./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-32_7a-drivers--scsi--osst.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f4b24e32 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-32_7a-drivers--scsi--osst.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 a3be286b709e69b0a57c5116077a4f1ba701b437b7bdc28c28b530a36c819e5e --- Real Ultimate output --- This is Ultimate 0.2.2-?-f4b24e3 [2022-07-14 01:36:48,930 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-14 01:36:48,931 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-14 01:36:48,951 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-14 01:36:48,952 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-14 01:36:48,953 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-14 01:36:48,953 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-14 01:36:48,955 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-14 01:36:48,972 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-14 01:36:48,972 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-14 01:36:48,973 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-14 01:36:48,974 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-14 01:36:48,974 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-14 01:36:48,975 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-14 01:36:48,975 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-14 01:36:48,976 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-14 01:36:48,977 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-14 01:36:48,977 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-14 01:36:48,979 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-14 01:36:48,980 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-14 01:36:48,981 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-14 01:36:48,982 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-14 01:36:48,982 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-14 01:36:48,984 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-14 01:36:48,984 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-14 01:36:48,986 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-14 01:36:48,989 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-14 01:36:48,989 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-14 01:36:48,990 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-14 01:36:48,990 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-14 01:36:48,991 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-14 01:36:48,992 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-14 01:36:48,993 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-14 01:36:48,994 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-14 01:36:48,994 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-14 01:36:48,995 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-14 01:36:48,996 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-14 01:36:48,996 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-14 01:36:48,997 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-14 01:36:48,997 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-14 01:36:48,997 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-14 01:36:48,998 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-14 01:36:49,000 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-14 01:36:49,019 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-14 01:36:49,021 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-14 01:36:49,021 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-14 01:36:49,021 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-14 01:36:49,022 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-14 01:36:49,022 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-14 01:36:49,022 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-14 01:36:49,022 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-14 01:36:49,022 INFO L138 SettingsManager]: * Use SBE=true [2022-07-14 01:36:49,023 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-14 01:36:49,023 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-14 01:36:49,023 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-14 01:36:49,024 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-14 01:36:49,024 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-14 01:36:49,024 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-14 01:36:49,024 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-14 01:36:49,024 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-14 01:36:49,024 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-14 01:36:49,025 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-14 01:36:49,025 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-14 01:36:49,026 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-14 01:36:49,026 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-14 01:36:49,026 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-14 01:36:49,026 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-14 01:36:49,026 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-14 01:36:49,027 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-14 01:36:49,027 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-14 01:36:49,027 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-14 01:36:49,027 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-14 01:36:49,027 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-14 01:36:49,027 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a3be286b709e69b0a57c5116077a4f1ba701b437b7bdc28c28b530a36c819e5e [2022-07-14 01:36:49,223 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-14 01:36:49,240 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-14 01:36:49,242 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-14 01:36:49,242 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-14 01:36:49,243 INFO L275 PluginConnector]: CDTParser initialized [2022-07-14 01:36:49,251 INFO L432 ainManager$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-32_7a-drivers--scsi--osst.ko-entry_point.cil.out.i [2022-07-14 01:36:49,300 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8b7ad0514/c1d0a6437f5642cb8642cb96a22ec52a/FLAG7beaabe75 [2022-07-14 01:36:49,937 INFO L306 CDTParser]: Found 1 translation units. [2022-07-14 01:36:49,937 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--scsi--osst.ko-entry_point.cil.out.i [2022-07-14 01:36:49,972 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8b7ad0514/c1d0a6437f5642cb8642cb96a22ec52a/FLAG7beaabe75 [2022-07-14 01:36:50,293 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8b7ad0514/c1d0a6437f5642cb8642cb96a22ec52a [2022-07-14 01:36:50,295 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-14 01:36:50,297 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-14 01:36:50,298 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-14 01:36:50,298 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-14 01:36:50,300 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-14 01:36:50,300 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 01:36:50" (1/1) ... [2022-07-14 01:36:50,301 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e362649 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 01:36:50, skipping insertion in model container [2022-07-14 01:36:50,301 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 01:36:50" (1/1) ... [2022-07-14 01:36:50,314 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-14 01:36:50,421 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-14 01:36:52,330 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-32_7a-drivers--scsi--osst.ko-entry_point.cil.out.i[358518,358531] [2022-07-14 01:36:52,522 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 01:36:52,552 INFO L203 MainTranslator]: Completed pre-run [2022-07-14 01:36:52,861 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-32_7a-drivers--scsi--osst.ko-entry_point.cil.out.i[358518,358531] [2022-07-14 01:36:52,870 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 01:36:52,956 INFO L208 MainTranslator]: Completed translation [2022-07-14 01:36:52,957 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 01:36:52 WrapperNode [2022-07-14 01:36:52,958 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-14 01:36:52,959 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-14 01:36:52,959 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-14 01:36:52,959 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-14 01:36:52,964 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 01:36:52" (1/1) ... [2022-07-14 01:36:53,056 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 01:36:52" (1/1) ... [2022-07-14 01:36:53,345 INFO L137 Inliner]: procedures = 319, calls = 4201, calls flagged for inlining = 120, calls inlined = 112, statements flattened = 9767 [2022-07-14 01:36:53,346 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-14 01:36:53,346 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-14 01:36:53,346 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-14 01:36:53,347 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-14 01:36:53,362 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 01:36:52" (1/1) ... [2022-07-14 01:36:53,363 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 01:36:52" (1/1) ... [2022-07-14 01:36:53,448 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 01:36:52" (1/1) ... [2022-07-14 01:36:53,457 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 01:36:52" (1/1) ... [2022-07-14 01:36:53,614 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 01:36:52" (1/1) ... [2022-07-14 01:36:53,768 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 01:36:52" (1/1) ... [2022-07-14 01:36:53,799 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 01:36:52" (1/1) ... [2022-07-14 01:36:53,844 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-14 01:36:53,846 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-14 01:36:53,846 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-14 01:36:53,846 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-14 01:36:53,847 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 01:36:52" (1/1) ... [2022-07-14 01:36:53,854 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-14 01:36:53,862 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 01:36:53,895 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) [2022-07-14 01:36:53,915 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 [2022-07-14 01:36:53,931 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2022-07-14 01:36:53,931 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2022-07-14 01:36:53,931 INFO L130 BoogieDeclarations]: Found specification of procedure osst_log_options [2022-07-14 01:36:53,932 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_log_options [2022-07-14 01:36:53,932 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2022-07-14 01:36:53,932 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2022-07-14 01:36:53,932 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-07-14 01:36:53,933 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-07-14 01:36:53,933 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2022-07-14 01:36:53,933 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-14 01:36:53,933 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-14 01:36:53,933 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-14 01:36:53,933 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-14 01:36:53,933 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-14 01:36:53,934 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-14 01:36:53,934 INFO L130 BoogieDeclarations]: Found specification of procedure osst_write_behind_check [2022-07-14 01:36:53,934 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_write_behind_check [2022-07-14 01:36:53,934 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2022-07-14 01:36:53,934 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2022-07-14 01:36:53,934 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_block_when_processing_errors [2022-07-14 01:36:53,934 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_block_when_processing_errors [2022-07-14 01:36:53,935 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-07-14 01:36:53,935 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-07-14 01:36:53,935 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_write_unlock [2022-07-14 01:36:53,935 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_write_unlock [2022-07-14 01:36:53,935 INFO L130 BoogieDeclarations]: Found specification of procedure osst_release_request [2022-07-14 01:36:53,935 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_release_request [2022-07-14 01:36:53,935 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-14 01:36:53,935 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-14 01:36:53,936 INFO L130 BoogieDeclarations]: Found specification of procedure osst_set_frame_position [2022-07-14 01:36:53,936 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_set_frame_position [2022-07-14 01:36:53,936 INFO L130 BoogieDeclarations]: Found specification of procedure osst_write_header [2022-07-14 01:36:53,936 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_write_header [2022-07-14 01:36:53,936 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock_of_osst_tape [2022-07-14 01:36:53,936 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock_of_osst_tape [2022-07-14 01:36:53,936 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_lock_of_osst_tape [2022-07-14 01:36:53,937 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_lock_of_osst_tape [2022-07-14 01:36:53,937 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-07-14 01:36:53,937 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-07-14 01:36:53,937 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-07-14 01:36:53,937 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-07-14 01:36:53,937 INFO L130 BoogieDeclarations]: Found specification of procedure device_create_file [2022-07-14 01:36:53,937 INFO L138 BoogieDeclarations]: Found implementation of procedure device_create_file [2022-07-14 01:36:53,938 INFO L130 BoogieDeclarations]: Found specification of procedure osst_read_frame [2022-07-14 01:36:53,938 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_read_frame [2022-07-14 01:36:53,938 INFO L130 BoogieDeclarations]: Found specification of procedure tape_name [2022-07-14 01:36:53,938 INFO L138 BoogieDeclarations]: Found implementation of procedure tape_name [2022-07-14 01:36:53,939 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_device_put [2022-07-14 01:36:53,939 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_device_put [2022-07-14 01:36:53,939 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-14 01:36:53,939 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-14 01:36:53,939 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-07-14 01:36:53,940 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-07-14 01:36:53,940 INFO L130 BoogieDeclarations]: Found specification of procedure osst_flush_write_buffer [2022-07-14 01:36:53,940 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_flush_write_buffer [2022-07-14 01:36:53,941 INFO L130 BoogieDeclarations]: Found specification of procedure osst_initiate_read [2022-07-14 01:36:53,941 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_initiate_read [2022-07-14 01:36:53,941 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2022-07-14 01:36:53,941 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2022-07-14 01:36:53,942 INFO L130 BoogieDeclarations]: Found specification of procedure osst_seek_logical_blk [2022-07-14 01:36:53,942 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_seek_logical_blk [2022-07-14 01:36:53,942 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_osst_int_mutex [2022-07-14 01:36:53,943 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_osst_int_mutex [2022-07-14 01:36:53,943 INFO L130 BoogieDeclarations]: Found specification of procedure osst_write_trailer [2022-07-14 01:36:53,943 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_write_trailer [2022-07-14 01:36:53,943 INFO L130 BoogieDeclarations]: Found specification of procedure osst_flush_drive_buffer [2022-07-14 01:36:53,943 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_flush_drive_buffer [2022-07-14 01:36:53,943 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-14 01:36:53,943 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_osst_int_mutex [2022-07-14 01:36:53,944 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_osst_int_mutex [2022-07-14 01:36:53,944 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-07-14 01:36:53,944 INFO L130 BoogieDeclarations]: Found specification of procedure osst_int_ioctl [2022-07-14 01:36:53,944 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_int_ioctl [2022-07-14 01:36:53,945 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_pages [2022-07-14 01:36:53,945 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_pages [2022-07-14 01:36:53,945 INFO L130 BoogieDeclarations]: Found specification of procedure do_door_lock [2022-07-14 01:36:53,945 INFO L138 BoogieDeclarations]: Found implementation of procedure do_door_lock [2022-07-14 01:36:53,945 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-14 01:36:53,945 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_chrdev_26 [2022-07-14 01:36:53,945 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_chrdev_26 [2022-07-14 01:36:53,946 INFO L130 BoogieDeclarations]: Found specification of procedure osst_copy_to_buffer [2022-07-14 01:36:53,946 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_copy_to_buffer [2022-07-14 01:36:53,946 INFO L130 BoogieDeclarations]: Found specification of procedure __osst_analyze_headers [2022-07-14 01:36:53,946 INFO L138 BoogieDeclarations]: Found implementation of procedure __osst_analyze_headers [2022-07-14 01:36:53,946 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-14 01:36:53,946 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-14 01:36:53,946 INFO L130 BoogieDeclarations]: Found specification of procedure signal_pending [2022-07-14 01:36:53,947 INFO L138 BoogieDeclarations]: Found implementation of procedure signal_pending [2022-07-14 01:36:53,947 INFO L130 BoogieDeclarations]: Found specification of procedure osst_get_logical_frame [2022-07-14 01:36:53,947 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_get_logical_frame [2022-07-14 01:36:53,947 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible [2022-07-14 01:36:53,948 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible [2022-07-14 01:36:53,948 INFO L130 BoogieDeclarations]: Found specification of procedure driver_unregister [2022-07-14 01:36:53,948 INFO L138 BoogieDeclarations]: Found implementation of procedure driver_unregister [2022-07-14 01:36:53,948 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-14 01:36:53,948 INFO L130 BoogieDeclarations]: Found specification of procedure osst_position_tape_and_confirm [2022-07-14 01:36:53,949 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_position_tape_and_confirm [2022-07-14 01:36:53,949 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-14 01:36:53,949 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2022-07-14 01:36:53,949 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2022-07-14 01:36:53,949 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-07-14 01:36:53,950 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-07-14 01:36:53,950 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-07-14 01:36:53,950 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-07-14 01:36:53,950 INFO L130 BoogieDeclarations]: Found specification of procedure osst_verify_frame [2022-07-14 01:36:53,950 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_verify_frame [2022-07-14 01:36:53,950 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2022-07-14 01:36:53,951 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2022-07-14 01:36:53,951 INFO L130 BoogieDeclarations]: Found specification of procedure osst_wait_ready [2022-07-14 01:36:53,951 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_wait_ready [2022-07-14 01:36:53,951 INFO L130 BoogieDeclarations]: Found specification of procedure osst_reset_header [2022-07-14 01:36:53,951 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_reset_header [2022-07-14 01:36:53,951 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-07-14 01:36:53,952 INFO L130 BoogieDeclarations]: Found specification of procedure osst_do_scsi [2022-07-14 01:36:53,952 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_do_scsi [2022-07-14 01:36:53,952 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2022-07-14 01:36:53,952 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2022-07-14 01:36:53,953 INFO L130 BoogieDeclarations]: Found specification of procedure sg_page [2022-07-14 01:36:53,953 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_page [2022-07-14 01:36:53,955 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-07-14 01:36:53,955 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-14 01:36:53,955 INFO L130 BoogieDeclarations]: Found specification of procedure osst_chk_result [2022-07-14 01:36:53,956 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_chk_result [2022-07-14 01:36:53,957 INFO L130 BoogieDeclarations]: Found specification of procedure osst_sysfs_add [2022-07-14 01:36:53,957 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_sysfs_add [2022-07-14 01:36:53,958 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-14 01:36:53,958 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-14 01:36:53,958 INFO L130 BoogieDeclarations]: Found specification of procedure osst_space_over_filemarks_backward [2022-07-14 01:36:53,963 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_space_over_filemarks_backward [2022-07-14 01:36:53,963 INFO L130 BoogieDeclarations]: Found specification of procedure osst_read_back_buffer_and_rewrite [2022-07-14 01:36:53,963 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_read_back_buffer_and_rewrite [2022-07-14 01:36:53,964 INFO L130 BoogieDeclarations]: Found specification of procedure cross_eof [2022-07-14 01:36:53,964 INFO L138 BoogieDeclarations]: Found implementation of procedure cross_eof [2022-07-14 01:36:53,964 INFO L130 BoogieDeclarations]: Found specification of procedure osst_sysfs_cleanup [2022-07-14 01:36:53,964 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_sysfs_cleanup [2022-07-14 01:36:53,964 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-14 01:36:53,964 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-14 01:36:53,964 INFO L130 BoogieDeclarations]: Found specification of procedure append_to_buffer [2022-07-14 01:36:53,964 INFO L138 BoogieDeclarations]: Found implementation of procedure append_to_buffer [2022-07-14 01:36:53,965 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2022-07-14 01:36:53,965 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2022-07-14 01:36:53,965 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-14 01:36:53,965 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2022-07-14 01:36:53,965 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2022-07-14 01:36:53,965 INFO L130 BoogieDeclarations]: Found specification of procedure osst_reposition_and_retry [2022-07-14 01:36:53,965 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_reposition_and_retry [2022-07-14 01:36:53,965 INFO L130 BoogieDeclarations]: Found specification of procedure osst_write_filemark [2022-07-14 01:36:53,966 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_write_filemark [2022-07-14 01:36:53,966 INFO L130 BoogieDeclarations]: Found specification of procedure osst_sysfs_destroy [2022-07-14 01:36:53,966 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_sysfs_destroy [2022-07-14 01:36:53,966 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-14 01:36:53,966 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-14 01:36:53,966 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-07-14 01:36:53,967 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-07-14 01:36:53,967 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout_interruptible [2022-07-14 01:36:53,967 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout_interruptible [2022-07-14 01:36:53,967 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-14 01:36:53,967 INFO L130 BoogieDeclarations]: Found specification of procedure vmalloc [2022-07-14 01:36:53,967 INFO L138 BoogieDeclarations]: Found implementation of procedure vmalloc [2022-07-14 01:36:53,967 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-07-14 01:36:53,967 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-07-14 01:36:53,967 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_write_lock [2022-07-14 01:36:53,968 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_write_lock [2022-07-14 01:36:53,968 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2022-07-14 01:36:53,968 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2022-07-14 01:36:53,968 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-14 01:36:53,968 INFO L130 BoogieDeclarations]: Found specification of procedure __osst_write_header [2022-07-14 01:36:53,968 INFO L138 BoogieDeclarations]: Found implementation of procedure __osst_write_header [2022-07-14 01:36:53,968 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-07-14 01:36:53,968 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-07-14 01:36:53,968 INFO L130 BoogieDeclarations]: Found specification of procedure osst_write [2022-07-14 01:36:53,968 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_write [2022-07-14 01:36:53,969 INFO L130 BoogieDeclarations]: Found specification of procedure osst_write_frame [2022-07-14 01:36:53,969 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_write_frame [2022-07-14 01:36:53,969 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion [2022-07-14 01:36:53,969 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion [2022-07-14 01:36:53,969 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-14 01:36:53,969 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-07-14 01:36:53,969 INFO L130 BoogieDeclarations]: Found specification of procedure osst_get_frame_position [2022-07-14 01:36:53,969 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_get_frame_position [2022-07-14 01:36:53,969 INFO L130 BoogieDeclarations]: Found specification of procedure os_scsi_tape_flush [2022-07-14 01:36:53,969 INFO L138 BoogieDeclarations]: Found implementation of procedure os_scsi_tape_flush [2022-07-14 01:36:53,970 INFO L130 BoogieDeclarations]: Found specification of procedure osst_flush_buffer [2022-07-14 01:36:53,970 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_flush_buffer [2022-07-14 01:36:53,970 INFO L130 BoogieDeclarations]: Found specification of procedure osst_copy_from_buffer [2022-07-14 01:36:53,970 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_copy_from_buffer [2022-07-14 01:36:53,970 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2022-07-14 01:36:53,970 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2022-07-14 01:36:53,970 INFO L130 BoogieDeclarations]: Found specification of procedure iminor [2022-07-14 01:36:53,970 INFO L138 BoogieDeclarations]: Found implementation of procedure iminor [2022-07-14 01:36:53,970 INFO L130 BoogieDeclarations]: Found specification of procedure normalize_buffer [2022-07-14 01:36:53,970 INFO L138 BoogieDeclarations]: Found implementation of procedure normalize_buffer [2022-07-14 01:36:53,971 INFO L130 BoogieDeclarations]: Found specification of procedure osst_init_aux [2022-07-14 01:36:53,971 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_init_aux [2022-07-14 01:36:53,971 INFO L130 BoogieDeclarations]: Found specification of procedure osst_write_error_recovery [2022-07-14 01:36:53,971 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_write_error_recovery [2022-07-14 01:36:53,971 INFO L130 BoogieDeclarations]: Found specification of procedure osst_write_eod [2022-07-14 01:36:53,971 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_write_eod [2022-07-14 01:36:53,971 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2022-07-14 01:36:53,971 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2022-07-14 01:36:53,971 INFO L130 BoogieDeclarations]: Found specification of procedure osst_space_over_filemarks_forward_slow [2022-07-14 01:36:53,972 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_space_over_filemarks_forward_slow [2022-07-14 01:36:53,972 INFO L130 BoogieDeclarations]: Found specification of procedure put_disk [2022-07-14 01:36:53,972 INFO L138 BoogieDeclarations]: Found implementation of procedure put_disk [2022-07-14 01:36:53,972 INFO L130 BoogieDeclarations]: Found specification of procedure sg_set_page [2022-07-14 01:36:53,972 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_set_page [2022-07-14 01:36:53,972 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-14 01:36:53,972 INFO L130 BoogieDeclarations]: Found specification of procedure osst_recover_wait_frame [2022-07-14 01:36:53,972 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_recover_wait_frame [2022-07-14 01:36:53,972 INFO L130 BoogieDeclarations]: Found specification of procedure osst_wait_frame [2022-07-14 01:36:53,972 INFO L138 BoogieDeclarations]: Found implementation of procedure osst_wait_frame [2022-07-14 01:36:53,973 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-14 01:36:53,973 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-14 01:36:53,973 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-07-14 01:36:53,973 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-07-14 01:36:54,968 INFO L234 CfgBuilder]: Building ICFG [2022-07-14 01:36:54,973 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-14 01:36:55,129 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-14 01:37:04,461 INFO L275 CfgBuilder]: Performing block encoding [2022-07-14 01:37:04,490 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-14 01:37:04,490 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-07-14 01:37:04,496 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 01:37:04 BoogieIcfgContainer [2022-07-14 01:37:04,496 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-14 01:37:04,498 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-14 01:37:04,498 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-14 01:37:04,501 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-14 01:37:04,501 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.07 01:36:50" (1/3) ... [2022-07-14 01:37:04,501 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d73d546 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 01:37:04, skipping insertion in model container [2022-07-14 01:37:04,502 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 01:36:52" (2/3) ... [2022-07-14 01:37:04,502 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d73d546 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 01:37:04, skipping insertion in model container [2022-07-14 01:37:04,502 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 01:37:04" (3/3) ... [2022-07-14 01:37:04,503 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--scsi--osst.ko-entry_point.cil.out.i [2022-07-14 01:37:04,514 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-14 01:37:04,514 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-14 01:37:04,688 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-14 01:37:04,693 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@5b769353, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@2b8c2250 [2022-07-14 01:37:04,693 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-14 01:37:04,703 INFO L276 IsEmpty]: Start isEmpty. Operand has 3241 states, 2504 states have (on average 1.4716453674121406) internal successors, (3685), 2542 states have internal predecessors, (3685), 638 states have call successors, (638), 98 states have call predecessors, (638), 97 states have return successors, (627), 624 states have call predecessors, (627), 627 states have call successors, (627) [2022-07-14 01:37:04,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 511 [2022-07-14 01:37:04,731 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 01:37:04,732 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 01:37:04,733 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 01:37:04,739 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 01:37:04,739 INFO L85 PathProgramCache]: Analyzing trace with hash -1312079035, now seen corresponding path program 1 times [2022-07-14 01:37:04,745 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 01:37:04,747 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1020225974] [2022-07-14 01:37:04,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 01:37:04,752 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 01:37:05,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:37:05,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 01:37:05,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:37:05,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:37:05,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:37:05,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:37:05,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:37:05,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-14 01:37:05,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:37:05,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:37:05,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:37:05,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:37:05,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:37:05,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-14 01:37:05,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:37:05,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:37:05,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:37:05,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:37:05,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:37:05,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-14 01:37:05,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:37:05,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:37:05,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:37:05,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:37:05,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:37:05,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-14 01:37:05,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:37:05,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:37:05,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:37:05,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:37:05,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:37:05,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-14 01:37:05,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:37:05,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:37:05,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:37:05,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:37:05,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:37:05,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-14 01:37:05,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:37:05,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:37:05,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:37:05,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:37:05,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:37:05,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-14 01:37:05,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:37:05,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:37:05,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:37:05,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:37:05,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:37:05,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-14 01:37:05,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:37:05,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:37:05,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:37:05,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:37:05,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:37:05,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-14 01:37:05,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:37:05,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:37:05,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:37:05,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:37:05,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:37:05,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-14 01:37:05,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:37:05,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:37:05,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:37:05,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:37:05,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:37:05,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-07-14 01:37:05,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:37:05,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:37:05,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:37:05,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:37:05,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:37:05,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2022-07-14 01:37:05,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:37:05,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:37:05,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:37:05,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:37:05,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:37:05,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2022-07-14 01:37:05,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:37:05,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:37:05,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:37:05,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:37:05,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:37:05,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2022-07-14 01:37:05,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:37:05,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:37:05,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:37:05,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:37:05,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:37:05,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2022-07-14 01:37:05,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:37:05,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:37:05,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:37:05,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:37:05,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:37:05,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2022-07-14 01:37:05,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:37:05,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:37:05,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:37:05,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:37:05,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:37:05,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2022-07-14 01:37:05,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:37:05,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:37:05,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:37:05,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:37:05,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:37:05,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2022-07-14 01:37:05,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:37:05,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:37:05,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:37:05,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:37:05,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:37:05,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2022-07-14 01:37:05,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:37:05,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:37:05,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:37:05,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:37:05,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:37:05,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-07-14 01:37:05,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:37:05,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:37:05,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:37:05,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:37:05,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:37:05,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2022-07-14 01:37:05,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:37:05,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:37:05,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:37:05,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:37:05,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:37:05,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 354 [2022-07-14 01:37:05,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:37:05,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:37:05,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:37:05,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:37:05,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:37:05,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 370 [2022-07-14 01:37:05,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:37:05,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:37:05,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:37:05,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:37:05,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:37:05,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 386 [2022-07-14 01:37:05,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:37:05,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:37:05,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:37:05,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:37:05,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:37:05,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 403 [2022-07-14 01:37:05,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:37:05,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:37:05,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:37:05,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 414 [2022-07-14 01:37:05,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:37:05,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:37:05,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:37:05,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2022-07-14 01:37:05,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:37:05,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:37:05,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:37:05,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 436 [2022-07-14 01:37:05,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:37:05,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:37:05,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:37:05,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 447 [2022-07-14 01:37:05,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:37:05,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:37:05,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:37:05,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 458 [2022-07-14 01:37:05,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:37:05,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:37:05,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:37:05,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 469 [2022-07-14 01:37:05,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:37:05,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:37:05,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:37:05,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 480 [2022-07-14 01:37:05,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:37:05,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:37:05,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:37:05,937 INFO L134 CoverageAnalysis]: Checked inductivity of 4452 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4452 trivial. 