./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--scsi--advansys.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0f8a17c6 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--scsi--advansys.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 7aeec7696a529cfd4fe4dd2b18db6cb21f16cff1a7793506058657f67fba4ef5 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-17 05:46:16,157 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-17 05:46:16,162 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-17 05:46:16,222 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-17 05:46:16,223 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-17 05:46:16,225 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-17 05:46:16,226 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-17 05:46:16,230 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-17 05:46:16,232 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-17 05:46:16,235 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-17 05:46:16,235 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-17 05:46:16,236 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-17 05:46:16,236 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-17 05:46:16,238 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-17 05:46:16,239 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-17 05:46:16,242 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-17 05:46:16,243 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-17 05:46:16,243 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-17 05:46:16,245 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-17 05:46:16,249 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-17 05:46:16,249 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-17 05:46:16,250 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-17 05:46:16,251 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-17 05:46:16,252 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-17 05:46:16,257 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-17 05:46:16,257 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-17 05:46:16,257 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-17 05:46:16,258 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-17 05:46:16,258 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-17 05:46:16,259 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-17 05:46:16,259 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-17 05:46:16,260 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-17 05:46:16,261 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-17 05:46:16,261 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-17 05:46:16,262 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-17 05:46:16,262 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-17 05:46:16,263 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-17 05:46:16,263 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-17 05:46:16,263 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-17 05:46:16,264 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-17 05:46:16,264 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-17 05:46:16,266 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-17 05:46:16,293 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-17 05:46:16,294 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-17 05:46:16,294 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-17 05:46:16,295 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-17 05:46:16,295 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-17 05:46:16,295 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-17 05:46:16,296 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-17 05:46:16,296 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-17 05:46:16,296 INFO L138 SettingsManager]: * Use SBE=true [2021-11-17 05:46:16,296 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-17 05:46:16,297 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-17 05:46:16,297 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-17 05:46:16,297 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-17 05:46:16,297 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-17 05:46:16,297 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-17 05:46:16,298 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-17 05:46:16,298 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-17 05:46:16,298 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-17 05:46:16,298 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-17 05:46:16,298 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-17 05:46:16,298 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-17 05:46:16,299 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-17 05:46:16,299 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-17 05:46:16,299 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-17 05:46:16,299 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-17 05:46:16,299 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-17 05:46:16,299 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-17 05:46:16,300 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-17 05:46:16,300 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-17 05:46:16,301 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-17 05:46:16,301 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-17 05:46:16,301 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7aeec7696a529cfd4fe4dd2b18db6cb21f16cff1a7793506058657f67fba4ef5 [2021-11-17 05:46:16,560 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-17 05:46:16,590 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-17 05:46:16,592 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-17 05:46:16,593 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-17 05:46:16,593 INFO L275 PluginConnector]: CDTParser initialized [2021-11-17 05:46:16,594 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--scsi--advansys.ko-entry_point.cil.out.i [2021-11-17 05:46:16,635 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/58565efa9/3a9dc5214d234dd7bee770996a62adb9/FLAG187f206fb [2021-11-17 05:46:17,280 INFO L306 CDTParser]: Found 1 translation units. [2021-11-17 05:46:17,280 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--scsi--advansys.ko-entry_point.cil.out.i [2021-11-17 05:46:17,323 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/58565efa9/3a9dc5214d234dd7bee770996a62adb9/FLAG187f206fb [2021-11-17 05:46:17,381 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/58565efa9/3a9dc5214d234dd7bee770996a62adb9 [2021-11-17 05:46:17,384 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-17 05:46:17,385 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-17 05:46:17,387 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-17 05:46:17,387 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-17 05:46:17,390 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-17 05:46:17,391 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 05:46:17" (1/1) ... [2021-11-17 05:46:17,392 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@15d119d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:46:17, skipping insertion in model container [2021-11-17 05:46:17,392 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 05:46:17" (1/1) ... [2021-11-17 05:46:17,396 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-17 05:46:17,540 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-17 05:46:19,376 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--scsi--advansys.ko-entry_point.cil.out.i[434068,434081] [2021-11-17 05:46:19,436 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-17 05:46:19,467 INFO L203 MainTranslator]: Completed pre-run [2021-11-17 05:46:19,888 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--scsi--advansys.ko-entry_point.cil.out.i[434068,434081] [2021-11-17 05:46:19,893 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-17 05:46:19,978 INFO L208 MainTranslator]: Completed translation [2021-11-17 05:46:19,980 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:46:19 WrapperNode [2021-11-17 05:46:19,980 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-17 05:46:19,981 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-17 05:46:19,981 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-17 05:46:19,982 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-17 05:46:19,986 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:46:19" (1/1) ... [2021-11-17 05:46:20,111 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:46:19" (1/1) ... [2021-11-17 05:46:20,396 INFO L137 Inliner]: procedures = 317, calls = 5366, calls flagged for inlining = 157, calls inlined = 154, statements flattened = 11253 [2021-11-17 05:46:20,397 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-17 05:46:20,397 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-17 05:46:20,397 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-17 05:46:20,398 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-17 05:46:20,404 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:46:19" (1/1) ... [2021-11-17 05:46:20,404 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:46:19" (1/1) ... [2021-11-17 05:46:20,441 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:46:19" (1/1) ... [2021-11-17 05:46:20,442 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:46:19" (1/1) ... [2021-11-17 05:46:20,665 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:46:19" (1/1) ... [2021-11-17 05:46:20,692 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:46:19" (1/1) ... [2021-11-17 05:46:20,721 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:46:19" (1/1) ... [2021-11-17 05:46:20,760 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-17 05:46:20,761 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-17 05:46:20,761 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-17 05:46:20,761 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-17 05:46:20,762 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:46:19" (1/1) ... [2021-11-17 05:46:20,768 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-17 05:46:20,775 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-17 05:46:20,799 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-17 05:46:20,813 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-17 05:46:20,831 INFO L130 BoogieDeclarations]: Found specification of procedure AdvResetSB [2021-11-17 05:46:20,831 INFO L138 BoogieDeclarations]: Found implementation of procedure AdvResetSB [2021-11-17 05:46:20,832 INFO L130 BoogieDeclarations]: Found specification of procedure AscCalSDTRData [2021-11-17 05:46:20,832 INFO L138 BoogieDeclarations]: Found implementation of procedure AscCalSDTRData [2021-11-17 05:46:20,832 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2021-11-17 05:46:20,832 INFO L130 BoogieDeclarations]: Found specification of procedure AscMemSumLramWord [2021-11-17 05:46:20,832 INFO L138 BoogieDeclarations]: Found implementation of procedure AscMemSumLramWord [2021-11-17 05:46:20,832 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-17 05:46:20,832 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-17 05:46:20,832 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2021-11-17 05:46:20,833 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2021-11-17 05:46:20,833 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-17 05:46:20,833 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-17 05:46:20,833 INFO L130 BoogieDeclarations]: Found specification of procedure AscIsrQDone [2021-11-17 05:46:20,833 INFO L138 BoogieDeclarations]: Found implementation of procedure AscIsrQDone [2021-11-17 05:46:20,833 INFO L130 BoogieDeclarations]: Found specification of procedure seq_puts [2021-11-17 05:46:20,833 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_puts [2021-11-17 05:46:20,833 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-17 05:46:20,834 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-17 05:46:20,834 INFO L130 BoogieDeclarations]: Found specification of procedure seq_putc [2021-11-17 05:46:20,834 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_putc [2021-11-17 05:46:20,834 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2021-11-17 05:46:20,834 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2021-11-17 05:46:20,834 INFO L130 BoogieDeclarations]: Found specification of procedure AscIsChipHalted [2021-11-17 05:46:20,834 INFO L138 BoogieDeclarations]: Found implementation of procedure AscIsChipHalted [2021-11-17 05:46:20,834 INFO L130 BoogieDeclarations]: Found specification of procedure adv_get_carrier [2021-11-17 05:46:20,834 INFO L138 BoogieDeclarations]: Found implementation of procedure adv_get_carrier [2021-11-17 05:46:20,835 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-17 05:46:20,835 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-17 05:46:20,835 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_bufflen [2021-11-17 05:46:20,835 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_bufflen [2021-11-17 05:46:20,835 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2021-11-17 05:46:20,835 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2021-11-17 05:46:20,835 INFO L130 BoogieDeclarations]: Found specification of procedure AdvWaitEEPCmd [2021-11-17 05:46:20,835 INFO L138 BoogieDeclarations]: Found implementation of procedure AdvWaitEEPCmd [2021-11-17 05:46:20,836 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_scsi_host_template_6 [2021-11-17 05:46:20,836 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_scsi_host_template_6 [2021-11-17 05:46:20,836 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-11-17 05:46:20,836 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-11-17 05:46:20,836 INFO L130 BoogieDeclarations]: Found specification of procedure AscResetChipAndScsiBus [2021-11-17 05:46:20,837 INFO L138 BoogieDeclarations]: Found implementation of procedure AscResetChipAndScsiBus [2021-11-17 05:46:20,837 INFO L130 BoogieDeclarations]: Found specification of procedure AdvISR [2021-11-17 05:46:20,837 INFO L138 BoogieDeclarations]: Found implementation of procedure AdvISR [2021-11-17 05:46:20,837 INFO L130 BoogieDeclarations]: Found specification of procedure AscFindSignature [2021-11-17 05:46:20,837 INFO L138 BoogieDeclarations]: Found implementation of procedure AscFindSignature [2021-11-17 05:46:20,837 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-11-17 05:46:20,838 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-11-17 05:46:20,838 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-17 05:46:20,838 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-17 05:46:20,838 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-17 05:46:20,838 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-17 05:46:20,838 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_sglist [2021-11-17 05:46:20,838 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_sglist [2021-11-17 05:46:20,838 INFO L130 BoogieDeclarations]: Found specification of procedure advansys_wide_free_mem [2021-11-17 05:46:20,839 INFO L138 BoogieDeclarations]: Found implementation of procedure advansys_wide_free_mem [2021-11-17 05:46:20,839 INFO L130 BoogieDeclarations]: Found specification of procedure AscAllocFreeQueue [2021-11-17 05:46:20,839 INFO L138 BoogieDeclarations]: Found implementation of procedure AscAllocFreeQueue [2021-11-17 05:46:20,840 INFO L130 BoogieDeclarations]: Found specification of procedure AscSetLibErrorCode [2021-11-17 05:46:20,840 INFO L138 BoogieDeclarations]: Found implementation of procedure AscSetLibErrorCode [2021-11-17 05:46:20,840 INFO L130 BoogieDeclarations]: Found specification of procedure asc_isr_callback [2021-11-17 05:46:20,840 INFO L138 BoogieDeclarations]: Found implementation of procedure asc_isr_callback [2021-11-17 05:46:20,841 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2021-11-17 05:46:20,841 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2021-11-17 05:46:20,841 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-17 05:46:20,841 INFO L130 BoogieDeclarations]: Found specification of procedure AdvLoadMicrocode [2021-11-17 05:46:20,841 INFO L138 BoogieDeclarations]: Found implementation of procedure AdvLoadMicrocode [2021-11-17 05:46:20,841 INFO L130 BoogieDeclarations]: Found specification of procedure advansys_isa_remove [2021-11-17 05:46:20,841 INFO L138 BoogieDeclarations]: Found implementation of procedure advansys_isa_remove [2021-11-17 05:46:20,841 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_host_alloc [2021-11-17 05:46:20,842 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_host_alloc [2021-11-17 05:46:20,842 INFO L130 BoogieDeclarations]: Found specification of procedure AscWaitEEPRead [2021-11-17 05:46:20,842 INFO L138 BoogieDeclarations]: Found implementation of procedure AscWaitEEPRead [2021-11-17 05:46:20,842 INFO L130 BoogieDeclarations]: Found specification of procedure AscMemWordCopyPtrFromLram [2021-11-17 05:46:20,842 INFO L138 BoogieDeclarations]: Found implementation of procedure AscMemWordCopyPtrFromLram [2021-11-17 05:46:20,843 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-17 05:46:20,843 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_dma_map [2021-11-17 05:46:20,843 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_dma_map [2021-11-17 05:46:20,843 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-11-17 05:46:20,843 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-11-17 05:46:20,843 INFO L130 BoogieDeclarations]: Found specification of procedure AdvInitAsc38C0800Driver [2021-11-17 05:46:20,843 INFO L138 BoogieDeclarations]: Found implementation of procedure AdvInitAsc38C0800Driver [2021-11-17 05:46:20,843 INFO L130 BoogieDeclarations]: Found specification of procedure AscSetChipSDTR [2021-11-17 05:46:20,843 INFO L138 BoogieDeclarations]: Found implementation of procedure AscSetChipSDTR [2021-11-17 05:46:20,844 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-17 05:46:20,844 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2021-11-17 05:46:20,844 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2021-11-17 05:46:20,844 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2021-11-17 05:46:20,844 