./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--staging--slicoss--slicoss.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f4b24e32 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--staging--slicoss--slicoss.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 c3e9b23fefd4aff564027293c77af69f71c45b79d0c58b8bd829ffe606e21709 --- Real Ultimate output --- This is Ultimate 0.2.2-?-f4b24e3 [2022-07-14 02:13:26,464 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-14 02:13:26,465 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-14 02:13:26,502 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-14 02:13:26,502 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-14 02:13:26,503 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-14 02:13:26,505 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-14 02:13:26,506 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-14 02:13:26,508 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-14 02:13:26,511 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-14 02:13:26,511 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-14 02:13:26,513 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-14 02:13:26,513 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-14 02:13:26,514 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-14 02:13:26,515 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-14 02:13:26,517 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-14 02:13:26,518 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-14 02:13:26,519 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-14 02:13:26,520 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-14 02:13:26,524 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-14 02:13:26,526 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-14 02:13:26,527 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-14 02:13:26,527 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-14 02:13:26,528 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-14 02:13:26,529 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-14 02:13:26,534 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-14 02:13:26,534 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-14 02:13:26,535 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-14 02:13:26,536 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-14 02:13:26,536 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-14 02:13:26,536 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-14 02:13:26,537 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-14 02:13:26,538 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-14 02:13:26,538 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-14 02:13:26,539 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-14 02:13:26,540 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-14 02:13:26,540 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-14 02:13:26,540 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-14 02:13:26,540 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-14 02:13:26,541 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-14 02:13:26,541 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-14 02:13:26,542 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-14 02:13:26,543 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-14 02:13:26,567 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-14 02:13:26,568 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-14 02:13:26,568 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-14 02:13:26,568 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-14 02:13:26,568 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-14 02:13:26,569 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-14 02:13:26,569 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-14 02:13:26,569 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-14 02:13:26,569 INFO L138 SettingsManager]: * Use SBE=true [2022-07-14 02:13:26,570 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-14 02:13:26,570 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-14 02:13:26,570 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-14 02:13:26,570 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-14 02:13:26,570 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-14 02:13:26,570 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-14 02:13:26,570 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-14 02:13:26,570 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-14 02:13:26,570 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-14 02:13:26,571 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-14 02:13:26,571 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-14 02:13:26,571 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-14 02:13:26,571 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-14 02:13:26,571 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-14 02:13:26,571 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-14 02:13:26,571 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-14 02:13:26,571 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-14 02:13:26,571 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-14 02:13:26,571 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-14 02:13:26,572 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-14 02:13:26,572 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-14 02:13:26,572 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c3e9b23fefd4aff564027293c77af69f71c45b79d0c58b8bd829ffe606e21709 [2022-07-14 02:13:26,757 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-14 02:13:26,781 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-14 02:13:26,783 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-14 02:13:26,784 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-14 02:13:26,784 INFO L275 PluginConnector]: CDTParser initialized [2022-07-14 02:13:26,785 INFO L432 ainManager$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--staging--slicoss--slicoss.ko-entry_point.cil.out.i [2022-07-14 02:13:26,848 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f77c4d812/651f888202f347dcb8c4e40e788e2775/FLAGd2567b529 [2022-07-14 02:13:27,480 INFO L306 CDTParser]: Found 1 translation units. [2022-07-14 02:13:27,481 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--staging--slicoss--slicoss.ko-entry_point.cil.out.i [2022-07-14 02:13:27,505 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f77c4d812/651f888202f347dcb8c4e40e788e2775/FLAGd2567b529 [2022-07-14 02:13:27,876 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f77c4d812/651f888202f347dcb8c4e40e788e2775 [2022-07-14 02:13:27,878 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-14 02:13:27,879 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-14 02:13:27,881 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-14 02:13:27,881 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-14 02:13:27,884 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-14 02:13:27,884 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 02:13:27" (1/1) ... [2022-07-14 02:13:27,885 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@646fc48e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:13:27, skipping insertion in model container [2022-07-14 02:13:27,885 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 02:13:27" (1/1) ... [2022-07-14 02:13:27,889 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-14 02:13:27,985 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-14 02:13:29,426 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--staging--slicoss--slicoss.ko-entry_point.cil.out.i[318989,319002] [2022-07-14 02:13:29,479 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 02:13:29,510 INFO L203 MainTranslator]: Completed pre-run [2022-07-14 02:13:29,866 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--staging--slicoss--slicoss.ko-entry_point.cil.out.i[318989,319002] [2022-07-14 02:13:29,870 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 02:13:29,951 INFO L208 MainTranslator]: Completed translation [2022-07-14 02:13:29,952 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:13:29 WrapperNode [2022-07-14 02:13:29,952 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-14 02:13:29,953 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-14 02:13:29,953 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-14 02:13:29,953 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-14 02:13:29,957 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:13:29" (1/1) ... [2022-07-14 02:13:30,036 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:13:29" (1/1) ... [2022-07-14 02:13:30,224 INFO L137 Inliner]: procedures = 285, calls = 2040, calls flagged for inlining = 151, calls inlined = 148, statements flattened = 5707 [2022-07-14 02:13:30,225 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-14 02:13:30,226 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-14 02:13:30,226 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-14 02:13:30,226 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-14 02:13:30,232 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:13:29" (1/1) ... [2022-07-14 02:13:30,233 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:13:29" (1/1) ... [2022-07-14 02:13:30,299 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:13:29" (1/1) ... [2022-07-14 02:13:30,300 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:13:29" (1/1) ... [2022-07-14 02:13:30,465 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:13:29" (1/1) ... [2022-07-14 02:13:30,483 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:13:29" (1/1) ... [2022-07-14 02:13:30,499 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:13:29" (1/1) ... [2022-07-14 02:13:30,519 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-14 02:13:30,520 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-14 02:13:30,520 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-14 02:13:30,520 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-14 02:13:30,521 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:13:29" (1/1) ... [2022-07-14 02:13:30,526 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-14 02:13:30,532 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 02:13:30,542 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-07-14 02:13:30,563 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-07-14 02:13:30,573 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-14 02:13:30,574 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-14 02:13:30,574 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-07-14 02:13:30,574 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-07-14 02:13:30,574 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-14 02:13:30,574 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-14 02:13:30,575 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-14 02:13:30,575 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-14 02:13:30,575 INFO L130 BoogieDeclarations]: Found specification of procedure slic_mcast_set_mask [2022-07-14 02:13:30,575 INFO L138 BoogieDeclarations]: Found implementation of procedure slic_mcast_set_mask [2022-07-14 02:13:30,575 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2022-07-14 02:13:30,575 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2022-07-14 02:13:30,575 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-14 02:13:30,575 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-14 02:13:30,576 INFO L130 BoogieDeclarations]: Found specification of procedure slic_intagg_set [2022-07-14 02:13:30,576 INFO L138 BoogieDeclarations]: Found implementation of procedure slic_intagg_set [2022-07-14 02:13:30,576 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-07-14 02:13:30,576 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-07-14 02:13:30,576 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2022-07-14 02:13:30,576 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2022-07-14 02:13:30,576 INFO L130 BoogieDeclarations]: Found specification of procedure slic_mcast_set_list [2022-07-14 02:13:30,576 INFO L138 BoogieDeclarations]: Found implementation of procedure slic_mcast_set_list [2022-07-14 02:13:30,577 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-14 02:13:30,577 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-14 02:13:30,577 INFO L130 BoogieDeclarations]: Found specification of procedure slic_upr_queue_request [2022-07-14 02:13:30,577 INFO L138 BoogieDeclarations]: Found implementation of procedure slic_upr_queue_request [2022-07-14 02:13:30,577 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-07-14 02:13:30,577 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-07-14 02:13:30,577 INFO L130 BoogieDeclarations]: Found specification of procedure slic_link_config [2022-07-14 02:13:30,577 INFO L138 BoogieDeclarations]: Found implementation of procedure slic_link_config [2022-07-14 02:13:30,578 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-07-14 02:13:30,578 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-07-14 02:13:30,578 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2022-07-14 02:13:30,578 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2022-07-14 02:13:30,578 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-07-14 02:13:30,578 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-07-14 02:13:30,578 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_2 [2022-07-14 02:13:30,578 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_2 [2022-07-14 02:13:30,579 INFO L130 BoogieDeclarations]: Found specification of procedure slic_reg64_write [2022-07-14 02:13:30,579 INFO L138 BoogieDeclarations]: Found implementation of procedure slic_reg64_write [2022-07-14 02:13:30,579 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-07-14 02:13:30,579 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-07-14 02:13:30,579 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_3 [2022-07-14 02:13:30,579 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_3 [2022-07-14 02:13:30,579 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-14 02:13:30,579 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-14 02:13:30,580 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2022-07-14 02:13:30,580 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2022-07-14 02:13:30,580 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-07-14 02:13:30,580 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-07-14 02:13:30,580 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2022-07-14 02:13:30,580 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2022-07-14 02:13:30,580 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-07-14 