0 not checked. [2022-07-14 01:37:05,938 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 01:37:05,938 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1020225974] [2022-07-14 01:37:05,939 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1020225974] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 01:37:05,939 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 01:37:05,939 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-14 01:37:05,941 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2141261778] [2022-07-14 01:37:05,941 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 01:37:05,946 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-14 01:37:05,947 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 01:37:05,976 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-14 01:37:05,977 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-14 01:37:05,985 INFO L87 Difference]: Start difference. First operand has 3241 states, 2504 states have (on average 1.4716453674121406) internal successors, (3685), 2542 states have internal predecessors, (3685), 638 states have call successors, (638), 98 states have call predecessors, (638), 97 states have return successors, (627), 624 states have call predecessors, (627), 627 states have call successors, (627) Second operand has 5 states, 5 states have (on average 13.6) internal successors, (68), 2 states have internal predecessors, (68), 2 states have call successors, (38), 5 states have call predecessors, (38), 2 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2022-07-14 01:37:10,741 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 01:37:12,773 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 01:37:17,863 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-07-14 01:37:25,685 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 01:37:27,704 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 01:37:27,976 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 01:37:27,986 INFO L93 Difference]: Finished difference Result 6971 states and 11174 transitions. [2022-07-14 01:37:27,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-14 01:37:27,988 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 2 states have internal predecessors, (68), 2 states have call successors, (38), 5 states have call predecessors, (38), 2 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) Word has length 510 [2022-07-14 01:37:27,989 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 01:37:28,037 INFO L225 Difference]: With dead ends: 6971 [2022-07-14 01:37:28,038 INFO L226 Difference]: Without dead ends: 3712 [2022-07-14 01:37:28,063 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 236 GetRequests, 232 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2022-07-14 01:37:28,065 INFO L413 NwaCegarLoop]: 4673 mSDtfsCounter, 1768 mSDsluCounter, 4533 mSDsCounter, 0 mSdLazyCounter, 3778 mSolverCounterSat, 1739 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1797 SdHoareTripleChecker+Valid, 9206 SdHoareTripleChecker+Invalid, 5522 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1739 IncrementalHoareTripleChecker+Valid, 3778 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21.5s IncrementalHoareTripleChecker+Time [2022-07-14 01:37:28,066 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1797 Valid, 9206 Invalid, 5522 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1739 Valid, 3778 Invalid, 5 Unknown, 0 Unchecked, 21.5s Time] [2022-07-14 01:37:28,084 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3712 states. [2022-07-14 01:37:28,237 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3712 to 3218. [2022-07-14 01:37:28,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3218 states, 2494 states have (on average 1.4558941459502808) internal successors, (3631), 2519 states have internal predecessors, (3631), 627 states have call successors, (627), 97 states have call predecessors, (627), 96 states have return successors, (618), 615 states have call predecessors, (618), 618 states have call successors, (618) [2022-07-14 01:37:28,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3218 states to 3218 states and 4876 transitions. [2022-07-14 01:37:28,345 INFO L78 Accepts]: Start accepts. Automaton has 3218 states and 4876 transitions. Word has length 510 [2022-07-14 01:37:28,346 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 01:37:28,346 INFO L495 AbstractCegarLoop]: Abstraction has 3218 states and 4876 transitions. [2022-07-14 01:37:28,347 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 2 states have internal predecessors, (68), 2 states have call successors, (38), 5 states have call predecessors, (38), 2 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2022-07-14 01:37:28,347 INFO L276 IsEmpty]: Start isEmpty. Operand 3218 states and 4876 transitions. [2022-07-14 01:37:28,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 511 [2022-07-14 01:37:28,357 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 01:37:28,357 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 01:37:28,358 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-14 01:37:28,358 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 01:37:28,360 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 01:37:28,360 INFO L85 PathProgramCache]: Analyzing trace with hash 753718007, now seen corresponding path program 1 times [2022-07-14 01:37:28,361 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 01:37:28,361 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [565643762] [2022-07-14 01:37:28,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 01:37:28,361 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 01:37:28,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:37:28,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 01:37:28,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:37:28,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:37:28,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:37:28,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:37:28,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:37:28,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-14 01:37:28,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:37:28,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:37:28,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:37:28,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:37:28,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:37:28,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-14 01:37:28,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:37:28,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:37:28,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:37:28,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:37:28,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:37:28,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-14 01:37:28,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:37:28,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:37:28,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:37:28,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:37:28,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:37:28,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-14 01:37:28,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:37:28,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:37:28,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:37:28,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:37:28,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:37:28,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-14 01:37:28,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:37:28,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:37:28,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:37:28,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:37:28,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:37:28,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-14 01:37:28,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:37:28,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:37:28,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:37:28,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:37:28,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:37:28,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-14 01:37:28,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:37:28,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:37:28,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:37:28,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:37:28,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:37:28,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-14 01:37:28,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:37:28,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:37:28,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:37:28,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:37:28,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:37:28,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-14 01:37:28,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:37:28,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:37:28,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:37:28,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:37:28,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:37:28,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-14 01:37:28,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:37:28,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:37:28,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:37:28,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:37:28,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:37:28,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-07-14 01:37:28,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:37:28,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:37:28,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:37:28,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:37:28,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:37:28,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2022-07-14 01:37:28,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:37:28,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:37:28,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:37:28,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:37:28,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:37:28,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2022-07-14 01:37:28,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:37:28,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:37:28,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:37:28,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:37:28,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:37:28,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2022-07-14 01:37:28,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:37:28,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:37:28,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:37:28,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:37:28,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:37:28,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2022-07-14 01:37:28,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:37:28,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:37:28,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:37:28,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:37:28,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:37:28,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2022-07-14 01:37:28,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:37:28,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:37:28,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:37:28,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:37:28,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:37:28,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2022-07-14 01:37:28,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:37:28,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:37:28,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:37:28,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:37:28,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:37:28,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2022-07-14 01:37:28,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:37:28,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:37:28,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:37:28,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:37:28,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:37:28,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2022-07-14 01:37:28,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:37:28,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:37:28,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:37:28,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:37:28,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:37:28,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-07-14 01:37:28,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:37:28,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:37:28,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:37:28,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:37:28,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:37:28,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2022-07-14 01:37:28,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:37:29,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:37:29,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:37:29,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:37:29,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:37:29,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 354 [2022-07-14 01:37:29,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:37:29,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:37:29,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:37:29,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:37:29,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:37:29,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 370 [2022-07-14 01:37:29,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:37:29,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:37:29,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:37:29,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:37:29,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:37:29,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 386 [2022-07-14 01:37:29,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:37:29,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:37:29,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:37:29,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:37:29,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:37:29,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 403 [2022-07-14 01:37:29,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:37:29,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:37:29,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:37:29,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 414 [2022-07-14 01:37:29,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:37:29,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:37:29,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:37:29,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2022-07-14 01:37:29,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:37:29,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:37:29,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:37:29,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 436 [2022-07-14 01:37:29,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:37:29,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:37:29,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:37:29,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 447 [2022-07-14 01:37:29,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:37:29,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:37:29,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:37:29,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 458 [2022-07-14 01:37:29,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:37:29,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:37:29,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:37:29,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 469 [2022-07-14 01:37:29,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:37:29,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:37:29,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:37:29,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 480 [2022-07-14 01:37:29,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:37:29,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:37:29,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:37:29,153 INFO L134 CoverageAnalysis]: Checked inductivity of 4452 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4452 trivial. 0 not checked. [2022-07-14 01:37:29,154 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 01:37:29,154 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [565643762] [2022-07-14 01:37:29,154 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [565643762] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 01:37:29,154 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 01:37:29,154 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-14 01:37:29,155 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [285364822] [2022-07-14 01:37:29,155 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 01:37:29,157 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-14 01:37:29,157 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 01:37:29,157 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-14 01:37:29,157 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-14 01:37:29,158 INFO L87 Difference]: Start difference. First operand 3218 states and 4876 transitions. Second operand has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 3 states have internal predecessors, (68), 2 states have call successors, (38), 5 states have call predecessors, (38), 1 states have return successors, (36), 1 states have call predecessors, (36), 1 states have call successors, (36) [2022-07-14 01:37:31,901 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 01:37:38,333 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-07-14 01:37:43,091 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.50s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 01:37:43,275 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 01:37:43,275 INFO L93 Difference]: Finished difference Result 7278 states and 11203 transitions. [2022-07-14 01:37:43,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-14 01:37:43,276 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 3 states have internal predecessors, (68), 2 states have call successors, (38), 5 states have call predecessors, (38), 1 states have return successors, (36), 1 states have call predecessors, (36), 1 states have call successors, (36) Word has length 510 [2022-07-14 01:37:43,278 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 01:37:43,310 INFO L225 Difference]: With dead ends: 7278 [2022-07-14 01:37:43,310 INFO L226 Difference]: Without dead ends: 4134 [2022-07-14 01:37:43,327 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 191 GetRequests, 184 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2022-07-14 01:37:43,329 INFO L413 NwaCegarLoop]: 4674 mSDtfsCounter, 3190 mSDsluCounter, 6362 mSDsCounter, 0 mSdLazyCounter, 3278 mSolverCounterSat, 2787 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3276 SdHoareTripleChecker+Valid, 11036 SdHoareTripleChecker+Invalid, 6067 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2787 IncrementalHoareTripleChecker+Valid, 3278 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.6s IncrementalHoareTripleChecker+Time [2022-07-14 01:37:43,329 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3276 Valid, 11036 Invalid, 6067 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2787 Valid, 3278 Invalid, 2 Unknown, 0 Unchecked, 13.6s Time] [2022-07-14 01:37:43,335 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4134 states. [2022-07-14 01:37:43,422 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4134 to 3600. [2022-07-14 01:37:43,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3600 states, 2790 states have (on average 1.4480286738351253) internal successors, (4040), 2818 states have internal predecessors, (4040), 688 states have call successors, (688), 122 states have call predecessors, (688), 121 states have return successors, (679), 674 states have call predecessors, (679), 679 states have call successors, (679) [2022-07-14 01:37:43,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3600 states to 3600 states and 5407 transitions. [2022-07-14 01:37:43,442 INFO L78 Accepts]: Start accepts. Automaton has 3600 states and 5407 transitions. Word has length 510 [2022-07-14 01:37:43,444 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 01:37:43,445 INFO L495 AbstractCegarLoop]: Abstraction has 3600 states and 5407 transitions. [2022-07-14 01:37:43,445 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 3 states have internal predecessors, (68), 2 states have call successors, (38), 5 states have call predecessors, (38), 1 states have return successors, (36), 1 states have call predecessors, (36), 1 states have call successors, (36) [2022-07-14 01:37:43,445 INFO L276 IsEmpty]: Start isEmpty. Operand 3600 states and 5407 transitions. [2022-07-14 01:37:43,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 529 [2022-07-14 01:37:43,453 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 01:37:43,453 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 01:37:43,454 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-14 01:37:43,454 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 01:37:43,454 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 01:37:43,455 INFO L85 PathProgramCache]: Analyzing trace with hash -336197201, now seen corresponding path program 1 times [2022-07-14 01:37:43,455 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 01:37:43,455 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [509925142] [2022-07-14 01:37:43,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 01:37:43,455 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 01:37:43,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:37:43,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 01:37:43,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:37:43,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:37:43,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:37:43,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:37:43,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:37:43,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-14 01:37:43,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:37:43,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:37:43,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:37:43,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:37:43,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:37:43,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-14 01:37:43,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:37:43,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:37:43,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:37:43,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:37:43,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:37:43,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-14 01:37:43,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:37:43,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:37:43,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:37:43,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:37:43,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:37:43,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-14 01:37:43,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:37:43,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:37:43,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:37:43,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:37:43,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:37:43,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-14 01:37:43,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:37:43,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:37:43,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:37:43,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:37:43,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:37:43,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-14 01:37:43,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:37:43,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:37:43,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:37:43,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:37:43,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:37:43,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-14 01:37:43,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:37:43,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:37:43,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:37:43,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:37:43,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:37:43,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-14 