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2021-11-17 05:46:20,844 INFO L130 BoogieDeclarations]: Found specification of procedure AdvSendIdleCmd [2021-11-17 05:46:20,844 INFO L138 BoogieDeclarations]: Found implementation of procedure AdvSendIdleCmd [2021-11-17 05:46:20,845 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-17 05:46:20,845 INFO L130 BoogieDeclarations]: Found specification of procedure AscGetNumOfFreeQueue [2021-11-17 05:46:20,845 INFO L138 BoogieDeclarations]: Found implementation of procedure AscGetNumOfFreeQueue [2021-11-17 05:46:20,845 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_byte [2021-11-17 05:46:20,845 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_byte [2021-11-17 05:46:20,845 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_host_find_tag [2021-11-17 05:46:20,846 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_host_find_tag [2021-11-17 05:46:20,846 INFO L130 BoogieDeclarations]: Found specification of procedure AscGetChipVersion [2021-11-17 05:46:20,846 INFO L138 BoogieDeclarations]: Found implementation of procedure AscGetChipVersion [2021-11-17 05:46:20,846 INFO L130 BoogieDeclarations]: Found specification of procedure isa_unregister_driver [2021-11-17 05:46:20,847 INFO L138 BoogieDeclarations]: Found implementation of procedure isa_unregister_driver [2021-11-17 05:46:20,847 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-11-17 05:46:20,847 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-11-17 05:46:20,847 INFO L130 BoogieDeclarations]: Found specification of procedure AscSetBank [2021-11-17 05:46:20,847 INFO L138 BoogieDeclarations]: Found implementation of procedure AscSetBank [2021-11-17 05:46:20,847 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2021-11-17 05:46:20,848 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2021-11-17 05:46:20,848 INFO L130 BoogieDeclarations]: Found specification of procedure outw [2021-11-17 05:46:20,848 INFO L138 BoogieDeclarations]: Found implementation of procedure outw [2021-11-17 05:46:20,848 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2021-11-17 05:46:20,848 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2021-11-17 05:46:20,848 INFO L130 BoogieDeclarations]: Found specification of procedure AscInitAsc1000Driver [2021-11-17 05:46:20,848 INFO L138 BoogieDeclarations]: Found implementation of procedure AscInitAsc1000Driver [2021-11-17 05:46:20,849 INFO L130 BoogieDeclarations]: Found specification of procedure release_firmware [2021-11-17 05:46:20,849 INFO L138 BoogieDeclarations]: Found implementation of procedure release_firmware [2021-11-17 05:46:20,849 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-17 05:46:20,849 INFO L130 BoogieDeclarations]: Found specification of procedure AscSendScsiQueue [2021-11-17 05:46:20,849 INFO L138 BoogieDeclarations]: Found implementation of procedure AscSendScsiQueue [2021-11-17 05:46:20,850 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-11-17 05:46:20,851 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-11-17 05:46:20,851 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_dma_unmap [2021-11-17 05:46:20,852 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_dma_unmap [2021-11-17 05:46:20,852 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2021-11-17 05:46:20,852 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2021-11-17 05:46:20,853 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-17 05:46:20,853 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_change_queue_depth [2021-11-17 05:46:20,853 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_change_queue_depth [2021-11-17 05:46:20,854 INFO L130 BoogieDeclarations]: Found specification of procedure AscGetSynPeriodIndex [2021-11-17 05:46:20,857 INFO L138 BoogieDeclarations]: Found implementation of procedure AscGetSynPeriodIndex [2021-11-17 05:46:20,857 INFO L130 BoogieDeclarations]: Found specification of procedure asc_get_eeprom_string [2021-11-17 05:46:20,857 INFO L138 BoogieDeclarations]: Found implementation of procedure asc_get_eeprom_string [2021-11-17 05:46:20,857 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2021-11-17 05:46:20,857 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2021-11-17 05:46:20,857 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-17 05:46:20,858 INFO L130 BoogieDeclarations]: Found specification of procedure shost_use_blk_mq [2021-11-17 05:46:20,858 INFO L138 BoogieDeclarations]: Found implementation of procedure shost_use_blk_mq [2021-11-17 05:46:20,858 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-11-17 05:46:20,858 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-11-17 05:46:20,858 INFO L130 BoogieDeclarations]: Found specification of procedure adv_get_next_carrier [2021-11-17 05:46:20,858 INFO L138 BoogieDeclarations]: Found implementation of procedure adv_get_next_carrier [2021-11-17 05:46:20,858 INFO L130 BoogieDeclarations]: Found specification of procedure AscReadEEPWord [2021-11-17 05:46:20,858 INFO L138 BoogieDeclarations]: Found implementation of procedure AscReadEEPWord [2021-11-17 05:46:20,858 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-17 05:46:20,859 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-17 05:46:20,859 INFO L130 BoogieDeclarations]: Found specification of procedure AdvReadEEPWord [2021-11-17 05:46:20,859 INFO L138 BoogieDeclarations]: Found implementation of procedure AdvReadEEPWord [2021-11-17 05:46:20,864 INFO L130 BoogieDeclarations]: Found specification of procedure AscWriteEEPCmdReg [2021-11-17 05:46:20,864 INFO L138 BoogieDeclarations]: Found implementation of procedure AscWriteEEPCmdReg [2021-11-17 05:46:20,864 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-11-17 05:46:20,864 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-11-17 05:46:20,865 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2021-11-17 05:46:20,865 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2021-11-17 05:46:20,865 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-17 05:46:20,865 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-17 05:46:20,865 INFO L130 BoogieDeclarations]: Found specification of procedure eisa_driver_unregister [2021-11-17 05:46:20,865 INFO L138 BoogieDeclarations]: Found implementation of procedure eisa_driver_unregister [2021-11-17 05:46:20,865 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-17 05:46:20,865 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-11-17 05:46:20,865 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-11-17 05:46:20,866 INFO L130 BoogieDeclarations]: Found specification of procedure AscStopChip [2021-11-17 05:46:20,866 INFO L138 BoogieDeclarations]: Found implementation of procedure AscStopChip [2021-11-17 05:46:20,866 INFO L130 BoogieDeclarations]: Found specification of procedure advansys_info [2021-11-17 05:46:20,866 INFO L138 BoogieDeclarations]: Found implementation of procedure advansys_info [2021-11-17 05:46:20,866 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_1 [2021-11-17 05:46:20,866 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_1 [2021-11-17 05:46:20,866 INFO L130 BoogieDeclarations]: Found specification of procedure AdvResetChipAndSB [2021-11-17 05:46:20,866 INFO L138 BoogieDeclarations]: Found implementation of procedure AdvResetChipAndSB [2021-11-17 05:46:20,866 INFO L130 BoogieDeclarations]: Found specification of procedure AscMemWordCopyPtrToLram [2021-11-17 05:46:20,867 INFO L138 BoogieDeclarations]: Found implementation of procedure AscMemWordCopyPtrToLram [2021-11-17 05:46:20,867 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-17 05:46:20,867 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-17 05:46:20,867 INFO L130 BoogieDeclarations]: Found specification of procedure AscMsgOutSDTR [2021-11-17 05:46:20,867 INFO L138 BoogieDeclarations]: Found implementation of procedure AscMsgOutSDTR [2021-11-17 05:46:20,867 INFO L130 BoogieDeclarations]: Found specification of procedure AscSetChipSynRegAtID [2021-11-17 05:46:20,867 INFO L138 BoogieDeclarations]: Found implementation of procedure AscSetChipSynRegAtID [2021-11-17 05:46:20,867 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2021-11-17 05:46:20,867 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2021-11-17 05:46:20,868 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-17 05:46:20,868 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2021-11-17 05:46:20,868 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2021-11-17 05:46:20,868 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2021-11-17 05:46:20,868 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2021-11-17 05:46:20,868 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-17 05:46:20,868 INFO L130 BoogieDeclarations]: Found specification of procedure AscWriteEEPWord [2021-11-17 05:46:20,868 INFO L138 BoogieDeclarations]: Found implementation of procedure AscWriteEEPWord [2021-11-17 05:46:20,868 INFO L130 BoogieDeclarations]: Found specification of procedure advansys_release [2021-11-17 05:46:20,869 INFO L138 BoogieDeclarations]: Found implementation of procedure advansys_release [2021-11-17 05:46:20,869 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-11-17 05:46:20,869 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-11-17 05:46:20,869 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-17 05:46:20,869 INFO L130 BoogieDeclarations]: Found specification of procedure advansys_pci_remove [2021-11-17 05:46:20,869 INFO L138 BoogieDeclarations]: Found implementation of procedure advansys_pci_remove [2021-11-17 05:46:20,869 INFO L130 BoogieDeclarations]: Found specification of procedure AscWriteLramByte [2021-11-17 05:46:20,869 INFO L138 BoogieDeclarations]: Found implementation of procedure AscWriteLramByte [2021-11-17 05:46:20,869 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2021-11-17 05:46:20,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2021-11-17 05:46:20,870 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_host_put [2021-11-17 05:46:20,870 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_host_put [2021-11-17 05:46:20,870 INFO L130 BoogieDeclarations]: Found specification of procedure advansys_board_found [2021-11-17 05:46:20,870 INFO L138 BoogieDeclarations]: Found implementation of procedure advansys_board_found [2021-11-17 05:46:20,870 INFO L130 BoogieDeclarations]: Found specification of procedure AscMemDWordCopyPtrToLram [2021-11-17 05:46:20,870 INFO L138 BoogieDeclarations]: Found implementation of procedure AscMemDWordCopyPtrToLram [2021-11-17 05:46:20,870 INFO L130 BoogieDeclarations]: Found specification of procedure AdvInitAsc3550Driver [2021-11-17 05:46:20,870 INFO L138 BoogieDeclarations]: Found implementation of procedure AdvInitAsc3550Driver [2021-11-17 05:46:20,870 INFO L130 BoogieDeclarations]: Found specification of procedure AscWriteLramWord [2021-11-17 05:46:20,871 INFO L138 BoogieDeclarations]: Found implementation of procedure AscWriteLramWord [2021-11-17 05:46:20,871 INFO L130 BoogieDeclarations]: Found specification of procedure AscReadLramByte [2021-11-17 05:46:20,871 INFO L138 BoogieDeclarations]: Found implementation of procedure AscReadLramByte [2021-11-17 05:46:20,871 INFO L130 BoogieDeclarations]: Found specification of procedure AdvBuildCarrierFreelist [2021-11-17 05:46:20,871 INFO L138 BoogieDeclarations]: Found implementation of procedure AdvBuildCarrierFreelist [2021-11-17 05:46:20,871 INFO L130 BoogieDeclarations]: Found specification of procedure AscStartChip [2021-11-17 05:46:20,871 INFO L138 BoogieDeclarations]: Found implementation of procedure AscStartChip [2021-11-17 05:46:20,872 INFO L130 BoogieDeclarations]: Found specification of procedure AscReadLramWord [2021-11-17 05:46:20,872 INFO L138 BoogieDeclarations]: Found implementation of procedure AscReadLramWord [2021-11-17 05:46:20,872 INFO L130 BoogieDeclarations]: Found specification of procedure AscSetChipIH [2021-11-17 05:46:20,872 INFO L138 BoogieDeclarations]: Found implementation of procedure AscSetChipIH [2021-11-17 05:46:20,872 INFO L130 BoogieDeclarations]: Found specification of procedure readw [2021-11-17 05:46:20,872 INFO L138 BoogieDeclarations]: Found implementation of procedure readw [2021-11-17 05:46:20,872 INFO L130 BoogieDeclarations]: Found specification of procedure asc_scsi_done [2021-11-17 05:46:20,872 INFO L138 BoogieDeclarations]: Found implementation of procedure asc_scsi_done [2021-11-17 05:46:20,873 INFO L130 BoogieDeclarations]: Found specification of procedure request_firmware [2021-11-17 05:46:20,873 INFO L138 BoogieDeclarations]: Found implementation of procedure request_firmware [2021-11-17 05:46:20,873 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2021-11-17 05:46:20,873 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2021-11-17 05:46:20,873 INFO L130 BoogieDeclarations]: Found specification of procedure AscPutReadyQueue [2021-11-17 05:46:20,873 INFO L138 BoogieDeclarations]: Found implementation of procedure AscPutReadyQueue [2021-11-17 05:46:20,873 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2021-11-17 05:46:20,873 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2021-11-17 05:46:20,873 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2021-11-17 05:46:20,873 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2021-11-17 05:46:20,874 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_set_resid [2021-11-17 05:46:20,874 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_set_resid [2021-11-17 05:46:20,874 INFO L130 BoogieDeclarations]: Found specification of procedure shost_priv [2021-11-17 05:46:20,874 INFO L138 BoogieDeclarations]: Found implementation of procedure shost_priv [2021-11-17 05:46:20,874 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-17 05:46:20,874 INFO L130 BoogieDeclarations]: Found specification of procedure writeb [2021-11-17 05:46:20,874 INFO L138 BoogieDeclarations]: Found implementation of procedure writeb [2021-11-17 05:46:20,874 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2021-11-17 05:46:20,874 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2021-11-17 05:46:20,875 INFO L130 BoogieDeclarations]: Found specification of procedure AdvInitAsc38C1600Driver [2021-11-17 05:46:20,875 INFO L138 BoogieDeclarations]: Found implementation of procedure AdvInitAsc38C1600Driver [2021-11-17 05:46:20,875 INFO L130 BoogieDeclarations]: Found specification of procedure writew [2021-11-17 05:46:20,875 INFO L138 BoogieDeclarations]: Found implementation of procedure writew [2021-11-17 05:46:20,875 INFO L130 BoogieDeclarations]: Found specification of procedure inw [2021-11-17 05:46:20,875 INFO L138 BoogieDeclarations]: Found implementation of procedure inw [2021-11-17 05:46:20,875 INFO L130 BoogieDeclarations]: Found specification of procedure AscMemWordSetLram [2021-11-17 05:46:20,875 INFO L138 BoogieDeclarations]: Found implementation of procedure AscMemWordSetLram [2021-11-17 05:46:20,875 INFO L130 BoogieDeclarations]: Found specification of procedure isa_register_driver [2021-11-17 05:46:20,876 INFO L138 BoogieDeclarations]: Found implementation of procedure isa_register_driver [2021-11-17 05:46:20,876 INFO L130 BoogieDeclarations]: Found specification of procedure readb [2021-11-17 05:46:20,876 INFO L138 BoogieDeclarations]: Found implementation of procedure readb [2021-11-17 05:46:20,876 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-17 05:46:20,876 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-17 05:46:20,876 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_free [2021-11-17 05:46:20,876 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_free [2021-11-17 05:46:21,756 INFO L236 CfgBuilder]: Building ICFG [2021-11-17 05:46:21,758 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-17 05:46:22,004 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-17 05:46:56,684 INFO L277 CfgBuilder]: Performing block encoding [2021-11-17 05:46:56,702 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-17 05:46:56,702 INFO L301 CfgBuilder]: Removed 4 assume(true) statements. [2021-11-17 05:46:56,706 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.11 05:46:56 BoogieIcfgContainer [2021-11-17 05:46:56,707 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-17 05:46:56,708 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-17 05:46:56,708 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-17 05:46:56,711 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-17 05:46:56,711 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.11 05:46:17" (1/3) ... [2021-11-17 05:46:56,711 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@241b42bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 05:46:56, skipping insertion in model container [2021-11-17 05:46:56,711 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:46:19" (2/3) ... [2021-11-17 05:46:56,712 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@241b42bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 05:46:56, skipping insertion in model container [2021-11-17 05:46:56,712 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.11 05:46:56" (3/3) ... [2021-11-17 05:46:56,713 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--scsi--advansys.ko-entry_point.cil.out.i [2021-11-17 05:46:56,716 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-17 05:46:56,716 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-17 05:46:56,753 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-17 05:46:56,758 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-17 05:46:56,758 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-17 05:46:56,814 INFO L276 IsEmpty]: Start isEmpty. Operand has 3897 states, 2627 states have (on average 1.3856109630757518) internal successors, (3640), 2711 states have internal predecessors, (3640), 1154 states have call successors, (1154), 119 states have call predecessors, (1154), 118 states have return successors, (1145), 1144 states have call predecessors, (1145), 1145 states have call successors, (1145) [2021-11-17 05:46:56,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2021-11-17 05:46:56,822 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 05:46:56,823 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 05:46:56,823 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 05:46:56,826 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 05:46:56,827 INFO L85 PathProgramCache]: Analyzing trace with hash 557494358, now seen corresponding path program 1 times [2021-11-17 05:46:56,832 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 05:46:56,832 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1800574662] [2021-11-17 05:46:56,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 05:46:56,833 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 05:46:57,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:57,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 05:46:57,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:57,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:46:57,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:57,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:46:57,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:57,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-17 05:46:57,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:57,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:46:57,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:57,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:46:57,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:57,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-17 05:46:57,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:57,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:46:57,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:57,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:46:57,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:57,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-11-17 05:46:57,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:57,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:46:57,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:57,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:46:57,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:57,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-11-17 05:46:57,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:57,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:46:57,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:57,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-11-17 05:46:57,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:57,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:46:57,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:57,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-11-17 05:46:57,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:57,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:46:57,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:57,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2021-11-17 05:46:57,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:57,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:46:57,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:57,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2021-11-17 05:46:57,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:57,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:46:57,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:46:57,486 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 174 trivial. 0 not checked. [2021-11-17 05:46:57,487 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 05:46:57,487 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1800574662] [2021-11-17 05:46:57,488 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1800574662] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 05:46:57,488 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 05:46:57,488 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-17 05:46:57,489 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [129803289] [2021-11-17 05:46:57,490 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 05:46:57,495 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-17 05:46:57,496 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 05:46:57,519 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-17 05:46:57,520 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-17 05:46:57,529 INFO L87 Difference]: Start difference. First operand has 3897 states, 2627 states have (on average 1.3856109630757518) internal successors, (3640), 2711 states have internal predecessors, (3640), 1154 states have call successors, (1154), 119 states have call predecessors, (1154), 118 states have return successors, (1145), 1144 states have call predecessors, (1145), 1145 states have call successors, (1145) Second operand has 5 states, 5 states have (on average 8.0) internal successors, (40), 2 states have internal predecessors, (40), 2 states have call successors, (15), 5 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2021-11-17 05:47:00,614 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:47:03,721 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.52s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:47:04,773 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:47:06,865 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.26s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:47:11,553 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:47:13,587 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:47:14,751 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:47:15,758 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:47:17,452 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.69s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:47:19,511 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:47:21,543 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:47:23,593 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:47:25,645 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:47:29,346 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:47:32,510 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:47:33,909 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.40s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:47:35,405 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.49s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:47:36,660 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.26s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:47:37,769 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:47:39,852 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:47:41,880 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:47:45,174 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:47:47,215 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:47:49,256 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:47:51,300 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:47:53,338 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:47:55,393 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:48:01,606 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:48:03,887 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:48:07,254 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 05:48:07,254 INFO L93 Difference]: Finished difference Result 7933 states and 12233 transitions. [2021-11-17 05:48:07,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-17 05:48:07,256 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 2 states have internal predecessors, (40), 2 states have call successors, (15), 5 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 138 [2021-11-17 05:48:07,257 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 05:48:07,343 INFO L225 Difference]: With dead ends: 7933 [2021-11-17 05:48:07,343 INFO L226 Difference]: Without dead ends: 4008 [2021-11-17 05:48:07,368 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2021-11-17 05:48:07,370 INFO L933 BasicCegarLoop]: 5622 mSDtfsCounter, 1326 mSDsluCounter, 6226 mSDsCounter, 0 mSdLazyCounter, 6163 mSolverCounterSat, 2719 mSolverCounterUnsat, 16 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 66.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1358 SdHoareTripleChecker+Valid, 11848 SdHoareTripleChecker+Invalid, 8898 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2719 IncrementalHoareTripleChecker+Valid, 6163 IncrementalHoareTripleChecker+Invalid, 16 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 69.1s IncrementalHoareTripleChecker+Time [2021-11-17 05:48:07,371 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1358 Valid, 11848 Invalid, 8898 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2719 Valid, 6163 Invalid, 16 Unknown, 0 Unchecked, 69.1s Time] [2021-11-17 05:48:07,481 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4008 states. [2021-11-17 05:48:07,741 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4008 to 3853. [2021-11-17 05:48:07,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3853 states, 2597 states have (on average 1.3800539083557952) internal successors, (3584), 2666 states have internal predecessors, (3584), 1138 states have call successors, (1138), 118 states have call predecessors, (1138), 117 states have return successors, (1137), 1136 states have call predecessors, (1137), 1137 states have call successors, (1137) [2021-11-17 05:48:07,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3853 states to 3853 states and 5859 transitions. [2021-11-17 05:48:07,780 INFO L78 Accepts]: Start accepts. Automaton has 3853 states and 5859 transitions. Word has length 138 [2021-11-17 05:48:07,781 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 05:48:07,781 INFO L470 AbstractCegarLoop]: Abstraction has 3853 states and 5859 transitions. [2021-11-17 05:48:07,781 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 2 states have internal predecessors, (40), 2 states have call successors, (15), 5 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2021-11-17 05:48:07,781 INFO L276 IsEmpty]: Start isEmpty. Operand 3853 states and 5859 transitions. [2021-11-17 05:48:07,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2021-11-17 05:48:07,788 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 05:48:07,789 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 05:48:07,789 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-17 05:48:07,789 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 05:48:07,790 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 05:48:07,790 INFO L85 PathProgramCache]: Analyzing trace with hash 67250782, now seen corresponding path program 1 times [2021-11-17 05:48:07,790 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 05:48:07,790 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1443420703] [2021-11-17 05:48:07,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 05:48:07,791 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 05:48:07,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:48:08,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 05:48:08,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:48:08,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:48:08,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:48:08,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:48:08,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:48:08,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-17 05:48:08,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:48:08,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:48:08,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:48:08,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:48:08,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:48:08,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-17 05:48:08,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:48:08,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:48:08,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:48:08,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:48:08,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:48:08,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-11-17 05:48:08,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:48:08,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:48:08,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:48:08,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:48:08,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:48:08,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-11-17 05:48:08,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:48:08,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:48:08,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:48:08,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-11-17 05:48:08,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:48:08,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:48:08,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:48:08,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-11-17 05:48:08,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:48:08,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:48:08,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:48:08,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2021-11-17 05:48:08,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:48:08,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:48:08,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:48:08,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2021-11-17 05:48:08,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:48:08,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:48:08,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:48:08,181 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 174 trivial. 0 not checked. [2021-11-17 05:48:08,182 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 05:48:08,182 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1443420703] [2021-11-17 05:48:08,182 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1443420703] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 05:48:08,182 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 05:48:08,182 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-17 05:48:08,182 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [726097533] [2021-11-17 05:48:08,182 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 05:48:08,184 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-17 05:48:08,184 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 05:48:08,185 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-17 05:48:08,185 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-17 05:48:08,185 INFO L87 Difference]: Start difference. First operand 3853 states and 5859 transitions. Second operand has 6 states, 6 states have (on average 6.666666666666667) internal successors, (40), 3 states have internal predecessors, (40), 2 states have call successors, (15), 5 states have call predecessors, (15), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2021-11-17 05:48:10,284 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:48:12,350 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:48:13,899 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.46s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:48:15,884 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:48:17,695 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.81s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:48:24,374 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:48:26,431 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:48:28,099 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.67s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:48:29,926 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.65s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:48:31,684 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.76s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:48:34,484 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.99s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:48:36,048 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.56s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:48:38,080 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:48:40,128 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:48:42,165 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:48:44,202 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:48:50,254 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:48:52,272 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:48:54,302 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:48:56,113 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:48:58,803 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:49:00,827 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:49:02,457 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.63s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:49:03,957 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.50s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:49:05,980 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:49:07,997 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:49:11,732 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:49:13,771 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:49:15,730 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.96s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:49:17,777 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:49:19,826 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:49:21,861 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:49:23,896 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:49:25,931 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:49:27,972 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:49:33,073 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.66s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:49:35,354 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:49:39,574 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:49:41,730 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:49:43,881 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:49:55,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 05:49:55,393 INFO L93 Difference]: Finished difference Result 11526 states and 17550 transitions. [2021-11-17 05:49:55,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-17 05:49:55,393 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.666666666666667) internal successors, (40), 3 states have internal predecessors, (40), 2 states have call successors, (15), 5 states have call predecessors, (15), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 138 [2021-11-17 05:49:55,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 05:49:55,425 INFO L225 Difference]: With dead ends: 11526 [2021-11-17 05:49:55,426 INFO L226 Difference]: Without dead ends: 7699 [2021-11-17 05:49:55,437 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2021-11-17 05:49:55,438 INFO L933 BasicCegarLoop]: 6375 mSDtfsCounter, 6922 mSDsluCounter, 11299 mSDsCounter, 0 mSdLazyCounter, 9616 mSolverCounterSat, 5620 mSolverCounterUnsat, 26 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 102.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7748 SdHoareTripleChecker+Valid, 17674 SdHoareTripleChecker+Invalid, 15262 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5620 IncrementalHoareTripleChecker+Valid, 9616 IncrementalHoareTripleChecker+Invalid, 26 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 106.5s IncrementalHoareTripleChecker+Time [2021-11-17 05:49:55,438 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7748 Valid, 17674 Invalid, 15262 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5620 Valid, 9616 Invalid, 26 Unknown, 0 Unchecked, 106.5s Time] [2021-11-17 05:49:55,447 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7699 states. [2021-11-17 05:49:55,693 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7699 to 7386. [2021-11-17 05:49:55,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7386 states, 5015 states have (on average 1.3834496510468595) internal successors, (6938), 5143 states have internal predecessors, (6938), 2138 states have call successors, (2138), 233 states have call predecessors, (2138), 232 states have return successors, (2137), 2134 states have call predecessors, (2137), 2137 states have call successors, (2137) [2021-11-17 05:49:55,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7386 states to 7386 states and 11213 transitions. [2021-11-17 05:49:55,740 INFO L78 Accepts]: Start accepts. Automaton has 7386 states and 11213 transitions. Word has length 138 [2021-11-17 05:49:55,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 05:49:55,741 INFO L470 AbstractCegarLoop]: Abstraction has 7386 states and 11213 transitions. [2021-11-17 05:49:55,742 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.666666666666667) internal successors, (40), 3 states have internal predecessors, (40), 2 states have call successors, (15), 5 states have call predecessors, (15), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2021-11-17 05:49:55,742 INFO L276 IsEmpty]: Start isEmpty. Operand 7386 states and 11213 transitions. [2021-11-17 05:49:55,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2021-11-17 05:49:55,749 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 05:49:55,749 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 5, 5, 5, 5, 5, 5, 5, 5, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 05:49:55,749 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-17 05:49:55,749 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 05:49:55,750 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 05:49:55,750 INFO L85 PathProgramCache]: Analyzing trace with hash 1965538175, now seen corresponding path program 1 times [2021-11-17 05:49:55,750 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 05:49:55,750 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1181107260] [2021-11-17 05:49:55,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 05:49:55,750 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 05:49:55,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:49:55,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 05:49:55,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:49:55,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:49:55,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:49:55,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:49:55,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:49:55,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-17 05:49:55,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:49:55,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:49:55,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:49:56,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:49:56,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:49:56,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-17 05:49:56,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:49:56,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:49:56,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:49:56,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:49:56,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:49:56,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-11-17 05:49:56,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:49:56,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:49:56,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:49:56,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:49:56,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:49:56,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-11-17 05:49:56,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:49:56,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:49:56,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:49:56,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-11-17 05:49:56,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:49:56,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:49:56,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:49:56,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-11-17 05:49:56,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:49:56,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:49:56,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:49:56,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2021-11-17 05:49:56,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:49:56,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:49:56,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:49:56,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2021-11-17 05:49:56,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:49:56,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:49:56,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:49:56,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2021-11-17 05:49:56,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:49:56,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2021-11-17 05:49:56,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:49:56,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:49:56,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:49:56,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:49:56,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:49:56,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-17 05:49:56,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:49:56,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:49:56,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:49:56,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:49:56,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:49:56,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2021-11-17 05:49:56,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:49:56,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:49:56,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:49:56,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:49:56,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:49:56,167 INFO L134 CoverageAnalysis]: Checked inductivity of 389 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 384 trivial. 0 not checked. [2021-11-17 05:49:56,167 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 05:49:56,167 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1181107260] [2021-11-17 05:49:56,168 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1181107260] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 05:49:56,168 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 05:49:56,168 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-17 05:49:56,168 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1288638247] [2021-11-17 05:49:56,168 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 05:49:56,169 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-17 05:49:56,169 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 05:49:56,169 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-17 05:49:56,170 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-11-17 05:49:56,170 INFO L87 Difference]: Start difference. First operand 7386 states and 11213 transitions. Second operand has 8 states, 8 states have (on average 7.875) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (19), 5 states have call predecessors, (19), 2 states have return successors, (16), 3 states have call predecessors, (16), 2 states have call successors, (16) [2021-11-17 05:49:58,214 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:50:00,282 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:50:03,344 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:50:05,572 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.54s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:50:08,476 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:50:10,721 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:50:12,344 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.30s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:50:15,247 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:50:17,279 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:50:19,365 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:50:21,415 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:50:23,578 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:50:25,100 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.52s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:50:26,429 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:50:28,485 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:50:30,526 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:50:36,236 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:50:39,934 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:50:41,685 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.74s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:50:43,718 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:50:45,743 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:50:47,204 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.46s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:50:49,016 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.81s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:50:50,486 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.47s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:50:52,514 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:50:54,177 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.66s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:50:56,199 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:50:57,899 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.70s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:50:58,962 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:51:00,985 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:51:03,004 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:51:05,020 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:51:07,121 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:51:09,148 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:51:11,243 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:51:15,507 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:51:17,546 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:51:19,338 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.76s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:51:21,379 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:51:23,426 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:51:25,469 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:51:34,155 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.29s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:51:35,341 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:51:40,614 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 05:51:40,614 INFO L93 Difference]: Finished difference Result 17097 states and 26211 transitions. [2021-11-17 05:51:40,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-17 05:51:40,614 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.875) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (19), 5 states have call predecessors, (19), 2 states have return successors, (16), 3 states have call predecessors, (16), 2 states have call successors, (16) Word has length 208 [2021-11-17 05:51:40,615 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 05:51:40,670 INFO L225 Difference]: With dead ends: 17097 [2021-11-17 05:51:40,670 INFO L226 Difference]: Without dead ends: 9737 [2021-11-17 05:51:40,694 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2021-11-17 05:51:40,695 INFO L933 BasicCegarLoop]: 7233 mSDtfsCounter, 2457 mSDsluCounter, 27664 mSDsCounter, 0 mSdLazyCounter, 10215 mSolverCounterSat, 2700 mSolverCounterUnsat, 22 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 100.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2777 SdHoareTripleChecker+Valid, 34897 SdHoareTripleChecker+Invalid, 12937 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2700 IncrementalHoareTripleChecker+Valid, 10215 IncrementalHoareTripleChecker+Invalid, 22 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 103.7s IncrementalHoareTripleChecker+Time [2021-11-17 05:51:40,695 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2777 Valid, 34897 Invalid, 12937 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2700 Valid, 10215 Invalid, 22 Unknown, 0 Unchecked, 103.7s Time] [2021-11-17 05:51:40,704 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9737 states. [2021-11-17 05:51:40,980 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9737 to 7386. [2021-11-17 05:51:40,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7386 states, 5015 states have (on average 1.383050847457627) internal successors, (6936), 5141 states have internal predecessors, (6936), 2138 states have call successors, (2138), 233 states have call predecessors, (2138), 232 states have return successors, (2137), 2134 states have call predecessors, (2137), 2137 states have call successors, (2137) [2021-11-17 05:51:41,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7386 states to 7386 states and 11211 transitions. [2021-11-17 05:51:41,016 INFO L78 Accepts]: Start accepts. Automaton has 7386 states and 11211 transitions. Word has length 208 [2021-11-17 05:51:41,017 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 05:51:41,017 INFO L470 AbstractCegarLoop]: Abstraction has 7386 states and 11211 transitions. [2021-11-17 05:51:41,017 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.875) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (19), 5 states have call predecessors, (19), 2 states have return successors, (16), 3 states have call predecessors, (16), 2 states have call successors, (16) [2021-11-17 05:51:41,017 INFO L276 IsEmpty]: Start isEmpty. Operand 7386 states and 11211 transitions. [2021-11-17 05:51:41,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2021-11-17 05:51:41,022 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 05:51:41,023 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 5, 5, 5, 5, 5, 5, 5, 5, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 05:51:41,023 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-17 05:51:41,023 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 05:51:41,023 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 05:51:41,024 INFO L85 PathProgramCache]: Analyzing trace with hash -685837414, now seen corresponding path program 1 times [2021-11-17 05:51:41,024 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 05:51:41,024 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [519359682] [2021-11-17 05:51:41,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 05:51:41,024 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 05:51:41,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:51:41,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 05:51:41,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:51:41,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:51:41,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:51:41,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:51:41,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:51:41,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-17 05:51:41,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:51:41,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:51:41,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:51:41,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:51:41,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:51:41,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-17 05:51:41,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:51:41,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:51:41,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:51:41,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:51:41,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:51:41,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-11-17 05:51:41,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:51:41,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:51:41,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:51:41,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:51:41,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:51:41,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-11-17 05:51:41,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:51:41,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:51:41,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:51:41,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-11-17 05:51:41,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:51:41,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:51:41,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:51:41,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-11-17 05:51:41,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:51:41,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:51:41,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:51:41,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2021-11-17 05:51:41,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:51:41,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:51:41,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:51:41,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2021-11-17 05:51:41,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:51:41,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:51:41,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:51:41,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2021-11-17 05:51:41,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:51:41,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2021-11-17 05:51:41,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:51:41,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2021-11-17 05:51:41,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:51:41,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2021-11-17 05:51:41,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:51:41,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:51:41,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:51:41,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:51:41,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:51:41,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2021-11-17 05:51:41,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:51:41,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:51:41,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:51:41,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:51:41,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:51:41,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2021-11-17 05:51:41,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:51:41,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:51:41,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:51:41,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:51:41,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:51:41,416 INFO L134 CoverageAnalysis]: Checked inductivity of 392 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 385 trivial. 0 not checked. [2021-11-17 05:51:41,417 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 05:51:41,417 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [519359682] [2021-11-17 05:51:41,417 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [519359682] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 05:51:41,417 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 05:51:41,417 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-17 05:51:41,417 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1015475969] [2021-11-17 05:51:41,418 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 05:51:41,418 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-17 05:51:41,418 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 05:51:41,418 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-17 05:51:41,419 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-11-17 05:51:41,419 INFO L87 Difference]: Start difference. First operand 7386 states and 11211 transitions. Second operand has 8 states, 8 states have (on average 8.625) internal successors, (69), 4 states have internal predecessors, (69), 2 states have call successors, (21), 5 states have call predecessors, (21), 2 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) [2021-11-17 05:51:43,471 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:51:45,568 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:51:52,154 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:51:54,910 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:51:56,963 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:51:59,358 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:52:01,494 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:52:04,480 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.99s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:52:07,285 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:52:10,904 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.69s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:52:12,932 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:52:14,748 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.82s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:52:16,776 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:52:18,806 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:52:20,828 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:52:22,287 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.46s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:52:24,366 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:52:25,567 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:52:28,603 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:52:30,647 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:52:32,690 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:52:38,825 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 05:52:38,826 INFO L93 Difference]: Finished difference Result 17097 states and 26207 transitions. [2021-11-17 05:52:38,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-17 05:52:38,826 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.625) internal successors, (69), 4 states have internal predecessors, (69), 2 states have call successors, (21), 5 states have call predecessors, (21), 2 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) Word has length 218 [2021-11-17 05:52:38,827 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 05:52:38,884 INFO L225 Difference]: With dead ends: 17097 [2021-11-17 05:52:38,884 INFO L226 Difference]: Without dead ends: 9737 [2021-11-17 05:52:38,913 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2021-11-17 05:52:38,914 INFO L933 BasicCegarLoop]: 7229 mSDtfsCounter, 3146 mSDsluCounter, 21865 mSDsCounter, 0 mSdLazyCounter, 5274 mSolverCounterSat, 4083 mSolverCounterUnsat, 15 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 54.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3465 SdHoareTripleChecker+Valid, 29094 SdHoareTripleChecker+Invalid, 9372 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4083 IncrementalHoareTripleChecker+Valid, 5274 IncrementalHoareTripleChecker+Invalid, 15 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 56.9s IncrementalHoareTripleChecker+Time [2021-11-17 05:52:38,914 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3465 Valid, 29094 Invalid, 9372 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4083 Valid, 5274 Invalid, 15 Unknown, 0 Unchecked, 56.9s Time] [2021-11-17 05:52:38,925 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9737 states. [2021-11-17 05:52:39,307 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9737 to 7386. [2021-11-17 05:52:39,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7386 states, 5015 states have (on average 1.382652043868395) internal successors, (6934), 5139 states have internal predecessors, (6934), 2138 states have call successors, (2138), 233 states have call predecessors, (2138), 232 states have return successors, (2137), 2134 states have call predecessors, (2137), 2137 states have call successors, (2137) [2021-11-17 05:52:39,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7386 states to 7386 states and 11209 transitions. [2021-11-17 05:52:39,345 INFO L78 Accepts]: Start accepts. Automaton has 7386 states and 11209 transitions. Word has length 218 [2021-11-17 05:52:39,347 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 05:52:39,347 INFO L470 AbstractCegarLoop]: Abstraction has 7386 states and 11209 transitions. [2021-11-17 05:52:39,347 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.625) internal successors, (69), 4 states have internal predecessors, (69), 2 states have call successors, (21), 5 states have call predecessors, (21), 2 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) [2021-11-17 05:52:39,347 INFO L276 IsEmpty]: Start isEmpty. Operand 7386 states and 11209 transitions. [2021-11-17 05:52:39,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2021-11-17 05:52:39,358 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 05:52:39,358 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 5, 5, 5, 5, 5, 5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 05:52:39,358 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-17 05:52:39,359 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 05:52:39,359 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 05:52:39,359 INFO L85 PathProgramCache]: Analyzing trace with hash 813548725, now seen corresponding path program 1 times [2021-11-17 05:52:39,359 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 05:52:39,359 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1725772131] [2021-11-17 05:52:39,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 05:52:39,360 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 05:52:39,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:52:39,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 05:52:39,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:52:39,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:52:39,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:52:39,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:52:39,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:52:39,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-17 05:52:39,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:52:39,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:52:39,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:52:39,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:52:39,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:52:39,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-17 05:52:39,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:52:39,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:52:39,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:52:39,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:52:39,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:52:39,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-11-17 05:52:39,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:52:39,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:52:39,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:52:39,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:52:39,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:52:39,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-11-17 05:52:39,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:52:39,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:52:39,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:52:39,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-11-17 05:52:39,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:52:39,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:52:39,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:52:39,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-11-17 05:52:39,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:52:39,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:52:39,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:52:39,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2021-11-17 05:52:39,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:52:39,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:52:39,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:52:39,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2021-11-17 05:52:39,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:52:39,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:52:39,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:52:39,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2021-11-17 05:52:39,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:52:39,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2021-11-17 05:52:39,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:52:39,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2021-11-17 05:52:39,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:52:39,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2021-11-17 05:52:39,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:52:39,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2021-11-17 05:52:39,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:52:39,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:52:39,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:52:39,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:52:39,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:52:39,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2021-11-17 05:52:39,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:52:39,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:52:39,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:52:39,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:52:39,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:52:39,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-11-17 05:52:39,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:52:39,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:52:39,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:52:39,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:52:39,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:52:39,702 INFO L134 CoverageAnalysis]: Checked inductivity of 395 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 390 trivial. 0 not checked. [2021-11-17 05:52:39,702 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 05:52:39,702 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1725772131] [2021-11-17 05:52:39,702 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1725772131] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 05:52:39,702 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 05:52:39,702 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-17 05:52:39,703 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1279337836] [2021-11-17 05:52:39,703 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 05:52:39,703 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-17 05:52:39,703 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 05:52:39,703 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-17 05:52:39,704 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-11-17 05:52:39,704 INFO L87 Difference]: Start difference. First operand 7386 states and 11209 transitions. Second operand has 7 states, 7 states have (on average 9.857142857142858) internal successors, (69), 4 states have internal predecessors, (69), 2 states have call successors, (22), 5 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2021-11-17 05:52:42,136 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:52:44,226 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:52:47,748 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.42s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:52:49,031 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:52:50,399 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.37s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:52:54,700 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:52:56,912 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.71s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:52:59,915 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:53:01,959 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:53:03,763 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.80s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:53:05,827 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:53:07,868 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:53:10,405 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:53:11,872 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.47s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:53:12,905 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:53:14,934 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:53:16,983 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:53:18,092 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:53:28,164 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:53:30,200 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:53:32,318 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:53:34,366 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:53:36,402 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:53:39,475 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:53:40,523 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:53:44,344 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:53:46,388 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:53:47,783 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.39s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:53:49,813 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:53:51,854 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:53:53,886 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:53:55,944 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:53:57,980 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:53:59,507 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.53s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:54:13,961 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 05:54:13,961 INFO L93 Difference]: Finished difference Result 18085 states and 27803 transitions. [2021-11-17 05:54:13,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-17 05:54:13,961 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.857142857142858) internal successors, (69), 4 states have internal predecessors, (69), 2 states have call successors, (22), 5 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 224 [2021-11-17 05:54:13,962 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 05:54:14,000 INFO L225 Difference]: With dead ends: 18085 [2021-11-17 05:54:14,000 INFO L226 Difference]: Without dead ends: 10725 [2021-11-17 05:54:14,091 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2021-11-17 05:54:14,092 INFO L933 BasicCegarLoop]: 7408 mSDtfsCounter, 4774 mSDsluCounter, 20562 mSDsCounter, 0 mSdLazyCounter, 10060 mSolverCounterSat, 3315 mSolverCounterUnsat, 22 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 89.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5102 SdHoareTripleChecker+Valid, 27970 SdHoareTripleChecker+Invalid, 13397 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3315 IncrementalHoareTripleChecker+Valid, 10060 IncrementalHoareTripleChecker+Invalid, 22 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 93.5s IncrementalHoareTripleChecker+Time [2021-11-17 05:54:14,093 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5102 Valid, 27970 Invalid, 13397 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3315 Valid, 10060 Invalid, 22 Unknown, 0 Unchecked, 93.5s Time] [2021-11-17 05:54:14,102 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10725 states. [2021-11-17 05:54:14,342 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10725 to 7386. [2021-11-17 05:54:14,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7386 states, 5015 states have (on average 1.3822532402791625) internal successors, (6932), 5137 states have internal predecessors, (6932), 2138 states have call successors, (2138), 233 states have call predecessors, (2138), 232 states have return successors, (2137), 2134 states have call predecessors, (2137), 2137 states have call successors, (2137) [2021-11-17 05:54:14,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7386 states to 7386 states and 11207 transitions. [2021-11-17 05:54:14,376 INFO L78 Accepts]: Start accepts. Automaton has 7386 states and 11207 transitions. Word has length 224 [2021-11-17 05:54:14,377 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 05:54:14,377 INFO L470 AbstractCegarLoop]: Abstraction has 7386 states and 11207 transitions. [2021-11-17 05:54:14,377 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.857142857142858) internal successors, (69), 4 states have internal predecessors, (69), 2 states have call successors, (22), 5 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2021-11-17 05:54:14,377 INFO L276 IsEmpty]: Start isEmpty. Operand 7386 states and 11207 transitions. [2021-11-17 05:54:14,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2021-11-17 05:54:14,383 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 05:54:14,384 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 5, 5, 5, 5, 5, 5, 5, 5, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 05:54:14,384 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-17 05:54:14,384 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 05:54:14,384 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 05:54:14,384 INFO L85 PathProgramCache]: Analyzing trace with hash 227631321, now seen corresponding path program 1 times [2021-11-17 05:54:14,385 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 05:54:14,385 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [936306594] [2021-11-17 05:54:14,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 05:54:14,385 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 05:54:14,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:54:14,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 05:54:14,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:54:14,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:54:14,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:54:14,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:54:14,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:54:14,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-17 05:54:14,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:54:14,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:54:14,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:54:14,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:54:14,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:54:14,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-17 05:54:14,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:54:14,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:54:14,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:54:14,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:54:14,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:54:14,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-11-17 05:54:14,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:54:14,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:54:14,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:54:14,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:54:14,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:54:14,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-11-17 05:54:14,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:54:14,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:54:14,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:54:14,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-11-17 05:54:14,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:54:14,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:54:14,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:54:14,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-11-17 05:54:14,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:54:14,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:54:14,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:54:14,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2021-11-17 05:54:14,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:54:14,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:54:14,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:54:14,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2021-11-17 05:54:14,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:54:14,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:54:14,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:54:14,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2021-11-17 05:54:14,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:54:14,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2021-11-17 05:54:14,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:54:14,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 05:54:14,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:54:14,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:54:14,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:54:14,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:54:14,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:54:14,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2021-11-17 05:54:14,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:54:14,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:54:14,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:54:14,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:54:14,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:54:14,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2021-11-17 05:54:14,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:54:14,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:54:14,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:54:14,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:54:14,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:54:14,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-11-17 05:54:14,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:54:14,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:54:14,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:54:14,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:54:14,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:54:14,775 INFO L134 CoverageAnalysis]: Checked inductivity of 490 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 490 trivial. 0 not checked. [2021-11-17 05:54:14,775 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 05:54:14,775 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [936306594] [2021-11-17 05:54:14,775 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [936306594] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 05:54:14,776 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 05:54:14,776 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-17 05:54:14,776 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1438405945] [2021-11-17 05:54:14,776 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 05:54:14,776 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-17 05:54:14,776 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 05:54:14,777 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-17 05:54:14,777 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-17 05:54:14,777 INFO L87 Difference]: Start difference. First operand 7386 states and 11207 transitions. Second operand has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 3 states have internal predecessors, (67), 3 states have call successors, (21), 6 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2021-11-17 05:54:16,849 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:54:19,602 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.64s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:54:20,856 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:54:25,330 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:54:27,390 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:54:29,451 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:54:33,026 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:54:36,958 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:54:38,994 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:54:41,274 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.58s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:54:43,323 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:54:45,368 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:54:47,795 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:54:51,368 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.66s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:54:53,555 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 05:54:53,555 INFO L93 Difference]: Finished difference Result 9108 states and 13662 transitions. [2021-11-17 05:54:53,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-17 05:54:53,555 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 3 states have internal predecessors, (67), 3 states have call successors, (21), 6 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 235 [2021-11-17 05:54:53,556 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 05:54:53,584 INFO L225 Difference]: With dead ends: 9108 [2021-11-17 05:54:53,584 INFO L226 Difference]: Without dead ends: 9105 [2021-11-17 05:54:53,588 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2021-11-17 05:54:53,588 INFO L933 BasicCegarLoop]: 5807 mSDtfsCounter, 5647 mSDsluCounter, 4494 mSDsCounter, 0 mSdLazyCounter, 3133 mSolverCounterSat, 5264 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 36.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6197 SdHoareTripleChecker+Valid, 10301 SdHoareTripleChecker+Invalid, 8406 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5264 IncrementalHoareTripleChecker+Valid, 3133 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 38.4s IncrementalHoareTripleChecker+Time [2021-11-17 05:54:53,589 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6197 Valid, 10301 Invalid, 8406 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5264 Valid, 3133 Invalid, 9 Unknown, 0 Unchecked, 38.4s Time] [2021-11-17 05:54:53,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9105 states. [2021-11-17 05:54:53,873 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9105 to 8678. [2021-11-17 05:54:53,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8678 states, 5776 states have (on average 1.3642659279778393) internal successors, (7880), 5912 states have internal predecessors, (7880), 2556 states have call successors, (2556), 346 states have call predecessors, (2556), 345 states have return successors, (2555), 2552 states have call predecessors, (2555), 2555 states have call successors, (2555) [2021-11-17 05:54:53,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8678 states to 8678 states and 12991 transitions. [2021-11-17 05:54:53,905 INFO L78 Accepts]: Start accepts. Automaton has 8678 states and 12991 transitions. Word has length 235 [2021-11-17 05:54:53,906 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 05:54:53,906 INFO L470 AbstractCegarLoop]: Abstraction has 8678 states and 12991 transitions. [2021-11-17 05:54:53,906 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 3 states have internal predecessors, (67), 3 states have call successors, (21), 6 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2021-11-17 05:54:53,906 INFO L276 IsEmpty]: Start isEmpty. Operand 8678 states and 12991 transitions. [2021-11-17 05:54:53,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2021-11-17 05:54:53,914 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 05:54:53,915 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 05:54:53,915 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-17 05:54:53,915 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 05:54:53,915 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 05:54:53,915 INFO L85 PathProgramCache]: Analyzing trace with hash -1911852524, now seen corresponding path program 1 times [2021-11-17 05:54:53,916 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 05:54:53,916 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1859219851] [2021-11-17 05:54:53,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 05:54:53,916 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 05:54:53,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:54:54,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 05:54:54,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:54:54,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:54:54,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:54:54,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:54:54,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:54:54,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-17 05:54:54,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:54:54,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:54:54,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:54:54,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:54:54,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:54:54,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-17 05:54:54,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:54:54,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:54:54,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:54:54,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:54:54,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:54:54,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-11-17 05:54:54,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:54:54,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:54:54,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:54:54,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:54:54,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:54:54,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-11-17 05:54:54,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:54:54,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:54:54,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:54:54,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-11-17 05:54:54,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:54:54,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:54:54,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:54:54,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-11-17 05:54:54,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:54:54,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:54:54,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:54:54,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2021-11-17 05:54:54,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:54:54,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:54:54,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:54:54,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2021-11-17 05:54:54,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:54:54,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:54:54,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:54:54,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-11-17 05:54:54,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:54:54,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2021-11-17 05:54:54,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:54:54,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2021-11-17 05:54:54,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:54:54,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2021-11-17 05:54:54,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:54:54,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2021-11-17 05:54:54,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:54:54,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-11-17 05:54:54,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:54:54,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:54:54,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:54:54,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:54:54,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:54:54,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 05:54:54,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:54:54,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-11-17 05:54:54,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:54:54,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 05:54:54,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:54:54,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2021-11-17 05:54:54,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:54:54,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2021-11-17 05:54:54,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:54:54,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:54:54,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:54:54,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:54:54,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:54:54,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-11-17 05:54:54,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:54:54,193 INFO L134 CoverageAnalysis]: Checked inductivity of 222 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 222 trivial. 0 not checked. [2021-11-17 05:54:54,193 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 05:54:54,193 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1859219851] [2021-11-17 05:54:54,193 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1859219851] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 05:54:54,193 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 05:54:54,193 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-17 05:54:54,194 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1917055237] [2021-11-17 05:54:54,194 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 05:54:54,194 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-17 05:54:54,194 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 05:54:54,194 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-17 05:54:54,195 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-11-17 05:54:54,195 INFO L87 Difference]: Start difference. First operand 8678 states and 12991 transitions. Second operand has 7 states, 7 states have (on average 12.857142857142858) internal successors, (90), 3 states have internal predecessors, (90), 2 states have call successors, (30), 6 states have call predecessors, (30), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2021-11-17 05:54:56,240 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:54:58,335 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:55:01,834 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:55:03,894 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:55:05,959 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:55:07,887 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.93s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:55:09,291 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:55:13,716 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:55:15,761 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:55:17,816 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:55:18,951 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:55:21,008 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:55:23,061 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:55:25,121 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:55:29,081 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:55:31,123 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:55:33,968 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.42s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:55:35,999 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:55:37,585 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.56s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:55:39,007 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.40s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:55:42,541 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:55:44,223 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.68s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:55:46,258 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:55:48,471 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:55:50,939 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:55:53,849 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:55:55,896 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:55:57,784 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.89s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:55:59,840 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:56:00,948 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:56:13,759 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 05:56:13,759 INFO L93 Difference]: Finished difference Result 23749 states and 35624 transitions. [2021-11-17 05:56:13,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-17 05:56:13,759 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.857142857142858) internal successors, (90), 3 states have internal predecessors, (90), 2 states have call successors, (30), 6 states have call predecessors, (30), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 238 [2021-11-17 05:56:13,762 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 05:56:13,855 INFO L225 Difference]: With dead ends: 23749 [2021-11-17 05:56:13,856 INFO L226 Difference]: Without dead ends: 15101 [2021-11-17 05:56:13,877 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 81 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=119, Unknown=0, NotChecked=0, Total=182 [2021-11-17 05:56:13,879 INFO L933 BasicCegarLoop]: 5585 mSDtfsCounter, 9536 mSDsluCounter, 5272 mSDsCounter, 0 mSdLazyCounter, 9130 mSolverCounterSat, 11044 mSolverCounterUnsat, 21 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 74.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10298 SdHoareTripleChecker+Valid, 10857 SdHoareTripleChecker+Invalid, 20195 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 11044 IncrementalHoareTripleChecker+Valid, 9130 IncrementalHoareTripleChecker+Invalid, 21 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 78.8s IncrementalHoareTripleChecker+Time [2021-11-17 05:56:13,879 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10298 Valid, 10857 Invalid, 20195 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [11044 Valid, 9130 Invalid, 21 Unknown, 0 Unchecked, 78.8s Time] [2021-11-17 05:56:13,889 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15101 states. [2021-11-17 05:56:14,379 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15101 to 14465. [2021-11-17 05:56:14,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14465 states, 9494 states have (on average 1.3565409732462608) internal successors, (12879), 9729 states have internal predecessors, (12879), 4359 states have call successors, (4359), 616 states have call predecessors, (4359), 611 states have return successors, (4403), 4329 states have call predecessors, (4403), 4358 states have call successors, (4403) [2021-11-17 05:56:14,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14465 states to 14465 states and 21641 transitions. [2021-11-17 05:56:14,442 INFO L78 Accepts]: Start accepts. Automaton has 14465 states and 21641 transitions. Word has length 238 [2021-11-17 05:56:14,443 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 05:56:14,443 INFO L470 AbstractCegarLoop]: Abstraction has 14465 states and 21641 transitions. [2021-11-17 05:56:14,443 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.857142857142858) internal successors, (90), 3 states have internal predecessors, (90), 2 states have call successors, (30), 6 states have call predecessors, (30), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2021-11-17 05:56:14,443 INFO L276 IsEmpty]: Start isEmpty. Operand 14465 states and 21641 transitions. [2021-11-17 05:56:14,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 341 [2021-11-17 05:56:14,466 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 05:56:14,466 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 05:56:14,467 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-17 05:56:14,467 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 05:56:14,467 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 05:56:14,467 INFO L85 PathProgramCache]: Analyzing trace with hash -178490032, now seen corresponding path program 1 times [2021-11-17 05:56:14,467 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 05:56:14,467 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [630299276] [2021-11-17 05:56:14,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 05:56:14,468 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 05:56:14,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:56:14,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 05:56:14,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:56:14,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:56:14,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:56:14,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:56:14,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:56:14,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-17 05:56:14,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:56:14,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:56:14,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:56:14,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:56:14,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:56:14,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-17 05:56:14,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:56:14,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:56:14,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:56:14,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:56:14,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:56:14,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-11-17 05:56:14,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:56:14,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:56:14,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:56:14,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:56:14,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:56:14,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-11-17 05:56:14,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:56:14,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:56:14,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:56:14,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-11-17 05:56:14,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:56:14,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:56:14,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:56:14,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-11-17 05:56:14,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:56:14,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:56:14,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:56:14,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2021-11-17 05:56:14,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:56:14,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:56:14,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:56:14,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2021-11-17 05:56:14,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:56:14,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:56:14,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:56:14,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2021-11-17 05:56:14,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:56:14,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:56:14,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:56:14,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2021-11-17 05:56:14,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:56:14,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:56:14,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:56:14,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-11-17 05:56:14,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:56:14,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 05:56:14,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:56:14,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2021-11-17 05:56:14,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:56:14,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:56:14,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:56:14,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2021-11-17 05:56:14,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:56:14,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:56:14,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:56:14,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-11-17 05:56:14,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:56:14,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:56:14,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:56:14,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:56:14,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:56:14,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-11-17 05:56:14,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:56:14,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2021-11-17 05:56:14,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:56:14,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2021-11-17 05:56:14,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:56:14,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2021-11-17 05:56:14,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:56:14,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2021-11-17 05:56:14,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:56:14,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2021-11-17 05:56:14,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:56:14,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2021-11-17 05:56:14,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:56:14,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2021-11-17 05:56:14,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:56:14,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:56:14,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:56:14,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:56:14,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:56:14,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 05:56:14,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:56:14,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-11-17 05:56:14,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:56:14,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 05:56:14,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:56:14,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2021-11-17 05:56:14,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:56:14,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2021-11-17 05:56:14,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:56:14,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:56:14,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:56:14,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:56:14,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:56:14,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2021-11-17 05:56:14,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:56:14,955 INFO L134 CoverageAnalysis]: Checked inductivity of 307 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 305 trivial. 0 not checked. [2021-11-17 05:56:14,955 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 05:56:14,955 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [630299276] [2021-11-17 05:56:14,955 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [630299276] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 05:56:14,955 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 05:56:14,956 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-17 05:56:14,956 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [494868914] [2021-11-17 05:56:14,956 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 05:56:14,957 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-17 05:56:14,958 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 05:56:14,958 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-17 05:56:14,958 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-11-17 05:56:14,958 INFO L87 Difference]: Start difference. First operand 14465 states and 21641 transitions. Second operand has 9 states, 9 states have (on average 15.777777777777779) internal successors, (142), 3 states have internal predecessors, (142), 2 states have call successors, (43), 8 states have call predecessors, (43), 1 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) [2021-11-17 05:56:17,017 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:56:19,440 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:56:23,114 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:56:25,168 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:56:27,243 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:56:28,386 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:56:30,426 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:56:31,828 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.40s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:56:33,863 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:56:35,911 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:56:41,193 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:56:43,247 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:56:44,384 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:56:47,141 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:56:49,192 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:56:51,305 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:56:53,357 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:56:58,274 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:57:00,320 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:57:05,168 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:57:07,208 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:57:10,451 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:57:11,524 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:57:14,345 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:57:15,911 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.57s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:57:17,958 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:57:20,012 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:57:21,998 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.99s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:57:25,656 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:57:27,708 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:57:29,768 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:57:30,885 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:57:32,920 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:57:34,964 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:57:37,671 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:57:39,700 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:57:42,413 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:57:44,477 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:57:45,903 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.43s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:57:47,973 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:57:50,026 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:57:52,094 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:57:55,699 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:57:57,743 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:57:59,777 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:58:02,820 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:58:06,242 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:58:08,289 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:58:10,325 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:58:12,371 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:58:14,422 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:58:16,465 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:58:18,516 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:58:20,532 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:58:23,189 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:58:25,215 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:58:27,246 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:58:32,601 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:58:37,913 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:58:40,209 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:58:47,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 05:58:47,446 INFO L93 Difference]: Finished difference Result 45658 states and 68676 transitions. [2021-11-17 05:58:47,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-11-17 05:58:47,447 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 15.777777777777779) internal successors, (142), 3 states have internal predecessors, (142), 2 states have call successors, (43), 8 states have call predecessors, (43), 1 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) Word has length 340 [2021-11-17 05:58:47,447 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 05:58:47,544 INFO L225 Difference]: With dead ends: 45658 [2021-11-17 05:58:47,544 INFO L226 Difference]: Without dead ends: 31223 [2021-11-17 05:58:47,585 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 111 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 84 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=127, Invalid=293, Unknown=0, NotChecked=0, Total=420 [2021-11-17 05:58:47,586 INFO L933 BasicCegarLoop]: 5372 mSDtfsCounter, 15004 mSDsluCounter, 6782 mSDsCounter, 0 mSdLazyCounter, 12999 mSolverCounterSat, 15530 mSolverCounterUnsat, 47 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 143.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15999 SdHoareTripleChecker+Valid, 12154 SdHoareTripleChecker+Invalid, 28576 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 15530 IncrementalHoareTripleChecker+Valid, 12999 IncrementalHoareTripleChecker+Invalid, 47 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 150.9s IncrementalHoareTripleChecker+Time [2021-11-17 05:58:47,586 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [15999 Valid, 12154 Invalid, 28576 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [15530 Valid, 12999 Invalid, 47 Unknown, 0 Unchecked, 150.9s Time] [2021-11-17 05:58:47,605 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31223 states. [2021-11-17 05:58:48,640 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31223 to 28232. [2021-11-17 05:58:48,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28232 states, 18807 states have (on average 1.361727016536396) internal successors, (25610), 19257 states have internal predecessors, (25610), 8195 states have call successors, (8195), 1222 states have call predecessors, (8195), 1229 states have return successors, (8360), 8148 states have call predecessors, (8360), 8194 states have call successors, (8360) [2021-11-17 05:58:48,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28232 states to 28232 states and 42165 transitions. [2021-11-17 05:58:48,773 INFO L78 Accepts]: Start accepts. Automaton has 28232 states and 42165 transitions. Word has length 340 [2021-11-17 05:58:48,773 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 05:58:48,774 INFO L470 AbstractCegarLoop]: Abstraction has 28232 states and 42165 transitions. [2021-11-17 05:58:48,774 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 15.777777777777779) internal successors, (142), 3 states have internal predecessors, (142), 2 states have call successors, (43), 8 states have call predecessors, (43), 1 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) [2021-11-17 05:58:48,774 INFO L276 IsEmpty]: Start isEmpty. Operand 28232 states and 42165 transitions. [2021-11-17 05:58:48,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 336 [2021-11-17 05:58:48,803 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 05:58:48,803 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 05:58:48,804 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-17 05:58:48,804 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 05:58:48,804 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 05:58:48,804 INFO L85 PathProgramCache]: Analyzing trace with hash 2082439020, now seen corresponding path program 1 times [2021-11-17 05:58:48,804 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 05:58:48,804 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1964734086] [2021-11-17 05:58:48,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 05:58:48,805 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 05:58:48,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:58:48,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 05:58:48,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:58:48,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:58:48,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:58:48,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:58:48,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:58:48,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-17 05:58:48,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:58:48,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:58:48,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:58:48,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:58:48,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:58:48,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-17 05:58:48,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:58:48,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:58:48,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:58:48,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:58:48,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:58:48,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-11-17 05:58:48,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:58:48,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:58:48,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:58:48,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:58:48,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:58:48,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-11-17 05:58:48,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:58:48,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:58:48,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:58:48,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-11-17 05:58:48,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:58:48,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:58:48,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:58:48,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-11-17 05:58:48,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:58:48,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:58:48,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:58:48,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2021-11-17 05:58:48,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:58:48,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:58:49,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:58:49,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2021-11-17 05:58:49,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:58:49,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:58:49,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:58:49,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2021-11-17 05:58:49,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:58:49,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:58:49,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:58:49,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2021-11-17 05:58:49,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:58:49,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:58:49,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:58:49,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2021-11-17 05:58:49,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:58:49,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 05:58:49,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:58:49,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2021-11-17 05:58:49,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:58:49,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:58:49,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:58:49,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2021-11-17 05:58:49,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:58:49,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:58:49,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:58:49,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-11-17 05:58:49,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:58:49,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:58:49,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:58:49,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:58:49,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:58:49,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-11-17 05:58:49,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:58:49,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-11-17 05:58:49,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:58:49,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2021-11-17 05:58:49,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:58:49,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2021-11-17 05:58:49,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:58:49,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2021-11-17 05:58:49,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:58:49,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2021-11-17 05:58:49,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:58:49,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2021-11-17 05:58:49,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:58:49,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2021-11-17 05:58:49,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:58:49,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:58:49,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:58:49,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:58:49,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:58:49,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 05:58:49,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:58:49,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-11-17 05:58:49,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:58:49,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 05:58:49,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:58:49,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2021-11-17 05:58:49,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:58:49,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2021-11-17 05:58:49,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:58:49,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:58:49,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:58:49,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:58:49,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:58:49,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 320 [2021-11-17 05:58:49,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:58:49,183 INFO L134 CoverageAnalysis]: Checked inductivity of 307 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 305 trivial. 0 not checked. [2021-11-17 05:58:49,184 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 05:58:49,184 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1964734086] [2021-11-17 05:58:49,184 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1964734086] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 05:58:49,184 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 05:58:49,184 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-17 05:58:49,184 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2060088708] [2021-11-17 05:58:49,184 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 05:58:49,186 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-17 05:58:49,186 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 05:58:49,186 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-17 05:58:49,186 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-11-17 05:58:49,187 INFO L87 Difference]: Start difference. First operand 28232 states and 42165 transitions. Second operand has 9 states, 9 states have (on average 15.222222222222221) internal successors, (137), 3 states have internal predecessors, (137), 2 states have call successors, (43), 8 states have call predecessors, (43), 1 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) [2021-11-17 05:58:51,402 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.21s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:58:53,473 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:58:55,539 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:58:57,607 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:59:01,239 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:59:02,268 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:59:04,338 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:59:06,024 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.69s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:59:08,106 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:59:10,162 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:59:12,237 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:59:14,298 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:59:17,131 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:59:19,163 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:59:20,702 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:59:21,807 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:59:23,409 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.60s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:59:28,114 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:59:29,380 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:59:31,431 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:59:33,496 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:59:34,847 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.35s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:59:36,886 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:59:38,957 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:59:40,001 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:59:42,683 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.40s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:59:45,643 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:59:47,723 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:59:48,871 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:59:50,922 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:59:52,992 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:59:54,558 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.57s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:59:55,846 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.29s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:59:59,995 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:00:02,577 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.94s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:00:04,081 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.50s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:00:06,112 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:00:07,716 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.58s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:00:09,764 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:00:13,088 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:00:15,161 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:00:17,220 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:00:20,090 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:00:22,134 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:00:23,177 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:00:25,218 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:00:27,262 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:00:29,292 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:00:31,345 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:00:33,402 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:00:35,457 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:00:37,972 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:00:40,024 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] Killed by 15