02:13:30,580 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-07-14 02:13:30,581 INFO L130 BoogieDeclarations]: Found specification of procedure slic_rspqueue_free [2022-07-14 02:13:30,581 INFO L138 BoogieDeclarations]: Found implementation of procedure slic_rspqueue_free [2022-07-14 02:13:30,581 INFO L130 BoogieDeclarations]: Found specification of procedure slic_upr_request_complete [2022-07-14 02:13:30,581 INFO L138 BoogieDeclarations]: Found implementation of procedure slic_upr_request_complete [2022-07-14 02:13:30,581 INFO L130 BoogieDeclarations]: Found specification of procedure is_zero_ether_addr [2022-07-14 02:13:30,581 INFO L138 BoogieDeclarations]: Found implementation of procedure is_zero_ether_addr [2022-07-14 02:13:30,581 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-14 02:13:30,581 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-07-14 02:13:30,582 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-07-14 02:13:30,582 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-14 02:13:30,582 INFO L130 BoogieDeclarations]: Found specification of procedure slic_link_event_handler [2022-07-14 02:13:30,582 INFO L138 BoogieDeclarations]: Found implementation of procedure slic_link_event_handler [2022-07-14 02:13:30,582 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2022-07-14 02:13:30,582 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2022-07-14 02:13:30,582 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-07-14 02:13:30,582 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-07-14 02:13:30,583 INFO L130 BoogieDeclarations]: Found specification of procedure eth_change_mtu [2022-07-14 02:13:30,583 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_change_mtu [2022-07-14 02:13:30,583 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-07-14 02:13:30,583 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-07-14 02:13:30,583 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-07-14 02:13:30,583 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-07-14 02:13:30,583 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-07-14 02:13:30,583 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-07-14 02:13:30,584 INFO L130 BoogieDeclarations]: Found specification of procedure release_firmware [2022-07-14 02:13:30,584 INFO L138 BoogieDeclarations]: Found implementation of procedure release_firmware [2022-07-14 02:13:30,584 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_consistent_dma_mask [2022-07-14 02:13:30,584 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_consistent_dma_mask [2022-07-14 02:13:30,584 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-07-14 02:13:30,584 INFO L130 BoogieDeclarations]: Found specification of procedure slic_mac_address_config [2022-07-14 02:13:30,584 INFO L138 BoogieDeclarations]: Found implementation of procedure slic_mac_address_config [2022-07-14 02:13:30,584 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2022-07-14 02:13:30,585 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2022-07-14 02:13:30,585 INFO L130 BoogieDeclarations]: Found specification of procedure slic_cmdq_addcmdpage [2022-07-14 02:13:30,585 INFO L138 BoogieDeclarations]: Found implementation of procedure slic_cmdq_addcmdpage [2022-07-14 02:13:30,585 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-07-14 02:13:30,585 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-07-14 02:13:30,585 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-07-14 02:13:30,585 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-14 02:13:30,585 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-07-14 02:13:30,586 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-07-14 02:13:30,586 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-07-14 02:13:30,586 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-07-14 02:13:30,586 INFO L130 BoogieDeclarations]: Found specification of procedure slic_upr_start [2022-07-14 02:13:30,586 INFO L138 BoogieDeclarations]: Found implementation of procedure slic_upr_start [2022-07-14 02:13:30,586 INFO L130 BoogieDeclarations]: Found specification of procedure slic_rcvqueue_fill [2022-07-14 02:13:30,586 INFO L138 BoogieDeclarations]: Found implementation of procedure slic_rcvqueue_fill [2022-07-14 02:13:30,586 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-14 02:13:30,587 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-14 02:13:30,587 INFO L130 BoogieDeclarations]: Found specification of procedure slic_rcvqueue_reinsert [2022-07-14 02:13:30,587 INFO L138 BoogieDeclarations]: Found implementation of procedure slic_rcvqueue_reinsert [2022-07-14 02:13:30,587 INFO L130 BoogieDeclarations]: Found specification of procedure slic_mac_set_address [2022-07-14 02:13:30,587 INFO L138 BoogieDeclarations]: Found implementation of procedure slic_mac_set_address [2022-07-14 02:13:30,587 INFO L130 BoogieDeclarations]: Found specification of procedure slic_reg32_write [2022-07-14 02:13:30,587 INFO L138 BoogieDeclarations]: Found implementation of procedure slic_reg32_write [2022-07-14 02:13:30,587 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_timer_3 [2022-07-14 02:13:30,588 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_timer_3 [2022-07-14 02:13:30,588 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-07-14 02:13:30,588 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-07-14 02:13:30,588 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2022-07-14 02:13:30,588 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2022-07-14 02:13:30,588 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-14 02:13:30,588 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-14 02:13:30,588 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-07-14 02:13:30,589 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-07-14 02:13:30,589 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-14 02:13:30,589 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-07-14 02:13:30,589 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-07-14 02:13:30,589 INFO L130 BoogieDeclarations]: Found specification of procedure __bitrev16 [2022-07-14 02:13:30,589 INFO L138 BoogieDeclarations]: Found implementation of procedure __bitrev16 [2022-07-14 02:13:30,589 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-14 02:13:30,590 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-14 02:13:30,590 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-07-14 02:13:30,590 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-07-14 02:13:30,590 INFO L130 BoogieDeclarations]: Found specification of procedure slic_ioctl [2022-07-14 02:13:30,590 INFO L138 BoogieDeclarations]: Found implementation of procedure slic_ioctl [2022-07-14 02:13:30,590 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-14 02:13:30,590 INFO L130 BoogieDeclarations]: Found specification of procedure slic_config_set [2022-07-14 02:13:30,590 INFO L138 BoogieDeclarations]: Found implementation of procedure slic_config_set [2022-07-14 02:13:30,591 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-07-14 02:13:30,591 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-07-14 02:13:30,591 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_3 [2022-07-14 02:13:30,591 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_3 [2022-07-14 02:13:30,591 INFO L130 BoogieDeclarations]: Found specification of procedure __bitrev8 [2022-07-14 02:13:30,591 INFO L138 BoogieDeclarations]: Found implementation of procedure __bitrev8 [2022-07-14 02:13:30,591 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2022-07-14 02:13:30,591 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2022-07-14 02:13:30,591 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-14 02:13:30,592 INFO L130 BoogieDeclarations]: Found specification of procedure slic_init_driver [2022-07-14 02:13:30,592 INFO L138 BoogieDeclarations]: Found implementation of procedure slic_init_driver [2022-07-14 02:13:30,592 INFO L130 BoogieDeclarations]: Found specification of procedure is_multicast_ether_addr [2022-07-14 02:13:30,592 INFO L138 BoogieDeclarations]: Found implementation of procedure is_multicast_ether_addr [2022-07-14 02:13:30,592 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-07-14 02:13:30,592 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-07-14 02:13:30,592 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-14 02:13:30,592 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2022-07-14 02:13:30,593 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2022-07-14 02:13:30,593 INFO L130 BoogieDeclarations]: Found specification of procedure ether_addr_equal [2022-07-14 02:13:30,593 INFO L138 BoogieDeclarations]: Found implementation of procedure ether_addr_equal [2022-07-14 02:13:30,593 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_3 [2022-07-14 02:13:30,593 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_3 [2022-07-14 02:13:30,593 INFO L130 BoogieDeclarations]: Found specification of procedure slic_cmdqmem_addpage [2022-07-14 02:13:30,593 INFO L138 BoogieDeclarations]: Found implementation of procedure slic_cmdqmem_addpage [2022-07-14 02:13:30,593 INFO L130 BoogieDeclarations]: Found specification of procedure slic_get_stats [2022-07-14 02:13:30,594 INFO L138 BoogieDeclarations]: Found implementation of procedure slic_get_stats [2022-07-14 02:13:30,594 INFO L130 BoogieDeclarations]: Found specification of procedure slic_cmdq_free [2022-07-14 02:13:30,594 INFO L138 BoogieDeclarations]: Found implementation of procedure slic_cmdq_free [2022-07-14 02:13:30,594 INFO L130 BoogieDeclarations]: Found specification of procedure slic_rcvqueue_free [2022-07-14 02:13:30,594 INFO L138 BoogieDeclarations]: Found implementation of procedure slic_rcvqueue_free [2022-07-14 02:13:30,594 INFO L130 BoogieDeclarations]: Found specification of procedure request_firmware [2022-07-14 02:13:30,594 INFO L138 BoogieDeclarations]: Found implementation of procedure request_firmware [2022-07-14 02:13:30,594 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-07-14 02:13:30,594 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-07-14 02:13:30,595 INFO L130 BoogieDeclarations]: Found specification of procedure slic_upr_request [2022-07-14 02:13:30,595 INFO L138 BoogieDeclarations]: Found implementation of procedure slic_upr_request [2022-07-14 02:13:30,595 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-07-14 02:13:30,595 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-07-14 02:13:30,595 INFO L130 BoogieDeclarations]: Found specification of procedure slic_adapter_freeresources [2022-07-14 02:13:30,595 INFO L138 BoogieDeclarations]: Found implementation of procedure slic_adapter_freeresources [2022-07-14 02:13:30,595 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-14 02:13:30,595 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-14 02:13:30,596 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-14 02:13:31,118 INFO L234 CfgBuilder]: Building ICFG [2022-07-14 02:13:31,121 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-14 02:13:31,712 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-14 02:13:38,583 INFO L275 CfgBuilder]: Performing block encoding [2022-07-14 02:13:38,594 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-14 02:13:38,595 INFO L299 CfgBuilder]: Removed 6 assume(true) statements. [2022-07-14 02:13:38,598 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 02:13:38 BoogieIcfgContainer [2022-07-14 02:13:38,599 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-14 02:13:38,601 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-14 02:13:38,601 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-14 02:13:38,604 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-14 02:13:38,604 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.07 02:13:27" (1/3) ... [2022-07-14 02:13:38,605 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21fdb70a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 02:13:38, skipping insertion in model container [2022-07-14 02:13:38,605 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:13:29" (2/3) ... [2022-07-14 02:13:38,605 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21fdb70a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 02:13:38, skipping insertion in model container [2022-07-14 02:13:38,606 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 02:13:38" (3/3) ... [2022-07-14 02:13:38,607 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--staging--slicoss--slicoss.ko-entry_point.cil.out.i [2022-07-14 02:13:38,619 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-14 02:13:38,619 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-14 02:13:38,708 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-14 02:13:38,714 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@26b4f044, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@778d95ce [2022-07-14 02:13:38,714 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-14 02:13:38,724 INFO L276 IsEmpty]: Start isEmpty. Operand has 1732 states, 1297 states have (on average 1.4309946029298382) internal successors, (1856), 1359 states have internal predecessors, (1856), 359 states have call successors, (359), 80 states have call predecessors, (359), 79 states have return successors, (351), 335 states have call predecessors, (351), 351 states have call successors, (351) [2022-07-14 02:13:38,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2022-07-14 02:13:38,753 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 02:13:38,754 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2022-07-14 02:13:38,754 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 02:13:38,757 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 02:13:38,758 INFO L85 PathProgramCache]: Analyzing trace with hash -395369761, now seen corresponding path program 1 times [2022-07-14 02:13:38,767 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 02:13:38,768 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1732587836] [2022-07-14 02:13:38,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 02:13:38,769 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 02:13:38,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:13:39,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 02:13:39,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:13:39,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:13:39,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:13:39,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 02:13:39,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:13:39,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-14 02:13:39,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:13:39,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:13:39,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:13:39,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 02:13:39,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:13:39,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-14 02:13:39,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:13:39,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:13:39,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:13:39,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 02:13:39,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:13:39,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-14 02:13:39,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:13:39,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:13:39,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:13:39,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 02:13:39,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:13:39,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-14 02:13:39,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:13:39,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:13:39,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:13:39,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-14 02:13:39,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:13:39,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:13:39,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:13:39,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-14 02:13:39,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:13:39,420 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2022-07-14 02:13:39,421 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 02:13:39,422 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1732587836] [2022-07-14 02:13:39,424 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1732587836] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 02:13:39,425 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 02:13:39,425 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-14 02:13:39,427 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [281650621] [2022-07-14 02:13:39,428 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 02:13:39,433 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-14 02:13:39,433 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 02:13:39,455 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-14 02:13:39,456 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-14 02:13:39,465 INFO L87 Difference]: Start difference. First operand has 1732 states, 1297 states have (on average 1.4309946029298382) internal successors, (1856), 1359 states have internal predecessors, (1856), 359 states have call successors, (359), 80 states have call predecessors, (359), 79 states have return successors, (351), 335 states have call predecessors, (351), 351 states have call successors, (351) Second operand has 5 states, 5 states have (on average 9.6) internal successors, (48), 2 states have internal predecessors, (48), 2 states have call successors, (14), 5 states have call predecessors, (14), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-07-14 02:13:43,332 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 02:13:46,519 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 02:13:46,987 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 02:13:46,987 INFO L93 Difference]: Finished difference Result 3634 states and 5494 transitions. [2022-07-14 02:13:46,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-14 02:13:46,989 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 2 states have internal predecessors, (48), 2 states have call successors, (14), 5 states have call predecessors, (14), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 119 [2022-07-14 02:13:46,989 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 02:13:47,032 INFO L225 Difference]: With dead ends: 3634 [2022-07-14 02:13:47,032 INFO L226 Difference]: Without dead ends: 1887 [2022-07-14 02:13:47,045 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2022-07-14 02:13:47,048 INFO L413 NwaCegarLoop]: 2320 mSDtfsCounter, 1753 mSDsluCounter, 1047 mSDsCounter, 0 mSdLazyCounter, 890 mSolverCounterSat, 1427 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1764 SdHoareTripleChecker+Valid, 3367 SdHoareTripleChecker+Invalid, 2319 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1427 IncrementalHoareTripleChecker+Valid, 890 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.3s IncrementalHoareTripleChecker+Time [2022-07-14 02:13:47,049 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1764 Valid, 3367 Invalid, 2319 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1427 Valid, 890 Invalid, 2 Unknown, 0 Unchecked, 7.3s Time] [2022-07-14 02:13:47,066 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1887 states. [2022-07-14 02:13:47,190 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1887 to 1697. [2022-07-14 02:13:47,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1697 states, 1272 states have (on average 1.3915094339622642) internal successors, (1770), 1320 states have internal predecessors, (1770), 346 states have call successors, (346), 79 states have call predecessors, (346), 78 states have return successors, (345), 329 states have call predecessors, (345), 345 states have call successors, (345) [2022-07-14 02:13:47,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1697 states to 1697 states and 2461 transitions. [2022-07-14 02:13:47,205 INFO L78 Accepts]: Start accepts. Automaton has 1697 states and 2461 transitions. Word has length 119 [2022-07-14 02:13:47,206 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 02:13:47,206 INFO L495 AbstractCegarLoop]: Abstraction has 1697 states and 2461 transitions. [2022-07-14 02:13:47,206 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 2 states have internal predecessors, (48), 2 states have call successors, (14), 5 states have call predecessors, (14), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-07-14 02:13:47,206 INFO L276 IsEmpty]: Start isEmpty. Operand 1697 states and 2461 transitions. [2022-07-14 02:13:47,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2022-07-14 02:13:47,214 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 02:13:47,214 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2022-07-14 02:13:47,214 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-14 02:13:47,215 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 02:13:47,215 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 02:13:47,215 INFO L85 PathProgramCache]: Analyzing trace with hash 1858104913, now seen corresponding path program 1 times [2022-07-14 02:13:47,215 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 02:13:47,215 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2137100724] [2022-07-14 02:13:47,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 02:13:47,216 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 02:13:47,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:13:47,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 02:13:47,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:13:47,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:13:47,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:13:47,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 02:13:47,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:13:47,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-14 02:13:47,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:13:47,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:13:47,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:13:47,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 02:13:47,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:13:47,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-14 02:13:47,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:13:47,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:13:47,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:13:47,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 02:13:47,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:13:47,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-14 02:13:47,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:13:47,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:13:47,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:13:47,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 02:13:47,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:13:47,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-14 02:13:47,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:13:47,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:13:47,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:13:47,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-14 02:13:47,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:13:47,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:13:47,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:13:47,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-07-14 02:13:47,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:13:47,618 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2022-07-14 02:13:47,618 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 02:13:47,619 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2137100724] [2022-07-14 02:13:47,619 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2137100724] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 02:13:47,619 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 02:13:47,619 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-14 02:13:47,619 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [643537016] [2022-07-14 02:13:47,619 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 02:13:47,620 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-14 02:13:47,620 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 02:13:47,621 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-14 02:13:47,621 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-14 02:13:47,621 INFO L87 Difference]: Start difference. First operand 1697 states and 2461 transitions. Second operand has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 3 states have internal predecessors, (47), 2 states have call successors, (14), 5 states have call predecessors, (14), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-07-14 02:13:49,552 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.37s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 02:13:51,580 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 02:13:54,222 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.70s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 02:14:01,363 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 02:14:04,433 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 02:14:06,463 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 02:14:07,250 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 02:14:07,251 INFO L93 Difference]: Finished difference Result 4752 states and 6932 transitions. [2022-07-14 02:14:07,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-14 02:14:07,251 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 3 states have internal predecessors, (47), 2 states have call successors, (14), 5 states have call predecessors, (14), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 118 [2022-07-14 02:14:07,252 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 02:14:07,265 INFO L225 Difference]: With dead ends: 4752 [2022-07-14 02:14:07,265 INFO L226 Difference]: Without dead ends: 3077 [2022-07-14 02:14:07,271 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2022-07-14 02:14:07,272 INFO L413 NwaCegarLoop]: 2440 mSDtfsCounter, 3309 mSDsluCounter, 4304 mSDsCounter, 0 mSdLazyCounter, 3782 mSolverCounterSat, 1612 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3468 SdHoareTripleChecker+Valid, 6744 SdHoareTripleChecker+Invalid, 5398 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1612 IncrementalHoareTripleChecker+Valid, 3782 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.4s IncrementalHoareTripleChecker+Time [2022-07-14 02:14:07,273 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3468 Valid, 6744 Invalid, 5398 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1612 Valid, 3782 Invalid, 4 Unknown, 0 Unchecked, 19.4s Time] [2022-07-14 02:14:07,276 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3077 states. [2022-07-14 02:14:07,347 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3077 to 2764. [2022-07-14 02:14:07,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2764 states, 2085 states have (on average 1.392326139088729) internal successors, (2903), 2164 states have internal predecessors, (2903), 539 states have call successors, (539), 140 states have call predecessors, (539), 139 states have return successors, (538), 510 states have call predecessors, (538), 538 states have call successors, (538) [2022-07-14 02:14:07,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2764 states to 2764 states and 3980 transitions. [2022-07-14 02:14:07,361 INFO L78 Accepts]: Start accepts. Automaton has 2764 states and 3980 transitions. Word has length 118 [2022-07-14 02:14:07,362 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 02:14:07,362 INFO L495 AbstractCegarLoop]: Abstraction has 2764 states and 3980 transitions. [2022-07-14 02:14:07,362 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 3 states have internal predecessors, (47), 2 states have call successors, (14), 5 states have call predecessors, (14), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-07-14 02:14:07,362 INFO L276 IsEmpty]: Start isEmpty. Operand 2764 states and 3980 transitions. [2022-07-14 02:14:07,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2022-07-14 02:14:07,365 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 02:14:07,365 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2022-07-14 02:14:07,365 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-14 02:14:07,365 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 02:14:07,366 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 02:14:07,366 INFO L85 PathProgramCache]: Analyzing trace with hash 6289977, now seen corresponding path program 1 times [2022-07-14 02:14:07,366 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 02:14:07,366 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1345653311] [2022-07-14 02:14:07,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 02:14:07,366 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 02:14:07,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:14:07,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 