01:37:43,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:37:43,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:37:43,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:37:43,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:37:43,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:37:43,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-14 01:37:43,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:37:43,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:37:43,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:37:43,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:37:43,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:37:43,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-14 01:37:43,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:37:43,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:37:43,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:37:43,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:37:43,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:37:43,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-07-14 01:37:43,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:37:43,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:37:43,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:37:43,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:37:43,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:37:43,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2022-07-14 01:37:43,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:37:43,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:37:43,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:37:43,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:37:43,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:37:43,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2022-07-14 01:37:43,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:37:43,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:37:43,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:37:43,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:37:43,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:37:44,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2022-07-14 01:37:44,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:37:44,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:37:44,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:37:44,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:37:44,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:37:44,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2022-07-14 01:37:44,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:37:44,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:37:44,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:37:44,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:37:44,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:37:44,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2022-07-14 01:37:44,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:37:44,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:37:44,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:37:44,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:37:44,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:37:44,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2022-07-14 01:37:44,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:37:44,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:37:44,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:37:44,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:37:44,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:37:44,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2022-07-14 01:37:44,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:37:44,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:37:44,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:37:44,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:37:44,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:37:44,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2022-07-14 01:37:44,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:37:44,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:37:44,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:37:44,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:37:44,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:37:44,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-07-14 01:37:44,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:37:44,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:37:44,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:37:44,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:37:44,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:37:44,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2022-07-14 01:37:44,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:37:44,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:37:44,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:37:44,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:37:44,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:37:44,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 354 [2022-07-14 01:37:44,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:37:44,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:37:44,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:37:44,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:37:44,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:37:44,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 370 [2022-07-14 01:37:44,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:37:44,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:37:44,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:37:44,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:37:44,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:37:44,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 386 [2022-07-14 01:37:44,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:37:44,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:37:44,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:37:44,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:37:44,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:37:44,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 403 [2022-07-14 01:37:44,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:37:44,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:37:44,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:37:44,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 414 [2022-07-14 01:37:44,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:37:44,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:37:44,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:37:44,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2022-07-14 01:37:44,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:37:44,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:37:44,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:37:44,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 436 [2022-07-14 01:37:44,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:37:44,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:37:44,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:37:44,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 447 [2022-07-14 01:37:44,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:37:44,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:37:44,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:37:44,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 458 [2022-07-14 01:37:44,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:37:44,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:37:44,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:37:44,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 469 [2022-07-14 01:37:44,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:37:44,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:37:44,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:37:44,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 480 [2022-07-14 01:37:44,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:37:44,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:37:44,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:37:44,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 506 [2022-07-14 01:37:44,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:37:44,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 510 [2022-07-14 01:37:44,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:37:44,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 516 [2022-07-14 01:37:44,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:37:44,291 INFO L134 CoverageAnalysis]: Checked inductivity of 4452 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4452 trivial. 0 not checked. [2022-07-14 01:37:44,292 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 01:37:44,292 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [509925142] [2022-07-14 01:37:44,292 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [509925142] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 01:37:44,292 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 01:37:44,292 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-14 01:37:44,292 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [707445293] [2022-07-14 01:37:44,293 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 01:37:44,294 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-14 01:37:44,294 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 01:37:44,294 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-14 01:37:44,295 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-07-14 01:37:44,295 INFO L87 Difference]: Start difference. First operand 3600 states and 5407 transitions. Second operand has 7 states, 7 states have (on average 11.571428571428571) internal successors, (81), 3 states have internal predecessors, (81), 2 states have call successors, (40), 6 states have call predecessors, (40), 1 states have return successors, (39), 2 states have call predecessors, (39), 2 states have call successors, (39) [2022-07-14 01:37:48,323 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 01:37:50,372 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 01:37:52,395 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 01:37:59,651 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 01:38:06,065 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-07-14 01:38:08,070 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-07-14 01:38:10,073 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-07-14 01:38:23,766 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 01:38:25,792 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 01:38:27,807 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 01:38:28,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 01:38:28,449 INFO L93 Difference]: Finished difference Result 11551 states and 17823 transitions. [2022-07-14 01:38:28,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-07-14 01:38:28,450 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.571428571428571) internal successors, (81), 3 states have internal predecessors, (81), 2 states have call successors, (40), 6 states have call predecessors, (40), 1 states have return successors, (39), 2 states have call predecessors, (39), 2 states have call successors, (39) Word has length 528 [2022-07-14 01:38:28,456 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 01:38:28,506 INFO L225 Difference]: With dead ends: 11551 [2022-07-14 01:38:28,507 INFO L226 Difference]: Without dead ends: 8029 [2022-07-14 01:38:28,526 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 203 GetRequests, 191 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=119, Unknown=0, NotChecked=0, Total=182 [2022-07-14 01:38:28,527 INFO L413 NwaCegarLoop]: 4481 mSDtfsCounter, 12040 mSDsluCounter, 5767 mSDsCounter, 0 mSdLazyCounter, 15627 mSolverCounterSat, 6802 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 40.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12708 SdHoareTripleChecker+Valid, 10248 SdHoareTripleChecker+Invalid, 22438 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 6802 IncrementalHoareTripleChecker+Valid, 15627 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 43.5s IncrementalHoareTripleChecker+Time [2022-07-14 01:38:28,527 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12708 Valid, 10248 Invalid, 22438 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [6802 Valid, 15627 Invalid, 9 Unknown, 0 Unchecked, 43.5s Time] [2022-07-14 01:38:28,535 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8029 states. [2022-07-14 01:38:28,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8029 to 6993. [2022-07-14 01:38:28,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6993 states, 5451 states have (on average 1.4523940561364888) internal successors, (7917), 5494 states have internal predecessors, (7917), 1306 states have call successors, (1306), 236 states have call predecessors, (1306), 235 states have return successors, (1297), 1289 states have call predecessors, (1297), 1297 states have call successors, (1297) [2022-07-14 01:38:28,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6993 states to 6993 states and 10520 transitions. [2022-07-14 01:38:28,797 INFO L78 Accepts]: Start accepts. Automaton has 6993 states and 10520 transitions. Word has length 528 [2022-07-14 01:38:28,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 01:38:28,798 INFO L495 AbstractCegarLoop]: Abstraction has 6993 states and 10520 transitions. [2022-07-14 01:38:28,798 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.571428571428571) internal successors, (81), 3 states have internal predecessors, (81), 2 states have call successors, (40), 6 states have call predecessors, (40), 1 states have return successors, (39), 2 states have call predecessors, (39), 2 states have call successors, (39) [2022-07-14 01:38:28,798 INFO L276 IsEmpty]: Start isEmpty. Operand 6993 states and 10520 transitions. [2022-07-14 01:38:28,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 537 [2022-07-14 01:38:28,804 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 01:38:28,805 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 01:38:28,805 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-14 01:38:28,805 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 01:38:28,805 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 01:38:28,805 INFO L85 PathProgramCache]: Analyzing trace with hash -1028385071, now seen corresponding path program 1 times [2022-07-14 01:38:28,806 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 01:38:28,806 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1753711279] [2022-07-14 01:38:28,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 01:38:28,806 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 01:38:28,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:38:29,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 01:38:29,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:38:29,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:38:29,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:38:29,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:38:29,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:38:29,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-14 01:38:29,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:38:29,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:38:29,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:38:29,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:38:29,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:38:29,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-14 01:38:29,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:38:29,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:38:29,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:38:29,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:38:29,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:38:29,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-14 01:38:29,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:38:29,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:38:29,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:38:29,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:38:29,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:38:29,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-14 01:38:29,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:38:29,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:38:29,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:38:29,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:38:29,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:38:29,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-14 01:38:29,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:38:29,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:38:29,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:38:29,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:38:29,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:38:29,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-14 01:38:29,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:38:29,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:38:29,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:38:29,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:38:29,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:38:29,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-14 01:38:29,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:38:29,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:38:29,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:38:29,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:38:29,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:38:29,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-14 01:38:29,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:38:29,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:38:29,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:38:29,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:38:29,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:38:29,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-14 01:38:29,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:38:29,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:38:29,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:38:29,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:38:29,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:38:29,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-14 01:38:29,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:38:29,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:38:29,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:38:29,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:38:29,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:38:29,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-07-14 01:38:29,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:38:29,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:38:29,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:38:29,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:38:29,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:38:29,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2022-07-14 01:38:29,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:38:29,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:38:29,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:38:29,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:38:29,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:38:29,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2022-07-14 01:38:29,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:38:29,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:38:29,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:38:29,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:38:29,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:38:29,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2022-07-14 01:38:29,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:38:29,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:38:29,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:38:29,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:38:29,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:38:29,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2022-07-14 01:38:29,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:38:29,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:38:29,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:38:29,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:38:29,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:38:29,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2022-07-14 01:38:29,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:38:29,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:38:29,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:38:29,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:38:29,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:38:29,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2022-07-14 01:38:29,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:38:29,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:38:29,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:38:29,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:38:29,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:38:29,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2022-07-14 01:38:29,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:38:29,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:38:29,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:38:29,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:38:29,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:38:29,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2022-07-14 01:38:29,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:38:29,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:38:29,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:38:29,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:38:29,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:38:29,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-07-14 01:38:29,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:38:29,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:38:29,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:38:29,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:38:29,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:38:29,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2022-07-14 01:38:29,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:38:29,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:38:29,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:38:29,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:38:29,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:38:29,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 354 [2022-07-14 01:38:29,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:38:29,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:38:29,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:38:29,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:38:29,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:38:29,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 370 [2022-07-14 01:38:29,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:38:29,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:38:29,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:38:29,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:38:29,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:38:29,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 386 [2022-07-14 01:38:29,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:38:29,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:38:29,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:38:29,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:38:29,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:38:29,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 403 [2022-07-14 01:38:29,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:38:29,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:38:29,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:38:29,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 414 [2022-07-14 01:38:29,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:38:29,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:38:29,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:38:29,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2022-07-14 01:38:29,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:38:29,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:38:29,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:38:29,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 436 [2022-07-14 01:38:29,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:38:29,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:38:29,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:38:29,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 447 [2022-07-14 01:38:29,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:38:29,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:38:29,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:38:29,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 458 [2022-07-14 01:38:29,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:38:29,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:38:29,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:38:29,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 469 [2022-07-14 01:38:29,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:38:29,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:38:29,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:38:29,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 480 [2022-07-14 01:38:29,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:38:29,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:38:29,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:38:29,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 510 [2022-07-14 01:38:29,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:38:29,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 517 [2022-07-14 01:38:29,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:38:29,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:38:29,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:38:29,475 INFO L134 CoverageAnalysis]: Checked inductivity of 4452 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4452 trivial. 0 not checked. [2022-07-14 01:38:29,475 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 01:38:29,475 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1753711279] [2022-07-14 01:38:29,475 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1753711279] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 01:38:29,475 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 01:38:29,476 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-14 01:38:29,476 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1288870807] [2022-07-14 01:38:29,476 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 01:38:29,477 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-14 01:38:29,477 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 01:38:29,477 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-14 01:38:29,478 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-07-14 01:38:29,483 INFO L87 Difference]: Start difference. First operand 6993 states and 10520 transitions. Second operand has 7 states, 7 states have (on average 12.714285714285714) internal successors, (89), 3 states have internal predecessors, (89), 3 states have call successors, (40), 6 states have call predecessors, (40), 1 states have return successors, (39), 3 states have call predecessors, (39), 3 states have call successors, (39) [2022-07-14 01:38:32,850 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 01:38:38,812 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-07-14 01:38:44,394 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 01:38:44,631 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 01:38:44,632 INFO L93 Difference]: Finished difference Result 15138 states and 23317 transitions. [2022-07-14 01:38:44,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-14 01:38:44,633 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.714285714285714) internal successors, (89), 3 states have internal predecessors, (89), 3 states have call successors, (40), 6 states have call predecessors, (40), 1 states have return successors, (39), 3 states have call predecessors, (39), 3 states have call successors, (39) Word has length 536 [2022-07-14 01:38:44,633 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 01:38:44,688 INFO L225 Difference]: With dead ends: 15138 [2022-07-14 01:38:44,689 INFO L226 Difference]: Without dead ends: 8223 [2022-07-14 01:38:44,718 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 196 GetRequests, 188 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2022-07-14 01:38:44,719 INFO L413 NwaCegarLoop]: 4570 mSDtfsCounter, 7333 mSDsluCounter, 5464 mSDsCounter, 0 mSdLazyCounter, 3102 mSolverCounterSat, 3226 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7816 SdHoareTripleChecker+Valid, 10034 SdHoareTripleChecker+Invalid, 6331 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3226 IncrementalHoareTripleChecker+Valid, 3102 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.7s IncrementalHoareTripleChecker+Time [2022-07-14 01:38:44,719 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7816 Valid, 10034 Invalid, 6331 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3226 Valid, 3102 Invalid, 3 Unknown, 0 Unchecked, 14.7s Time] [2022-07-14 01:38:44,729 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8223 states. [2022-07-14 01:38:44,936 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8223 to 6993. [2022-07-14 01:38:44,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6993 states, 5451 states have (on average 1.4520271509814713) internal successors, (7915), 5494 states have internal predecessors, (7915), 1306 states have call successors, (1306), 236 states have call predecessors, (1306), 235 states have return successors, (1297), 1289 states have call predecessors, (1297), 1297 states have call successors, (1297) [2022-07-14 01:38:44,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6993 states to 6993 states and 10518 transitions. [2022-07-14 01:38:44,983 INFO L78 Accepts]: Start accepts. Automaton has 6993 states and 10518 transitions. Word has length 536 [2022-07-14 01:38:44,984 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 01:38:44,984 INFO L495 AbstractCegarLoop]: Abstraction has 6993 states and 10518 transitions. [2022-07-14 01:38:44,985 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.714285714285714) internal successors, (89), 3 states have internal predecessors, (89), 3 states have call successors, (40), 6 states have call predecessors, (40), 1 states have return successors, (39), 3 states have call predecessors, (39), 3 states have call successors, (39) [2022-07-14 01:38:44,985 INFO L276 IsEmpty]: Start isEmpty. Operand 6993 states and 10518 transitions. [2022-07-14 01:38:44,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 537 [2022-07-14 01:38:44,988 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 01:38:44,989 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 01:38:44,989 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-14 01:38:44,989 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 01:38:44,990 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 01:38:44,990 INFO L85 PathProgramCache]: Analyzing trace with hash -326785197, now seen corresponding path program 1 times [2022-07-14 01:38:44,990 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 01:38:44,990 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [166949325] [2022-07-14 01:38:44,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 01:38:44,990 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 01:38:45,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:38:45,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 01:38:45,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:38:45,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:38:45,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:38:45,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:38:45,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:38:45,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-14 01:38:45,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:38:45,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:38:45,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:38:45,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:38:45,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:38:45,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-14 01:38:45,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:38:45,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:38:45,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:38:45,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:38:45,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:38:45,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-14 01:38:45,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:38:45,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:38:45,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:38:45,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:38:45,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:38:45,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-14 01:38:45,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:38:45,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:38:45,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:38:45,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:38:45,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:38:45,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-14 01:38:45,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:38:45,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:38:45,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:38:45,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:38:45,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:38:45,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-14 01:38:45,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:38:45,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:38:45,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:38:45,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:38:45,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:38:45,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-14 01:38:45,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:38:45,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:38:45,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:38:45,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:38:45,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:38:45,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-14 01:38:45,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:38:45,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:38:45,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:38:45,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:38:45,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:38:45,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-14 01:38:45,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:38:45,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:38:45,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:38:45,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:38:45,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:38:45,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-14 01:38:45,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:38:45,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:38:45,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:38:45,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:38:45,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:38:45,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-07-14 01:38:45,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:38:45,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:38:45,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:38:45,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:38:45,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:38:45,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2022-07-14 01:38:45,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:38:45,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:38:45,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:38:45,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:38:45,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:38:45,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2022-07-14 01:38:45,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:38:45,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:38:45,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:38:45,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:38:45,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:38:45,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2022-07-14 01:38:45,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:38:45,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:38:45,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:38:45,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:38:45,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:38:45,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2022-07-14 01:38:45,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:38:45,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:38:45,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:38:45,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:38:45,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:38:45,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2022-07-14 01:38:45,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:38:45,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:38:45,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:38:45,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:38:45,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:38:45,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2022-07-14 01:38:45,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:38:45,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:38:45,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:38:45,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:38:45,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:38:45,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2022-07-14 01:38:45,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:38:45,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:38:45,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:38:45,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:38:45,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:38:45,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2022-07-14 01:38:45,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:38:45,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:38:45,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:38:45,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:38:45,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:38:45,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-07-14 01:38:45,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:38:45,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:38:45,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:38:45,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:38:45,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:38:45,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2022-07-14 01:38:45,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:38:45,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:38:45,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:38:45,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:38:45,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:38:45,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 354 [2022-07-14 01:38:45,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:38:45,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:38:45,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:38:45,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:38:45,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:38:45,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 370 [2022-07-14 01:38:45,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:38:45,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:38:45,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:38:45,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:38:45,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:38:45,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 386 [2022-07-14 01:38:45,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:38:45,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:38:45,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:38:45,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:38:45,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:38:45,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 403 [2022-07-14 01:38:45,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:38:45,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:38:45,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:38:45,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 414 [2022-07-14 01:38:45,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:38:45,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:38:45,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:38:45,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2022-07-14 01:38:45,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:38:45,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:38:45,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:38:45,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 436 [2022-07-14 01:38:45,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:38:45,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:38:45,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:38:45,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 447 [2022-07-14 01:38:45,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:38:45,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:38:45,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:38:45,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 458 [2022-07-14 01:38:45,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:38:45,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:38:45,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:38:45,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 469 [2022-07-14 01:38:45,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:38:45,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:38:45,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:38:45,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 480 [2022-07-14 01:38:45,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:38:45,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:38:45,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:38:45,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 510 [2022-07-14 01:38:45,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:38:45,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 517 [2022-07-14 01:38:45,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:38:45,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:38:45,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:38:45,734 INFO L134 CoverageAnalysis]: Checked inductivity of 4452 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4452 trivial. 0 not checked. [2022-07-14 01:38:45,734 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 01:38:45,734 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [166949325] [2022-07-14 01:38:45,735 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [166949325] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 01:38:45,735 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 01:38:45,735 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-14 01:38:45,735 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [164499856] [2022-07-14 01:38:45,735 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 01:38:45,736 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-14 01:38:45,736 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 01:38:45,736 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-14 01:38:45,736 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-07-14 01:38:45,736 INFO L87 Difference]: Start difference. First operand 6993 states and 10518 transitions. Second operand has 7 states, 7 states have (on average 12.714285714285714) internal successors, (89), 3 states have internal predecessors, (89), 3 states have call successors, (40), 6 states have call predecessors, (40), 1 states have return successors, (39), 3 states have call predecessors, (39), 3 states have call successors, (39) [2022-07-14 01:38:49,011 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 01:38:54,826 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-07-14 01:38:57,678 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 01:39:00,734 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 01:39:00,939 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 01:39:00,939 INFO L93 Difference]: Finished difference Result 15138 states and 23313 transitions. [2022-07-14 01:39:00,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-14 01:39:00,940 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.714285714285714) internal successors, (89), 3 states have internal predecessors, (89), 3 states have call successors, (40), 6 states have call predecessors, (40), 1 states have return successors, (39), 3 states have call predecessors, (39), 3 states have call successors, (39) Word has length 536 [2022-07-14 01:39:00,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 01:39:00,987 INFO L225 Difference]: With dead ends: 15138 [2022-07-14 01:39:00,987 INFO L226 Difference]: Without dead ends: 8223 [2022-07-14 01:39:01,008 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 196 GetRequests, 188 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2022-07-14 01:39:01,009 INFO L413 NwaCegarLoop]: 4549 mSDtfsCounter, 7337 mSDsluCounter, 5443 mSDsCounter, 0 mSdLazyCounter, 3094 mSolverCounterSat, 3238 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7830 SdHoareTripleChecker+Valid, 9992 SdHoareTripleChecker+Invalid, 6335 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3238 IncrementalHoareTripleChecker+Valid, 3094 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.8s IncrementalHoareTripleChecker+Time [2022-07-14 01:39:01,010 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7830 Valid, 9992 Invalid, 6335 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3238 Valid, 3094 Invalid, 3 Unknown, 0 Unchecked, 14.8s Time] [2022-07-14 01:39:01,019 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8223 states. [2022-07-14 01:39:01,222 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8223 to 6993. [2022-07-14 01:39:01,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6993 states, 5451 states have (on average 1.4516602458264538) internal successors, (7913), 5494 states have internal predecessors, (7913), 1306 states have call successors, (1306), 236 states have call predecessors, (1306), 235 states have return successors, (1297), 1289 states have call predecessors, (1297), 1297 states have call successors, (1297) [2022-07-14 01:39:01,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6993 states to 6993 states and 10516 transitions. [2022-07-14 01:39:01,263 INFO L78 Accepts]: Start accepts. Automaton has 6993 states and 10516 transitions. Word has length 536 [2022-07-14 01:39:01,264 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 01:39:01,264 INFO L495 AbstractCegarLoop]: Abstraction has 6993 states and 10516 transitions. [2022-07-14 01:39:01,264 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.714285714285714) internal successors, (89), 3 states have internal predecessors, (89), 3 states have call successors, (40), 6 states have call predecessors, (40), 1 states have return successors, (39), 3 states have call predecessors, (39), 3 states have call successors, (39) [2022-07-14 01:39:01,264 INFO L276 IsEmpty]: Start isEmpty. Operand 6993 states and 10516 transitions. [2022-07-14 01:39:01,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 537 [2022-07-14 01:39:01,268 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 01:39:01,268 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 01:39:01,268 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-14 01:39:01,268 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 01:39:01,269 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 01:39:01,269 INFO L85 PathProgramCache]: Analyzing trace with hash -304152943, now seen corresponding path program 1 times [2022-07-14 01:39:01,269 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 01:39:01,269 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1902651784] [2022-07-14 01:39:01,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 01:39:01,270 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 01:39:01,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:39:01,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 01:39:01,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:39:01,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:39:01,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:39:01,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:39:01,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:39:01,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-14 01:39:01,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:39:01,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:39:01,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:39:01,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:39:01,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:39:01,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-14 01:39:01,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:39:01,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:39:01,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:39:01,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:39:01,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:39:01,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-14 01:39:01,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:39:01,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:39:01,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:39:01,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:39:01,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:39:01,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-14 01:39:01,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:39:01,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:39:01,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:39:01,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:39:01,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:39:01,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-14 01:39:01,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:39:01,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:39:01,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:39:01,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:39:01,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:39:01,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-14 01:39:01,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:39:01,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:39:01,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:39:01,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:39:01,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:39:01,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-14 01:39:01,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:39:01,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:39:01,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:39:01,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:39:01,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:39:01,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-14 01:39:01,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:39:01,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:39:01,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:39:01,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:39:01,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:39:01,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-14 01:39:01,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:39:01,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:39:01,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:39:01,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:39:01,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:39:01,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-14 01:39:01,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:39:01,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:39:01,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:39:01,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:39:01,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:39:01,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-07-14 01:39:01,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:39:01,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:39:01,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:39:01,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:39:01,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:39:01,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2022-07-14 01:39:01,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:39:01,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:39:01,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:39:01,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:39:01,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:39:01,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2022-07-14 01:39:01,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:39:01,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:39:01,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:39:01,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:39:01,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:39:01,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2022-07-14 01:39:01,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:39:01,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:39:01,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:39:01,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:39:01,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:39:01,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2022-07-14 01:39:01,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:39:01,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:39:01,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:39:01,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:39:01,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:39:01,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2022-07-14 01:39:01,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:39:01,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:39:01,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:39:01,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:39:01,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:39:01,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2022-07-14 01:39:01,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:39:01,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:39:01,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:39:01,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:39:01,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:39:01,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2022-07-14 01:39:01,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:39:01,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:39:01,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:39:01,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:39:01,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:39:01,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2022-07-14 01:39:01,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:39:01,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:39:01,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:39:01,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:39:01,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:39:01,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-07-14 01:39:01,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:39:01,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:39:01,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:39:01,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:39:01,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:39:01,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2022-07-14 01:39:01,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:39:01,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:39:01,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:39:01,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:39:01,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:39:01,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 354 [2022-07-14 01:39:01,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:39:01,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:39:01,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:39:01,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:39:01,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:39:01,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 370 [2022-07-14 01:39:01,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:39:01,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:39:01,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:39:01,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:39:01,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:39:01,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 386 [2022-07-14 01:39:01,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:39:01,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:39:01,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:39:01,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:39:01,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:39:01,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 403 [2022-07-14 01:39:01,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:39:01,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:39:01,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:39:01,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 414 [2022-07-14 01:39:01,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:39:01,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:39:01,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:39:01,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2022-07-14 01:39:01,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:39:01,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:39:01,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:39:01,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 436 [2022-07-14 01:39:01,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:39:01,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:39:01,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:39:01,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 447 [2022-07-14 01:39:01,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:39:01,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:39:01,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:39:01,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 458 [2022-07-14 01:39:01,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:39:01,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:39:01,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:39:01,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 469 [2022-07-14 01:39:01,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:39:01,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:39:01,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:39:01,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 480 [2022-07-14 01:39:01,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:39:01,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:39:01,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:39:01,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 510 [2022-07-14 01:39:01,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:39:01,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 517 [2022-07-14 01:39:01,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:39:01,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:39:01,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:39:01,881 INFO L134 CoverageAnalysis]: Checked inductivity of 4452 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4452 trivial. 0 not checked. [2022-07-14 01:39:01,881 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 01:39:01,881 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1902651784] [2022-07-14 01:39:01,881 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1902651784] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 01:39:01,881 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 01:39:01,882 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-14 01:39:01,882 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1658408176] [2022-07-14 01:39:01,882 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 01:39:01,882 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-14 01:39:01,882 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 01:39:01,883 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-14 01:39:01,883 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-07-14 01:39:01,883 INFO L87 Difference]: Start difference. First operand 6993 states and 10516 transitions. Second operand has 7 states, 7 states have (on average 12.714285714285714) internal successors, (89), 3 states have internal predecessors, (89), 3 states have call successors, (40), 6 states have call predecessors, (40), 1 states have return successors, (39), 3 states have call predecessors, (39), 3 states have call successors, (39) [2022-07-14 01:39:05,557 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 01:39:16,004 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-07-14 01:39:18,007 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-07-14 01:39:23,924 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 01:39:28,268 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 01:39:30,303 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 01:39:30,822 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 01:39:30,823 INFO L93 Difference]: Finished difference Result 22921 states and 35583 transitions. [2022-07-14 01:39:30,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-14 01:39:30,823 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.714285714285714) internal successors, (89), 3 states have internal predecessors, (89), 3 states have call successors, (40), 6 states have call predecessors, (40), 1 states have return successors, (39), 3 states have call predecessors, (39), 3 states have call successors, (39) Word has length 536 [2022-07-14 01:39:30,824 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 01:39:30,898 INFO L225 Difference]: With dead ends: 22921 [2022-07-14 01:39:30,899 INFO L226 Difference]: Without dead ends: 16006 [2022-07-14 01:39:30,925 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 198 GetRequests, 189 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2022-07-14 01:39:30,926 INFO L413 NwaCegarLoop]: 5380 mSDtfsCounter, 8883 mSDsluCounter, 11965 mSDsCounter, 0 mSdLazyCounter, 7773 mSolverCounterSat, 5220 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 26.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9445 SdHoareTripleChecker+Valid, 17345 SdHoareTripleChecker+Invalid, 12998 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5220 IncrementalHoareTripleChecker+Valid, 7773 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 28.1s IncrementalHoareTripleChecker+Time [2022-07-14 01:39:30,926 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9445 Valid, 17345 Invalid, 12998 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5220 Valid, 7773 Invalid, 5 Unknown, 0 Unchecked, 28.1s Time] [2022-07-14 01:39:30,942 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16006 states. [2022-07-14 01:39:31,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16006 to 13533. [2022-07-14 01:39:31,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13533 states, 10605 states have (on average 1.456011315417256) internal successors, (15441), 10674 states have internal predecessors, (15441), 2481 states have call successors, (2481), 447 states have call predecessors, (2481), 446 states have return successors, (2472), 2459 states have call predecessors, (2472), 2472 states have call successors, (2472) [2022-07-14 01:39:31,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13533 states to 13533 states and 20394 transitions. [2022-07-14 01:39:31,523 INFO L78 Accepts]: Start accepts. Automaton has 13533 states and 20394 transitions. Word has length 536 [2022-07-14 01:39:31,523 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 01:39:31,523 INFO L495 AbstractCegarLoop]: Abstraction has 13533 states and 20394 transitions. [2022-07-14 01:39:31,524 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.714285714285714) internal successors, (89), 3 states have internal predecessors, (89), 3 states have call successors, (40), 6 states have call predecessors, (40), 1 states have return successors, (39), 3 states have call predecessors, (39), 3 states have call successors, (39) [2022-07-14 01:39:31,524 INFO L276 IsEmpty]: Start isEmpty. Operand 13533 states and 20394 transitions. [2022-07-14 01:39:31,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 537 [2022-07-14 01:39:31,526 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 01:39:31,528 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 01:39:31,528 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-07-14 01:39:31,528 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 01:39:31,529 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 01:39:31,529 INFO L85 PathProgramCache]: Analyzing trace with hash 1082050451, now seen corresponding path program 1 times [2022-07-14 01:39:31,530 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 01:39:31,530 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [237033125] [2022-07-14 01:39:31,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 01:39:31,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 01:39:31,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:39:31,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 01:39:31,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:39:31,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:39:31,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:39:31,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:39:31,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:39:31,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-14 01:39:31,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:39:31,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:39:31,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:39:31,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:39:31,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:39:31,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-14 01:39:31,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:39:31,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:39:31,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:39:31,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:39:31,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:39:31,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-14 01:39:31,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:39:31,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:39:31,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:39:31,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:39:31,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:39:31,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-14 01:39:31,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:39:31,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:39:31,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:39:31,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:39:31,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:39:31,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-14 01:39:31,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:39:31,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:39:31,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:39:31,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:39:31,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:39:31,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-14 01:39:31,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:39:31,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:39:31,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:39:31,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:39:31,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:39:31,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-14 01:39:31,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:39:31,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:39:31,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:39:31,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:39:31,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:39:31,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-14 01:39:31,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:39:31,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:39:31,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:39:31,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:39:31,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:39:31,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-14 01:39:31,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:39:31,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:39:31,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:39:31,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:39:31,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:39:31,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-14 01:39:31,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:39:31,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:39:31,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:39:31,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:39:31,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:39:31,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-07-14 01:39:31,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:39:31,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:39:31,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:39:31,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:39:31,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:39:31,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2022-07-14 01:39:31,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:39:31,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:39:31,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:39:31,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:39:31,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:39:31,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2022-07-14 01:39:31,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:39:31,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:39:31,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:39:31,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:39:31,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:39:31,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2022-07-14 01:39:31,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:39:31,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:39:31,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:39:31,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:39:31,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:39:31,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2022-07-14 01:39:31,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:39:31,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:39:31,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:39:31,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:39:31,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:39:31,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2022-07-14 01:39:31,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:39:31,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:39:31,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:39:31,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:39:31,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:39:31,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2022-07-14 01:39:31,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:39:31,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:39:31,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:39:31,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:39:31,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:39:31,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2022-07-14 01:39:31,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:39:31,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:39:31,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:39:31,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:39:31,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:39:31,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2022-07-14 01:39:31,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:39:31,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:39:31,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:39:31,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:39:31,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:39:31,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-07-14 01:39:31,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:39:31,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:39:31,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:39:31,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:39:31,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:39:31,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2022-07-14 01:39:31,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:39:31,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:39:31,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:39:31,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:39:31,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:39:31,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 354 [2022-07-14 01:39:31,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:39:31,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:39:31,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:39:31,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:39:31,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:39:31,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 370 [2022-07-14 01:39:31,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:39:31,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:39:31,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:39:31,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:39:31,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:39:31,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 386 [2022-07-14 01:39:31,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:39:31,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:39:31,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:39:31,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:39:31,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:39:32,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 403 [2022-07-14 01:39:32,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:39:32,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:39:32,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:39:32,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 414 [2022-07-14 01:39:32,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:39:32,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:39:32,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:39:32,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2022-07-14 01:39:32,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:39:32,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:39:32,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:39:32,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 436 [2022-07-14 01:39:32,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:39:32,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:39:32,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:39:32,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 447 [2022-07-14 01:39:32,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:39:32,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:39:32,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:39:32,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 458 [2022-07-14 01:39:32,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:39:32,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:39:32,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:39:32,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 469 [2022-07-14 01:39:32,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:39:32,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:39:32,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:39:32,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 480 [2022-07-14 01:39:32,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:39:32,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:39:32,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:39:32,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 510 [2022-07-14 01:39:32,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:39:32,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 517 [2022-07-14 01:39:32,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:39:32,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:39:32,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:39:32,084 INFO L134 CoverageAnalysis]: Checked inductivity of 4452 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4452 trivial. 0 not checked. [2022-07-14 01:39:32,084 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 01:39:32,084 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [237033125] [2022-07-14 01:39:32,084 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [237033125] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 01:39:32,084 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 01:39:32,085 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-14 01:39:32,085 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1993606675] [2022-07-14 01:39:32,085 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 01:39:32,085 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-14 01:39:32,085 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 01:39:32,086 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-14 01:39:32,086 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-07-14 01:39:32,086 INFO L87 Difference]: Start difference. First operand 13533 states and 20394 transitions. Second operand has 8 states, 8 states have (on average 11.125) internal successors, (89), 4 states have internal predecessors, (89), 2 states have call successors, (40), 6 states have call predecessors, (40), 1 states have return successors, (39), 1 states have call predecessors, (39), 1 states have call successors, (39) [2022-07-14 01:39:36,374 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 01:39:38,410 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 01:39:45,161 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 01:39:47,207 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 01:39:49,242 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 01:39:59,176 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-07-14 01:40:00,741 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.56s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-07-14 01:40:07,557 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 01:40:12,421 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 01:40:13,760 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.34s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 01:40:15,783 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 01:40:17,815 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 01:40:19,848 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 01:40:20,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 01:40:20,471 INFO L93 Difference]: Finished difference Result 44029 states and 69549 transitions. [2022-07-14 01:40:20,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-14 01:40:20,472 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.125) internal successors, (89), 4 states have internal predecessors, (89), 2 states have call successors, (40), 6 states have call predecessors, (40), 1 states have return successors, (39), 1 states have call predecessors, (39), 1 states have call successors, (39) Word has length 536 [2022-07-14 01:40:20,473 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 01:40:20,621 INFO L225 Difference]: With dead ends: 44029 [2022-07-14 01:40:20,621 INFO L226 Difference]: Without dead ends: 30574 [2022-07-14 01:40:20,679 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 196 GetRequests, 188 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2022-07-14 01:40:20,680 INFO L413 NwaCegarLoop]: 6132 mSDtfsCounter, 6396 mSDsluCounter, 22051 mSDsCounter, 0 mSdLazyCounter, 11989 mSolverCounterSat, 2640 mSolverCounterUnsat, 10 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 44.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6937 SdHoareTripleChecker+Valid, 28183 SdHoareTripleChecker+Invalid, 14639 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2640 IncrementalHoareTripleChecker+Valid, 11989 IncrementalHoareTripleChecker+Invalid, 10 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 47.2s IncrementalHoareTripleChecker+Time [2022-07-14 01:40:20,680 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6937 Valid, 28183 Invalid, 14639 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2640 Valid, 11989 Invalid, 10 Unknown, 0 Unchecked, 47.2s Time] [2022-07-14 01:40:20,706 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30574 states. [2022-07-14 01:40:21,415 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30574 to 13535. [2022-07-14 01:40:21,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13535 states, 10607 states have (on average 1.4559253323277082) internal successors, (15443), 10676 states have internal predecessors, (15443), 2481 states have call successors, (2481), 447 states have call predecessors, (2481), 446 states have return successors, (2472), 2459 states have call predecessors, (2472), 2472 states have call successors, (2472) [2022-07-14 01:40:21,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13535 states to 13535 states and 20396 transitions. [2022-07-14 01:40:21,486 INFO L78 Accepts]: Start accepts. Automaton has 13535 states and 20396 transitions. Word has length 536 [2022-07-14 01:40:21,487 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 01:40:21,487 INFO L495 AbstractCegarLoop]: Abstraction has 13535 states and 20396 transitions. [2022-07-14 01:40:21,487 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.125) internal successors, (89), 4 states have internal predecessors, (89), 2 states have call successors, (40), 6 states have call predecessors, (40), 1 states have return successors, (39), 1 states have call predecessors, (39), 1 states have call successors, (39) [2022-07-14 01:40:21,487 INFO L276 IsEmpty]: Start isEmpty. Operand 13535 states and 20396 transitions. [2022-07-14 01:40:21,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 543 [2022-07-14 01:40:21,490 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 01:40:21,490 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 01:40:21,490 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-07-14 01:40:21,490 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 01:40:21,491 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 01:40:21,491 INFO L85 PathProgramCache]: Analyzing trace with hash 1249788275, now seen corresponding path program 1 times [2022-07-14 01:40:21,491 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 01:40:21,491 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [731129597] [2022-07-14 01:40:21,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 01:40:21,491 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 01:40:21,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:40:21,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 01:40:21,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:40:21,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:40:21,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:40:21,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:40:21,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:40:21,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-14 01:40:21,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:40:21,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:40:21,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:40:21,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:40:21,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:40:21,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-14 01:40:21,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:40:21,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:40:21,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:40:21,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:40:21,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:40:21,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-14 01:40:21,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:40:21,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:40:21,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:40:21,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:40:21,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:40:21,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-14 01:40:21,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:40:21,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:40:21,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:40:21,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:40:21,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:40:21,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-14 01:40:21,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:40:21,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:40:21,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:40:21,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:40:21,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:40:21,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-14 01:40:21,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:40:21,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:40:21,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:40:21,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:40:21,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:40:21,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-14 01:40:21,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:40:21,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:40:21,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:40:21,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:40:21,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:40:21,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-14 01:40:21,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:40:21,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:40:21,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:40:21,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:40:21,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:40:21,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-14 01:40:21,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:40:21,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:40:21,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:40:21,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:40:21,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:40:21,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-14 01:40:21,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:40:21,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:40:21,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:40:21,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:40:21,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:40:21,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-07-14 01:40:21,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:40:21,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:40:21,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:40:21,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:40:21,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:40:21,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2022-07-14 01:40:21,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:40:21,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:40:21,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:40:21,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:40:21,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:40:21,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2022-07-14 01:40:21,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:40:21,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:40:21,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:40:21,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:40:21,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:40:21,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2022-07-14 01:40:21,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:40:21,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:40:21,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:40:21,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:40:21,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:40:21,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2022-07-14 01:40:21,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:40:21,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:40:21,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:40:21,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:40:21,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:40:21,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2022-07-14 01:40:21,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:40:21,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:40:21,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:40:21,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:40:21,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:40:21,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2022-07-14 01:40:21,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:40:21,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:40:21,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:40:21,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:40:21,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:40:21,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2022-07-14 01:40:21,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:40:21,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:40:21,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:40:21,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:40:21,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:40:21,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2022-07-14 01:40:21,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:40:21,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:40:21,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:40:21,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:40:21,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:40:21,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-07-14 01:40:21,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:40:21,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:40:21,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:40:21,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:40:21,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:40:21,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2022-07-14 01:40:21,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:40:21,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:40:21,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:40:21,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:40:21,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:40:21,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 354 [2022-07-14 01:40:21,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:40:21,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:40:21,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:40:22,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:40:22,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:40:22,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 370 [2022-07-14 01:40:22,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:40:22,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:40:22,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:40:22,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:40:22,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:40:22,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 386 [2022-07-14 01:40:22,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:40:22,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:40:22,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:40:22,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:40:22,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:40:22,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 403 [2022-07-14 01:40:22,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:40:22,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:40:22,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:40:22,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 414 [2022-07-14 01:40:22,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:40:22,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:40:22,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:40:22,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2022-07-14 01:40:22,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:40:22,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:40:22,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:40:22,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 436 [2022-07-14 01:40:22,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:40:22,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:40:22,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:40:22,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 447 [2022-07-14 01:40:22,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:40:22,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:40:22,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:40:22,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 458 [2022-07-14 01:40:22,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:40:22,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:40:22,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:40:22,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 469 [2022-07-14 01:40:22,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:40:22,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:40:22,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:40:22,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 480 [2022-07-14 01:40:22,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:40:22,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:40:22,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:40:22,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 510 [2022-07-14 01:40:22,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:40:22,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 517 [2022-07-14 01:40:22,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:40:22,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:40:22,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:40:22,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 528 [2022-07-14 01:40:22,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:40:22,136 INFO L134 CoverageAnalysis]: Checked inductivity of 4452 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4452 trivial. 0 not checked. [2022-07-14 01:40:22,136 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 01:40:22,137 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [731129597] [2022-07-14 01:40:22,137 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [731129597] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 01:40:22,137 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 01:40:22,137 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-14 01:40:22,137 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1223989577] [2022-07-14 01:40:22,137 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 01:40:22,138 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-14 01:40:22,138 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 01:40:22,138 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-14 01:40:22,138 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-07-14 01:40:22,138 INFO L87 Difference]: Start difference. First operand 13535 states and 20396 transitions. Second operand has 7 states, 7 states have (on average 13.285714285714286) internal successors, (93), 3 states have internal predecessors, (93), 3 states have call successors, (41), 6 states have call predecessors, (41), 1 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) [2022-07-14 01:40:26,153 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 01:40:28,186 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 01:40:35,479 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-07-14 01:40:37,488 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-07-14 01:40:42,247 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 01:40:46,204 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.92s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 01:40:48,243 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 01:40:48,589 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 01:40:48,589 INFO L93 Difference]: Finished difference Result 15991 states and 25157 transitions. [2022-07-14 01:40:48,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-14 01:40:48,590 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.285714285714286) internal successors, (93), 3 states have internal predecessors, (93), 3 states have call successors, (41), 6 states have call predecessors, (41), 1 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) Word has length 542 [2022-07-14 01:40:48,590 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 01:40:48,785 INFO L225 Difference]: With dead ends: 15991 [2022-07-14 01:40:48,785 INFO L226 Difference]: Without dead ends: 15988 [2022-07-14 01:40:48,791 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 198 GetRequests, 190 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2022-07-14 01:40:48,792 INFO L413 NwaCegarLoop]: 4568 mSDtfsCounter, 6777 mSDsluCounter, 7368 mSDsCounter, 0 mSdLazyCounter, 4795 mSolverCounterSat, 2456 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 24.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7260 SdHoareTripleChecker+Valid, 11936 SdHoareTripleChecker+Invalid, 7257 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2456 IncrementalHoareTripleChecker+Valid, 4795 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 25.7s IncrementalHoareTripleChecker+Time [2022-07-14 01:40:48,792 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7260 Valid, 11936 Invalid, 7257 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2456 Valid, 4795 Invalid, 6 Unknown, 0 Unchecked, 25.7s Time] [2022-07-14 01:40:48,802 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15988 states. [2022-07-14 01:40:49,179 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15988 to 13534. [2022-07-14 01:40:49,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13534 states, 10607 states have (on average 1.4558310549637032) internal successors, (15442), 10675 states have internal predecessors, (15442), 2480 states have call successors, (2480), 447 states have call predecessors, (2480), 446 states have return successors, (2472), 2459 states have call predecessors, (2472), 2472 states have call successors, (2472) [2022-07-14 01:40:49,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13534 states to 13534 states and 20394 transitions. [2022-07-14 01:40:49,247 INFO L78 Accepts]: Start accepts. Automaton has 13534 states and 20394 transitions. Word has length 542 [2022-07-14 01:40:49,248 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 01:40:49,248 INFO L495 AbstractCegarLoop]: Abstraction has 13534 states and 20394 transitions. [2022-07-14 01:40:49,248 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.285714285714286) internal successors, (93), 3 states have internal predecessors, (93), 3 states have call successors, (41), 6 states have call predecessors, (41), 1 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) [2022-07-14 01:40:49,248 INFO L276 IsEmpty]: Start isEmpty. Operand 13534 states and 20394 transitions. [2022-07-14 01:40:49,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 544 [2022-07-14 01:40:49,251 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 01:40:49,251 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 01:40:49,251 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-07-14 01:40:49,251 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 01:40:49,252 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 01:40:49,252 INFO L85 PathProgramCache]: Analyzing trace with hash 87716876, now seen corresponding path program 1 times [2022-07-14 01:40:49,252 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 01:40:49,252 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1147897786] [2022-07-14 01:40:49,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 01:40:49,252 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 01:40:49,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:40:49,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 01:40:49,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:40:49,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:40:49,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:40:49,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:40:49,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:40:49,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-14 01:40:49,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:40:49,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:40:49,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:40:49,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:40:49,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:40:49,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-14 01:40:49,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:40:49,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:40:49,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:40:49,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:40:49,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:40:49,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-14 01:40:49,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:40:49,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:40:49,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:40:49,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:40:49,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:40:49,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-14 01:40:49,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:40:49,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:40:49,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:40:49,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:40:49,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:40:49,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-14 01:40:49,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:40:49,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:40:49,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:40:49,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:40:49,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:40:49,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-14 01:40:49,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:40:49,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:40:49,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:40:49,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:40:49,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:40:49,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-14 01:40:49,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:40:49,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:40:49,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:40:49,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:40:49,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:40:49,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-14 01:40:49,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:40:49,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:40:49,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:40:49,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:40:49,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:40:49,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-14 01:40:49,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:40:49,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:40:49,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:40:49,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:40:49,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:40:49,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-14 01:40:49,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:40:49,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:40:49,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:40:49,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:40:49,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:40:49,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-07-14 01:40:49,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:40:49,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:40:49,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:40:49,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:40:49,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:40:49,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2022-07-14 01:40:49,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:40:49,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:40:49,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:40:49,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:40:49,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:40:49,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2022-07-14 01:40:49,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:40:49,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:40:49,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:40:49,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:40:49,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:40:49,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2022-07-14 01:40:49,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:40:49,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:40:49,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:40:49,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:40:49,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:40:49,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2022-07-14 01:40:49,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:40:49,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:40:49,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:40:49,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:40:49,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:40:49,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2022-07-14 01:40:49,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:40:49,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:40:49,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:40:49,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:40:49,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:40:49,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2022-07-14 01:40:49,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:40:49,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:40:49,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:40:49,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:40:49,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:40:49,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2022-07-14 01:40:49,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:40:49,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:40:49,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:40:49,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:40:49,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:40:49,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2022-07-14 01:40:49,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:40:49,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:40:49,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:40:49,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:40:49,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:40:49,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-07-14 01:40:49,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:40:49,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:40:49,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:40:49,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:40:49,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:40:49,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2022-07-14 01:40:49,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:40:49,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:40:49,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:40:49,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:40:49,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:40:49,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 354 [2022-07-14 01:40:49,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:40:49,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:40:49,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:40:49,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:40:49,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:40:49,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 370 [2022-07-14 01:40:49,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:40:49,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:40:49,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:40:49,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:40:49,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:40:49,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 386 [2022-07-14 01:40:49,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:40:49,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:40:49,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:40:49,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:40:49,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:40:49,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 403 [2022-07-14 01:40:49,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:40:49,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:40:49,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:40:49,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 414 [2022-07-14 01:40:49,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:40:49,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:40:49,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:40:49,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2022-07-14 01:40:49,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:40:49,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:40:49,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:40:49,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 436 [2022-07-14 01:40:49,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:40:49,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:40:49,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:40:49,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 447 [2022-07-14 01:40:49,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:40:49,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:40:49,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:40:49,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 458 [2022-07-14 01:40:49,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:40:49,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:40:49,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:40:49,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 469 [2022-07-14 01:40:49,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:40:49,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:40:49,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:40:49,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 480 [2022-07-14 01:40:49,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:40:49,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:40:49,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:40:49,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 510 [2022-07-14 01:40:49,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:40:49,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 517 [2022-07-14 01:40:49,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:40:49,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:40:49,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:40:49,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 528 [2022-07-14 01:40:49,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:40:49,997 INFO L134 CoverageAnalysis]: Checked inductivity of 4452 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4452 trivial. 0 not checked. [2022-07-14 01:40:49,998 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 01:40:49,998 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1147897786] [2022-07-14 01:40:49,998 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1147897786] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 01:40:49,998 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 01:40:49,998 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-14 01:40:49,998 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1990568071] [2022-07-14 01:40:49,999 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 01:40:50,000 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-14 01:40:50,000 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 01:40:50,000 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-14 01:40:50,000 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-07-14 01:40:50,001 INFO L87 Difference]: Start difference. First operand 13534 states and 20394 transitions. Second operand has 7 states, 7 states have (on average 13.428571428571429) internal successors, (94), 3 states have internal predecessors, (94), 3 states have call successors, (41), 6 states have call predecessors, (41), 1 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) [2022-07-14 01:40:53,967 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 01:40:56,014 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []