./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--hid--usbhid--usbhid.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6c24879c Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--hid--usbhid--usbhid.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 ce994d1a73c37780cf760e0a26dafcaa4c1158119509e83a0962528ef5890c5e --- Real Ultimate output --- This is Ultimate 0.2.2-?-6c24879 [2022-07-12 13:34:22,792 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-12 13:34:22,794 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-12 13:34:22,828 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-12 13:34:22,829 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-12 13:34:22,830 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-12 13:34:22,831 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-12 13:34:22,832 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-12 13:34:22,834 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-12 13:34:22,837 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-12 13:34:22,837 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-12 13:34:22,839 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-12 13:34:22,839 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-12 13:34:22,840 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-12 13:34:22,841 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-12 13:34:22,843 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-12 13:34:22,843 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-12 13:34:22,844 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-12 13:34:22,845 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-12 13:34:22,849 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-12 13:34:22,850 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-12 13:34:22,851 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-12 13:34:22,851 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-12 13:34:22,852 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-12 13:34:22,853 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-12 13:34:22,858 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-12 13:34:22,858 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-12 13:34:22,858 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-12 13:34:22,859 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-12 13:34:22,859 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-12 13:34:22,860 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-12 13:34:22,860 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-12 13:34:22,861 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-12 13:34:22,861 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-12 13:34:22,862 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-12 13:34:22,862 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-12 13:34:22,863 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-12 13:34:22,863 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-12 13:34:22,863 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-12 13:34:22,863 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-12 13:34:22,864 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-12 13:34:22,865 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-12 13:34:22,866 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-12 13:34:22,887 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-12 13:34:22,888 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-12 13:34:22,888 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-12 13:34:22,888 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-12 13:34:22,889 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-12 13:34:22,889 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-12 13:34:22,889 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-12 13:34:22,890 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-12 13:34:22,890 INFO L138 SettingsManager]: * Use SBE=true [2022-07-12 13:34:22,890 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-12 13:34:22,891 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-12 13:34:22,891 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-12 13:34:22,891 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-12 13:34:22,891 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-12 13:34:22,891 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-12 13:34:22,891 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-12 13:34:22,891 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-12 13:34:22,892 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-12 13:34:22,892 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-12 13:34:22,892 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-12 13:34:22,892 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-12 13:34:22,892 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 13:34:22,892 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-12 13:34:22,892 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-12 13:34:22,893 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-12 13:34:22,893 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-12 13:34:22,893 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-12 13:34:22,893 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-12 13:34:22,893 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-12 13:34:22,893 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-12 13:34:22,893 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ce994d1a73c37780cf760e0a26dafcaa4c1158119509e83a0962528ef5890c5e [2022-07-12 13:34:23,043 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-12 13:34:23,055 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-12 13:34:23,057 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-12 13:34:23,057 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-12 13:34:23,058 INFO L275 PluginConnector]: CDTParser initialized [2022-07-12 13:34:23,058 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--hid--usbhid--usbhid.ko-entry_point.cil.out.i [2022-07-12 13:34:23,124 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2e3760ca1/c417f5cf6df0408293fc65a39c3e6243/FLAG6f60a0b95 [2022-07-12 13:34:23,746 INFO L306 CDTParser]: Found 1 translation units. [2022-07-12 13:34:23,747 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--hid--usbhid--usbhid.ko-entry_point.cil.out.i [2022-07-12 13:34:23,798 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2e3760ca1/c417f5cf6df0408293fc65a39c3e6243/FLAG6f60a0b95 [2022-07-12 13:34:23,856 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2e3760ca1/c417f5cf6df0408293fc65a39c3e6243 [2022-07-12 13:34:23,859 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-12 13:34:23,861 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-12 13:34:23,864 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-12 13:34:23,864 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-12 13:34:23,868 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-12 13:34:23,868 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 01:34:23" (1/1) ... [2022-07-12 13:34:23,869 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@14a9169e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 01:34:23, skipping insertion in model container [2022-07-12 13:34:23,869 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 01:34:23" (1/1) ... [2022-07-12 13:34:23,875 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-12 13:34:23,979 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-12 13:34:25,769 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--hid--usbhid--usbhid.ko-entry_point.cil.out.i[374492,374505] [2022-07-12 13:34:25,906 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 13:34:25,946 INFO L203 MainTranslator]: Completed pre-run [2022-07-12 13:34:26,245 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--hid--usbhid--usbhid.ko-entry_point.cil.out.i[374492,374505] [2022-07-12 13:34:26,272 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 13:34:26,362 INFO L208 MainTranslator]: Completed translation [2022-07-12 13:34:26,363 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 01:34:26 WrapperNode [2022-07-12 13:34:26,363 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-12 13:34:26,365 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-12 13:34:26,365 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-12 13:34:26,365 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-12 13:34:26,370 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 01:34:26" (1/1) ... [2022-07-12 13:34:26,488 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 01:34:26" (1/1) ... [2022-07-12 13:34:26,686 INFO L137 Inliner]: procedures = 495, calls = 4443, calls flagged for inlining = 161, calls inlined = 145, statements flattened = 7991 [2022-07-12 13:34:26,687 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-12 13:34:26,688 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-12 13:34:26,688 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-12 13:34:26,688 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-12 13:34:26,694 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 01:34:26" (1/1) ... [2022-07-12 13:34:26,694 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 01:34:26" (1/1) ... [2022-07-12 13:34:26,737 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 01:34:26" (1/1) ... [2022-07-12 13:34:26,737 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 01:34:26" (1/1) ... [2022-07-12 13:34:26,856 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 01:34:26" (1/1) ... [2022-07-12 13:34:26,881 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 01:34:26" (1/1) ... [2022-07-12 13:34:26,966 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 01:34:26" (1/1) ... [2022-07-12 13:34:27,003 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-12 13:34:27,004 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-12 13:34:27,004 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-12 13:34:27,005 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-12 13:34:27,005 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 01:34:26" (1/1) ... [2022-07-12 13:34:27,011 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 13:34:27,018 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-12 13:34:27,044 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) [2022-07-12 13:34:27,049 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 [2022-07-12 13:34:27,073 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2022-07-12 13:34:27,074 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2022-07-12 13:34:27,074 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2022-07-12 13:34:27,074 INFO L130 BoogieDeclarations]: Found specification of procedure pidff_request_effect_upload [2022-07-12 13:34:27,074 INFO L138 BoogieDeclarations]: Found implementation of procedure pidff_request_effect_upload [2022-07-12 13:34:27,074 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-12 13:34:27,074 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-12 13:34:27,074 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_int [2022-07-12 13:34:27,075 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_int [2022-07-12 13:34:27,075 INFO L130 BoogieDeclarations]: Found specification of procedure pidff_playback_pid [2022-07-12 13:34:27,075 INFO L138 BoogieDeclarations]: Found implementation of procedure pidff_playback_pid [2022-07-12 13:34:27,075 INFO L130 BoogieDeclarations]: Found specification of procedure pidff_find_special_field [2022-07-12 13:34:27,075 INFO L138 BoogieDeclarations]: Found implementation of procedure pidff_find_special_field [2022-07-12 13:34:27,075 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-12 13:34:27,075 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-12 13:34:27,075 INFO L130 BoogieDeclarations]: Found specification of procedure hid_reset [2022-07-12 13:34:27,075 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_reset [2022-07-12 13:34:27,076 INFO L130 BoogieDeclarations]: Found specification of procedure usb_block_urb [2022-07-12 13:34:27,076 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_block_urb [2022-07-12 13:34:27,076 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_1 [2022-07-12 13:34:27,076 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_1 [2022-07-12 13:34:27,076 INFO L130 BoogieDeclarations]: Found specification of procedure pidff_check_usage [2022-07-12 13:34:27,076 INFO L138 BoogieDeclarations]: Found implementation of procedure pidff_check_usage [2022-07-12 13:34:27,076 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_get_interface [2022-07-12 13:34:27,076 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_get_interface [2022-07-12 13:34:27,077 INFO L130 BoogieDeclarations]: Found specification of procedure __usb_get_extra_descriptor [2022-07-12 13:34:27,077 INFO L138 BoogieDeclarations]: Found implementation of procedure __usb_get_extra_descriptor [2022-07-12 13:34:27,077 INFO L130 BoogieDeclarations]: Found specification of procedure usbhid_init_reports [2022-07-12 13:34:27,077 INFO L138 BoogieDeclarations]: Found implementation of procedure usbhid_init_reports [2022-07-12 13:34:27,077 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_in [2022-07-12 13:34:27,077 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_in [2022-07-12 13:34:27,077 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-07-12 13:34:27,077 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-07-12 13:34:27,077 INFO L130 BoogieDeclarations]: Found specification of procedure hid_suspend [2022-07-12 13:34:27,078 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_suspend [2022-07-12 13:34:27,078 INFO L130 BoogieDeclarations]: Found specification of procedure pidff_erase_pid [2022-07-12 13:34:27,078 INFO L138 BoogieDeclarations]: Found implementation of procedure pidff_erase_pid [2022-07-12 13:34:27,078 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-07-12 13:34:27,078 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-07-12 13:34:27,078 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-07-12 13:34:27,078 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unpoison_urb [2022-07-12 13:34:27,079 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unpoison_urb [2022-07-12 13:34:27,079 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_coherent [2022-07-12 13:34:27,079 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_coherent [2022-07-12 13:34:27,079 INFO L130 BoogieDeclarations]: Found specification of procedure hiddev_devnode [2022-07-12 13:34:27,079 INFO L138 BoogieDeclarations]: Found implementation of procedure hiddev_devnode [2022-07-12 13:34:27,079 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-12 13:34:27,079 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-12 13:34:27,079 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-07-12 13:34:27,080 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-07-12 13:34:27,080 INFO L130 BoogieDeclarations]: Found specification of procedure hid_submit_out [2022-07-12 13:34:27,080 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_submit_out [2022-07-12 13:34:27,080 INFO L130 BoogieDeclarations]: Found specification of procedure hid_resume_common [2022-07-12 13:34:27,080 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_resume_common [2022-07-12 13:34:27,080 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-12 13:34:27,081 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_thread_lock_of_hiddev_list [2022-07-12 13:34:27,081 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_thread_lock_of_hiddev_list [2022-07-12 13:34:27,081 INFO L130 BoogieDeclarations]: Found specification of procedure hid_output_report [2022-07-12 13:34:27,082 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_output_report [2022-07-12 13:34:27,082 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2022-07-12 13:34:27,082 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2022-07-12 13:34:27,082 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-07-12 13:34:27,082 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2022-07-12 13:34:27,083 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-07-12 13:34:27,083 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-07-12 13:34:27,083 INFO L130 BoogieDeclarations]: Found specification of procedure usbhid_power [2022-07-12 13:34:27,083 INFO L138 BoogieDeclarations]: Found implementation of procedure usbhid_power [2022-07-12 13:34:27,083 INFO L130 BoogieDeclarations]: Found specification of procedure hid_free_buffers [2022-07-12 13:34:27,083 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_free_buffers [2022-07-12 13:34:27,083 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-07-12 13:34:27,083 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-07-12 13:34:27,083 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-07-12 13:34:27,084 INFO L130 BoogieDeclarations]: Found specification of procedure hid_pidff_init [2022-07-12 13:34:27,084 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_pidff_init [2022-07-12 13:34:27,084 INFO L130 BoogieDeclarations]: Found specification of procedure hid_find_max_report [2022-07-12 13:34:27,084 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_find_max_report [2022-07-12 13:34:27,084 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_existancelock_of_hiddev [2022-07-12 13:34:27,085 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_existancelock_of_hiddev [2022-07-12 13:34:27,085 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-07-12 13:34:27,085 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-07-12 13:34:27,085 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-07-12 13:34:27,085 INFO L130 BoogieDeclarations]: Found specification of procedure pidff_autocenter [2022-07-12 13:34:27,085 INFO L138 BoogieDeclarations]: Found implementation of procedure pidff_autocenter [2022-07-12 13:34:27,085 INFO L130 BoogieDeclarations]: Found specification of procedure usbhid_request [2022-07-12 13:34:27,085 INFO L138 BoogieDeclarations]: Found implementation of procedure usbhid_request [2022-07-12 13:34:27,085 INFO L130 BoogieDeclarations]: Found specification of procedure hiddev_ioctl [2022-07-12 13:34:27,085 INFO L138 BoogieDeclarations]: Found implementation of procedure hiddev_ioctl [2022-07-12 13:34:27,086 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_put_interface [2022-07-12 13:34:27,086 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_put_interface [2022-07-12 13:34:27,086 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-12 13:34:27,086 INFO L130 BoogieDeclarations]: Found specification of procedure hid_submit_ctrl [2022-07-12 13:34:27,086 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_submit_ctrl [2022-07-12 13:34:27,087 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-12 13:34:27,087 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-12 13:34:27,087 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2022-07-12 13:34:27,087 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2022-07-12 13:34:27,087 INFO L130 BoogieDeclarations]: Found specification of procedure usbhid_idle [2022-07-12 13:34:27,088 INFO L138 BoogieDeclarations]: Found implementation of procedure usbhid_idle [2022-07-12 13:34:27,088 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~pm_message_t~0~TO~int [2022-07-12 13:34:27,088 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~pm_message_t~0~TO~int [2022-07-12 13:34:27,088 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2022-07-12 13:34:27,089 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2022-07-12 13:34:27,089 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-07-12 13:34:27,089 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-07-12 13:34:27,089 INFO L130 BoogieDeclarations]: Found specification of procedure usbhid_restart_out_queue [2022-07-12 13:34:27,089 INFO L138 BoogieDeclarations]: Found implementation of procedure usbhid_restart_out_queue [2022-07-12 13:34:27,089 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2022-07-12 13:34:27,089 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2022-07-12 13:34:27,089 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_thread_lock_of_hiddev_list [2022-07-12 13:34:27,089 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_thread_lock_of_hiddev_list [2022-07-12 13:34:27,090 INFO L130 BoogieDeclarations]: Found specification of procedure usbhid_parse [2022-07-12 13:34:27,090 INFO L138 BoogieDeclarations]: Found implementation of procedure usbhid_parse [2022-07-12 13:34:27,090 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_put_interface_async [2022-07-12 13:34:27,090 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_put_interface_async [2022-07-12 13:34:27,090 INFO L130 BoogieDeclarations]: Found specification of procedure usbhid_wait_io [2022-07-12 13:34:27,090 INFO L138 BoogieDeclarations]: Found implementation of procedure usbhid_wait_io [2022-07-12 13:34:27,090 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-07-12 13:34:27,091 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-07-12 13:34:27,091 INFO L130 BoogieDeclarations]: Found specification of procedure usbhid_put_power [2022-07-12 13:34:27,093 INFO L138 BoogieDeclarations]: Found implementation of procedure usbhid_put_power [2022-07-12 13:34:27,093 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-12 13:34:27,093 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_2 [2022-07-12 13:34:27,093 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_2 [2022-07-12 13:34:27,094 INFO L130 BoogieDeclarations]: Found specification of procedure hiddev_poll [2022-07-12 13:34:27,095 INFO L138 BoogieDeclarations]: Found implementation of procedure hiddev_poll [2022-07-12 13:34:27,095 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-12 13:34:27,095 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-07-12 13:34:27,095 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-07-12 13:34:27,099 INFO L130 BoogieDeclarations]: Found specification of procedure pidff_check_autocenter [2022-07-12 13:34:27,099 INFO L138 BoogieDeclarations]: Found implementation of procedure pidff_check_autocenter [2022-07-12 13:34:27,099 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-12 13:34:27,099 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-07-12 13:34:27,099 INFO L130 BoogieDeclarations]: Found specification of procedure hid_cease_io [2022-07-12 13:34:27,099 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_cease_io [2022-07-12 13:34:27,100 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2022-07-12 13:34:27,100 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2022-07-12 13:34:27,100 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-07-12 13:34:27,100 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-07-12 13:34:27,100 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2022-07-12 13:34:27,100 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2022-07-12 13:34:27,100 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_hid_open_mut [2022-07-12 13:34:27,100 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_hid_open_mut [2022-07-12 13:34:27,100 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2022-07-12 13:34:27,100 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2022-07-12 13:34:27,101 INFO L130 BoogieDeclarations]: Found specification of procedure hid_hw_wait [2022-07-12 13:34:27,101 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_hw_wait [2022-07-12 13:34:27,101 INFO L130 BoogieDeclarations]: Found specification of procedure pidff_find_special_keys [2022-07-12 13:34:27,101 INFO L138 BoogieDeclarations]: Found implementation of procedure pidff_find_special_keys [2022-07-12 13:34:27,101 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-07-12 13:34:27,101 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-07-12 13:34:27,101 INFO L130 BoogieDeclarations]: Found specification of procedure hid_start_in [2022-07-12 13:34:27,101 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_start_in [2022-07-12 13:34:27,101 INFO L130 BoogieDeclarations]: Found specification of procedure down_write [2022-07-12 13:34:27,101 INFO L138 BoogieDeclarations]: Found implementation of procedure down_write [2022-07-12 13:34:27,101 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2022-07-12 13:34:27,102 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2022-07-12 13:34:27,102 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-07-12 13:34:27,102 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-07-12 13:34:27,102 INFO L130 BoogieDeclarations]: Found specification of procedure hiddev_fasync [2022-07-12 13:34:27,102 INFO L138 BoogieDeclarations]: Found implementation of procedure hiddev_fasync [2022-07-12 13:34:27,102 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2022-07-12 13:34:27,102 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2022-07-12 13:34:27,102 INFO L130 BoogieDeclarations]: Found specification of procedure hid_io_error [2022-07-12 13:34:27,102 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_io_error [2022-07-12 13:34:27,102 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2022-07-12 13:34:27,103 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2022-07-12 13:34:27,103 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-12 13:34:27,103 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-12 13:34:27,103 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-07-12 13:34:27,103 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-07-12 13:34:27,103 INFO L130 BoogieDeclarations]: Found specification of procedure hid_hw_request [2022-07-12 13:34:27,103 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_hw_request [2022-07-12 13:34:27,103 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2022-07-12 13:34:27,104 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2022-07-12 13:34:27,104 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-12 13:34:27,104 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-12 13:34:27,104 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-12 13:34:27,104 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-12 13:34:27,104 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-07-12 13:34:27,104 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-07-12 13:34:27,104 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_disconnect_7 [2022-07-12 13:34:27,104 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_disconnect_7 [2022-07-12 13:34:27,104 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_existancelock_of_hiddev [2022-07-12 13:34:27,104 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_existancelock_of_hiddev [2022-07-12 13:34:27,105 INFO L130 BoogieDeclarations]: Found specification of procedure strlcat [2022-07-12 13:34:27,105 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcat [2022-07-12 13:34:27,105 INFO L130 BoogieDeclarations]: Found specification of procedure hid_cancel_delayed_stuff [2022-07-12 13:34:27,105 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_cancel_delayed_stuff [2022-07-12 13:34:27,105 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_hid_open_mut [2022-07-12 13:34:27,105 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_hid_open_mut [2022-07-12 13:34:27,105 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-07-12 13:34:27,105 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-07-12 13:34:27,105 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-07-12 13:34:27,105 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-07-12 13:34:27,106 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_put_interface_no_suspend [2022-07-12 13:34:27,106 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_put_interface_no_suspend [2022-07-12 13:34:27,106 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-12 13:34:27,106 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-12 13:34:27,106 INFO L130 BoogieDeclarations]: Found specification of procedure hiddev_lookup_report [2022-07-12 13:34:27,106 INFO L138 BoogieDeclarations]: Found implementation of procedure hiddev_lookup_report [2022-07-12 13:34:27,106 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-07-12 13:34:27,106 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-07-12 13:34:27,106 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_get_interface_no_resume [2022-07-12 13:34:27,106 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_get_interface_no_resume [2022-07-12 13:34:27,107 INFO L130 BoogieDeclarations]: Found specification of procedure usbhid_output_report [2022-07-12 13:34:27,107 INFO L138 BoogieDeclarations]: Found implementation of procedure usbhid_output_report [2022-07-12 13:34:27,107 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2022-07-12 13:34:27,107 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2022-07-12 13:34:27,107 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_2 [2022-07-12 13:34:27,107 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_2 [2022-07-12 13:34:27,107 INFO L130 BoogieDeclarations]: Found specification of procedure usbhid_disconnect [2022-07-12 13:34:27,107 INFO L138 BoogieDeclarations]: Found implementation of procedure usbhid_disconnect [2022-07-12 13:34:27,107 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-12 13:34:27,107 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-07-12 13:34:27,107 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-07-12 13:34:27,108 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unlink_urb [2022-07-12 13:34:27,108 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unlink_urb [2022-07-12 13:34:27,108 INFO L130 BoogieDeclarations]: Found specification of procedure usbhid_submit_report [2022-07-12 13:34:27,108 INFO L138 BoogieDeclarations]: Found implementation of procedure usbhid_submit_report [2022-07-12 13:34:27,108 INFO L130 BoogieDeclarations]: Found specification of procedure usbhid_mark_busy [2022-07-12 13:34:27,108 INFO L138 BoogieDeclarations]: Found implementation of procedure usbhid_mark_busy [2022-07-12 13:34:27,108 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-12 13:34:27,108 INFO L130 BoogieDeclarations]: Found specification of procedure hid_set_idle [2022-07-12 13:34:27,108 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_set_idle [2022-07-12 13:34:27,108 INFO L130 BoogieDeclarations]: Found specification of procedure hid_destroy_device [2022-07-12 13:34:27,109 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_destroy_device [2022-07-12 13:34:27,109 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible [2022-07-12 13:34:27,109 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible [2022-07-12 13:34:27,109 INFO L130 BoogieDeclarations]: Found specification of procedure usbhid_open [2022-07-12 13:34:27,109 INFO L138 BoogieDeclarations]: Found implementation of procedure usbhid_open [2022-07-12 13:34:27,109 INFO L130 BoogieDeclarations]: Found specification of procedure up_write [2022-07-12 13:34:27,109 INFO L138 BoogieDeclarations]: Found implementation of procedure up_write [2022-07-12 13:34:27,109 INFO L130 BoogieDeclarations]: Found specification of procedure pidff_rescale [2022-07-12 13:34:27,109 INFO L138 BoogieDeclarations]: Found implementation of procedure pidff_rescale [2022-07-12 13:34:27,109 INFO L130 BoogieDeclarations]: Found specification of procedure pidff_set [2022-07-12 13:34:27,109 INFO L138 BoogieDeclarations]: Found implementation of procedure pidff_set [2022-07-12 13:34:27,110 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-12 13:34:27,110 INFO L130 BoogieDeclarations]: Found specification of procedure hid_reset_resume [2022-07-12 13:34:27,110 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_reset_resume [2022-07-12 13:34:27,110 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2022-07-12 13:34:27,110 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2022-07-12 13:34:27,110 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-07-12 13:34:27,110 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-07-12 13:34:27,111 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2022-07-12 13:34:27,111 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2022-07-12 13:34:27,111 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-07-12 13:34:27,113 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-07-12 13:34:27,114 INFO L130 BoogieDeclarations]: Found specification of procedure usbhid_close [2022-07-12 13:34:27,114 INFO L138 BoogieDeclarations]: Found implementation of procedure usbhid_close [2022-07-12 13:34:27,114 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2022-07-12 13:34:27,114 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2022-07-12 13:34:27,114 INFO L130 BoogieDeclarations]: Found specification of procedure hid_alloc_report_buf [2022-07-12 13:34:27,114 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_alloc_report_buf [2022-07-12 13:34:27,114 INFO L130 BoogieDeclarations]: Found specification of procedure pidff_find_reports [2022-07-12 13:34:27,114 INFO L138 BoogieDeclarations]: Found implementation of procedure pidff_find_reports [2022-07-12 13:34:27,115 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-07-12 13:34:27,115 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-07-12 13:34:27,115 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_get_interface_async [2022-07-12 13:34:27,115 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_get_interface_async [2022-07-12 13:34:27,116 INFO L130 BoogieDeclarations]: Found specification of procedure pidff_find_fields [2022-07-12 13:34:27,116 INFO L138 BoogieDeclarations]: Found implementation of procedure pidff_find_fields [2022-07-12 13:34:27,116 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2022-07-12 13:34:27,116 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2022-07-12 13:34:27,116 INFO L130 BoogieDeclarations]: Found specification of procedure hiddev_write [2022-07-12 13:34:27,116 INFO L138 BoogieDeclarations]: Found implementation of procedure hiddev_write [2022-07-12 13:34:27,116 INFO L130 BoogieDeclarations]: Found specification of procedure usbhid_quirks_exit [2022-07-12 13:34:27,116 INFO L138 BoogieDeclarations]: Found implementation of procedure usbhid_quirks_exit [2022-07-12 13:34:27,116 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2022-07-12 13:34:27,116 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2022-07-12 13:34:27,116 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-07-12 13:34:27,117 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-07-12 13:34:27,117 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_timer_2 [2022-07-12 13:34:27,117 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_timer_2 [2022-07-12 13:34:27,117 INFO L130 BoogieDeclarations]: Found specification of procedure usbhid_restart_queues [2022-07-12 13:34:27,117 INFO L138 BoogieDeclarations]: Found implementation of procedure usbhid_restart_queues [2022-07-12 13:34:27,117 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_int_urb [2022-07-12 13:34:27,117 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_int_urb [2022-07-12 13:34:27,117 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-12 13:34:27,117 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-12 13:34:27,117 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-12 13:34:27,117 INFO L130 BoogieDeclarations]: Found specification of procedure hid_device_io_stop [2022-07-12 13:34:27,118 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_device_io_stop [2022-07-12 13:34:27,118 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2022-07-12 13:34:27,118 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2022-07-12 13:34:27,118 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-12 13:34:27,118 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-12 13:34:27,118 INFO L130 BoogieDeclarations]: Found specification of procedure usbhid_restart_ctrl_queue [2022-07-12 13:34:27,118 INFO L138 BoogieDeclarations]: Found implementation of procedure usbhid_restart_ctrl_queue [2022-07-12 13:34:27,118 INFO L130 BoogieDeclarations]: Found specification of procedure usbhid_start [2022-07-12 13:34:27,118 INFO L138 BoogieDeclarations]: Found implementation of procedure usbhid_start [2022-07-12 13:34:27,118 INFO L130 BoogieDeclarations]: Found specification of procedure pidff_reset [2022-07-12 13:34:27,118 INFO L138 BoogieDeclarations]: Found implementation of procedure pidff_reset [2022-07-12 13:34:27,119 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-07-12 13:34:27,119 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-07-12 13:34:27,119 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-07-12 13:34:27,119 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-07-12 13:34:27,119 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2022-07-12 13:34:27,119 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2022-07-12 13:34:27,119 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_coherent [2022-07-12 13:34:27,119 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_coherent [2022-07-12 13:34:27,119 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2022-07-12 13:34:27,119 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2022-07-12 13:34:27,119 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2022-07-12 13:34:27,120 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2022-07-12 13:34:27,120 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2022-07-12 13:34:27,120 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2022-07-12 13:34:27,120 INFO L130 BoogieDeclarations]: Found specification of procedure usbhid_lookup_quirk [2022-07-12 13:34:27,120 INFO L138 BoogieDeclarations]: Found implementation of procedure usbhid_lookup_quirk [2022-07-12 13:34:27,120 INFO L130 BoogieDeclarations]: Found specification of procedure hid_post_reset [2022-07-12 13:34:27,120 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_post_reset [2022-07-12 13:34:27,120 INFO L130 BoogieDeclarations]: Found specification of procedure usbhid_raw_request [2022-07-12 13:34:27,120 INFO L138 BoogieDeclarations]: Found implementation of procedure usbhid_raw_request [2022-07-12 13:34:27,120 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-07-12 13:34:27,120 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-07-12 13:34:27,121 INFO L130 BoogieDeclarations]: Found specification of procedure usbhid_get_power [2022-07-12 13:34:27,121 INFO L138 BoogieDeclarations]: Found implementation of procedure usbhid_get_power [2022-07-12 13:34:27,121 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-12 13:34:27,121 INFO L130 BoogieDeclarations]: Found specification of procedure usb_string [2022-07-12 13:34:27,121 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_string [2022-07-12 13:34:27,121 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_clear_bit [2022-07-12 13:34:27,121 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_clear_bit [2022-07-12 13:34:27,121 INFO L130 BoogieDeclarations]: Found specification of procedure hid_resume [2022-07-12 13:34:27,121 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_resume [2022-07-12 13:34:27,121 INFO L130 BoogieDeclarations]: Found specification of procedure hid_get_class_descriptor [2022-07-12 13:34:27,121 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_get_class_descriptor [2022-07-12 13:34:27,897 INFO L234 CfgBuilder]: Building ICFG [2022-07-12 13:34:27,900 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-12 13:34:28,257 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-12 13:34:39,213 INFO L275 CfgBuilder]: Performing block encoding [2022-07-12 13:34:39,259 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-12 13:34:39,259 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-12 13:34:39,262 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 01:34:39 BoogieIcfgContainer [2022-07-12 13:34:39,262 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-12 13:34:39,263 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-12 13:34:39,263 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-12 13:34:39,281 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-12 13:34:39,282 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.07 01:34:23" (1/3) ... [2022-07-12 13:34:39,282 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48a1d140 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.07 01:34:39, skipping insertion in model container [2022-07-12 13:34:39,282 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 01:34:26" (2/3) ... [2022-07-12 13:34:39,282 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48a1d140 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.07 01:34:39, skipping insertion in model container [2022-07-12 13:34:39,282 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 01:34:39" (3/3) ... [2022-07-12 13:34:39,283 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--hid--usbhid--usbhid.ko-entry_point.cil.out.i [2022-07-12 13:34:39,293 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-12 13:34:39,293 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-12 13:34:39,380 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-12 13:34:39,385 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@269f1b94, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@41662148 [2022-07-12 13:34:39,385 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-12 13:34:39,393 INFO L276 IsEmpty]: Start isEmpty. Operand has 2851 states, 1995 states have (on average 1.3839598997493734) internal successors, (2761), 2066 states have internal predecessors, (2761), 702 states have call successors, (702), 153 states have call predecessors, (702), 152 states have return successors, (693), 688 states have call predecessors, (693), 693 states have call successors, (693) [2022-07-12 13:34:39,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2022-07-12 13:34:39,411 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 13:34:39,412 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 13:34:39,412 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 13:34:39,415 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 13:34:39,415 INFO L85 PathProgramCache]: Analyzing trace with hash 1339647956, now seen corresponding path program 1 times [2022-07-12 13:34:39,421 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 13:34:39,421 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [722960121] [2022-07-12 13:34:39,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 13:34:39,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 13:34:39,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:34:40,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 13:34:40,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:34:40,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:34:40,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:34:40,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:34:40,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:34:40,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-12 13:34:40,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:34:40,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:34:40,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:34:40,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:34:40,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:34:40,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-12 13:34:40,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:34:40,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:34:40,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:34:40,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:34:40,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:34:40,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-12 13:34:40,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:34:40,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:34:40,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:34:40,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:34:40,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:34:40,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-12 13:34:40,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:34:40,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:34:40,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:34:40,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-12 13:34:40,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:34:40,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:34:40,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:34:40,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-07-12 13:34:40,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:34:40,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:34:40,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:34:40,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-07-12 13:34:40,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:34:40,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:34:40,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:34:40,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2022-07-12 13:34:40,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:34:40,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:34:40,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:34:40,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-07-12 13:34:40,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:34:40,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:34:40,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:34:40,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-07-12 13:34:40,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:34:40,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:34:40,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:34:40,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-07-12 13:34:40,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:34:40,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:34:40,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:34:40,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2022-07-12 13:34:40,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:34:40,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:34:40,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:34:40,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2022-07-12 13:34:40,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:34:40,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:34:40,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:34:40,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-07-12 13:34:40,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:34:40,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:34:40,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:34:40,401 INFO L134 CoverageAnalysis]: Checked inductivity of 579 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 579 trivial. 0 not checked. [2022-07-12 13:34:40,402 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 13:34:40,402 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [722960121] [2022-07-12 13:34:40,402 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [722960121] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 13:34:40,402 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 13:34:40,403 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-12 13:34:40,404 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1147943691] [2022-07-12 13:34:40,404 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 13:34:40,407 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-12 13:34:40,407 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 13:34:40,427 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-12 13:34:40,428 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-12 13:34:40,433 INFO L87 Difference]: Start difference. First operand has 2851 states, 1995 states have (on average 1.3839598997493734) internal successors, (2761), 2066 states have internal predecessors, (2761), 702 states have call successors, (702), 153 states have call predecessors, (702), 152 states have return successors, (693), 688 states have call predecessors, (693), 693 states have call successors, (693) Second operand has 5 states, 5 states have (on average 10.2) internal successors, (51), 2 states have internal predecessors, (51), 2 states have call successors, (21), 5 states have call predecessors, (21), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-07-12 13:34:51,330 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 [] [2022-07-12 13:34:52,399 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 13:34:52,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 13:34:52,930 INFO L93 Difference]: Finished difference Result 6023 states and 9060 transitions. [2022-07-12 13:34:52,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-12 13:34:52,932 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 2 states have internal predecessors, (51), 2 states have call successors, (21), 5 states have call predecessors, (21), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 209 [2022-07-12 13:34:52,932 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 13:34:52,966 INFO L225 Difference]: With dead ends: 6023 [2022-07-12 13:34:52,967 INFO L226 Difference]: Without dead ends: 3161 [2022-07-12 13:34:52,986 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2022-07-12 13:34:52,991 INFO L413 NwaCegarLoop]: 3825 mSDtfsCounter, 1816 mSDsluCounter, 4728 mSDsCounter, 0 mSdLazyCounter, 3519 mSolverCounterSat, 1745 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1891 SdHoareTripleChecker+Valid, 8553 SdHoareTripleChecker+Invalid, 5265 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1745 IncrementalHoareTripleChecker+Valid, 3519 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.1s IncrementalHoareTripleChecker+Time [2022-07-12 13:34:52,992 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1891 Valid, 8553 Invalid, 5265 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1745 Valid, 3519 Invalid, 1 Unknown, 0 Unchecked, 12.1s Time] [2022-07-12 13:34:53,009 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3161 states. [2022-07-12 13:34:53,144 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3161 to 2835. [2022-07-12 13:34:53,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2835 states, 1990 states have (on average 1.3683417085427136) internal successors, (2723), 2050 states have internal predecessors, (2723), 693 states have call successors, (693), 152 states have call predecessors, (693), 151 states have return successors, (681), 676 states have call predecessors, (681), 681 states have call successors, (681) [2022-07-12 13:34:53,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2835 states to 2835 states and 4097 transitions. [2022-07-12 13:34:53,168 INFO L78 Accepts]: Start accepts. Automaton has 2835 states and 4097 transitions. Word has length 209 [2022-07-12 13:34:53,169 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 13:34:53,169 INFO L495 AbstractCegarLoop]: Abstraction has 2835 states and 4097 transitions. [2022-07-12 13:34:53,171 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 2 states have internal predecessors, (51), 2 states have call successors, (21), 5 states have call predecessors, (21), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-07-12 13:34:53,172 INFO L276 IsEmpty]: Start isEmpty. Operand 2835 states and 4097 transitions. [2022-07-12 13:34:53,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2022-07-12 13:34:53,179 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 13:34:53,179 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 13:34:53,180 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-12 13:34:53,180 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 13:34:53,180 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 13:34:53,180 INFO L85 PathProgramCache]: Analyzing trace with hash 1941591244, now seen corresponding path program 1 times [2022-07-12 13:34:53,181 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 13:34:53,181 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1770128472] [2022-07-12 13:34:53,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 13:34:53,181 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 13:34:53,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:34:53,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 13:34:53,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:34:53,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:34:53,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:34:53,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:34:53,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:34:53,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-12 13:34:53,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:34:53,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:34:53,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:34:53,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:34:53,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:34:53,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-12 13:34:53,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:34:53,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:34:53,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:34:53,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:34:53,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:34:53,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-12 13:34:53,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:34:53,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:34:53,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:34:53,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:34:53,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:34:53,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-12 13:34:53,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:34:53,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:34:53,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:34:53,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-12 13:34:53,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:34:53,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:34:53,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:34:53,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-07-12 13:34:53,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:34:53,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:34:53,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:34:53,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-07-12 13:34:53,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:34:53,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:34:53,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:34:53,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2022-07-12 13:34:53,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:34:53,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:34:53,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:34:53,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-07-12 13:34:53,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:34:53,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:34:53,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:34:53,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-07-12 13:34:53,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:34:53,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:34:53,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:34:53,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-07-12 13:34:53,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:34:53,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:34:53,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:34:53,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2022-07-12 13:34:53,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:34:53,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:34:53,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:34:53,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2022-07-12 13:34:53,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:34:53,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:34:53,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:34:53,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-07-12 13:34:53,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:34:53,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:34:53,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:34:53,771 INFO L134 CoverageAnalysis]: Checked inductivity of 579 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 579 trivial. 0 not checked. [2022-07-12 13:34:53,772 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 13:34:53,772 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1770128472] [2022-07-12 13:34:53,772 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1770128472] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 13:34:53,772 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 13:34:53,773 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-12 13:34:53,773 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2114396905] [2022-07-12 13:34:53,773 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 13:34:53,775 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-12 13:34:53,775 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 13:34:53,775 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-12 13:34:53,775 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-12 13:34:53,776 INFO L87 Difference]: Start difference. First operand 2835 states and 4097 transitions. Second operand has 6 states, 6 states have (on average 8.5) internal successors, (51), 3 states have internal predecessors, (51), 2 states have call successors, (21), 5 states have call predecessors, (21), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2022-07-12 13:35:08,263 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 [] [2022-07-12 13:35:11,356 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 13:35:11,357 INFO L93 Difference]: Finished difference Result 8843 states and 13000 transitions. [2022-07-12 13:35:11,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-12 13:35:11,357 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 3 states have internal predecessors, (51), 2 states have call successors, (21), 5 states have call predecessors, (21), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 209 [2022-07-12 13:35:11,358 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 13:35:11,388 INFO L225 Difference]: With dead ends: 8843 [2022-07-12 13:35:11,388 INFO L226 Difference]: Without dead ends: 6043 [2022-07-12 13:35:11,401 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2022-07-12 13:35:11,402 INFO L413 NwaCegarLoop]: 4528 mSDtfsCounter, 6640 mSDsluCounter, 7699 mSDsCounter, 0 mSdLazyCounter, 6932 mSolverCounterSat, 3669 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7136 SdHoareTripleChecker+Valid, 12227 SdHoareTripleChecker+Invalid, 10601 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3669 IncrementalHoareTripleChecker+Valid, 6932 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.1s IncrementalHoareTripleChecker+Time [2022-07-12 13:35:11,403 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7136 Valid, 12227 Invalid, 10601 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3669 Valid, 6932 Invalid, 0 Unknown, 0 Unchecked, 17.1s Time] [2022-07-12 13:35:11,408 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6043 states. [2022-07-12 13:35:11,533 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6043 to 5371. [2022-07-12 13:35:11,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5371 states, 3781 states have (on average 1.3649828087807458) internal successors, (5161), 3887 states have internal predecessors, (5161), 1293 states have call successors, (1293), 297 states have call predecessors, (1293), 296 states have return successors, (1281), 1270 states have call predecessors, (1281), 1281 states have call successors, (1281) [2022-07-12 13:35:11,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5371 states to 5371 states and 7735 transitions. [2022-07-12 13:35:11,560 INFO L78 Accepts]: Start accepts. Automaton has 5371 states and 7735 transitions. Word has length 209 [2022-07-12 13:35:11,562 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 13:35:11,562 INFO L495 AbstractCegarLoop]: Abstraction has 5371 states and 7735 transitions. [2022-07-12 13:35:11,562 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 3 states have internal predecessors, (51), 2 states have call successors, (21), 5 states have call predecessors, (21), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2022-07-12 13:35:11,563 INFO L276 IsEmpty]: Start isEmpty. Operand 5371 states and 7735 transitions. [2022-07-12 13:35:11,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2022-07-12 13:35:11,566 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 13:35:11,566 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 13:35:11,566 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-12 13:35:11,568 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 13:35:11,568 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 13:35:11,568 INFO L85 PathProgramCache]: Analyzing trace with hash -873288572, now seen corresponding path program 1 times [2022-07-12 13:35:11,568 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 13:35:11,569 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [409277393] [2022-07-12 13:35:11,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 13:35:11,569 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 13:35:11,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:35:11,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 13:35:11,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:35:11,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:35:11,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:35:11,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:35:11,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:35:11,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-12 13:35:11,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:35:11,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:35:11,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:35:11,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:35:11,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:35:11,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-12 13:35:11,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:35:11,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:35:11,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:35:11,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:35:11,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:35:11,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-12 13:35:11,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:35:11,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:35:11,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:35:11,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:35:11,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:35:11,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-12 13:35:11,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:35:11,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:35:11,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:35:11,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-12 13:35:11,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:35:11,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:35:11,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:35:11,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-07-12 13:35:11,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:35:11,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:35:11,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:35:11,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-07-12 13:35:11,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:35:11,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:35:11,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:35:11,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2022-07-12 13:35:11,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:35:11,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:35:11,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:35:11,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-07-12 13:35:11,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:35:11,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:35:11,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:35:11,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-07-12 13:35:11,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:35:11,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:35:11,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:35:11,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-07-12 13:35:11,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:35:11,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:35:11,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:35:11,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2022-07-12 13:35:11,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:35:12,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:35:12,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:35:12,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2022-07-12 13:35:12,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:35:12,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:35:12,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:35:12,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-07-12 13:35:12,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:35:12,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:35:12,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:35:12,035 INFO L134 CoverageAnalysis]: Checked inductivity of 579 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 579 trivial. 0 not checked. [2022-07-12 13:35:12,035 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 13:35:12,035 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [409277393] [2022-07-12 13:35:12,035 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [409277393] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 13:35:12,035 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 13:35:12,035 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-12 13:35:12,035 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [293437243] [2022-07-12 13:35:12,036 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 13:35:12,037 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-12 13:35:12,037 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 13:35:12,038 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-12 13:35:12,038 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-07-12 13:35:12,038 INFO L87 Difference]: Start difference. First operand 5371 states and 7735 transitions. Second operand has 7 states, 7 states have (on average 8.428571428571429) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (19), 5 states have call predecessors, (19), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2022-07-12 13:35:26,936 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 13:35:28,965 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 13:35:29,878 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 13:35:29,878 INFO L93 Difference]: Finished difference Result 12867 states and 19101 transitions. [2022-07-12 13:35:29,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-12 13:35:29,879 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.428571428571429) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (19), 5 states have call predecessors, (19), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 215 [2022-07-12 13:35:29,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 13:35:29,916 INFO L225 Difference]: With dead ends: 12867 [2022-07-12 13:35:29,916 INFO L226 Difference]: Without dead ends: 7531 [2022-07-12 13:35:29,935 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2022-07-12 13:35:29,939 INFO L413 NwaCegarLoop]: 4681 mSDtfsCounter, 3732 mSDsluCounter, 10432 mSDsCounter, 0 mSdLazyCounter, 6074 mSolverCounterSat, 2283 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4024 SdHoareTripleChecker+Valid, 15113 SdHoareTripleChecker+Invalid, 8358 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2283 IncrementalHoareTripleChecker+Valid, 6074 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.2s IncrementalHoareTripleChecker+Time [2022-07-12 13:35:29,940 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4024 Valid, 15113 Invalid, 8358 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2283 Valid, 6074 Invalid, 1 Unknown, 0 Unchecked, 17.2s Time] [2022-07-12 13:35:29,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7531 states. [2022-07-12 13:35:30,100 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7531 to 5371. [2022-07-12 13:35:30,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5371 states, 3781 states have (on average 1.36445384818831) internal successors, (5159), 3885 states have internal predecessors, (5159), 1293 states have call successors, (1293), 297 states have call predecessors, (1293), 296 states have return successors, (1281), 1270 states have call predecessors, (1281), 1281 states have call successors, (1281) [2022-07-12 13:35:30,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5371 states to 5371 states and 7733 transitions. [2022-07-12 13:35:30,131 INFO L78 Accepts]: Start accepts. Automaton has 5371 states and 7733 transitions. Word has length 215 [2022-07-12 13:35:30,133 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 13:35:30,133 INFO L495 AbstractCegarLoop]: Abstraction has 5371 states and 7733 transitions. [2022-07-12 13:35:30,134 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.428571428571429) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (19), 5 states have call predecessors, (19), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2022-07-12 13:35:30,134 INFO L276 IsEmpty]: Start isEmpty. Operand 5371 states and 7733 transitions. [2022-07-12 13:35:30,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2022-07-12 13:35:30,137 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 13:35:30,137 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 13:35:30,138 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-12 13:35:30,138 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 13:35:30,138 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 13:35:30,138 INFO L85 PathProgramCache]: Analyzing trace with hash 1639819730, now seen corresponding path program 1 times [2022-07-12 13:35:30,138 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 13:35:30,139 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [218494562] [2022-07-12 13:35:30,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 13:35:30,139 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 13:35:30,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:35:30,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 13:35:30,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:35:30,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:35:30,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:35:30,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:35:30,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:35:30,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-12 13:35:30,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:35:30,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:35:30,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:35:30,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:35:30,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:35:30,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-12 13:35:30,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:35:30,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:35:30,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:35:30,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:35:30,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:35:30,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-12 13:35:30,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:35:30,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:35:30,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:35:30,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:35:30,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:35:30,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-12 13:35:30,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:35:30,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:35:30,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:35:30,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-12 13:35:30,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:35:30,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:35:30,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:35:30,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-07-12 13:35:30,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:35:30,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:35:30,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:35:30,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-07-12 13:35:30,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:35:30,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:35:30,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:35:30,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2022-07-12 13:35:30,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:35:30,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:35:30,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:35:30,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-07-12 13:35:30,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:35:30,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:35:30,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:35:30,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-07-12 13:35:30,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:35:30,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:35:30,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:35:30,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-07-12 13:35:30,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:35:30,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:35:30,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:35:30,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2022-07-12 13:35:30,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:35:30,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:35:30,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:35:30,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2022-07-12 13:35:30,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:35:30,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:35:30,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:35:30,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-07-12 13:35:30,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:35:30,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:35:30,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:35:30,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2022-07-12 13:35:30,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:35:30,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:35:30,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:35:30,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-12 13:35:30,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:35:30,682 INFO L134 CoverageAnalysis]: Checked inductivity of 579 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 579 trivial. 0 not checked. [2022-07-12 13:35:30,682 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 13:35:30,683 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [218494562] [2022-07-12 13:35:30,683 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [218494562] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 13:35:30,683 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 13:35:30,683 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-12 13:35:30,683 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2110348663] [2022-07-12 13:35:30,683 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 13:35:30,684 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-12 13:35:30,684 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 13:35:30,684 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-12 13:35:30,684 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-07-12 13:35:30,684 INFO L87 Difference]: Start difference. First operand 5371 states and 7733 transitions. Second operand has 7 states, 7 states have (on average 8.714285714285714) internal successors, (61), 3 states have internal predecessors, (61), 2 states have call successors, (22), 6 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-07-12 13:35:46,420 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.80s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 13:35:50,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 13:35:50,054 INFO L93 Difference]: Finished difference Result 17709 states and 26155 transitions. [2022-07-12 13:35:50,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-12 13:35:50,057 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.714285714285714) internal successors, (61), 3 states have internal predecessors, (61), 2 states have call successors, (22), 6 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 223 [2022-07-12 13:35:50,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 13:35:50,128 INFO L225 Difference]: With dead ends: 17709 [2022-07-12 13:35:50,128 INFO L226 Difference]: Without dead ends: 12373 [2022-07-12 13:35:50,155 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2022-07-12 13:35:50,156 INFO L413 NwaCegarLoop]: 4732 mSDtfsCounter, 7351 mSDsluCounter, 8299 mSDsCounter, 0 mSdLazyCounter, 7691 mSolverCounterSat, 4149 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7990 SdHoareTripleChecker+Valid, 13031 SdHoareTripleChecker+Invalid, 11840 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4149 IncrementalHoareTripleChecker+Valid, 7691 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.8s IncrementalHoareTripleChecker+Time [2022-07-12 13:35:50,156 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7990 Valid, 13031 Invalid, 11840 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4149 Valid, 7691 Invalid, 0 Unknown, 0 Unchecked, 18.8s Time] [2022-07-12 13:35:50,169 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12373 states. [2022-07-12 13:35:50,670 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12373 to 10585. [2022-07-12 13:35:50,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10585 states, 7454 states have (on average 1.3643681244969144) internal successors, (10170), 7647 states have internal predecessors, (10170), 2538 states have call successors, (2538), 593 states have call predecessors, (2538), 592 states have return successors, (2526), 2506 states have call predecessors, (2526), 2526 states have call successors, (2526) [2022-07-12 13:35:50,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10585 states to 10585 states and 15234 transitions. [2022-07-12 13:35:50,717 INFO L78 Accepts]: Start accepts. Automaton has 10585 states and 15234 transitions. Word has length 223 [2022-07-12 13:35:50,717 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 13:35:50,717 INFO L495 AbstractCegarLoop]: Abstraction has 10585 states and 15234 transitions. [2022-07-12 13:35:50,718 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.714285714285714) internal successors, (61), 3 states have internal predecessors, (61), 2 states have call successors, (22), 6 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-07-12 13:35:50,718 INFO L276 IsEmpty]: Start isEmpty. Operand 10585 states and 15234 transitions. [2022-07-12 13:35:50,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2022-07-12 13:35:50,721 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 13:35:50,721 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 13:35:50,722 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-12 13:35:50,722 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 13:35:50,722 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 13:35:50,722 INFO L85 PathProgramCache]: Analyzing trace with hash -117545786, now seen corresponding path program 1 times [2022-07-12 13:35:50,722 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 13:35:50,722 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [102214871] [2022-07-12 13:35:50,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 13:35:50,723 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 13:35:50,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:35:50,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 13:35:50,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:35:50,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:35:50,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:35:50,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:35:50,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:35:50,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-12 13:35:50,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:35:51,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:35:51,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:35:51,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:35:51,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:35:51,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-12 13:35:51,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:35:51,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:35:51,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:35:51,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:35:51,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:35:51,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-12 13:35:51,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:35:51,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:35:51,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:35:51,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:35:51,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:35:51,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-12 13:35:51,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:35:51,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:35:51,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:35:51,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-12 13:35:51,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:35:51,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:35:51,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:35:51,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-07-12 13:35:51,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:35:51,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:35:51,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:35:51,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-07-12 13:35:51,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:35:51,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:35:51,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:35:51,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2022-07-12 13:35:51,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:35:51,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:35:51,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:35:51,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-07-12 13:35:51,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:35:51,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:35:51,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:35:51,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-07-12 13:35:51,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:35:51,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:35:51,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:35:51,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-07-12 13:35:51,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:35:51,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:35:51,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:35:51,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2022-07-12 13:35:51,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:35:51,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:35:51,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:35:51,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2022-07-12 13:35:51,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:35:51,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:35:51,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:35:51,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-07-12 13:35:51,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:35:51,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:35:51,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:35:51,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2022-07-12 13:35:51,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:35:51,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:35:51,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:35:51,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:35:51,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:35:51,208 INFO L134 CoverageAnalysis]: Checked inductivity of 635 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 635 trivial. 0 not checked. [2022-07-12 13:35:51,208 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 13:35:51,208 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [102214871] [2022-07-12 13:35:51,209 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [102214871] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 13:35:51,209 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 13:35:51,209 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-12 13:35:51,209 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1311515794] [2022-07-12 13:35:51,209 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 13:35:51,209 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-12 13:35:51,210 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 13:35:51,210 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-12 13:35:51,210 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-07-12 13:35:51,210 INFO L87 Difference]: Start difference. First operand 10585 states and 15234 transitions. Second operand has 7 states, 7 states have (on average 9.0) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (20), 5 states have call predecessors, (20), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2022-07-12 13:36:06,563 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 [] [2022-07-12 13:36:08,103 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 13:36:08,103 INFO L93 Difference]: Finished difference Result 23512 states and 34564 transitions. [2022-07-12 13:36:08,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-12 13:36:08,104 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.0) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (20), 5 states have call predecessors, (20), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 234 [2022-07-12 13:36:08,104 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 13:36:08,158 INFO L225 Difference]: With dead ends: 23512 [2022-07-12 13:36:08,158 INFO L226 Difference]: Without dead ends: 12962 [2022-07-12 13:36:08,194 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2022-07-12 13:36:08,194 INFO L413 NwaCegarLoop]: 4375 mSDtfsCounter, 6307 mSDsluCounter, 8822 mSDsCounter, 0 mSdLazyCounter, 5917 mSolverCounterSat, 2822 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6785 SdHoareTripleChecker+Valid, 13197 SdHoareTripleChecker+Invalid, 8740 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2822 IncrementalHoareTripleChecker+Valid, 5917 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.3s IncrementalHoareTripleChecker+Time [2022-07-12 13:36:08,195 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6785 Valid, 13197 Invalid, 8740 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2822 Valid, 5917 Invalid, 1 Unknown, 0 Unchecked, 16.3s Time] [2022-07-12 13:36:08,206 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12962 states. [2022-07-12 13:36:08,498 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12962 to 10589. [2022-07-12 13:36:08,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10589 states, 7458 states have (on average 1.3640386162510056) internal successors, (10173), 7651 states have internal predecessors, (10173), 2538 states have call successors, (2538), 593 states have call predecessors, (2538), 592 states have return successors, (2526), 2506 states have call predecessors, (2526), 2526 states have call successors, (2526) [2022-07-12 13:36:08,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10589 states to 10589 states and 15237 transitions. [2022-07-12 13:36:08,545 INFO L78 Accepts]: Start accepts. Automaton has 10589 states and 15237 transitions. Word has length 234 [2022-07-12 13:36:08,545 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 13:36:08,546 INFO L495 AbstractCegarLoop]: Abstraction has 10589 states and 15237 transitions. [2022-07-12 13:36:08,546 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.0) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (20), 5 states have call predecessors, (20), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2022-07-12 13:36:08,546 INFO L276 IsEmpty]: Start isEmpty. Operand 10589 states and 15237 transitions. [2022-07-12 13:36:08,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2022-07-12 13:36:08,550 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 13:36:08,550 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 13:36:08,550 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-12 13:36:08,550 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 13:36:08,551 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 13:36:08,551 INFO L85 PathProgramCache]: Analyzing trace with hash 883140604, now seen corresponding path program 1 times [2022-07-12 13:36:08,551 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 13:36:08,551 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [110832280] [2022-07-12 13:36:08,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 13:36:08,551 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 13:36:08,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:36:08,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 13:36:08,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:36:08,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:36:08,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:36:08,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:36:08,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:36:08,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-12 13:36:08,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:36:08,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:36:08,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:36:08,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:36:08,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:36:08,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-12 13:36:08,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:36:08,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:36:08,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:36:08,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:36:08,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:36:08,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-12 13:36:08,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:36:08,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:36:08,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:36:08,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:36:08,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:36:08,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-12 13:36:08,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:36:08,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:36:08,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:36:08,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-12 13:36:08,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:36:08,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:36:08,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:36:08,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-07-12 13:36:08,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:36:09,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:36:09,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:36:09,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-07-12 13:36:09,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:36:09,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:36:09,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:36:09,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2022-07-12 13:36:09,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:36:09,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:36:09,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:36:09,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-07-12 13:36:09,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:36:09,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:36:09,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:36:09,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-07-12 13:36:09,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:36:09,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:36:09,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:36:09,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-07-12 13:36:09,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:36:09,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:36:09,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:36:09,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2022-07-12 13:36:09,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:36:09,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:36:09,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:36:09,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2022-07-12 13:36:09,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:36:09,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:36:09,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:36:09,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-07-12 13:36:09,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:36:09,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:36:09,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:36:09,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2022-07-12 13:36:09,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:36:09,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:36:09,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:36:09,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:36:09,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:36:09,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2022-07-12 13:36:09,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:36:09,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:36:09,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:36:09,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-12 13:36:09,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:36:09,206 INFO L134 CoverageAnalysis]: Checked inductivity of 635 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 635 trivial. 0 not checked. [2022-07-12 13:36:09,206 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 13:36:09,207 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [110832280] [2022-07-12 13:36:09,207 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [110832280] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 13:36:09,207 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 13:36:09,207 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-12 13:36:09,207 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2051027483] [2022-07-12 13:36:09,207 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 13:36:09,208 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-12 13:36:09,208 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 13:36:09,208 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-12 13:36:09,208 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-07-12 13:36:09,208 INFO L87 Difference]: Start difference. First operand 10589 states and 15237 transitions. Second operand has 7 states, 7 states have (on average 10.428571428571429) internal successors, (73), 3 states have internal predecessors, (73), 3 states have call successors, (23), 6 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-07-12 13:36:20,696 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 [] [2022-07-12 13:36:24,974 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 13:36:24,974 INFO L93 Difference]: Finished difference Result 19907 states and 29394 transitions. [2022-07-12 13:36:24,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-12 13:36:24,975 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.428571428571429) internal successors, (73), 3 states have internal predecessors, (73), 3 states have call successors, (23), 6 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 250 [2022-07-12 13:36:24,978 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 13:36:25,082 INFO L225 Difference]: With dead ends: 19907 [2022-07-12 13:36:25,083 INFO L226 Difference]: Without dead ends: 19903 [2022-07-12 13:36:25,098 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 81 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2022-07-12 13:36:25,100 INFO L413 NwaCegarLoop]: 4022 mSDtfsCounter, 7250 mSDsluCounter, 6515 mSDsCounter, 0 mSdLazyCounter, 6137 mSolverCounterSat, 3799 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7835 SdHoareTripleChecker+Valid, 10537 SdHoareTripleChecker+Invalid, 9937 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3799 IncrementalHoareTripleChecker+Valid, 6137 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.1s IncrementalHoareTripleChecker+Time [2022-07-12 13:36:25,100 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7835 Valid, 10537 Invalid, 9937 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3799 Valid, 6137 Invalid, 1 Unknown, 0 Unchecked, 15.1s Time] [2022-07-12 13:36:25,117 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19903 states. [2022-07-12 13:36:25,549 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19903 to 16623. [2022-07-12 13:36:25,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16623 states, 11634 states have (on average 1.3491490458999484) internal successors, (15696), 11951 states have internal predecessors, (15696), 3954 states have call successors, (3954), 1035 states have call predecessors, (3954), 1034 states have return successors, (3944), 3920 states have call predecessors, (3944), 3944 states have call successors, (3944) [2022-07-12 13:36:25,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16623 states to 16623 states and 23594 transitions. [2022-07-12 13:36:25,615 INFO L78 Accepts]: Start accepts. Automaton has 16623 states and 23594 transitions. Word has length 250 [2022-07-12 13:36:25,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 13:36:25,616 INFO L495 AbstractCegarLoop]: Abstraction has 16623 states and 23594 transitions. [2022-07-12 13:36:25,616 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.428571428571429) internal successors, (73), 3 states have internal predecessors, (73), 3 states have call successors, (23), 6 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-07-12 13:36:25,616 INFO L276 IsEmpty]: Start isEmpty. Operand 16623 states and 23594 transitions. [2022-07-12 13:36:25,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2022-07-12 13:36:25,620 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 13:36:25,620 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 13:36:25,620 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-07-12 13:36:25,620 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 13:36:25,621 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 13:36:25,621 INFO L85 PathProgramCache]: Analyzing trace with hash 1606392684, now seen corresponding path program 1 times [2022-07-12 13:36:25,621 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 13:36:25,621 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [795334019] [2022-07-12 13:36:25,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 13:36:25,621 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 13:36:25,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:36:25,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 13:36:25,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:36:25,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:36:25,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:36:25,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:36:25,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:36:25,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-12 13:36:25,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:36:25,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:36:25,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:36:25,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:36:25,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:36:25,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-12 13:36:25,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:36:25,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:36:25,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:36:26,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:36:26,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:36:26,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-12 13:36:26,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:36:26,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:36:26,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:36:26,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:36:26,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:36:26,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-12 13:36:26,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:36:26,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:36:26,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:36:26,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-12 13:36:26,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:36:26,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:36:26,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:36:26,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-07-12 13:36:26,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:36:26,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:36:26,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:36:26,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-07-12 13:36:26,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:36:26,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:36:26,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:36:26,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2022-07-12 13:36:26,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:36:26,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:36:26,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:36:26,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-07-12 13:36:26,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:36:26,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:36:26,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:36:26,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-07-12 13:36:26,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:36:26,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:36:26,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:36:26,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-07-12 13:36:26,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:36:26,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:36:26,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:36:26,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2022-07-12 13:36:26,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:36:26,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:36:26,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:36:26,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2022-07-12 13:36:26,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:36:26,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:36:26,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:36:26,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-07-12 13:36:26,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:36:26,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:36:26,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:36:26,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2022-07-12 13:36:26,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:36:26,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:36:26,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:36:26,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:36:26,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:36:26,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2022-07-12 13:36:26,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:36:26,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:36:26,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:36:26,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-12 13:36:26,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:36:26,235 INFO L134 CoverageAnalysis]: Checked inductivity of 635 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 635 trivial. 0 not checked. [2022-07-12 13:36:26,235 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 13:36:26,236 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [795334019] [2022-07-12 13:36:26,236 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [795334019] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 13:36:26,236 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 13:36:26,236 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-12 13:36:26,236 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1258516658] [2022-07-12 13:36:26,236 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 13:36:26,237 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-12 13:36:26,237 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 13:36:26,237 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-12 13:36:26,237 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-07-12 13:36:26,238 INFO L87 Difference]: Start difference. First operand 16623 states and 23594 transitions. Second operand has 7 states, 7 states have (on average 10.571428571428571) internal successors, (74), 3 states have internal predecessors, (74), 3 states have call successors, (23), 6 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-07-12 13:36:39,004 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.59s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 13:36:40,589 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.58s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 13:36:42,094 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 13:36:42,094 INFO L93 Difference]: Finished difference Result 21375 states and 31289 transitions. [2022-07-12 13:36:42,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-12 13:36:42,095 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.571428571428571) internal successors, (74), 3 states have internal predecessors, (74), 3 states have call successors, (23), 6 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 251 [2022-07-12 13:36:42,095 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 13:36:42,176 INFO L225 Difference]: With dead ends: 21375 [2022-07-12 13:36:42,176 INFO L226 Difference]: Without dead ends: 21371 [2022-07-12 13:36:42,193 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2022-07-12 13:36:42,194 INFO L413 NwaCegarLoop]: 3741 mSDtfsCounter, 5904 mSDsluCounter, 6232 mSDsCounter, 0 mSdLazyCounter, 5196 mSolverCounterSat, 2740 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6392 SdHoareTripleChecker+Valid, 9973 SdHoareTripleChecker+Invalid, 7936 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2740 IncrementalHoareTripleChecker+Valid, 5196 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.2s IncrementalHoareTripleChecker+Time [2022-07-12 13:36:42,194 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6392 Valid, 9973 Invalid, 7936 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2740 Valid, 5196 Invalid, 0 Unknown, 0 Unchecked, 15.2s Time] [2022-07-12 13:36:42,211 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21371 states. [2022-07-12 13:36:42,668 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21371 to 17829. [2022-07-12 13:36:42,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17829 states, 12490 states have (on average 1.346277021617294) internal successors, (16815), 12829 states have internal predecessors, (16815), 4132 states have call successors, (4132), 1207 states have call predecessors, (4132), 1206 states have return successors, (4124), 4092 states have call predecessors, (4124), 4124 states have call successors, (4124) [2022-07-12 13:36:42,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17829 states to 17829 states and 25071 transitions. [2022-07-12 13:36:42,731 INFO L78 Accepts]: Start accepts. Automaton has 17829 states and 25071 transitions. Word has length 251 [2022-07-12 13:36:42,731 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 13:36:42,731 INFO L495 AbstractCegarLoop]: Abstraction has 17829 states and 25071 transitions. [2022-07-12 13:36:42,731 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.571428571428571) internal successors, (74), 3 states have internal predecessors, (74), 3 states have call successors, (23), 6 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-07-12 13:36:42,732 INFO L276 IsEmpty]: Start isEmpty. Operand 17829 states and 25071 transitions. [2022-07-12 13:36:42,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 253 [2022-07-12 13:36:42,735 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 13:36:42,735 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 13:36:42,735 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-07-12 13:36:42,735 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 13:36:42,736 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 13:36:42,736 INFO L85 PathProgramCache]: Analyzing trace with hash -1742591745, now seen corresponding path program 1 times [2022-07-12 13:36:42,736 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 13:36:42,736 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1383282245] [2022-07-12 13:36:42,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 13:36:42,736 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 13:36:42,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:36:42,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 13:36:42,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:36:43,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:36:43,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:36:43,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:36:43,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:36:43,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-12 13:36:43,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:36:43,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:36:43,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:36:43,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:36:43,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:36:43,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-12 13:36:43,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:36:43,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:36:43,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:36:43,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:36:43,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:36:43,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-12 13:36:43,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:36:43,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:36:43,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:36:43,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:36:43,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:36:43,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-12 13:36:43,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:36:43,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:36:43,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:36:43,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-12 13:36:43,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:36:43,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:36:43,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:36:43,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-07-12 13:36:43,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:36:43,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:36:43,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:36:43,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-07-12 13:36:43,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:36:43,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:36:43,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:36:43,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2022-07-12 13:36:43,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:36:43,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:36:43,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:36:43,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-07-12 13:36:43,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:36:43,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:36:43,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:36:43,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-07-12 13:36:43,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:36:43,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:36:43,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:36:43,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-07-12 13:36:43,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:36:43,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:36:43,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:36:43,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2022-07-12 13:36:43,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:36:43,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:36:43,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:36:43,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2022-07-12 13:36:43,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:36:43,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:36:43,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:36:43,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-07-12 13:36:43,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:36:43,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:36:43,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:36:43,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2022-07-12 13:36:43,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:36:43,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:36:43,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:36:43,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:36:43,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:36:43,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2022-07-12 13:36:43,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:36:43,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:36:43,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:36:43,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-12 13:36:43,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:36:43,304 INFO L134 CoverageAnalysis]: Checked inductivity of 635 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 635 trivial. 0 not checked. [2022-07-12 13:36:43,304 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 13:36:43,304 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1383282245] [2022-07-12 13:36:43,304 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1383282245] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 13:36:43,304 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 13:36:43,305 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-12 13:36:43,305 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1259147567] [2022-07-12 13:36:43,305 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 13:36:43,306 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-12 13:36:43,306 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 13:36:43,306 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-12 13:36:43,306 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-07-12 13:36:43,306 INFO L87 Difference]: Start difference. First operand 17829 states and 25071 transitions. Second operand has 7 states, 7 states have (on average 10.714285714285714) internal successors, (75), 3 states have internal predecessors, (75), 3 states have call successors, (23), 6 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-07-12 13:36:53,684 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 13:36:55,715 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 [] [2022-07-12 13:36:56,483 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 13:36:56,484 INFO L93 Difference]: Finished difference Result 21371 states and 31277 transitions. [2022-07-12 13:36:56,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-12 13:36:56,485 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.714285714285714) internal successors, (75), 3 states have internal predecessors, (75), 3 states have call successors, (23), 6 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 252 [2022-07-12 13:36:56,508 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 13:36:56,643 INFO L225 Difference]: With dead ends: 21371 [2022-07-12 13:36:56,644 INFO L226 Difference]: Without dead ends: 21368 [2022-07-12 13:36:56,662 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2022-07-12 13:36:56,663 INFO L413 NwaCegarLoop]: 3741 mSDtfsCounter, 5602 mSDsluCounter, 4998 mSDsCounter, 0 mSdLazyCounter, 3744 mSolverCounterSat, 2652 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6093 SdHoareTripleChecker+Valid, 8739 SdHoareTripleChecker+Invalid, 6397 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2652 IncrementalHoareTripleChecker+Valid, 3744 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.6s IncrementalHoareTripleChecker+Time [2022-07-12 13:36:56,664 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6093 Valid, 8739 Invalid, 6397 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2652 Valid, 3744 Invalid, 1 Unknown, 0 Unchecked, 12.6s Time] [2022-07-12 13:36:56,685 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21368 states. [2022-07-12 13:36:57,216 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21368 to 17828. [2022-07-12 13:36:57,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17828 states, 12490 states have (on average 1.3461969575660528) internal successors, (16814), 12828 states have internal predecessors, (16814), 4131 states have call successors, (4131), 1207 states have call predecessors, (4131), 1206 states have return successors, (4124), 4092 states have call predecessors, (4124), 4124 states have call successors, (4124) [2022-07-12 13:36:57,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17828 states to 17828 states and 25069 transitions. [2022-07-12 13:36:57,297 INFO L78 Accepts]: Start accepts. Automaton has 17828 states and 25069 transitions. Word has length 252 [2022-07-12 13:36:57,298 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 13:36:57,298 INFO L495 AbstractCegarLoop]: Abstraction has 17828 states and 25069 transitions. [2022-07-12 13:36:57,298 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.714285714285714) internal successors, (75), 3 states have internal predecessors, (75), 3 states have call successors, (23), 6 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-07-12 13:36:57,298 INFO L276 IsEmpty]: Start isEmpty. Operand 17828 states and 25069 transitions. [2022-07-12 13:36:57,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2022-07-12 13:36:57,302 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 13:36:57,302 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 13:36:57,302 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-07-12 13:36:57,302 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 13:36:57,302 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 13:36:57,303 INFO L85 PathProgramCache]: Analyzing trace with hash 1813078223, now seen corresponding path program 1 times [2022-07-12 13:36:57,303 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 13:36:57,303 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1337767455] [2022-07-12 13:36:57,303 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 13:36:57,303 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 13:36:57,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:36:57,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 13:36:57,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:36:57,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:36:57,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:36:57,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:36:57,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:36:57,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-12 13:36:57,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:36:57,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:36:57,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:36:57,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:36:57,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:36:57,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-12 13:36:57,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:36:57,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:36:57,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:36:57,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:36:57,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:36:57,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-12 13:36:57,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:36:57,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:36:57,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:36:57,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:36:57,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:36:57,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-12 13:36:57,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:36:57,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:36:57,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:36:57,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-12 13:36:57,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:36:57,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:36:57,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:36:57,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-07-12 13:36:57,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:36:57,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:36:57,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:36:57,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-07-12 13:36:57,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:36:57,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:36:57,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:36:57,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2022-07-12 13:36:57,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:36:57,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:36:57,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:36:57,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-07-12 13:36:57,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:36:57,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:36:57,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:36:57,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-07-12 13:36:57,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:36:57,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:36:57,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:36:57,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-07-12 13:36:57,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:36:57,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:36:57,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:36:57,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2022-07-12 13:36:57,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:36:57,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:36:57,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:36:57,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2022-07-12 13:36:57,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:36:57,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:36:57,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:36:57,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-07-12 13:36:57,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:36:58,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:36:58,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:36:58,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2022-07-12 13:36:58,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:36:58,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:36:58,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:36:58,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:36:58,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:36:58,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2022-07-12 13:36:58,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:36:58,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:36:58,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:36:58,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-12 13:36:58,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:36:58,051 INFO L134 CoverageAnalysis]: Checked inductivity of 635 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 635 trivial. 0 not checked. [2022-07-12 13:36:58,051 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 13:36:58,052 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1337767455] [2022-07-12 13:36:58,052 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1337767455] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 13:36:58,052 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 13:36:58,052 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-12 13:36:58,052 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1995062542] [2022-07-12 13:36:58,052 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 13:36:58,053 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-12 13:36:58,053 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 13:36:58,054 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-12 13:36:58,054 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-07-12 13:36:58,054 INFO L87 Difference]: Start difference. First operand 17828 states and 25069 transitions. Second operand has 7 states, 7 states have (on average 10.857142857142858) internal successors, (76), 3 states have internal predecessors, (76), 3 states have call successors, (23), 6 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-07-12 13:37:06,519 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 [] [2022-07-12 13:37:07,186 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 13:37:07,186 INFO L93 Difference]: Finished difference Result 21370 states and 31275 transitions. [2022-07-12 13:37:07,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-12 13:37:07,187 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.857142857142858) internal successors, (76), 3 states have internal predecessors, (76), 3 states have call successors, (23), 6 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 253 [2022-07-12 13:37:07,188 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 13:37:07,272 INFO L225 Difference]: With dead ends: 21370 [2022-07-12 13:37:07,272 INFO L226 Difference]: Without dead ends: 21367 [2022-07-12 13:37:07,288 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2022-07-12 13:37:07,289 INFO L413 NwaCegarLoop]: 3762 mSDtfsCounter, 7335 mSDsluCounter, 3296 mSDsCounter, 0 mSdLazyCounter, 2364 mSolverCounterSat, 4454 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7827 SdHoareTripleChecker+Valid, 7058 SdHoareTripleChecker+Invalid, 6819 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4454 IncrementalHoareTripleChecker+Valid, 2364 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.5s IncrementalHoareTripleChecker+Time [2022-07-12 13:37:07,289 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7827 Valid, 7058 Invalid, 6819 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4454 Valid, 2364 Invalid, 1 Unknown, 0 Unchecked, 8.5s Time] [2022-07-12 13:37:07,305 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21367 states. [2022-07-12 13:37:08,060 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21367 to 17827. [2022-07-12 13:37:08,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17827 states, 12490 states have (on average 1.3461168935148118) internal successors, (16813), 12827 states have internal predecessors, (16813), 4130 states have call successors, (4130), 1207 states have call predecessors, (4130), 1206 states have return successors, (4124), 4092 states have call predecessors, (4124), 4124 states have call successors, (4124) [2022-07-12 13:37:08,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17827 states to 17827 states and 25067 transitions. [2022-07-12 13:37:08,126 INFO L78 Accepts]: Start accepts. Automaton has 17827 states and 25067 transitions. Word has length 253 [2022-07-12 13:37:08,126 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 13:37:08,126 INFO L495 AbstractCegarLoop]: Abstraction has 17827 states and 25067 transitions. [2022-07-12 13:37:08,126 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.857142857142858) internal successors, (76), 3 states have internal predecessors, (76), 3 states have call successors, (23), 6 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-07-12 13:37:08,127 INFO L276 IsEmpty]: Start isEmpty. Operand 17827 states and 25067 transitions. [2022-07-12 13:37:08,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 255 [2022-07-12 13:37:08,131 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 13:37:08,132 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 13:37:08,132 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-07-12 13:37:08,132 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 13:37:08,132 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 13:37:08,133 INFO L85 PathProgramCache]: Analyzing trace with hash 369702402, now seen corresponding path program 1 times [2022-07-12 13:37:08,133 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 13:37:08,133 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [843104197] [2022-07-12 13:37:08,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 13:37:08,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 13:37:08,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:37:08,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 13:37:08,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:37:08,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:37:08,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:37:08,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:37:08,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:37:08,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-12 13:37:08,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:37:08,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:37:08,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:37:08,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:37:08,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:37:08,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-12 13:37:08,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:37:08,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:37:08,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:37:08,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:37:08,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:37:08,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-12 13:37:08,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:37:08,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:37:08,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:37:08,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:37:08,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:37:08,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-12 13:37:08,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:37:08,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:37:08,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:37:08,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-12 13:37:08,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:37:08,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:37:08,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:37:08,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-07-12 13:37:08,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:37:08,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:37:08,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:37:08,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-07-12 13:37:08,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:37:08,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:37:08,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:37:08,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2022-07-12 13:37:08,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:37:08,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:37:08,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:37:08,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-07-12 13:37:08,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:37:08,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:37:08,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:37:08,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-07-12 13:37:08,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:37:08,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:37:08,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:37:08,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-07-12 13:37:08,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:37:08,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:37:08,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:37:08,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2022-07-12 13:37:08,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:37:08,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:37:08,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:37:08,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2022-07-12 13:37:08,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:37:08,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:37:08,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:37:08,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-07-12 13:37:08,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:37:08,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:37:08,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:37:08,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2022-07-12 13:37:08,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:37:08,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:37:08,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:37:08,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:37:08,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:37:08,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2022-07-12 13:37:08,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:37:08,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:37:08,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:37:08,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-12 13:37:08,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:37:08,616 INFO L134 CoverageAnalysis]: Checked inductivity of 635 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 635 trivial. 0 not checked. [2022-07-12 13:37:08,616 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 13:37:08,617 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [843104197] [2022-07-12 13:37:08,617 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [843104197] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 13:37:08,617 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 13:37:08,617 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-12 13:37:08,617 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [863466942] [2022-07-12 13:37:08,617 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 13:37:08,618 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-12 13:37:08,618 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 13:37:08,618 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-12 13:37:08,618 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-07-12 13:37:08,618 INFO L87 Difference]: Start difference. First operand 17827 states and 25067 transitions. Second operand has 7 states, 7 states have (on average 11.0) internal successors, (77), 3 states have internal predecessors, (77), 3 states have call successors, (23), 6 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-07-12 13:37:16,831 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 13:37:16,832 INFO L93 Difference]: Finished difference Result 21369 states and 31273 transitions. [2022-07-12 13:37:16,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-12 13:37:16,833 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.0) internal successors, (77), 3 states have internal predecessors, (77), 3 states have call successors, (23), 6 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 254 [2022-07-12 13:37:16,833 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 13:37:16,896 INFO L225 Difference]: With dead ends: 21369 [2022-07-12 13:37:16,896 INFO L226 Difference]: Without dead ends: 21366 [2022-07-12 13:37:16,909 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2022-07-12 13:37:16,912 INFO L413 NwaCegarLoop]: 3733 mSDtfsCounter, 7362 mSDsluCounter, 3287 mSDsCounter, 0 mSdLazyCounter, 2372 mSolverCounterSat, 4486 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7857 SdHoareTripleChecker+Valid, 7020 SdHoareTripleChecker+Invalid, 6858 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4486 IncrementalHoareTripleChecker+Valid, 2372 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.5s IncrementalHoareTripleChecker+Time [2022-07-12 13:37:16,918 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7857 Valid, 7020 Invalid, 6858 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4486 Valid, 2372 Invalid, 0 Unknown, 0 Unchecked, 7.5s Time] [2022-07-12 13:37:16,946 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21366 states. [2022-07-12 13:37:17,572 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21366 to 17826. [2022-07-12 13:37:17,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17826 states, 12490 states have (on average 1.346036829463571) internal successors, (16812), 12826 states have internal predecessors, (16812), 4129 states have call successors, (4129), 1207 states have call predecessors, (4129), 1206 states have return successors, (4124), 4092 states have call predecessors, (4124), 4124 states have call successors, (4124) [2022-07-12 13:37:17,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17826 states to 17826 states and 25065 transitions. [2022-07-12 13:37:17,656 INFO L78 Accepts]: Start accepts. Automaton has 17826 states and 25065 transitions. Word has length 254 [2022-07-12 13:37:17,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 13:37:17,656 INFO L495 AbstractCegarLoop]: Abstraction has 17826 states and 25065 transitions. [2022-07-12 13:37:17,657 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.0) internal successors, (77), 3 states have internal predecessors, (77), 3 states have call successors, (23), 6 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-07-12 13:37:17,657 INFO L276 IsEmpty]: Start isEmpty. Operand 17826 states and 25065 transitions. [2022-07-12 13:37:17,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2022-07-12 13:37:17,660 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 13:37:17,660 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 13:37:17,660 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-07-12 13:37:17,661 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 13:37:17,661 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 13:37:17,661 INFO L85 PathProgramCache]: Analyzing trace with hash -1425270222, now seen corresponding path program 1 times [2022-07-12 13:37:17,661 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 13:37:17,661 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1260836919] [2022-07-12 13:37:17,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 13:37:17,662 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 13:37:17,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:37:17,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 13:37:17,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:37:17,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:37:17,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:37:17,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:37:17,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:37:17,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-12 13:37:17,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:37:17,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:37:17,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:37:17,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:37:17,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:37:17,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-12 13:37:17,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:37:17,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:37:17,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:37:17,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:37:17,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:37:17,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-12 13:37:17,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:37:17,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:37:17,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:37:17,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:37:17,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:37:17,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-12 13:37:17,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:37:17,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:37:17,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:37:17,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-12 13:37:17,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:37:17,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:37:17,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:37:17,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-07-12 13:37:17,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:37:18,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:37:18,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:37:18,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-07-12 13:37:18,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:37:18,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:37:18,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:37:18,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2022-07-12 13:37:18,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:37:18,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:37:18,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:37:18,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-07-12 13:37:18,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:37:18,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:37:18,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:37:18,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-07-12 13:37:18,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:37:18,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:37:18,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:37:18,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-07-12 13:37:18,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:37:18,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:37:18,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:37:18,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2022-07-12 13:37:18,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:37:18,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:37:18,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:37:18,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2022-07-12 13:37:18,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:37:18,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:37:18,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:37:18,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-07-12 13:37:18,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:37:18,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:37:18,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:37:18,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2022-07-12 13:37:18,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:37:18,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:37:18,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:37:18,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:37:18,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:37:18,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2022-07-12 13:37:18,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:37:18,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:37:18,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:37:18,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-12 13:37:18,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:37:18,154 INFO L134 CoverageAnalysis]: Checked inductivity of 635 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 635 trivial. 0 not checked. [2022-07-12 13:37:18,154 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 13:37:18,154 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1260836919] [2022-07-12 13:37:18,154 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1260836919] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 13:37:18,154 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 13:37:18,154 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-12 13:37:18,155 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2035038215] [2022-07-12 13:37:18,155 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 13:37:18,155 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-12 13:37:18,155 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 13:37:18,156 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-12 13:37:18,156 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-07-12 13:37:18,156 INFO L87 Difference]: Start difference. First operand 17826 states and 25065 transitions. Second operand has 7 states, 7 states have (on average 11.142857142857142) internal successors, (78), 3 states have internal predecessors, (78), 3 states have call successors, (23), 6 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-07-12 13:37:32,233 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 13:37:38,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 13:37:38,788 INFO L93 Difference]: Finished difference Result 60394 states and 87384 transitions. [2022-07-12 13:37:38,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-12 13:37:38,789 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.142857142857142) internal successors, (78), 3 states have internal predecessors, (78), 3 states have call successors, (23), 6 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 255 [2022-07-12 13:37:38,790 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 13:37:39,013 INFO L225 Difference]: With dead ends: 60394 [2022-07-12 13:37:39,014 INFO L226 Difference]: Without dead ends: 42541 [2022-07-12 13:37:39,081 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 81 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2022-07-12 13:37:39,082 INFO L413 NwaCegarLoop]: 4237 mSDtfsCounter, 7645 mSDsluCounter, 9043 mSDsCounter, 0 mSdLazyCounter, 9067 mSolverCounterSat, 4420 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8270 SdHoareTripleChecker+Valid, 13280 SdHoareTripleChecker+Invalid, 13487 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4420 IncrementalHoareTripleChecker+Valid, 9067 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.9s IncrementalHoareTripleChecker+Time [2022-07-12 13:37:39,082 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8270 Valid, 13280 Invalid, 13487 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4420 Valid, 9067 Invalid, 0 Unknown, 0 Unchecked, 18.9s Time] [2022-07-12 13:37:39,112 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42541 states. [2022-07-12 13:37:40,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42541 to 35449. [2022-07-12 13:37:40,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35449 states, 24869 states have (on average 1.3468575334754112) internal successors, (33495), 25536 states have internal predecessors, (33495), 8181 states have call successors, (8181), 2400 states have call predecessors, (8181), 2398 states have return successors, (8183), 8112 states have call predecessors, (8183), 8171 states have call successors, (8183) [2022-07-12 13:37:40,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35449 states to 35449 states and 49859 transitions. [2022-07-12 13:37:40,607 INFO L78 Accepts]: Start accepts. Automaton has 35449 states and 49859 transitions. Word has length 255 [2022-07-12 13:37:40,608 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 13:37:40,608 INFO L495 AbstractCegarLoop]: Abstraction has 35449 states and 49859 transitions. [2022-07-12 13:37:40,608 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.142857142857142) internal successors, (78), 3 states have internal predecessors, (78), 3 states have call successors, (23), 6 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-07-12 13:37:40,608 INFO L276 IsEmpty]: Start isEmpty. Operand 35449 states and 49859 transitions. [2022-07-12 13:37:40,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2022-07-12 13:37:40,612 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 13:37:40,612 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 13:37:40,613 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-07-12 13:37:40,613 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 13:37:40,613 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 13:37:40,613 INFO L85 PathProgramCache]: Analyzing trace with hash -237370096, now seen corresponding path program 1 times [2022-07-12 13:37:40,613 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 13:37:40,613 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1646496693] [2022-07-12 13:37:40,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 13:37:40,614 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 13:37:40,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:37:40,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 13:37:40,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:37:40,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:37:40,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:37:40,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:37:40,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:37:40,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-12 13:37:40,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:37:40,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:37:40,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:37:40,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:37:40,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:37:40,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-12 13:37:40,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:37:40,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:37:40,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:37:40,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:37:40,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:37:41,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-12 13:37:41,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:37:41,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:37:41,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:37:41,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:37:41,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:37:41,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-12 13:37:41,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:37:41,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:37:41,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:37:41,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-12 13:37:41,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:37:41,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:37:41,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:37:41,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-07-12 13:37:41,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:37:41,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:37:41,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:37:41,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-07-12 13:37:41,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:37:41,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:37:41,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:37:41,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2022-07-12 13:37:41,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:37:41,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:37:41,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:37:41,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-07-12 13:37:41,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:37:41,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:37:41,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:37:41,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-07-12 13:37:41,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:37:41,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:37:41,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:37:41,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-07-12 13:37:41,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:37:41,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:37:41,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:37:41,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2022-07-12 13:37:41,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:37:41,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:37:41,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:37:41,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2022-07-12 13:37:41,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:37:41,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:37:41,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:37:41,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-07-12 13:37:41,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:37:41,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:37:41,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:37:41,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2022-07-12 13:37:41,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:37:41,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2022-07-12 13:37:41,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:37:41,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2022-07-12 13:37:41,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:37:41,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:37:41,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:37:41,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:37:41,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:37:41,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-12 13:37:41,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:37:41,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:37:41,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:37:41,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-12 13:37:41,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:37:41,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2022-07-12 13:37:41,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:37:41,241 INFO L134 CoverageAnalysis]: Checked inductivity of 583 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 583 trivial. 0 not checked. [2022-07-12 13:37:41,241 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 13:37:41,241 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1646496693] [2022-07-12 13:37:41,241 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1646496693] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 13:37:41,242 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 13:37:41,242 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-07-12 13:37:41,242 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [894899473] [2022-07-12 13:37:41,242 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 13:37:41,242 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-12 13:37:41,242 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 13:37:41,243 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-12 13:37:41,243 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2022-07-12 13:37:41,243 INFO L87 Difference]: Start difference. First operand 35449 states and 49859 transitions. Second operand has 9 states, 9 states have (on average 10.333333333333334) internal successors, (93), 3 states have internal predecessors, (93), 2 states have call successors, (32), 8 states have call predecessors, (32), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2022-07-12 13:38:01,185 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 [] [2022-07-12 13:38:09,160 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 13:38:09,161 INFO L93 Difference]: Finished difference Result 114176 states and 165557 transitions. [2022-07-12 13:38:09,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-07-12 13:38:09,163 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.333333333333334) internal successors, (93), 3 states have internal predecessors, (93), 2 states have call successors, (32), 8 states have call predecessors, (32), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 274 [2022-07-12 13:38:09,163 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 13:38:09,531 INFO L225 Difference]: With dead ends: 114176 [2022-07-12 13:38:09,531 INFO L226 Difference]: Without dead ends: 78762 [2022-07-12 13:38:09,643 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=118, Invalid=262, Unknown=0, NotChecked=0, Total=380 [2022-07-12 13:38:09,644 INFO L413 NwaCegarLoop]: 5118 mSDtfsCounter, 10261 mSDsluCounter, 8008 mSDsCounter, 0 mSdLazyCounter, 12380 mSolverCounterSat, 6876 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10859 SdHoareTripleChecker+Valid, 13126 SdHoareTripleChecker+Invalid, 19257 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 6876 IncrementalHoareTripleChecker+Valid, 12380 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 23.8s IncrementalHoareTripleChecker+Time [2022-07-12 13:38:09,644 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10859 Valid, 13126 Invalid, 19257 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [6876 Valid, 12380 Invalid, 1 Unknown, 0 Unchecked, 23.8s Time] [2022-07-12 13:38:09,711 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78762 states. [2022-07-12 13:38:12,942 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78762 to 61401. [2022-07-12 13:38:12,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61401 states, 43249 states have (on average 1.3473837545376772) internal successors, (58273), 44352 states have internal predecessors, (58273), 13839 states have call successors, (13839), 4314 states have call predecessors, (13839), 4312 states have return successors, (13853), 13714 states have call predecessors, (13853), 13829 states have call successors, (13853) [2022-07-12 13:38:13,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61401 states to 61401 states and 85965 transitions. [2022-07-12 13:38:13,210 INFO L78 Accepts]: Start accepts. Automaton has 61401 states and 85965 transitions. Word has length 274 [2022-07-12 13:38:13,224 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 13:38:13,224 INFO L495 AbstractCegarLoop]: Abstraction has 61401 states and 85965 transitions. [2022-07-12 13:38:13,225 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.333333333333334) internal successors, (93), 3 states have internal predecessors, (93), 2 states have call successors, (32), 8 states have call predecessors, (32), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2022-07-12 13:38:13,225 INFO L276 IsEmpty]: Start isEmpty. Operand 61401 states and 85965 transitions. [2022-07-12 13:38:13,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 314 [2022-07-12 13:38:13,248 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 13:38:13,248 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 13:38:13,249 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-07-12 13:38:13,249 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 13:38:13,249 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 13:38:13,249 INFO L85 PathProgramCache]: Analyzing trace with hash -211540284, now seen corresponding path program 1 times [2022-07-12 13:38:13,249 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 13:38:13,249 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [254675806] [2022-07-12 13:38:13,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 13:38:13,250 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 13:38:13,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:38:13,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 13:38:13,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:38:13,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:38:13,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:38:13,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:38:13,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:38:13,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-12 13:38:13,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:38:13,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:38:13,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:38:13,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:38:13,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:38:13,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-12 13:38:13,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:38:13,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:38:13,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:38:13,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:38:13,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:38:13,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-12 13:38:13,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:38:13,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:38:13,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:38:13,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:38:13,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:38:13,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-12 13:38:13,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:38:13,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:38:13,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:38:13,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-12 13:38:13,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:38:13,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:38:13,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:38:13,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-07-12 13:38:13,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:38:13,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:38:13,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:38:13,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-07-12 13:38:13,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:38:13,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:38:13,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:38:13,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2022-07-12 13:38:13,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:38:13,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:38:13,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:38:13,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-07-12 13:38:13,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:38:13,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:38:13,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:38:13,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-07-12 13:38:13,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:38:13,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:38:13,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:38:13,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-07-12 13:38:13,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:38:13,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:38:13,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:38:13,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2022-07-12 13:38:13,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:38:13,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:38:13,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:38:13,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2022-07-12 13:38:13,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:38:13,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:38:13,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:38:13,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-07-12 13:38:13,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:38:13,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:38:13,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:38:13,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2022-07-12 13:38:13,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:38:13,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:38:13,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:38:13,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:38:13,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:38:13,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2022-07-12 13:38:13,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:38:13,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:38:13,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:38:13,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:38:13,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:38:13,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-12 13:38:13,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:38:13,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:38:13,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:38:13,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:38:13,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:38:13,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2022-07-12 13:38:13,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:38:13,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:38:13,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:38:13,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:38:13,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:38:13,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2022-07-12 13:38:13,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:38:13,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2022-07-12 13:38:13,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:38:13,966 INFO L134 CoverageAnalysis]: Checked inductivity of 891 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 887 trivial. 0 not checked. [2022-07-12 13:38:13,966 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 13:38:13,966 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [254675806] [2022-07-12 13:38:13,966 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [254675806] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 13:38:13,967 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 13:38:13,967 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-12 13:38:13,967 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1409397998] [2022-07-12 13:38:13,967 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 13:38:13,967 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-12 13:38:13,967 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 13:38:13,968 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-12 13:38:13,968 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-07-12 13:38:13,968 INFO L87 Difference]: Start difference. First operand 61401 states and 85965 transitions. Second operand has 7 states, 7 states have (on average 13.0) internal successors, (91), 3 states have internal predecessors, (91), 3 states have call successors, (27), 6 states have call predecessors, (27), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2022-07-12 13:38:34,775 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 []