02:14:07,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:14:07,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:14:07,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:14:07,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 02:14:07,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:14:07,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-14 02:14:07,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:14:07,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:14:07,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:14:07,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 02:14:07,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:14:07,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-14 02:14:07,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:14:07,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:14:07,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:14:07,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 02:14:07,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:14:07,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-14 02:14:07,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:14:07,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:14:07,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:14:07,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 02:14:07,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:14:07,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-14 02:14:07,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:14:07,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:14:07,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:14:07,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-14 02:14:07,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:14:07,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:14:07,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:14:07,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-14 02:14:07,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:14:07,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2022-07-14 02:14:07,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:14:07,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:14:07,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:14:07,708 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2022-07-14 02:14:07,710 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 02:14:07,711 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1345653311] [2022-07-14 02:14:07,711 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1345653311] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 02:14:07,711 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 02:14:07,711 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-14 02:14:07,712 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1129445625] [2022-07-14 02:14:07,712 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 02:14:07,714 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-14 02:14:07,714 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 02:14:07,714 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-14 02:14:07,714 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2022-07-14 02:14:07,715 INFO L87 Difference]: Start difference. First operand 2764 states and 3980 transitions. Second operand has 8 states, 8 states have (on average 7.75) internal successors, (62), 4 states have internal predecessors, (62), 3 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2022-07-14 02:14:17,782 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 02:14:18,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 02:14:18,656 INFO L93 Difference]: Finished difference Result 8869 states and 12927 transitions. [2022-07-14 02:14:18,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-07-14 02:14:18,657 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.75) internal successors, (62), 4 states have internal predecessors, (62), 3 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) Word has length 137 [2022-07-14 02:14:18,657 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 02:14:18,686 INFO L225 Difference]: With dead ends: 8869 [2022-07-14 02:14:18,686 INFO L226 Difference]: Without dead ends: 6127 [2022-07-14 02:14:18,697 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=75, Invalid=135, Unknown=0, NotChecked=0, Total=210 [2022-07-14 02:14:18,701 INFO L413 NwaCegarLoop]: 2595 mSDtfsCounter, 5697 mSDsluCounter, 5960 mSDsCounter, 0 mSdLazyCounter, 4774 mSolverCounterSat, 3013 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5954 SdHoareTripleChecker+Valid, 8555 SdHoareTripleChecker+Invalid, 7788 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3013 IncrementalHoareTripleChecker+Valid, 4774 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.5s IncrementalHoareTripleChecker+Time [2022-07-14 02:14:18,703 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5954 Valid, 8555 Invalid, 7788 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3013 Valid, 4774 Invalid, 1 Unknown, 0 Unchecked, 10.5s Time] [2022-07-14 02:14:18,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6127 states. [2022-07-14 02:14:18,853 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6127 to 5513. [2022-07-14 02:14:18,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5513 states, 4163 states have (on average 1.3922651933701657) internal successors, (5796), 4321 states have internal predecessors, (5796), 1070 states have call successors, (1070), 280 states have call predecessors, (1070), 279 states have return successors, (1071), 1013 states have call predecessors, (1071), 1069 states have call successors, (1071) [2022-07-14 02:14:18,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5513 states to 5513 states and 7937 transitions. [2022-07-14 02:14:18,882 INFO L78 Accepts]: Start accepts. Automaton has 5513 states and 7937 transitions. Word has length 137 [2022-07-14 02:14:18,883 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 02:14:18,883 INFO L495 AbstractCegarLoop]: Abstraction has 5513 states and 7937 transitions. [2022-07-14 02:14:18,884 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.75) internal successors, (62), 4 states have internal predecessors, (62), 3 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2022-07-14 02:14:18,884 INFO L276 IsEmpty]: Start isEmpty. Operand 5513 states and 7937 transitions. [2022-07-14 02:14:18,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2022-07-14 02:14:18,887 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 02:14:18,887 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2022-07-14 02:14:18,887 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-14 02:14:18,887 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 02:14:18,888 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 02:14:18,888 INFO L85 PathProgramCache]: Analyzing trace with hash 1292495911, now seen corresponding path program 1 times [2022-07-14 02:14:18,888 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 02:14:18,888 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2113531350] [2022-07-14 02:14:18,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 02:14:18,889 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 02:14:19,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:14:19,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 02:14:19,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:14:19,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:14:19,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:14:19,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 02:14:19,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:14:19,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-14 02:14:19,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:14:19,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:14:19,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:14:19,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 02:14:19,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:14:19,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-14 02:14:19,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:14:19,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:14:19,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:14:19,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 02:14:19,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:14:19,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-14 02:14:19,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:14:19,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:14:19,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:14:19,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 02:14:19,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:14:19,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-14 02:14:19,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:14:19,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:14:19,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:14:19,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-14 02:14:19,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:14:19,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:14:19,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:14:19,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-07-14 02:14:19,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:14:19,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-07-14 02:14:19,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:14:19,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:14:19,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:14:19,221 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2022-07-14 02:14:19,221 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 02:14:19,221 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2113531350] [2022-07-14 02:14:19,221 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2113531350] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 02:14:19,221 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 02:14:19,221 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-14 02:14:19,222 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [820619589] [2022-07-14 02:14:19,222 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 02:14:19,223 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-14 02:14:19,223 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 02:14:19,223 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-14 02:14:19,224 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2022-07-14 02:14:19,224 INFO L87 Difference]: Start difference. First operand 5513 states and 7937 transitions. Second operand has 8 states, 8 states have (on average 7.625) internal successors, (61), 4 states have internal predecessors, (61), 3 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2022-07-14 02:14:22,058 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 02:14:24,124 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 02:14:27,995 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 02:14:36,457 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 02:14:38,483 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 02:14:40,507 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 02:14:43,178 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 02:14:45,206 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 02:14:47,231 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 02:14:48,016 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 02:14:48,016 INFO L93 Difference]: Finished difference Result 17732 states and 25825 transitions. [2022-07-14 02:14:48,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-07-14 02:14:48,017 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.625) internal successors, (61), 4 states have internal predecessors, (61), 3 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) Word has length 136 [2022-07-14 02:14:48,018 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 02:14:48,071 INFO L225 Difference]: With dead ends: 17732 [2022-07-14 02:14:48,071 INFO L226 Difference]: Without dead ends: 12241 [2022-07-14 02:14:48,091 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=75, Invalid=135, Unknown=0, NotChecked=0, Total=210 [2022-07-14 02:14:48,092 INFO L413 NwaCegarLoop]: 2608 mSDtfsCounter, 4470 mSDsluCounter, 7843 mSDsCounter, 0 mSdLazyCounter, 6704 mSolverCounterSat, 2075 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 26.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4727 SdHoareTripleChecker+Valid, 10451 SdHoareTripleChecker+Invalid, 8788 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2075 IncrementalHoareTripleChecker+Valid, 6704 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 28.3s IncrementalHoareTripleChecker+Time [2022-07-14 02:14:48,092 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4727 Valid, 10451 Invalid, 8788 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2075 Valid, 6704 Invalid, 9 Unknown, 0 Unchecked, 28.3s Time] [2022-07-14 02:14:48,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12241 states. [2022-07-14 02:14:48,571 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12241 to 11019. [2022-07-14 02:14:48,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11019 states, 8325 states have (on average 1.3914714714714715) internal successors, (11584), 8641 states have internal predecessors, (11584), 2132 states have call successors, (2132), 562 states have call predecessors, (2132), 561 states have return successors, (2139), 2019 states have call predecessors, (2139), 2131 states have call successors, (2139) [2022-07-14 02:14:48,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11019 states to 11019 states and 15855 transitions. [2022-07-14 02:14:48,630 INFO L78 Accepts]: Start accepts. Automaton has 11019 states and 15855 transitions. Word has length 136 [2022-07-14 02:14:48,630 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 02:14:48,631 INFO L495 AbstractCegarLoop]: Abstraction has 11019 states and 15855 transitions. [2022-07-14 02:14:48,631 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.625) internal successors, (61), 4 states have internal predecessors, (61), 3 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2022-07-14 02:14:48,631 INFO L276 IsEmpty]: Start isEmpty. Operand 11019 states and 15855 transitions. [2022-07-14 02:14:48,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2022-07-14 02:14:48,635 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 02:14:48,635 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2022-07-14 02:14:48,636 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-14 02:14:48,636 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 02:14:48,637 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 02:14:48,637 INFO L85 PathProgramCache]: Analyzing trace with hash 1255905380, now seen corresponding path program 1 times [2022-07-14 02:14:48,637 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 02:14:48,639 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1019734852] [2022-07-14 02:14:48,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 02:14:48,639 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 02:14:48,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:14:48,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 02:14:48,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:14:48,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:14:48,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:14:48,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 02:14:48,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:14:48,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-14 02:14:48,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:14:48,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:14:48,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:14:48,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 02:14:48,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:14:48,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-14 02:14:48,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:14:48,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:14:48,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:14:48,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 02:14:48,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:14:48,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-14 02:14:48,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:14:48,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:14:48,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:14:48,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 02:14:48,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:14:48,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-14 02:14:48,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:14:48,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:14:48,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:14:48,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-14 02:14:48,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:14:48,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:14:48,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:14:48,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2022-07-14 02:14:48,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:14:48,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-07-14 02:14:48,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:14:48,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:14:48,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:14:48,868 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2022-07-14 02:14:48,869 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 02:14:48,869 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1019734852] [2022-07-14 02:14:48,869 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1019734852] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 02:14:48,869 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 02:14:48,869 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-14 02:14:48,869 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [520706629] [2022-07-14 02:14:48,869 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 02:14:48,870 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-14 02:14:48,870 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 02:14:48,870 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-14 02:14:48,870 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2022-07-14 02:14:48,870 INFO L87 Difference]: Start difference. First operand 11019 states and 15855 transitions. Second operand has 8 states, 8 states have (on average 7.375) internal successors, (59), 4 states have internal predecessors, (59), 3 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2022-07-14 02:14:51,960 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 02:14:53,997 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 02:14:55,894 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.29s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 02:14:57,933 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 02:15:01,429 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.92s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 02:15:10,062 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 02:15:12,107 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 02:15:14,165 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 02:15:16,197 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 02:15:16,920 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 02:15:16,921 INFO L93 Difference]: Finished difference Result 35474 states and 51613 transitions. [2022-07-14 02:15:16,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-07-14 02:15:16,932 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.375) internal successors, (59), 4 states have internal predecessors, (59), 3 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) Word has length 134 [2022-07-14 02:15:16,933 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 02:15:17,051 INFO L225 Difference]: With dead ends: 35474 [2022-07-14 02:15:17,051 INFO L226 Difference]: Without dead ends: 24477 [2022-07-14 02:15:17,096 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=75, Invalid=135, Unknown=0, NotChecked=0, Total=210 [2022-07-14 02:15:17,097 INFO L413 NwaCegarLoop]: 2693 mSDtfsCounter, 4592 mSDsluCounter, 7102 mSDsCounter, 0 mSdLazyCounter, 5856 mSolverCounterSat, 2093 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 26.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4848 SdHoareTripleChecker+Valid, 9795 SdHoareTripleChecker+Invalid, 7956 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2093 IncrementalHoareTripleChecker+Valid, 5856 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 27.4s IncrementalHoareTripleChecker+Time [2022-07-14 02:15:17,097 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4848 Valid, 9795 Invalid, 7956 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2093 Valid, 5856 Invalid, 7 Unknown, 0 Unchecked, 27.4s Time] [2022-07-14 02:15:17,119 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24477 states. [2022-07-14 02:15:17,723 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24477 to 21959. [2022-07-14 02:15:17,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21959 states, 16589 states have (on average 1.3917656278256676) internal successors, (23088), 17245 states have internal predecessors, (23088), 4248 states have call successors, (4248), 1122 states have call predecessors, (4248), 1121 states have return successors, (4271), 3999 states have call predecessors, (4271), 4247 states have call successors, (4271) [2022-07-14 02:15:17,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21959 states to 21959 states and 31607 transitions. [2022-07-14 02:15:17,835 INFO L78 Accepts]: Start accepts. Automaton has 21959 states and 31607 transitions. Word has length 134 [2022-07-14 02:15:17,836 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 02:15:17,836 INFO L495 AbstractCegarLoop]: Abstraction has 21959 states and 31607 transitions. [2022-07-14 02:15:17,836 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.375) internal successors, (59), 4 states have internal predecessors, (59), 3 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2022-07-14 02:15:17,837 INFO L276 IsEmpty]: Start isEmpty. Operand 21959 states and 31607 transitions. [2022-07-14 02:15:17,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-07-14 02:15:17,839 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 02:15:17,839 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2022-07-14 02:15:17,839 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-14 02:15:17,840 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 02:15:17,840 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 02:15:17,840 INFO L85 PathProgramCache]: Analyzing trace with hash 1567603350, now seen corresponding path program 1 times [2022-07-14 02:15:17,840 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 02:15:17,840 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [469429665] [2022-07-14 02:15:17,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 02:15:17,841 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 02:15:17,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:15:17,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 02:15:17,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:15:17,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:15:17,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:15:17,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 02:15:17,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:15:17,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-14 02:15:17,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:15:17,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:15:17,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:15:17,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 02:15:17,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:15:17,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-14 02:15:17,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:15:18,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:15:18,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:15:18,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 02:15:18,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:15:18,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-14 02:15:18,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:15:18,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:15:18,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:15:18,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 02:15:18,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:15:18,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-14 02:15:18,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:15:18,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:15:18,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:15:18,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-14 02:15:18,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:15:18,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:15:18,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:15:18,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-14 02:15:18,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:15:18,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-07-14 02:15:18,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:15:18,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:15:18,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:15:18,070 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2022-07-14 02:15:18,070 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 02:15:18,070 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [469429665] [2022-07-14 02:15:18,071 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [469429665] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 02:15:18,071 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 02:15:18,071 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-14 02:15:18,071 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1728707837] [2022-07-14 02:15:18,071 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 02:15:18,072 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-14 02:15:18,072 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 02:15:18,073 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-14 02:15:18,073 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2022-07-14 02:15:18,073 INFO L87 Difference]: Start difference. First operand 21959 states and 31607 transitions. Second operand has 8 states, 8 states have (on average 7.5) internal successors, (60), 4 states have internal predecessors, (60), 3 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2022-07-14 02:15:22,385 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 02:15:29,348 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.34s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 02:15:31,700 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 02:15:33,272 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 02:15:34,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 02:15:34,199 INFO L93 Difference]: Finished difference Result 70263 states and 102205 transitions. [2022-07-14 02:15:34,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-07-14 02:15:34,201 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.5) internal successors, (60), 4 states have internal predecessors, (60), 3 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) Word has length 135 [2022-07-14 02:15:34,201 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 02:15:34,411 INFO L225 Difference]: With dead ends: 70263 [2022-07-14 02:15:34,411 INFO L226 Difference]: Without dead ends: 48326 [2022-07-14 02:15:34,622 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=75, Invalid=135, Unknown=0, NotChecked=0, Total=210 [2022-07-14 02:15:34,622 INFO L413 NwaCegarLoop]: 2595 mSDtfsCounter, 5688 mSDsluCounter, 5969 mSDsCounter, 0 mSdLazyCounter, 4761 mSolverCounterSat, 3015 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5946 SdHoareTripleChecker+Valid, 8564 SdHoareTripleChecker+Invalid, 7778 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3015 IncrementalHoareTripleChecker+Valid, 4761 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.9s IncrementalHoareTripleChecker+Time [2022-07-14 02:15:34,622 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5946 Valid, 8564 Invalid, 7778 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3015 Valid, 4761 Invalid, 2 Unknown, 0 Unchecked, 14.9s Time] [2022-07-14 02:15:34,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48326 states. [2022-07-14 02:15:35,779 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48326 to 43444. [2022-07-14 02:15:35,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43444 states, 32781 states have (on average 1.3899820017693176) internal successors, (45565), 34079 states have internal predecessors, (45565), 8426 states have call successors, (8426), 2237 states have call predecessors, (8426), 2236 states have return successors, (8489), 7937 states have call predecessors, (8489), 8425 states have call successors, (8489) [2022-07-14 02:15:35,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43444 states to 43444 states and 62480 transitions. [2022-07-14 02:15:35,989 INFO L78 Accepts]: Start accepts. Automaton has 43444 states and 62480 transitions. Word has length 135 [2022-07-14 02:15:35,990 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 02:15:35,990 INFO L495 AbstractCegarLoop]: Abstraction has 43444 states and 62480 transitions. [2022-07-14 02:15:35,990 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.5) internal successors, (60), 4 states have internal predecessors, (60), 3 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2022-07-14 02:15:35,990 INFO L276 IsEmpty]: Start isEmpty. Operand 43444 states and 62480 transitions. [2022-07-14 02:15:35,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2022-07-14 02:15:35,993 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 02:15:35,993 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 02:15:35,993 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-07-14 02:15:35,993 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 02:15:35,994 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 02:15:35,994 INFO L85 PathProgramCache]: Analyzing trace with hash 1446031472, now seen corresponding path program 1 times [2022-07-14 02:15:35,994 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 02:15:35,994 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [732485282] [2022-07-14 02:15:35,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 02:15:35,994 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 02:15:36,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:15:36,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 02:15:36,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:15:36,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:15:36,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:15:36,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 02:15:36,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:15:36,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-14 02:15:36,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:15:36,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:15:36,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:15:36,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 02:15:36,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:15:36,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-14 02:15:36,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:15:36,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:15:36,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:15:36,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 02:15:36,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:15:36,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-14 02:15:36,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:15:36,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:15:36,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:15:36,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 02:15:36,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:15:36,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-14 02:15:36,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:15:36,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:15:36,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:15:36,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-14 02:15:36,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:15:36,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:15:36,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:15:36,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-07-14 02:15:36,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:15:36,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-14 02:15:36,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:15:36,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2022-07-14 02:15:36,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:15:36,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:15:36,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:15:36,514 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2022-07-14 02:15:36,514 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 02:15:36,514 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [732485282] [2022-07-14 02:15:36,514 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [732485282] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-14 02:15:36,514 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1339354144] [2022-07-14 02:15:36,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 02:15:36,515 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-14 02:15:36,515 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 02:15:36,516 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-14 02:15:36,517 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-07-14 02:15:37,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:15:37,361 INFO L263 TraceCheckSpWp]: Trace formula consists of 2191 conjuncts, 7 conjunts are in the unsatisfiable core [2022-07-14 02:15:37,376 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 02:15:37,501 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2022-07-14 02:15:37,501 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 02:15:37,502 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1339354144] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 02:15:37,502 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-14 02:15:37,502 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [11] total 16 [2022-07-14 02:15:37,502 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1389819716] [2022-07-14 02:15:37,502 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 02:15:37,503 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-14 02:15:37,503 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 02:15:37,503 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-14 02:15:37,503 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=201, Unknown=0, NotChecked=0, Total=240 [2022-07-14 02:15:37,504 INFO L87 Difference]: Start difference. First operand 43444 states and 62480 transitions. Second operand has 7 states, 7 states have (on average 10.0) internal successors, (70), 5 states have internal predecessors, (70), 3 states have call successors, (17), 3 states have call predecessors, (17), 3 states have return successors, (13), 3 states have call predecessors, (13), 2 states have call successors, (13) [2022-07-14 02:15:39,053 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 02:15:39,053 INFO L93 Difference]: Finished difference Result 108704 states and 156292 transitions. [2022-07-14 02:15:39,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-07-14 02:15:39,053 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.0) internal successors, (70), 5 states have internal predecessors, (70), 3 states have call successors, (17), 3 states have call predecessors, (17), 3 states have return successors, (13), 3 states have call predecessors, (13), 2 states have call successors, (13) Word has length 147 [2022-07-14 02:15:39,054 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 02:15:39,328 INFO L225 Difference]: With dead ends: 108704 [2022-07-14 02:15:39,328 INFO L226 Difference]: Without dead ends: 65282 [2022-07-14 02:15:39,578 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 202 GetRequests, 181 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=80, Invalid=426, Unknown=0, NotChecked=0, Total=506 [2022-07-14 02:15:39,579 INFO L413 NwaCegarLoop]: 3423 mSDtfsCounter, 2481 mSDsluCounter, 16113 mSDsCounter, 0 mSdLazyCounter, 80 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2485 SdHoareTripleChecker+Valid, 19536 SdHoareTripleChecker+Invalid, 83 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 80 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-14 02:15:39,580 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2485 Valid, 19536 Invalid, 83 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 80 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-14 02:15:39,622 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65282 states. [2022-07-14 02:15:41,326 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65282 to 64987. [2022-07-14 02:15:41,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64987 states, 49031 states have (on average 1.3901205359874365) internal successors, (68159), 50995 states have internal predecessors, (68159), 12596 states have call successors, (12596), 3344 states have call predecessors, (12596), 3359 states have return successors, (12739), 11859 states have call predecessors, (12739), 12595 states have call successors, (12739) [2022-07-14 02:15:41,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64987 states to 64987 states and 93494 transitions. [2022-07-14 02:15:41,942 INFO L78 Accepts]: Start accepts. Automaton has 64987 states and 93494 transitions. Word has length 147 [2022-07-14 02:15:41,942 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 02:15:41,943 INFO L495 AbstractCegarLoop]: Abstraction has 64987 states and 93494 transitions. [2022-07-14 02:15:41,943 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.0) internal successors, (70), 5 states have internal predecessors, (70), 3 states have call successors, (17), 3 states have call predecessors, (17), 3 states have return successors, (13), 3 states have call predecessors, (13), 2 states have call successors, (13) [2022-07-14 02:15:41,943 INFO L276 IsEmpty]: Start isEmpty. Operand 64987 states and 93494 transitions. [2022-07-14 02:15:41,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2022-07-14 02:15:41,946 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 02:15:41,947 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 02:15:41,995 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-07-14 02:15:42,163 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-14 02:15:42,164 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 02:15:42,164 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 02:15:42,165 INFO L85 PathProgramCache]: Analyzing trace with hash 1401527363, now seen corresponding path program 1 times [2022-07-14 02:15:42,165 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 02:15:42,165 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1839439065] [2022-07-14 02:15:42,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 02:15:42,165 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 02:15:42,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:15:42,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 02:15:42,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:15:42,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:15:42,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:15:42,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 02:15:42,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:15:42,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-14 02:15:42,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:15:42,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:15:42,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:15:42,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 02:15:42,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:15:42,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-14 02:15:42,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:15:42,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:15:42,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:15:42,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 02:15:42,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:15:42,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-14 02:15:42,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:15:42,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:15:42,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:15:42,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 02:15:42,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:15:42,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-14 02:15:42,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:15:42,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:15:42,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:15:42,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-14 02:15:42,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:15:42,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:15:42,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:15:42,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-07-14 02:15:42,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:15:42,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-14 02:15:42,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:15:42,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-07-14 02:15:42,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:15:42,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:15:42,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:15:42,451 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2022-07-14 02:15:42,452 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 02:15:42,452 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1839439065] [2022-07-14 02:15:42,452 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1839439065] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-14 02:15:42,452 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [751010597] [2022-07-14 02:15:42,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 02:15:42,452 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-14 02:15:42,452 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 02:15:42,454 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-14 02:15:42,484 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-07-14 02:15:43,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:15:43,105 INFO L263 TraceCheckSpWp]: Trace formula consists of 2193 conjuncts, 7 conjunts are in the unsatisfiable core [2022-07-14 02:15:43,110 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 02:15:43,192 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2022-07-14 02:15:43,192 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 02:15:43,192 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [751010597] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 02:15:43,192 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-14 02:15:43,192 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [12] total 17 [2022-07-14 02:15:43,193 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [986725081] [2022-07-14 02:15:43,193 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 02:15:43,193 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-14 02:15:43,193 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 02:15:43,193 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-14 02:15:43,194 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=231, Unknown=0, NotChecked=0, Total=272 [2022-07-14 02:15:43,194 INFO L87 Difference]: Start difference. First operand 64987 states and 93494 transitions. Second operand has 7 states, 7 states have (on average 10.142857142857142) internal successors, (71), 5 states have internal predecessors, (71), 3 states have call successors, (17), 3 states have call predecessors, (17), 3 states have return successors, (13), 3 states have call predecessors, (13), 2 states have call successors, (13) [2022-07-14 02:15:45,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 02:15:45,515 INFO L93 Difference]: Finished difference Result 151896 states and 218412 transitions. [2022-07-14 02:15:45,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-07-14 02:15:45,520 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.142857142857142) internal successors, (71), 5 states have internal predecessors, (71), 3 states have call successors, (17), 3 states have call predecessors, (17), 3 states have return successors, (13), 3 states have call predecessors, (13), 2 states have call successors, (13) Word has length 148 [2022-07-14 02:15:45,520 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 02:15:46,033 INFO L225 Difference]: With dead ends: 151896 [2022-07-14 02:15:46,033 INFO L226 Difference]: Without dead ends: 86931 [2022-07-14 02:15:46,161 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 203 GetRequests, 181 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=82, Invalid=470, Unknown=0, NotChecked=0, Total=552 [2022-07-14 02:15:46,162 INFO L413 NwaCegarLoop]: 3573 mSDtfsCounter, 2481 mSDsluCounter, 16701 mSDsCounter, 0 mSdLazyCounter, 82 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2485 SdHoareTripleChecker+Valid, 20274 SdHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 82 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-14 02:15:46,162 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2485 Valid, 20274 Invalid, 84 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 82 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-14 02:15:46,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86931 states. [2022-07-14 02:15:48,664 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86931 to 86594. [2022-07-14 02:15:48,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 86594 states, 65321 states have (on average 1.3899511642503941) internal successors, (90793), 67983 states have internal predecessors, (90793), 16766 states have call successors, (16766), 4451 states have call predecessors, (16766), 4506 states have return successors, (17013), 15773 states have call predecessors, (17013), 16765 states have call successors, (17013) [2022-07-14 02:15:49,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86594 states to 86594 states and 124572 transitions. [2022-07-14 02:15:49,050 INFO L78 Accepts]: Start accepts. Automaton has 86594 states and 124572 transitions. Word has length 148 [2022-07-14 02:15:49,051 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 02:15:49,051 INFO L495 AbstractCegarLoop]: Abstraction has 86594 states and 124572 transitions. [2022-07-14 02:15:49,051 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.142857142857142) internal successors, (71), 5 states have internal predecessors, (71), 3 states have call successors, (17), 3 states have call predecessors, (17), 3 states have return successors, (13), 3 states have call predecessors, (13), 2 states have call successors, (13) [2022-07-14 02:15:49,051 INFO L276 IsEmpty]: Start isEmpty. Operand 86594 states and 124572 transitions. [2022-07-14 02:15:49,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2022-07-14 02:15:49,055 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 02:15:49,056 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 02:15:49,079 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-07-14 02:15:49,275 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2022-07-14 02:15:49,275 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 02:15:49,275 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 02:15:49,276 INFO L85 PathProgramCache]: Analyzing trace with hash 498772759, now seen corresponding path program 1 times [2022-07-14 02:15:49,276 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 02:15:49,276 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [297612205] [2022-07-14 02:15:49,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 02:15:49,276 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 02:15:49,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:15:49,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 02:15:49,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:15:49,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:15:49,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:15:49,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 02:15:49,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:15:49,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-14 02:15:49,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:15:49,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:15:49,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:15:49,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 02:15:49,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:15:49,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-14 02:15:49,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:15:49,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:15:49,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:15:49,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 02:15:49,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:15:49,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-14 02:15:49,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:15:49,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:15:49,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:15:49,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 02:15:49,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:15:49,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-14 02:15:49,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:15:49,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:15:49,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:15:49,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-14 02:15:49,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:15:49,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:15:49,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:15:49,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-14 02:15:49,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:15:49,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-07-14 02:15:49,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:15:49,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-07-14 02:15:49,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:15:49,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:15:49,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:15:49,895 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2022-07-14 02:15:49,896 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 02:15:49,896 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [297612205] [2022-07-14 02:15:49,896 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [297612205] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-14 02:15:49,896 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1951710101] [2022-07-14 02:15:49,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 02:15:49,896 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-14 02:15:49,897 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 02:15:49,898 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-14 02:15:49,899 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-07-14 02:15:50,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:15:50,573 INFO L263 TraceCheckSpWp]: Trace formula consists of 2195 conjuncts, 7 conjunts are in the unsatisfiable core [2022-07-14 02:15:50,579 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 02:15:50,660 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2022-07-14 02:15:50,660 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 02:15:50,661 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1951710101] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 02:15:50,661 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-14 02:15:50,661 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [12] total 17 [2022-07-14 02:15:50,661 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [628366609] [2022-07-14 02:15:50,661 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 02:15:50,662 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-14 02:15:50,662 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 02:15:50,662 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-14 02:15:50,662 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=231, Unknown=0, NotChecked=0, Total=272 [2022-07-14 02:15:50,662 INFO L87 Difference]: Start difference. First operand 86594 states and 124572 transitions. Second operand has 7 states, 7 states have (on average 10.285714285714286) internal successors, (72), 5 states have internal predecessors, (72), 3 states have call successors, (17), 3 states have call predecessors, (17), 3 states have return successors, (13), 3 states have call predecessors, (13), 2 states have call successors, (13) [2022-07-14 02:15:53,403 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 02:15:53,404 INFO L93 Difference]: Finished difference Result 195088 states and 280532 transitions. [2022-07-14 02:15:53,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-07-14 02:15:53,404 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.285714285714286) internal successors, (72), 5 states have internal predecessors, (72), 3 states have call successors, (17), 3 states have call predecessors, (17), 3 states have return successors, (13), 3 states have call predecessors, (13), 2 states have call successors, (13) Word has length 149 [2022-07-14 02:15:53,405 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 02:15:54,124 INFO L225 Difference]: With dead ends: 195088 [2022-07-14 02:15:54,124 INFO L226 Difference]: Without dead ends: 108516 [2022-07-14 02:15:54,455 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 204 GetRequests, 182 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=82, Invalid=470, Unknown=0, NotChecked=0, Total=552 [2022-07-14 02:15:54,457 INFO L413 NwaCegarLoop]: 3637 mSDtfsCounter, 2481 mSDsluCounter, 16957 mSDsCounter, 0 mSdLazyCounter, 82 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2485 SdHoareTripleChecker+Valid, 20594 SdHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 82 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-14 02:15:54,458 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2485 Valid, 20594 Invalid, 84 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 82 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-14 02:15:54,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108516 states. [2022-07-14 02:15:57,279 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108516 to 86638. [2022-07-14 02:15:57,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 86638 states, 65353 states have (on average 1.3897602252383212) internal successors, (90825), 68019 states have internal predecessors, (90825), 16766 states have call successors, (16766), 4451 states have call predecessors, (16766), 4518 states have return successors, (17031), 15781 states have call predecessors, (17031), 16765 states have call successors, (17031) [2022-07-14 02:15:58,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86638 states to 86638 states and 124622 transitions. [2022-07-14 02:15:58,093 INFO L78 Accepts]: Start accepts. Automaton has 86638 states and 124622 transitions. Word has length 149 [2022-07-14 02:15:58,094 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 02:15:58,094 INFO L495 AbstractCegarLoop]: Abstraction has 86638 states and 124622 transitions. [2022-07-14 02:15:58,095 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.285714285714286) internal successors, (72), 5 states have internal predecessors, (72), 3 states have call successors, (17), 3 states have call predecessors, (17), 3 states have return successors, (13), 3 states have call predecessors, (13), 2 states have call successors, (13) [2022-07-14 02:15:58,095 INFO L276 IsEmpty]: Start isEmpty. Operand 86638 states and 124622 transitions. [2022-07-14 02:15:58,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2022-07-14 02:15:58,099 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 02:15:58,100 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 02:15:58,125 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-07-14 02:15:58,323 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-14 02:15:58,323 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 02:15:58,323 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 02:15:58,323 INFO L85 PathProgramCache]: Analyzing trace with hash -1239943414, now seen corresponding path program 1 times [2022-07-14 02:15:58,323 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 02:15:58,324 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1507729226] [2022-07-14 02:15:58,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 02:15:58,324 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 02:15:58,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:15:58,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 02:15:58,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:15:58,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:15:58,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:15:58,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 02:15:58,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:15:58,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-14 02:15:58,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:15:58,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:15:58,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:15:58,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 02:15:58,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:15:58,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-14 02:15:58,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:15:58,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:15:58,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:15:58,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 02:15:58,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:15:58,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-14 02:15:58,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:15:58,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:15:58,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:15:58,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 02:15:58,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:15:58,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-14 02:15:58,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:15:58,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:15:58,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:15:58,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-14 02:15:58,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:15:58,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:15:58,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:15:58,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-07-14 02:15:58,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:15:58,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-07-14 02:15:58,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:15:58,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-14 02:15:58,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:15:58,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:15:58,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:15:58,714 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2022-07-14 02:15:58,715 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 02:15:58,715 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1507729226] [2022-07-14 02:15:58,715 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1507729226] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-14 02:15:58,715 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [968290221] [2022-07-14 02:15:58,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 02:15:58,715 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-14 02:15:58,715 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 02:15:58,716 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-14 02:15:58,747 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-07-14 02:15:59,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:15:59,407 INFO L263 TraceCheckSpWp]: Trace formula consists of 2197 conjuncts, 7 conjunts are in the unsatisfiable core [2022-07-14 02:15:59,413 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 02:15:59,508 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2022-07-14 02:15:59,508 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 02:15:59,508 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [968290221] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 02:15:59,508 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-14 02:15:59,509 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [12] total 17 [2022-07-14 02:15:59,509 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [244060162] [2022-07-14 02:15:59,509 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 02:15:59,509 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-14 02:15:59,509 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 02:15:59,510 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-14 02:15:59,510 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=231, Unknown=0, NotChecked=0, Total=272 [2022-07-14 02:15:59,510 INFO L87 Difference]: Start difference. First operand 86638 states and 124622 transitions. Second operand has 7 states, 7 states have (on average 10.428571428571429) internal successors, (73), 5 states have internal predecessors, (73), 3 states have call successors, (17), 3 states have call predecessors, (17), 3 states have return successors, (13), 3 states have call predecessors, (13), 2 states have call successors, (13) [2022-07-14 02:16:02,812 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 02:16:02,812 INFO L93 Difference]: Finished difference Result 195148 states and 280598 transitions. [2022-07-14 02:16:02,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-07-14 02:16:02,813 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.428571428571429) internal successors, (73), 5 states have internal predecessors, (73), 3 states have call successors, (17), 3 states have call predecessors, (17), 3 states have return successors, (13), 3 states have call predecessors, (13), 2 states have call successors, (13) Word has length 150 [2022-07-14 02:16:02,815 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 02:16:03,784 INFO L225 Difference]: With dead ends: 195148 [2022-07-14 02:16:03,784 INFO L226 Difference]: Without dead ends: 108532 [2022-07-14 02:16:04,022 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 205 GetRequests, 183 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=82, Invalid=470, Unknown=0, NotChecked=0, Total=552 [2022-07-14 02:16:04,023 INFO L413 NwaCegarLoop]: 3607 mSDtfsCounter, 2481 mSDsluCounter, 16837 mSDsCounter, 0 mSdLazyCounter, 82 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2485 SdHoareTripleChecker+Valid, 20444 SdHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 82 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-14 02:16:04,023 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2485 Valid, 20444 Invalid, 84 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 82 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-14 02:16:04,104 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108532 states. [2022-07-14 02:16:06,840 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108532 to 86664. [2022-07-14 02:16:06,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 86664 states, 65373 states have (on average 1.3896409832805592) internal successors, (90845), 68037 states have internal predecessors, (90845), 16766 states have call successors, (16766), 4451 states have call predecessors, (16766), 4524 states have return successors, (17037), 15789 states have call predecessors, (17037), 16765 states have call successors, (17037) [2022-07-14 02:16:07,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86664 states to 86664 states and 124648 transitions. [2022-07-14 02:16:07,278 INFO L78 Accepts]: Start accepts. Automaton has 86664 states and 124648 transitions. Word has length 150 [2022-07-14 02:16:07,279 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 02:16:07,279 INFO L495 AbstractCegarLoop]: Abstraction has 86664 states and 124648 transitions. [2022-07-14 02:16:07,279 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.428571428571429) internal successors, (73), 5 states have internal predecessors, (73), 3 states have call successors, (17), 3 states have call predecessors, (17), 3 states have return successors, (13), 3 states have call predecessors, (13), 2 states have call successors, (13) [2022-07-14 02:16:07,279 INFO L276 IsEmpty]: Start isEmpty. Operand 86664 states and 124648 transitions. [2022-07-14 02:16:07,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-07-14 02:16:07,284 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 02:16:07,284 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 02:16:07,321 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-07-14 02:16:07,506 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-14 02:16:07,506 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 02:16:07,507 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 02:16:07,507 INFO L85 PathProgramCache]: Analyzing trace with hash 1984849153, now seen corresponding path program 1 times [2022-07-14 02:16:07,507 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 02:16:07,507 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [489602985] [2022-07-14 02:16:07,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 02:16:07,507 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 02:16:07,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:16:07,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 02:16:07,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:16:07,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:16:07,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:16:07,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 02:16:07,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:16:07,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-14 02:16:07,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:16:07,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:16:07,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:16:07,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 02:16:07,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:16:07,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-14 02:16:07,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:16:07,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:16:07,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:16:07,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 02:16:07,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:16:07,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-14 02:16:07,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:16:07,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:16:07,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:16:07,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 02:16:07,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:16:07,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-14 02:16:07,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:16:07,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:16:07,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:16:07,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-14 02:16:07,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:16:07,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:16:07,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:16:07,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-07-14 02:16:07,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:16:07,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-07-14 02:16:07,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:16:07,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-14 02:16:07,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:16:07,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-07-14 02:16:07,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:16:07,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:16:07,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:16:07,843 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 19 proven. 8 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2022-07-14 02:16:07,843 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 02:16:07,843 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [489602985] [2022-07-14 02:16:07,844 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [489602985] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-14 02:16:07,844 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [457754027] [2022-07-14 02:16:07,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 02:16:07,844 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-14 02:16:07,844 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 02:16:07,860 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-14 02:16:07,899 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-07-14 02:16:08,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:16:08,560 INFO L263 TraceCheckSpWp]: Trace formula consists of 2312 conjuncts, 12 conjunts are in the unsatisfiable core [2022-07-14 02:16:08,564 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 02:16:08,733 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 14 proven. 7 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2022-07-14 02:16:08,733 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-14 02:16:08,990 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 17 proven. 3 refuted. 0 times theorem prover too weak. 101 trivial. 0 not checked. [2022-07-14 02:16:08,990 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [457754027] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-14 02:16:08,990 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-14 02:16:08,991 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 10, 10] total 23 [2022-07-14 02:16:08,991 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [926874089] [2022-07-14 02:16:08,991 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-14 02:16:08,991 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2022-07-14 02:16:08,991 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 02:16:08,992 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2022-07-14 02:16:08,992 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=445, Unknown=0, NotChecked=0, Total=506 [2022-07-14 02:16:08,992 INFO L87 Difference]: Start difference. First operand 86664 states and 124648 transitions. Second operand has 23 states, 23 states have (on average 6.086956521739131) internal successors, (140), 15 states have internal predecessors, (140), 5 states have call successors, (33), 8 states have call predecessors, (33), 7 states have return successors, (26), 6 states have call predecessors, (26), 5 states have call successors, (26) [2022-07-14 02:16:15,428 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 02:16:17,465 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 02:16:22,756 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 02:16:24,393 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.64s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 02:16:35,479 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 02:16:51,558 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 02:16:53,212 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.65s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 02:17:06,174 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 02:17:08,229 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 02:17:11,713 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 02:17:14,454 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 02:17:16,478 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 02:17:18,660 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 02:17:27,431 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.55s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 02:17:32,737 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.94s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 02:17:34,127 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.39s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 02:17:36,867 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.34s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 02:17:38,646 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.78s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 02:17:40,816 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []