./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--video--fbdev--udlfb.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f4b24e32 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--video--fbdev--udlfb.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 65d40b2043e7a83af3849efad1c4fa824e696aef038aa449d52dadf52dd97034 --- Real Ultimate output --- This is Ultimate 0.2.2-?-f4b24e3 [2022-07-14 01:42:36,266 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-14 01:42:36,268 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-14 01:42:36,293 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-14 01:42:36,294 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-14 01:42:36,295 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-14 01:42:36,296 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-14 01:42:36,298 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-14 01:42:36,299 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-14 01:42:36,300 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-14 01:42:36,301 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-14 01:42:36,302 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-14 01:42:36,302 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-14 01:42:36,303 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-14 01:42:36,304 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-14 01:42:36,305 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-14 01:42:36,306 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-14 01:42:36,306 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-14 01:42:36,308 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-14 01:42:36,309 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-14 01:42:36,311 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-14 01:42:36,312 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-14 01:42:36,313 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-14 01:42:36,314 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-14 01:42:36,315 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-14 01:42:36,318 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-14 01:42:36,318 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-14 01:42:36,318 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-14 01:42:36,320 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-14 01:42:36,320 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-14 01:42:36,321 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-14 01:42:36,321 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-14 01:42:36,322 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-14 01:42:36,323 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-14 01:42:36,324 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-14 01:42:36,325 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-14 01:42:36,325 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-14 01:42:36,326 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-14 01:42:36,326 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-14 01:42:36,326 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-14 01:42:36,327 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-14 01:42:36,330 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-14 01:42:36,331 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-14 01:42:36,352 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-14 01:42:36,353 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-14 01:42:36,353 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-14 01:42:36,353 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-14 01:42:36,354 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-14 01:42:36,355 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-14 01:42:36,355 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-14 01:42:36,356 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-14 01:42:36,356 INFO L138 SettingsManager]: * Use SBE=true [2022-07-14 01:42:36,357 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-14 01:42:36,357 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-14 01:42:36,357 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-14 01:42:36,357 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-14 01:42:36,357 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-14 01:42:36,358 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-14 01:42:36,358 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-14 01:42:36,358 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-14 01:42:36,358 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-14 01:42:36,358 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-14 01:42:36,359 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-14 01:42:36,359 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-14 01:42:36,359 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-14 01:42:36,359 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-14 01:42:36,359 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-14 01:42:36,359 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-14 01:42:36,360 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-14 01:42:36,360 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-14 01:42:36,360 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-14 01:42:36,360 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-14 01:42:36,360 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-14 01:42:36,361 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 65d40b2043e7a83af3849efad1c4fa824e696aef038aa449d52dadf52dd97034 [2022-07-14 01:42:36,634 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-14 01:42:36,663 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-14 01:42:36,666 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-14 01:42:36,667 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-14 01:42:36,668 INFO L275 PluginConnector]: CDTParser initialized [2022-07-14 01:42:36,669 INFO L432 ainManager$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--video--fbdev--udlfb.ko-entry_point.cil.out.i [2022-07-14 01:42:36,744 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/75252cd71/c5b89ce7395e40d797908651b775bf28/FLAGb9d171677 [2022-07-14 01:42:37,570 INFO L306 CDTParser]: Found 1 translation units. [2022-07-14 01:42:37,571 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--video--fbdev--udlfb.ko-entry_point.cil.out.i [2022-07-14 01:42:37,618 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/75252cd71/c5b89ce7395e40d797908651b775bf28/FLAGb9d171677 [2022-07-14 01:42:38,092 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/75252cd71/c5b89ce7395e40d797908651b775bf28 [2022-07-14 01:42:38,095 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-14 01:42:38,097 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-14 01:42:38,113 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-14 01:42:38,113 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-14 01:42:38,116 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-14 01:42:38,117 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 01:42:38" (1/1) ... [2022-07-14 01:42:38,118 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@75035a38 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 01:42:38, skipping insertion in model container [2022-07-14 01:42:38,118 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 01:42:38" (1/1) ... [2022-07-14 01:42:38,125 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-14 01:42:38,261 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-14 01:42:39,975 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--video--fbdev--udlfb.ko-entry_point.cil.out.i[222868,222881] [2022-07-14 01:42:40,231 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 01:42:40,271 INFO L203 MainTranslator]: Completed pre-run [2022-07-14 01:42:40,581 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--video--fbdev--udlfb.ko-entry_point.cil.out.i[222868,222881] [2022-07-14 01:42:40,599 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 01:42:40,715 INFO L208 MainTranslator]: Completed translation [2022-07-14 01:42:40,717 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 01:42:40 WrapperNode [2022-07-14 01:42:40,717 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-14 01:42:40,718 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-14 01:42:40,719 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-14 01:42:40,719 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-14 01:42:40,727 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 01:42:40" (1/1) ... [2022-07-14 01:42:40,813 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 01:42:40" (1/1) ... [2022-07-14 01:42:41,372 INFO L137 Inliner]: procedures = 319, calls = 1696, calls flagged for inlining = 115, calls inlined = 107, statements flattened = 4067 [2022-07-14 01:42:41,373 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-14 01:42:41,373 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-14 01:42:41,373 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-14 01:42:41,373 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-14 01:42:41,381 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 01:42:40" (1/1) ... [2022-07-14 01:42:41,381 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 01:42:40" (1/1) ... [2022-07-14 01:42:41,565 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 01:42:40" (1/1) ... [2022-07-14 01:42:41,566 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 01:42:40" (1/1) ... [2022-07-14 01:42:41,951 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 01:42:40" (1/1) ... [2022-07-14 01:42:41,976 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 01:42:40" (1/1) ... [2022-07-14 01:42:42,071 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 01:42:40" (1/1) ... [2022-07-14 01:42:42,179 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-14 01:42:42,180 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-14 01:42:42,180 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-14 01:42:42,181 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-14 01:42:42,183 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 01:42:40" (1/1) ... [2022-07-14 01:42:42,189 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-14 01:42:42,198 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 01:42:42,211 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-07-14 01:42:42,234 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-07-14 01:42:42,253 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-07-14 01:42:42,253 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-07-14 01:42:42,253 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_ops_fillrect [2022-07-14 01:42:42,254 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_ops_fillrect [2022-07-14 01:42:42,254 INFO L130 BoogieDeclarations]: Found specification of procedure kref_sub [2022-07-14 01:42:42,254 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_sub [2022-07-14 01:42:42,254 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_submit_urb [2022-07-14 01:42:42,254 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_submit_urb [2022-07-14 01:42:42,254 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_urb_completion [2022-07-14 01:42:42,255 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_urb_completion [2022-07-14 01:42:42,255 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-14 01:42:42,255 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-14 01:42:42,255 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-14 01:42:42,255 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-14 01:42:42,255 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-14 01:42:42,255 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-14 01:42:42,256 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_ops_mmap [2022-07-14 01:42:42,256 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_ops_mmap [2022-07-14 01:42:42,256 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_free_framebuffer_work [2022-07-14 01:42:42,256 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_free_framebuffer_work [2022-07-14 01:42:42,256 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_vidreg_unlock [2022-07-14 01:42:42,256 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_vidreg_unlock [2022-07-14 01:42:42,257 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-14 01:42:42,257 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-14 01:42:42,257 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_ops_check_var [2022-07-14 01:42:42,257 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_ops_check_var [2022-07-14 01:42:42,257 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_1 [2022-07-14 01:42:42,257 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_1 [2022-07-14 01:42:42,257 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_is_valid_mode [2022-07-14 01:42:42,258 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_is_valid_mode [2022-07-14 01:42:42,258 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_set_register_lfsr16 [2022-07-14 01:42:42,258 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_set_register_lfsr16 [2022-07-14 01:42:42,258 INFO L130 BoogieDeclarations]: Found specification of procedure fb_destroy_modelist [2022-07-14 01:42:42,258 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_destroy_modelist [2022-07-14 01:42:42,258 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2022-07-14 01:42:42,259 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2022-07-14 01:42:42,259 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-07-14 01:42:42,259 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-07-14 01:42:42,259 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_ops_setcolreg [2022-07-14 01:42:42,260 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_ops_setcolreg [2022-07-14 01:42:42,260 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-07-14 01:42:42,260 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-07-14 01:42:42,260 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work_on [2022-07-14 01:42:42,260 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work_on [2022-07-14 01:42:42,260 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-07-14 01:42:42,261 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-07-14 01:42:42,261 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-14 01:42:42,261 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-14 01:42:42,261 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_ops_release [2022-07-14 01:42:42,261 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_ops_release [2022-07-14 01:42:42,262 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-07-14 01:42:42,262 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-07-14 01:42:42,262 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_get_urb [2022-07-14 01:42:42,262 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_get_urb [2022-07-14 01:42:42,262 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_set_video_mode [2022-07-14 01:42:42,263 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_set_video_mode [2022-07-14 01:42:42,263 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2022-07-14 01:42:42,264 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2022-07-14 01:42:42,264 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-07-14 01:42:42,265 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-07-14 01:42:42,265 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_ops_blank [2022-07-14 01:42:42,265 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_ops_blank [2022-07-14 01:42:42,265 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-14 01:42:42,265 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-07-14 01:42:42,265 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-07-14 01:42:42,266 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-07-14 01:42:42,266 INFO L130 BoogieDeclarations]: Found specification of procedure get_cycles [2022-07-14 01:42:42,266 INFO L138 BoogieDeclarations]: Found implementation of procedure get_cycles [2022-07-14 01:42:42,266 INFO L130 BoogieDeclarations]: Found specification of procedure up [2022-07-14 01:42:42,266 INFO L138 BoogieDeclarations]: Found implementation of procedure up [2022-07-14 01:42:42,266 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-14 01:42:42,266 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_ops_copyarea [2022-07-14 01:42:42,267 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_ops_copyarea [2022-07-14 01:42:42,267 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2022-07-14 01:42:42,268 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-07-14 01:42:42,268 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-07-14 01:42:42,268 INFO L130 BoogieDeclarations]: Found specification of procedure fb_add_videomode [2022-07-14 01:42:42,268 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_add_videomode [2022-07-14 01:42:42,268 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-14 01:42:42,268 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_add [2022-07-14 01:42:42,269 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_add [2022-07-14 01:42:42,269 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-14 01:42:42,269 INFO L130 BoogieDeclarations]: Found specification of procedure fb_edid_to_monspecs [2022-07-14 01:42:42,269 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_edid_to_monspecs [2022-07-14 01:42:42,269 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2022-07-14 01:42:42,270 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2022-07-14 01:42:42,270 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-07-14 01:42:42,270 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-07-14 01:42:42,270 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-07-14 01:42:42,270 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-07-14 01:42:42,271 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-07-14 01:42:42,271 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-07-14 01:42:42,271 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_setup_modes [2022-07-14 01:42:42,271 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_setup_modes [2022-07-14 01:42:42,271 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2022-07-14 01:42:42,272 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2022-07-14 01:42:42,272 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-07-14 01:42:42,272 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-07-14 01:42:42,273 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-07-14 01:42:42,273 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_vidreg_lock [2022-07-14 01:42:42,273 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_vidreg_lock [2022-07-14 01:42:42,273 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2022-07-14 01:42:42,274 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2022-07-14 01:42:42,274 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-07-14 01:42:42,274 INFO L130 BoogieDeclarations]: Found specification of procedure kref_get [2022-07-14 01:42:42,274 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_get [2022-07-14 01:42:42,274 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-14 01:42:42,274 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock_of_fb_info [2022-07-14 01:42:42,275 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock_of_fb_info [2022-07-14 01:42:42,275 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_ops_ioctl [2022-07-14 01:42:42,275 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_ops_ioctl [2022-07-14 01:42:42,275 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_free_framebuffer [2022-07-14 01:42:42,275 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_free_framebuffer [2022-07-14 01:42:42,276 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-14 01:42:42,276 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-14 01:42:42,276 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_var_color_format [2022-07-14 01:42:42,276 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_var_color_format [2022-07-14 01:42:42,277 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2022-07-14 01:42:42,277 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2022-07-14 01:42:42,279 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-14 01:42:42,279 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-14 01:42:42,279 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2022-07-14 01:42:42,280 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2022-07-14 01:42:42,280 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-07-14 01:42:42,282 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-07-14 01:42:42,282 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_handle_damage [2022-07-14 01:42:42,282 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_handle_damage [2022-07-14 01:42:42,282 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-14 01:42:42,288 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_render_hline [2022-07-14 01:42:42,288 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_render_hline [2022-07-14 01:42:42,288 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_usb_disconnect [2022-07-14 01:42:42,288 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_usb_disconnect [2022-07-14 01:42:42,288 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2022-07-14 01:42:42,289 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2022-07-14 01:42:42,289 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-14 01:42:42,289 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-14 01:42:42,289 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_release_urb_work [2022-07-14 01:42:42,289 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_release_urb_work [2022-07-14 01:42:42,289 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-07-14 01:42:42,289 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-07-14 01:42:42,290 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-14 01:42:42,290 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_blanking [2022-07-14 01:42:42,290 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_blanking [2022-07-14 01:42:42,290 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-07-14 01:42:42,290 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-07-14 01:42:42,290 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_set_register_16 [2022-07-14 01:42:42,290 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_set_register_16 [2022-07-14 01:42:42,291 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-14 01:42:42,291 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_ops_imageblit [2022-07-14 01:42:42,291 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_ops_imageblit [2022-07-14 01:42:42,291 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-14 01:42:42,291 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-07-14 01:42:42,291 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-07-14 01:42:42,291 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_ops_open [2022-07-14 01:42:42,291 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_ops_open [2022-07-14 01:42:42,292 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_set_register [2022-07-14 01:42:42,292 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_set_register [2022-07-14 01:42:42,292 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2022-07-14 01:42:42,292 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2022-07-14 01:42:42,292 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2022-07-14 01:42:42,292 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2022-07-14 01:42:42,292 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock_of_fb_info [2022-07-14 01:42:42,293 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock_of_fb_info [2022-07-14 01:42:42,293 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2022-07-14 01:42:42,293 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2022-07-14 01:42:42,293 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_init_framebuffer_work [2022-07-14 01:42:42,293 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_init_framebuffer_work [2022-07-14 01:42:42,293 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2022-07-14 01:42:42,293 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2022-07-14 01:42:42,294 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-07-14 01:42:42,294 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-07-14 01:42:42,294 INFO L130 BoogieDeclarations]: Found specification of procedure dlfb_ops_set_par [2022-07-14 01:42:42,294 INFO L138 BoogieDeclarations]: Found implementation of procedure dlfb_ops_set_par [2022-07-14 01:42:42,295 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_delayed_work [2022-07-14 01:42:42,295 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_delayed_work [2022-07-14 01:42:42,295 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-14 01:42:42,295 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2022-07-14 01:42:42,295 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2022-07-14 01:42:42,295 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-14 01:42:42,295 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-14 01:42:43,004 INFO L234 CfgBuilder]: Building ICFG [2022-07-14 01:42:43,007 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-14 01:42:43,220 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-14 01:42:51,728 INFO L275 CfgBuilder]: Performing block encoding [2022-07-14 01:42:51,749 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-14 01:42:51,749 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-14 01:42:51,753 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 01:42:51 BoogieIcfgContainer [2022-07-14 01:42:51,754 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-14 01:42:51,756 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-14 01:42:51,757 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-14 01:42:51,760 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-14 01:42:51,760 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.07 01:42:38" (1/3) ... [2022-07-14 01:42:51,761 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2549b15c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 01:42:51, skipping insertion in model container [2022-07-14 01:42:51,761 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 01:42:40" (2/3) ... [2022-07-14 01:42:51,761 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2549b15c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 01:42:51, skipping insertion in model container [2022-07-14 01:42:51,762 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 01:42:51" (3/3) ... [2022-07-14 01:42:51,763 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--video--fbdev--udlfb.ko-entry_point.cil.out.i [2022-07-14 01:42:51,776 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-14 01:42:51,776 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-14 01:42:51,869 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-14 01:42:51,875 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@e22a6c6, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@4f77ea0b [2022-07-14 01:42:51,876 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-14 01:42:51,885 INFO L276 IsEmpty]: Start isEmpty. Operand has 1301 states, 925 states have (on average 1.3383783783783785) internal successors, (1238), 956 states have internal predecessors, (1238), 294 states have call successors, (294), 81 states have call predecessors, (294), 80 states have return successors, (286), 281 states have call predecessors, (286), 286 states have call successors, (286) [2022-07-14 01:42:51,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 390 [2022-07-14 01:42:51,910 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 01:42:51,911 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 16, 16, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 01:42:51,912 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 01:42:51,916 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 01:42:51,916 INFO L85 PathProgramCache]: Analyzing trace with hash -10971896, now seen corresponding path program 1 times [2022-07-14 01:42:51,924 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 01:42:51,925 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1475144408] [2022-07-14 01:42:51,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 01:42:51,926 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 01:42:52,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:42:52,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 01:42:52,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:42:52,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:42:52,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:42:52,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:42:52,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:42:52,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-14 01:42:52,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:42:52,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:42:52,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:42:52,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:42:52,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:42:52,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-14 01:42:52,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:42:52,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:42:52,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:42:52,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:42:52,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:42:52,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-14 01:42:52,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:42:52,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:42:52,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:42:52,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:42:52,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:42:52,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-14 01:42:52,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:42:52,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:42:52,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:42:52,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:42:52,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:42:52,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-14 01:42:52,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:42:52,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:42:52,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:42:52,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:42:52,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:42:52,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-14 01:42:52,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:42:52,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:42:52,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:42:52,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:42:52,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:42:52,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-14 01:42:52,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:42:52,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:42:52,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:42:52,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:42:52,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:42:53,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-14 01:42:53,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:42:53,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:42:53,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:42:53,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:42:53,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:42:53,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-14 01:42:53,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:42:53,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:42:53,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:42:53,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:42:53,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:42:53,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-14 01:42:53,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:42:53,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:42:53,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:42:53,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:42:53,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:42:53,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-07-14 01:42:53,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:42:53,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:42:53,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:42:53,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:42:53,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:42:53,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2022-07-14 01:42:53,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:42:53,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:42:53,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:42:53,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2022-07-14 01:42:53,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:42:53,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:42:53,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:42:53,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2022-07-14 01:42:53,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:42:53,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:42:53,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:42:53,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2022-07-14 01:42:53,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:42:53,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:42:53,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:42:53,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2022-07-14 01:42:53,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:42:53,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:42:53,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:42:53,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2022-07-14 01:42:53,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:42:53,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:42:53,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:42:53,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2022-07-14 01:42:53,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:42:53,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:42:53,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:42:53,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2022-07-14 01:42:53,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:42:53,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:42:53,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:42:53,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2022-07-14 01:42:53,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:42:53,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:42:53,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:42:53,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2022-07-14 01:42:53,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:42:53,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:42:53,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:42:53,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2022-07-14 01:42:53,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:42:53,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:42:53,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:42:53,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 316 [2022-07-14 01:42:53,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:42:53,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:42:53,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:42:53,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327 [2022-07-14 01:42:53,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:42:53,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:42:53,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:42:53,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2022-07-14 01:42:53,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:42:53,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:42:53,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:42:53,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2022-07-14 01:42:53,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:42:53,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:42:53,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:42:53,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 360 [2022-07-14 01:42:53,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:42:53,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:42:53,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:42:53,499 INFO L134 CoverageAnalysis]: Checked inductivity of 2004 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2004 trivial. 0 not checked. [2022-07-14 01:42:53,500 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 01:42:53,503 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1475144408] [2022-07-14 01:42:53,504 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1475144408] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 01:42:53,504 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 01:42:53,504 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-14 01:42:53,506 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1691304660] [2022-07-14 01:42:53,506 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 01:42:53,513 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-14 01:42:53,513 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 01:42:53,546 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-14 01:42:53,547 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-14 01:42:53,551 INFO L87 Difference]: Start difference. First operand has 1301 states, 925 states have (on average 1.3383783783783785) internal successors, (1238), 956 states have internal predecessors, (1238), 294 states have call successors, (294), 81 states have call predecessors, (294), 80 states have return successors, (286), 281 states have call predecessors, (286), 286 states have call successors, (286) Second operand has 6 states, 6 states have (on average 10.5) internal successors, (63), 3 states have internal predecessors, (63), 2 states have call successors, (32), 5 states have call predecessors, (32), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2022-07-14 01:42:57,843 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 01:43:02,869 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 01:43:05,269 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 01:43:07,396 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 01:43:07,396 INFO L93 Difference]: Finished difference Result 4107 states and 6040 transitions. [2022-07-14 01:43:07,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-14 01:43:07,399 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.5) internal successors, (63), 3 states have internal predecessors, (63), 2 states have call successors, (32), 5 states have call predecessors, (32), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 389 [2022-07-14 01:43:07,400 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 01:43:07,439 INFO L225 Difference]: With dead ends: 4107 [2022-07-14 01:43:07,439 INFO L226 Difference]: Without dead ends: 2781 [2022-07-14 01:43:07,464 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 145 GetRequests, 138 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2022-07-14 01:43:07,467 INFO L413 NwaCegarLoop]: 1898 mSDtfsCounter, 3792 mSDsluCounter, 2393 mSDsCounter, 0 mSdLazyCounter, 1407 mSolverCounterSat, 2253 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3944 SdHoareTripleChecker+Valid, 4291 SdHoareTripleChecker+Invalid, 3663 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2253 IncrementalHoareTripleChecker+Valid, 1407 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.4s IncrementalHoareTripleChecker+Time [2022-07-14 01:43:07,469 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3944 Valid, 4291 Invalid, 3663 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2253 Valid, 1407 Invalid, 3 Unknown, 0 Unchecked, 13.4s Time] [2022-07-14 01:43:07,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2781 states. [2022-07-14 01:43:07,687 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2781 to 2464. [2022-07-14 01:43:07,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2464 states, 1775 states have (on average 1.3233802816901408) internal successors, (2349), 1811 states have internal predecessors, (2349), 531 states have call successors, (531), 158 states have call predecessors, (531), 157 states have return successors, (524), 514 states have call predecessors, (524), 524 states have call successors, (524) [2022-07-14 01:43:07,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2464 states to 2464 states and 3404 transitions. [2022-07-14 01:43:07,717 INFO L78 Accepts]: Start accepts. Automaton has 2464 states and 3404 transitions. Word has length 389 [2022-07-14 01:43:07,721 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 01:43:07,721 INFO L495 AbstractCegarLoop]: Abstraction has 2464 states and 3404 transitions. [2022-07-14 01:43:07,721 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.5) internal successors, (63), 3 states have internal predecessors, (63), 2 states have call successors, (32), 5 states have call predecessors, (32), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2022-07-14 01:43:07,721 INFO L276 IsEmpty]: Start isEmpty. Operand 2464 states and 3404 transitions. [2022-07-14 01:43:07,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 400 [2022-07-14 01:43:07,736 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 01:43:07,736 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 16, 16, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 01:43:07,737 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-14 01:43:07,737 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 01:43:07,737 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 01:43:07,737 INFO L85 PathProgramCache]: Analyzing trace with hash -570042714, now seen corresponding path program 1 times [2022-07-14 01:43:07,738 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 01:43:07,738 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1637151036] [2022-07-14 01:43:07,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 01:43:07,738 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 01:43:07,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:43:08,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 01:43:08,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:43:08,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:43:08,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:43:08,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:43:08,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:43:08,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-14 01:43:08,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:43:08,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:43:08,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:43:08,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:43:08,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:43:08,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-14 01:43:08,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:43:08,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:43:08,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:43:08,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:43:08,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:43:08,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-14 01:43:08,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:43:08,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:43:08,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:43:08,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:43:08,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:43:08,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-14 01:43:08,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:43:08,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:43:08,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:43:08,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:43:08,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:43:08,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-14 01:43:08,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:43:08,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:43:08,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:43:08,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:43:08,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:43:08,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-14 01:43:08,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:43:08,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:43:08,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:43:08,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:43:08,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:43:08,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-14 01:43:08,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:43:08,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:43:08,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:43:08,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:43:08,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:43:08,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-14 01:43:08,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:43:08,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:43:08,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:43:08,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:43:08,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:43:08,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-14 01:43:08,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:43:08,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:43:08,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:43:08,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:43:08,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:43:08,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-14 01:43:08,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:43:08,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:43:08,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:43:08,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:43:08,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:43:08,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-07-14 01:43:08,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:43:08,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:43:08,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:43:08,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:43:08,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:43:08,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2022-07-14 01:43:08,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:43:08,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:43:08,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:43:08,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2022-07-14 01:43:08,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:43:08,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:43:08,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:43:08,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2022-07-14 01:43:08,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:43:08,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:43:08,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:43:08,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2022-07-14 01:43:08,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:43:08,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:43:08,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:43:08,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2022-07-14 01:43:08,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:43:08,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:43:08,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:43:08,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2022-07-14 01:43:08,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:43:08,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:43:08,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:43:08,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2022-07-14 01:43:08,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:43:08,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:43:08,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:43:08,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2022-07-14 01:43:08,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:43:08,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:43:08,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:43:08,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2022-07-14 01:43:08,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:43:08,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:43:08,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:43:08,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2022-07-14 01:43:08,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:43:08,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:43:08,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:43:08,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2022-07-14 01:43:08,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:43:08,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:43:08,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:43:08,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 316 [2022-07-14 01:43:08,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:43:08,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:43:08,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:43:08,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327 [2022-07-14 01:43:08,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:43:08,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:43:08,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:43:08,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2022-07-14 01:43:08,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:43:08,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:43:08,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:43:08,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2022-07-14 01:43:08,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:43:08,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:43:08,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:43:08,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 360 [2022-07-14 01:43:08,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:43:08,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:43:08,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:43:08,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 385 [2022-07-14 01:43:08,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:43:08,594 INFO L134 CoverageAnalysis]: Checked inductivity of 2004 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2004 trivial. 0 not checked. [2022-07-14 01:43:08,594 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 01:43:08,594 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1637151036] [2022-07-14 01:43:08,595 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1637151036] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 01:43:08,595 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 01:43:08,596 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-14 01:43:08,596 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2067933330] [2022-07-14 01:43:08,596 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 01:43:08,599 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-14 01:43:08,599 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 01:43:08,600 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-14 01:43:08,600 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-14 01:43:08,600 INFO L87 Difference]: Start difference. First operand 2464 states and 3404 transitions. Second operand has 6 states, 6 states have (on average 11.5) internal successors, (69), 3 states have internal predecessors, (69), 2 states have call successors, (35), 5 states have call predecessors, (35), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2022-07-14 01:43:11,626 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 01:43:17,613 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 01:43:20,869 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 01:43:21,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 01:43:21,352 INFO L93 Difference]: Finished difference Result 7800 states and 10970 transitions. [2022-07-14 01:43:21,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-14 01:43:21,352 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.5) internal successors, (69), 3 states have internal predecessors, (69), 2 states have call successors, (35), 5 states have call predecessors, (35), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 399 [2022-07-14 01:43:21,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 01:43:21,390 INFO L225 Difference]: With dead ends: 7800 [2022-07-14 01:43:21,391 INFO L226 Difference]: Without dead ends: 5403 [2022-07-14 01:43:21,406 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 147 GetRequests, 140 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2022-07-14 01:43:21,408 INFO L413 NwaCegarLoop]: 1866 mSDtfsCounter, 3803 mSDsluCounter, 2260 mSDsCounter, 0 mSdLazyCounter, 1370 mSolverCounterSat, 2222 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3958 SdHoareTripleChecker+Valid, 4126 SdHoareTripleChecker+Invalid, 3595 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2222 IncrementalHoareTripleChecker+Valid, 1370 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.4s IncrementalHoareTripleChecker+Time [2022-07-14 01:43:21,409 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3958 Valid, 4126 Invalid, 3595 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2222 Valid, 1370 Invalid, 3 Unknown, 0 Unchecked, 12.4s Time] [2022-07-14 01:43:21,417 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5403 states. [2022-07-14 01:43:21,584 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5403 to 4760. [2022-07-14 01:43:21,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4760 states, 3436 states have (on average 1.3227590221187426) internal successors, (4545), 3502 states have internal predecessors, (4545), 1012 states have call successors, (1012), 312 states have call predecessors, (1012), 311 states have return successors, (1005), 985 states have call predecessors, (1005), 1005 states have call successors, (1005) [2022-07-14 01:43:21,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4760 states to 4760 states and 6562 transitions. [2022-07-14 01:43:21,624 INFO L78 Accepts]: Start accepts. Automaton has 4760 states and 6562 transitions. Word has length 399 [2022-07-14 01:43:21,626 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 01:43:21,626 INFO L495 AbstractCegarLoop]: Abstraction has 4760 states and 6562 transitions. [2022-07-14 01:43:21,627 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.5) internal successors, (69), 3 states have internal predecessors, (69), 2 states have call successors, (35), 5 states have call predecessors, (35), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2022-07-14 01:43:21,627 INFO L276 IsEmpty]: Start isEmpty. Operand 4760 states and 6562 transitions. [2022-07-14 01:43:21,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 410 [2022-07-14 01:43:21,636 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 01:43:21,636 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 16, 16, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 01:43:21,637 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-14 01:43:21,637 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 01:43:21,637 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 01:43:21,637 INFO L85 PathProgramCache]: Analyzing trace with hash 314844901, now seen corresponding path program 1 times [2022-07-14 01:43:21,638 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 01:43:21,638 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1549093105] [2022-07-14 01:43:21,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 01:43:21,638 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 01:43:21,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:43:22,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 01:43:22,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:43:22,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:43:22,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:43:22,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:43:22,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:43:22,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-14 01:43:22,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:43:22,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:43:22,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:43:22,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:43:22,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:43:22,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-14 01:43:22,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:43:22,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:43:22,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:43:22,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:43:22,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:43:22,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-14 01:43:22,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:43:22,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:43:22,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:43:22,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:43:22,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:43:22,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-14 01:43:22,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:43:22,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:43:22,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:43:22,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:43:22,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:43:22,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-14 01:43:22,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:43:22,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:43:22,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:43:22,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:43:22,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:43:22,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-14 01:43:22,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:43:22,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:43:22,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:43:22,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:43:22,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:43:22,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-14 01:43:22,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:43:22,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:43:22,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:43:22,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:43:22,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:43:22,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-14 01:43:22,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:43:22,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:43:22,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:43:22,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:43:22,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:43:22,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-14 01:43:22,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:43:22,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:43:22,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:43:22,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:43:22,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:43:22,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-14 01:43:22,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:43:22,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:43:22,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:43:22,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:43:22,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:43:22,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-07-14 01:43:22,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:43:22,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:43:22,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:43:22,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:43:22,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:43:22,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2022-07-14 01:43:22,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:43:22,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:43:22,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:43:22,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2022-07-14 01:43:22,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:43:22,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:43:22,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:43:22,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2022-07-14 01:43:22,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:43:22,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:43:22,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:43:22,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2022-07-14 01:43:22,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:43:22,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:43:22,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:43:22,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2022-07-14 01:43:22,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:43:22,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:43:22,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:43:22,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2022-07-14 01:43:22,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:43:22,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:43:22,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:43:22,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2022-07-14 01:43:22,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:43:22,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:43:22,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:43:22,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2022-07-14 01:43:22,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:43:22,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:43:22,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:43:22,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2022-07-14 01:43:22,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:43:22,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:43:22,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:43:22,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2022-07-14 01:43:22,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:43:22,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:43:22,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:43:22,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2022-07-14 01:43:22,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:43:22,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:43:22,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:43:22,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 316 [2022-07-14 01:43:22,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:43:22,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:43:22,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:43:22,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327 [2022-07-14 01:43:22,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:43:22,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:43:22,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:43:22,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2022-07-14 01:43:22,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:43:22,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:43:22,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:43:22,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2022-07-14 01:43:22,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:43:22,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:43:22,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:43:22,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 360 [2022-07-14 01:43:22,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:43:22,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:43:22,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:43:22,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 384 [2022-07-14 01:43:22,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:43:22,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:43:22,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:43:22,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:43:22,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:43:22,623 INFO L134 CoverageAnalysis]: Checked inductivity of 2172 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2172 trivial. 0 not checked. [2022-07-14 01:43:22,624 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 01:43:22,625 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1549093105] [2022-07-14 01:43:22,625 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1549093105] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 01:43:22,625 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 01:43:22,625 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-14 01:43:22,626 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1529972019] [2022-07-14 01:43:22,626 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 01:43:22,626 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-14 01:43:22,627 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 01:43:22,628 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-14 01:43:22,628 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-14 01:43:22,628 INFO L87 Difference]: Start difference. First operand 4760 states and 6562 transitions. Second operand has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 3 states have internal predecessors, (68), 3 states have call successors, (33), 5 states have call predecessors, (33), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2022-07-14 01:43:25,809 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.67s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 01:43:28,377 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 01:43:34,259 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 01:43:37,173 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 01:43:40,262 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 01:43:42,291 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 01:43:42,949 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 01:43:42,950 INFO L93 Difference]: Finished difference Result 5385 states and 7637 transitions. [2022-07-14 01:43:42,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-14 01:43:42,950 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 3 states have internal predecessors, (68), 3 states have call successors, (33), 5 states have call predecessors, (33), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 409 [2022-07-14 01:43:42,955 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 01:43:42,990 INFO L225 Difference]: With dead ends: 5385 [2022-07-14 01:43:42,990 INFO L226 Difference]: Without dead ends: 5382 [2022-07-14 01:43:42,997 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 142 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2022-07-14 01:43:43,002 INFO L413 NwaCegarLoop]: 1666 mSDtfsCounter, 2267 mSDsluCounter, 2417 mSDsCounter, 0 mSdLazyCounter, 1451 mSolverCounterSat, 859 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2390 SdHoareTripleChecker+Valid, 4083 SdHoareTripleChecker+Invalid, 2315 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 859 IncrementalHoareTripleChecker+Valid, 1451 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.1s IncrementalHoareTripleChecker+Time [2022-07-14 01:43:43,003 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2390 Valid, 4083 Invalid, 2315 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [859 Valid, 1451 Invalid, 5 Unknown, 0 Unchecked, 20.1s Time] [2022-07-14 01:43:43,010 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5382 states. [2022-07-14 01:43:43,172 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5382 to 4759. [2022-07-14 01:43:43,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4759 states, 3436 states have (on average 1.3224679860302677) internal successors, (4544), 3501 states have internal predecessors, (4544), 1011 states have call successors, (1011), 312 states have call predecessors, (1011), 311 states have return successors, (1005), 985 states have call predecessors, (1005), 1005 states have call successors, (1005) [2022-07-14 01:43:43,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4759 states to 4759 states and 6560 transitions. [2022-07-14 01:43:43,201 INFO L78 Accepts]: Start accepts. Automaton has 4759 states and 6560 transitions. Word has length 409 [2022-07-14 01:43:43,202 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 01:43:43,202 INFO L495 AbstractCegarLoop]: Abstraction has 4759 states and 6560 transitions. [2022-07-14 01:43:43,202 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 3 states have internal predecessors, (68), 3 states have call successors, (33), 5 states have call predecessors, (33), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2022-07-14 01:43:43,203 INFO L276 IsEmpty]: Start isEmpty. Operand 4759 states and 6560 transitions. [2022-07-14 01:43:43,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 411 [2022-07-14 01:43:43,211 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 01:43:43,212 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 16, 16, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 01:43:43,212 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-14 01:43:43,212 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 01:43:43,212 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 01:43:43,213 INFO L85 PathProgramCache]: Analyzing trace with hash 1169847560, now seen corresponding path program 1 times [2022-07-14 01:43:43,213 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 01:43:43,213 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1426168636] [2022-07-14 01:43:43,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 01:43:43,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 01:43:43,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:43:43,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 01:43:43,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:43:43,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:43:43,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:43:43,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:43:43,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:43:43,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-14 01:43:43,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:43:43,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:43:43,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:43:43,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:43:43,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:43:43,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-14 01:43:43,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:43:43,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:43:43,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:43:43,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:43:43,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:43:43,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-14 01:43:43,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:43:43,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:43:43,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:43:43,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:43:43,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:43:43,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-14 01:43:43,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:43:43,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:43:43,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:43:43,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:43:43,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:43:43,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-14 01:43:43,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:43:43,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:43:43,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:43:43,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:43:43,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:43:43,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-14 01:43:43,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:43:43,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:43:43,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:43:43,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:43:43,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:43:43,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-14 01:43:43,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:43:43,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:43:43,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:43:43,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:43:43,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:43:43,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-14 01:43:43,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:43:43,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:43:43,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:43:43,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:43:43,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:43:43,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-14 01:43:43,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:43:43,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:43:43,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:43:43,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:43:43,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:43:43,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-14 01:43:43,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:43:43,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:43:43,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:43:43,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:43:43,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:43:43,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-07-14 01:43:43,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:43:43,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:43:43,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:43:43,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:43:43,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:43:43,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2022-07-14 01:43:43,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:43:43,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:43:43,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:43:43,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2022-07-14 01:43:43,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:43:43,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:43:43,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:43:43,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2022-07-14 01:43:43,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:43:43,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:43:43,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:43:43,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2022-07-14 01:43:43,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:43:43,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:43:43,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:43:43,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2022-07-14 01:43:43,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:43:43,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:43:43,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:43:43,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2022-07-14 01:43:43,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:43:43,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:43:43,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:43:43,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2022-07-14 01:43:43,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:43:43,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:43:43,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:43:43,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2022-07-14 01:43:43,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:43:43,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:43:43,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:43:43,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2022-07-14 01:43:43,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:43:43,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:43:43,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:43:43,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2022-07-14 01:43:43,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:43:43,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:43:43,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:43:43,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2022-07-14 01:43:43,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:43:43,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:43:43,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:43:44,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 316 [2022-07-14 01:43:44,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:43:44,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:43:44,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:43:44,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327 [2022-07-14 01:43:44,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:43:44,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:43:44,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:43:44,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2022-07-14 01:43:44,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:43:44,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:43:44,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:43:44,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2022-07-14 01:43:44,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:43:44,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:43:44,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:43:44,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 360 [2022-07-14 01:43:44,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:43:44,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:43:44,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:43:44,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 384 [2022-07-14 01:43:44,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:43:44,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:43:44,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:43:44,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:43:44,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:43:44,106 INFO L134 CoverageAnalysis]: Checked inductivity of 2172 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2172 trivial. 0 not checked. [2022-07-14 01:43:44,106 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 01:43:44,106 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1426168636] [2022-07-14 01:43:44,106 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1426168636] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 01:43:44,107 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 01:43:44,107 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-14 01:43:44,107 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [794167687] [2022-07-14 01:43:44,107 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 01:43:44,108 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-14 01:43:44,108 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 01:43:44,109 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-14 01:43:44,109 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-14 01:43:44,109 INFO L87 Difference]: Start difference. First operand 4759 states and 6560 transitions. Second operand has 6 states, 6 states have (on average 11.5) internal successors, (69), 3 states have internal predecessors, (69), 3 states have call successors, (33), 5 states have call predecessors, (33), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2022-07-14 01:43:47,156 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 01:43:52,543 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 01:43:52,943 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 01:43:52,943 INFO L93 Difference]: Finished difference Result 5384 states and 7635 transitions. [2022-07-14 01:43:52,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-14 01:43:52,944 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.5) internal successors, (69), 3 states have internal predecessors, (69), 3 states have call successors, (33), 5 states have call predecessors, (33), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 410 [2022-07-14 01:43:52,944 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 01:43:52,981 INFO L225 Difference]: With dead ends: 5384 [2022-07-14 01:43:52,982 INFO L226 Difference]: Without dead ends: 5381 [2022-07-14 01:43:52,988 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 142 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2022-07-14 01:43:52,990 INFO L413 NwaCegarLoop]: 1645 mSDtfsCounter, 2693 mSDsluCounter, 940 mSDsCounter, 0 mSdLazyCounter, 620 mSolverCounterSat, 1246 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2821 SdHoareTripleChecker+Valid, 2585 SdHoareTripleChecker+Invalid, 1868 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1246 IncrementalHoareTripleChecker+Valid, 620 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.6s IncrementalHoareTripleChecker+Time [2022-07-14 01:43:52,991 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2821 Valid, 2585 Invalid, 1868 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1246 Valid, 620 Invalid, 2 Unknown, 0 Unchecked, 8.6s Time] [2022-07-14 01:43:52,998 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5381 states. [2022-07-14 01:43:53,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5381 to 4758. [2022-07-14 01:43:53,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4758 states, 3436 states have (on average 1.3221769499417928) internal successors, (4543), 3500 states have internal predecessors, (4543), 1010 states have call successors, (1010), 312 states have call predecessors, (1010), 311 states have return successors, (1005), 985 states have call predecessors, (1005), 1005 states have call successors, (1005) [2022-07-14 01:43:53,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4758 states to 4758 states and 6558 transitions. [2022-07-14 01:43:53,229 INFO L78 Accepts]: Start accepts. Automaton has 4758 states and 6558 transitions. Word has length 410 [2022-07-14 01:43:53,230 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 01:43:53,231 INFO L495 AbstractCegarLoop]: Abstraction has 4758 states and 6558 transitions. [2022-07-14 01:43:53,231 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.5) internal successors, (69), 3 states have internal predecessors, (69), 3 states have call successors, (33), 5 states have call predecessors, (33), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2022-07-14 01:43:53,232 INFO L276 IsEmpty]: Start isEmpty. Operand 4758 states and 6558 transitions. [2022-07-14 01:43:53,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 412 [2022-07-14 01:43:53,238 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 01:43:53,239 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 16, 16, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 01:43:53,239 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-14 01:43:53,239 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 01:43:53,239 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 01:43:53,240 INFO L85 PathProgramCache]: Analyzing trace with hash 1905131080, now seen corresponding path program 1 times [2022-07-14 01:43:53,240 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 01:43:53,241 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1743735562] [2022-07-14 01:43:53,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 01:43:53,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 01:43:53,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:43:53,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 01:43:53,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:43:53,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:43:53,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:43:53,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:43:53,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:43:53,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-14 01:43:53,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:43:53,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:43:53,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:43:53,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:43:53,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:43:53,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-14 01:43:53,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:43:53,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:43:53,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:43:53,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:43:53,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:43:53,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-14 01:43:53,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:43:53,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:43:53,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:43:53,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:43:53,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:43:53,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-14 01:43:53,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:43:53,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:43:53,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:43:53,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:43:53,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:43:53,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-14 01:43:53,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:43:53,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:43:53,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:43:53,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:43:53,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:43:53,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-14 01:43:53,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:43:53,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:43:53,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:43:53,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:43:53,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:43:53,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-14 01:43:53,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:43:53,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:43:53,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:43:53,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:43:53,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:43:53,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-14 01:43:53,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:43:53,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:43:53,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:43:53,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:43:53,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:43:53,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-14 01:43:53,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:43:53,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:43:53,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:43:53,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:43:53,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:43:53,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-14 01:43:53,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:43:53,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:43:53,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:43:53,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:43:53,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:43:53,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-07-14 01:43:53,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:43:53,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:43:53,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:43:53,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:43:53,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:43:53,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2022-07-14 01:43:53,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:43:53,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:43:53,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:43:53,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2022-07-14 01:43:53,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:43:53,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:43:53,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:43:53,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2022-07-14 01:43:53,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:43:53,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:43:53,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:43:53,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2022-07-14 01:43:53,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:43:53,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:43:53,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:43:53,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2022-07-14 01:43:53,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:43:53,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:43:53,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:43:53,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2022-07-14 01:43:53,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:43:53,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:43:53,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:43:53,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2022-07-14 01:43:53,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:43:53,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:43:53,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:43:53,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2022-07-14 01:43:53,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:43:53,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:43:53,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:43:53,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2022-07-14 01:43:53,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:43:53,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:43:53,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:43:53,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2022-07-14 01:43:53,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:43:53,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:43:53,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:43:53,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2022-07-14 01:43:53,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:43:53,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:43:53,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:43:53,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 316 [2022-07-14 01:43:53,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:43:53,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:43:53,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:43:53,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327 [2022-07-14 01:43:53,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:43:53,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:43:53,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:43:53,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2022-07-14 01:43:53,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:43:53,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:43:53,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:43:53,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2022-07-14 01:43:53,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:43:53,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:43:53,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:43:53,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 360 [2022-07-14 01:43:53,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:43:53,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:43:53,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:43:54,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 384 [2022-07-14 01:43:54,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:43:54,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:43:54,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:43:54,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:43:54,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:43:54,128 INFO L134 CoverageAnalysis]: Checked inductivity of 2172 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2172 trivial. 0 not checked. [2022-07-14 01:43:54,128 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 01:43:54,128 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1743735562] [2022-07-14 01:43:54,128 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1743735562] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 01:43:54,128 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 01:43:54,128 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-14 01:43:54,129 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1544619456] [2022-07-14 01:43:54,129 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 01:43:54,129 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-14 01:43:54,129 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 01:43:54,130 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-14 01:43:54,130 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-14 01:43:54,130 INFO L87 Difference]: Start difference. First operand 4758 states and 6558 transitions. Second operand has 6 states, 6 states have (on average 11.666666666666666) internal successors, (70), 3 states have internal predecessors, (70), 3 states have call successors, (33), 5 states have call predecessors, (33), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2022-07-14 01:43:58,302 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 01:44:02,629 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.96s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 01:44:06,618 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.61s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 01:44:10,292 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 01:44:11,087 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 01:44:11,087 INFO L93 Difference]: Finished difference Result 15285 states and 21948 transitions. [2022-07-14 01:44:11,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-14 01:44:11,087 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.666666666666666) internal successors, (70), 3 states have internal predecessors, (70), 3 states have call successors, (33), 5 states have call predecessors, (33), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 411 [2022-07-14 01:44:11,088 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 01:44:11,153 INFO L225 Difference]: With dead ends: 15285 [2022-07-14 01:44:11,153 INFO L226 Difference]: Without dead ends: 10604 [2022-07-14 01:44:11,183 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 150 GetRequests, 143 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2022-07-14 01:44:11,184 INFO L413 NwaCegarLoop]: 2089 mSDtfsCounter, 3564 mSDsluCounter, 2501 mSDsCounter, 0 mSdLazyCounter, 1428 mSolverCounterSat, 2076 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3702 SdHoareTripleChecker+Valid, 4590 SdHoareTripleChecker+Invalid, 3506 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2076 IncrementalHoareTripleChecker+Valid, 1428 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.5s IncrementalHoareTripleChecker+Time [2022-07-14 01:44:11,185 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3702 Valid, 4590 Invalid, 3506 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2076 Valid, 1428 Invalid, 2 Unknown, 0 Unchecked, 16.5s Time] [2022-07-14 01:44:11,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10604 states. [2022-07-14 01:44:11,570 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10604 to 9501. [2022-07-14 01:44:11,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9501 states, 6860 states have (on average 1.3212827988338192) internal successors, (9064), 7000 states have internal predecessors, (9064), 1989 states have call successors, (1989), 609 states have call predecessors, (1989), 651 states have return successors, (2363), 1971 states have call predecessors, (2363), 1983 states have call successors, (2363) [2022-07-14 01:44:11,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9501 states to 9501 states and 13416 transitions. [2022-07-14 01:44:11,630 INFO L78 Accepts]: Start accepts. Automaton has 9501 states and 13416 transitions. Word has length 411 [2022-07-14 01:44:11,631 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 01:44:11,631 INFO L495 AbstractCegarLoop]: Abstraction has 9501 states and 13416 transitions. [2022-07-14 01:44:11,631 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.666666666666666) internal successors, (70), 3 states have internal predecessors, (70), 3 states have call successors, (33), 5 states have call predecessors, (33), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2022-07-14 01:44:11,632 INFO L276 IsEmpty]: Start isEmpty. Operand 9501 states and 13416 transitions. [2022-07-14 01:44:11,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 413 [2022-07-14 01:44:11,636 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 01:44:11,636 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 16, 16, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 01:44:11,637 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-14 01:44:11,637 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 01:44:11,637 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 01:44:11,637 INFO L85 PathProgramCache]: Analyzing trace with hash -1070878709, now seen corresponding path program 1 times [2022-07-14 01:44:11,638 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 01:44:11,638 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [912188134] [2022-07-14 01:44:11,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 01:44:11,638 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 01:44:11,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:44:11,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 01:44:11,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:44:11,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:44:11,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:44:11,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:44:11,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:44:11,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-14 01:44:12,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:44:12,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:44:12,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:44:12,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:44:12,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:44:12,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-14 01:44:12,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:44:12,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:44:12,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:44:12,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:44:12,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:44:12,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-14 01:44:12,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:44:12,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:44:12,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:44:12,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:44:12,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:44:12,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-14 01:44:12,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:44:12,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:44:12,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:44:12,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:44:12,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:44:12,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-14 01:44:12,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:44:12,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:44:12,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:44:12,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:44:12,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:44:12,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-14 01:44:12,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:44:12,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:44:12,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:44:12,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:44:12,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:44:12,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-14 01:44:12,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:44:12,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:44:12,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:44:12,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:44:12,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:44:12,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-14 01:44:12,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:44:12,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:44:12,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:44:12,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:44:12,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:44:12,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-14 01:44:12,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:44:12,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:44:12,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:44:12,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:44:12,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:44:12,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-14 01:44:12,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:44:12,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:44:12,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:44:12,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:44:12,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:44:12,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-07-14 01:44:12,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:44:12,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:44:12,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:44:12,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:44:12,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:44:12,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2022-07-14 01:44:12,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:44:12,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:44:12,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:44:12,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2022-07-14 01:44:12,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:44:12,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:44:12,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:44:12,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2022-07-14 01:44:12,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:44:12,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:44:12,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:44:12,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2022-07-14 01:44:12,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:44:12,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:44:12,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:44:12,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2022-07-14 01:44:12,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:44:12,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:44:12,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:44:12,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2022-07-14 01:44:12,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:44:12,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:44:12,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:44:12,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2022-07-14 01:44:12,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:44:12,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:44:12,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:44:12,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2022-07-14 01:44:12,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:44:12,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:44:12,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:44:12,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2022-07-14 01:44:12,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:44:12,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:44:12,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:44:12,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2022-07-14 01:44:12,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:44:12,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:44:12,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:44:12,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2022-07-14 01:44:12,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:44:12,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:44:12,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:44:12,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 316 [2022-07-14 01:44:12,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:44:12,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:44:12,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:44:12,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327 [2022-07-14 01:44:12,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:44:12,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:44:12,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:44:12,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2022-07-14 01:44:12,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:44:12,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:44:12,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:44:12,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2022-07-14 01:44:12,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:44:12,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:44:12,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:44:12,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 360 [2022-07-14 01:44:12,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:44:12,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:44:12,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:44:12,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 384 [2022-07-14 01:44:12,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:44:12,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:44:12,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:44:12,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:44:12,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:44:12,485 INFO L134 CoverageAnalysis]: Checked inductivity of 2172 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2172 trivial. 0 not checked. [2022-07-14 01:44:12,485 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 01:44:12,485 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [912188134] [2022-07-14 01:44:12,485 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [912188134] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 01:44:12,485 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 01:44:12,485 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-14 01:44:12,485 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [727549287] [2022-07-14 01:44:12,486 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 01:44:12,486 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-14 01:44:12,486 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 01:44:12,487 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-14 01:44:12,487 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-14 01:44:12,487 INFO L87 Difference]: Start difference. First operand 9501 states and 13416 transitions. Second operand has 6 states, 6 states have (on average 11.833333333333334) internal successors, (71), 3 states have internal predecessors, (71), 3 states have call successors, (33), 5 states have call predecessors, (33), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2022-07-14 01:44:16,322 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 01:44:21,050 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 01:44:21,425 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 01:44:21,425 INFO L93 Difference]: Finished difference Result 10591 states and 15259 transitions. [2022-07-14 01:44:21,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-14 01:44:21,426 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.833333333333334) internal successors, (71), 3 states have internal predecessors, (71), 3 states have call successors, (33), 5 states have call predecessors, (33), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 412 [2022-07-14 01:44:21,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 01:44:21,478 INFO L225 Difference]: With dead ends: 10591 [2022-07-14 01:44:21,479 INFO L226 Difference]: Without dead ends: 10588 [2022-07-14 01:44:21,488 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 142 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2022-07-14 01:44:21,489 INFO L413 NwaCegarLoop]: 1651 mSDtfsCounter, 2686 mSDsluCounter, 945 mSDsCounter, 0 mSdLazyCounter, 616 mSolverCounterSat, 1249 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2810 SdHoareTripleChecker+Valid, 2596 SdHoareTripleChecker+Invalid, 1867 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1249 IncrementalHoareTripleChecker+Valid, 616 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.6s IncrementalHoareTripleChecker+Time [2022-07-14 01:44:21,489 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2810 Valid, 2596 Invalid, 1867 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1249 Valid, 616 Invalid, 2 Unknown, 0 Unchecked, 8.6s Time] [2022-07-14 01:44:21,501 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10588 states. [2022-07-14 01:44:21,847 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10588 to 9500. [2022-07-14 01:44:21,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9500 states, 6860 states have (on average 1.3211370262390671) internal successors, (9063), 6999 states have internal predecessors, (9063), 1988 states have call successors, (1988), 609 states have call predecessors, (1988), 651 states have return successors, (2363), 1971 states have call predecessors, (2363), 1983 states have call successors, (2363) [2022-07-14 01:44:21,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9500 states to 9500 states and 13414 transitions. [2022-07-14 01:44:21,898 INFO L78 Accepts]: Start accepts. Automaton has 9500 states and 13414 transitions. Word has length 412 [2022-07-14 01:44:21,899 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 01:44:21,899 INFO L495 AbstractCegarLoop]: Abstraction has 9500 states and 13414 transitions. [2022-07-14 01:44:21,899 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.833333333333334) internal successors, (71), 3 states have internal predecessors, (71), 3 states have call successors, (33), 5 states have call predecessors, (33), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2022-07-14 01:44:21,899 INFO L276 IsEmpty]: Start isEmpty. Operand 9500 states and 13414 transitions. [2022-07-14 01:44:21,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 414 [2022-07-14 01:44:21,904 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 01:44:21,904 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 16, 16, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 01:44:21,904 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-07-14 01:44:21,904 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 01:44:21,905 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 01:44:21,905 INFO L85 PathProgramCache]: Analyzing trace with hash 1162103211, now seen corresponding path program 1 times [2022-07-14 01:44:21,905 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 01:44:21,905 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2134772758] [2022-07-14 01:44:21,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 01:44:21,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 01:44:22,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:44:22,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 01:44:22,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:44:22,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:44:22,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:44:22,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:44:22,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:44:22,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-14 01:44:22,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:44:22,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:44:22,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:44:22,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:44:22,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:44:22,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-14 01:44:22,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:44:22,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:44:22,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:44:22,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:44:22,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:44:22,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-14 01:44:22,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:44:22,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:44:22,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:44:22,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:44:22,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:44:22,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-14 01:44:22,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:44:22,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:44:22,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:44:22,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:44:22,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:44:22,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-14 01:44:22,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:44:22,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:44:22,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:44:22,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:44:22,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:44:22,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-14 01:44:22,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:44:22,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:44:22,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:44:22,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:44:22,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:44:22,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-14 01:44:22,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:44:22,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:44:22,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:44:22,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:44:22,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:44:22,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-14 01:44:22,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:44:22,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:44:22,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:44:22,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:44:22,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:44:22,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-14 01:44:22,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:44:22,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:44:22,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:44:22,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:44:22,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:44:22,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-14 01:44:22,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:44:22,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:44:22,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:44:22,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:44:22,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:44:22,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-07-14 01:44:22,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:44:22,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:44:22,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:44:22,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:44:22,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:44:22,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2022-07-14 01:44:22,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:44:22,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:44:22,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:44:22,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2022-07-14 01:44:22,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:44:22,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:44:22,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:44:22,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2022-07-14 01:44:22,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:44:22,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:44:22,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:44:22,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2022-07-14 01:44:22,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:44:22,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:44:22,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:44:22,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2022-07-14 01:44:22,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:44:22,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:44:22,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:44:22,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2022-07-14 01:44:22,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:44:22,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:44:22,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:44:22,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2022-07-14 01:44:22,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:44:22,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:44:22,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:44:22,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2022-07-14 01:44:22,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:44:22,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:44:22,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:44:22,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2022-07-14 01:44:22,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:44:22,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:44:22,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:44:22,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2022-07-14 01:44:22,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:44:22,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:44:22,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:44:22,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2022-07-14 01:44:22,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:44:22,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:44:22,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:44:22,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 316 [2022-07-14 01:44:22,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:44:22,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:44:22,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:44:22,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327 [2022-07-14 01:44:22,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:44:22,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:44:22,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:44:22,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2022-07-14 01:44:22,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:44:22,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:44:22,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:44:22,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2022-07-14 01:44:22,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:44:22,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:44:22,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:44:22,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 360 [2022-07-14 01:44:22,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:44:22,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:44:22,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:44:22,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 384 [2022-07-14 01:44:22,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:44:22,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:44:22,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:44:22,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:44:22,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:44:22,803 INFO L134 CoverageAnalysis]: Checked inductivity of 2172 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2172 trivial. 0 not checked. [2022-07-14 01:44:22,804 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 01:44:22,804 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2134772758] [2022-07-14 01:44:22,804 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2134772758] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 01:44:22,804 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 01:44:22,804 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-14 01:44:22,805 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [187318383] [2022-07-14 01:44:22,805 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 01:44:22,805 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-14 01:44:22,805 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 01:44:22,806 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-14 01:44:22,806 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-14 01:44:22,806 INFO L87 Difference]: Start difference. First operand 9500 states and 13414 transitions. Second operand has 6 states, 6 states have (on average 12.0) internal successors, (72), 3 states have internal predecessors, (72), 3 states have call successors, (33), 5 states have call predecessors, (33), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2022-07-14 01:44:25,564 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 01:44:30,133 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 01:44:30,452 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 01:44:30,452 INFO L93 Difference]: Finished difference Result 10590 states and 15257 transitions. [2022-07-14 01:44:30,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-14 01:44:30,452 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.0) internal successors, (72), 3 states have internal predecessors, (72), 3 states have call successors, (33), 5 states have call predecessors, (33), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 413 [2022-07-14 01:44:30,453 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 01:44:30,500 INFO L225 Difference]: With dead ends: 10590 [2022-07-14 01:44:30,501 INFO L226 Difference]: Without dead ends: 10578 [2022-07-14 01:44:30,511 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 142 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2022-07-14 01:44:30,512 INFO L413 NwaCegarLoop]: 1648 mSDtfsCounter, 2683 mSDsluCounter, 946 mSDsCounter, 0 mSdLazyCounter, 613 mSolverCounterSat, 1245 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2808 SdHoareTripleChecker+Valid, 2594 SdHoareTripleChecker+Invalid, 1860 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1245 IncrementalHoareTripleChecker+Valid, 613 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.4s IncrementalHoareTripleChecker+Time [2022-07-14 01:44:30,512 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2808 Valid, 2594 Invalid, 1860 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1245 Valid, 613 Invalid, 2 Unknown, 0 Unchecked, 7.4s Time] [2022-07-14 01:44:30,523 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10578 states. [2022-07-14 01:44:30,866 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10578 to 9490. [2022-07-14 01:44:30,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9490 states, 6851 states have (on average 1.3206831119544593) internal successors, (9048), 6989 states have internal predecessors, (9048), 1987 states have call successors, (1987), 609 states have call predecessors, (1987), 651 states have return successors, (2363), 1971 states have call predecessors, (2363), 1983 states have call successors, (2363) [2022-07-14 01:44:30,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9490 states to 9490 states and 13398 transitions. [2022-07-14 01:44:30,923 INFO L78 Accepts]: Start accepts. Automaton has 9490 states and 13398 transitions. Word has length 413 [2022-07-14 01:44:30,923 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 01:44:30,924 INFO L495 AbstractCegarLoop]: Abstraction has 9490 states and 13398 transitions. [2022-07-14 01:44:30,924 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.0) internal successors, (72), 3 states have internal predecessors, (72), 3 states have call successors, (33), 5 states have call predecessors, (33), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2022-07-14 01:44:30,924 INFO L276 IsEmpty]: Start isEmpty. Operand 9490 states and 13398 transitions. [2022-07-14 01:44:30,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 444 [2022-07-14 01:44:30,995 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 01:44:30,995 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 16, 16, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 01:44:30,996 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-07-14 01:44:30,996 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 01:44:30,997 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 01:44:30,998 INFO L85 PathProgramCache]: Analyzing trace with hash 118948099, now seen corresponding path program 1 times [2022-07-14 01:44:30,998 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 01:44:30,998 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [210601987] [2022-07-14 01:44:30,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 01:44:30,998 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 01:44:31,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:44:31,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 01:44:31,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:44:31,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:44:31,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:44:31,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:44:31,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:44:31,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-14 01:44:31,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:44:31,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:44:31,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:44:31,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:44:31,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:44:31,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-14 01:44:31,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:44:31,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:44:31,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:44:31,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:44:31,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:44:31,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-14 01:44:31,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:44:31,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:44:31,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:44:31,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:44:31,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:44:31,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-14 01:44:31,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:44:31,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:44:31,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:44:31,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:44:31,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:44:31,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-14 01:44:31,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:44:31,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:44:31,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:44:31,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:44:31,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:44:31,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-14 01:44:31,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:44:31,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:44:31,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:44:31,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:44:31,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:44:31,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-14 01:44:31,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:44:31,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:44:31,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:44:31,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:44:31,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:44:31,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-14 01:44:31,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:44:31,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:44:31,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:44:31,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:44:31,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:44:31,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-14 01:44:31,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:44:31,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:44:31,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:44:31,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:44:31,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:44:31,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-14 01:44:31,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:44:31,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:44:31,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:44:31,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:44:31,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:44:31,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-07-14 01:44:31,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:44:31,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:44:31,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:44:31,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:44:31,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:44:31,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2022-07-14 01:44:31,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:44:31,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:44:31,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:44:31,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2022-07-14 01:44:31,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:44:31,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:44:31,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:44:31,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2022-07-14 01:44:31,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:44:31,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:44:31,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:44:31,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2022-07-14 01:44:31,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:44:31,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:44:31,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:44:31,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2022-07-14 01:44:31,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:44:31,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:44:31,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:44:31,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2022-07-14 01:44:31,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:44:31,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:44:31,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:44:31,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2022-07-14 01:44:31,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:44:31,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:44:31,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:44:31,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2022-07-14 01:44:31,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:44:31,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:44:31,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:44:31,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2022-07-14 01:44:31,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:44:31,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:44:31,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:44:31,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2022-07-14 01:44:31,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:44:31,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:44:31,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:44:31,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2022-07-14 01:44:31,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:44:31,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:44:31,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:44:31,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 316 [2022-07-14 01:44:31,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:44:31,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:44:31,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:44:31,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327 [2022-07-14 01:44:31,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:44:31,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:44:31,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:44:31,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2022-07-14 01:44:31,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:44:31,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:44:31,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:44:31,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2022-07-14 01:44:31,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:44:31,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:44:31,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:44:31,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 360 [2022-07-14 01:44:31,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:44:31,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:44:31,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:44:31,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 384 [2022-07-14 01:44:31,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:44:31,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 394 [2022-07-14 01:44:31,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:44:31,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 399 [2022-07-14 01:44:31,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:44:31,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 403 [2022-07-14 01:44:31,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:44:31,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 408 [2022-07-14 01:44:31,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:44:31,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 413 [2022-07-14 01:44:31,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:44:31,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 420 [2022-07-14 01:44:31,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:44:31,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:44:31,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:44:31,722 INFO L134 CoverageAnalysis]: Checked inductivity of 2011 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2011 trivial. 0 not checked. [2022-07-14 01:44:31,722 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 01:44:31,722 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [210601987] [2022-07-14 01:44:31,723 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [210601987] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 01:44:31,723 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 01:44:31,723 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-14 01:44:31,723 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1183471695] [2022-07-14 01:44:31,723 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 01:44:31,724 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-14 01:44:31,724 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 01:44:31,724 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-14 01:44:31,724 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-07-14 01:44:31,725 INFO L87 Difference]: Start difference. First operand 9490 states and 13398 transitions. Second operand has 8 states, 8 states have (on average 11.625) internal successors, (93), 4 states have internal predecessors, (93), 2 states have call successors, (43), 6 states have call predecessors, (43), 1 states have return successors, (39), 1 states have call predecessors, (39), 1 states have call successors, (39) [2022-07-14 01:44:35,611 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.93s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 01:44:36,944 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 01:44:38,974 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 01:44:40,991 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 01:44:43,017 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 01:44:47,025 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.67s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 01:44:49,084 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.81s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 01:44:53,144 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 01:44:55,169 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 01:44:56,173 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 01:44:56,174 INFO L93 Difference]: Finished difference Result 20564 states and 29950 transitions. [2022-07-14 01:44:56,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-14 01:44:56,175 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.625) internal successors, (93), 4 states have internal predecessors, (93), 2 states have call successors, (43), 6 states have call predecessors, (43), 1 states have return successors, (39), 1 states have call predecessors, (39), 1 states have call successors, (39) Word has length 443 [2022-07-14 01:44:56,175 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 01:44:56,232 INFO L225 Difference]: With dead ends: 20564 [2022-07-14 01:44:56,232 INFO L226 Difference]: Without dead ends: 11151 [2022-07-14 01:44:56,285 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 161 GetRequests, 151 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2022-07-14 01:44:56,286 INFO L413 NwaCegarLoop]: 1623 mSDtfsCounter, 1570 mSDsluCounter, 3841 mSDsCounter, 0 mSdLazyCounter, 2433 mSolverCounterSat, 1448 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1648 SdHoareTripleChecker+Valid, 5464 SdHoareTripleChecker+Invalid, 3886 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1448 IncrementalHoareTripleChecker+Valid, 2433 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 23.9s IncrementalHoareTripleChecker+Time [2022-07-14 01:44:56,286 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1648 Valid, 5464 Invalid, 3886 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1448 Valid, 2433 Invalid, 5 Unknown, 0 Unchecked, 23.9s Time] [2022-07-14 01:44:56,298 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11151 states. [2022-07-14 01:44:56,771 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11151 to 9938. [2022-07-14 01:44:56,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9938 states, 7171 states have (on average 1.3119509134011993) internal successors, (9408), 7317 states have internal predecessors, (9408), 2019 states have call successors, (2019), 609 states have call predecessors, (2019), 747 states have return successors, (2747), 2083 states have call predecessors, (2747), 2015 states have call successors, (2747) [2022-07-14 01:44:56,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9938 states to 9938 states and 14174 transitions. [2022-07-14 01:44:56,833 INFO L78 Accepts]: Start accepts. Automaton has 9938 states and 14174 transitions. Word has length 443 [2022-07-14 01:44:56,834 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 01:44:56,834 INFO L495 AbstractCegarLoop]: Abstraction has 9938 states and 14174 transitions. [2022-07-14 01:44:56,835 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.625) internal successors, (93), 4 states have internal predecessors, (93), 2 states have call successors, (43), 6 states have call predecessors, (43), 1 states have return successors, (39), 1 states have call predecessors, (39), 1 states have call successors, (39) [2022-07-14 01:44:56,835 INFO L276 IsEmpty]: Start isEmpty. Operand 9938 states and 14174 transitions. [2022-07-14 01:44:56,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 446 [2022-07-14 01:44:56,841 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 01:44:56,841 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 16, 16, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 01:44:56,841 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-07-14 01:44:56,842 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 01:44:56,842 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 01:44:56,842 INFO L85 PathProgramCache]: Analyzing trace with hash -1391350884, now seen corresponding path program 1 times [2022-07-14 01:44:56,842 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 01:44:56,842 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1878890798] [2022-07-14 01:44:56,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 01:44:56,843 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 01:44:56,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:44:57,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 01:44:57,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:44:57,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:44:57,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:44:57,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:44:57,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:44:57,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-14 01:44:57,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:44:57,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:44:57,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:44:57,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:44:57,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:44:57,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-14 01:44:57,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:44:57,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:44:57,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:44:57,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:44:57,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:44:57,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-14 01:44:57,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:44:57,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:44:57,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:44:57,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:44:57,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:44:57,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-14 01:44:57,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:44:57,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:44:57,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:44:57,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:44:57,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:44:57,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-14 01:44:57,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:44:57,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:44:57,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:44:57,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:44:57,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:44:57,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-14 01:44:57,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:44:57,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:44:57,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:44:57,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:44:57,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:44:57,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-14 01:44:57,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:44:57,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:44:57,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:44:57,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:44:57,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:44:57,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-14 01:44:57,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:44:57,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:44:57,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:44:57,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:44:57,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:44:57,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-14 01:44:57,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:44:57,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:44:57,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:44:57,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:44:57,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:44:57,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-14 01:44:57,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:44:57,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:44:57,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:44:57,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:44:57,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:44:57,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-07-14 01:44:57,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:44:57,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:44:57,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:44:57,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:44:57,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:44:57,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2022-07-14 01:44:57,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:44:57,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:44:57,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:44:57,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2022-07-14 01:44:57,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:44:57,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:44:57,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:44:57,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2022-07-14 01:44:57,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:44:57,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:44:57,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:44:57,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2022-07-14 01:44:57,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:44:57,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:44:57,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:44:57,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2022-07-14 01:44:57,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:44:57,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:44:57,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:44:57,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2022-07-14 01:44:57,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:44:57,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:44:57,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:44:57,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2022-07-14 01:44:57,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:44:57,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:44:57,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:44:57,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2022-07-14 01:44:57,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:44:57,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:44:57,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:44:57,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2022-07-14 01:44:57,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:44:57,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:44:57,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:44:57,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2022-07-14 01:44:57,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:44:57,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:44:57,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:44:57,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2022-07-14 01:44:57,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:44:57,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:44:57,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:44:57,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 316 [2022-07-14 01:44:57,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:44:57,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:44:57,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:44:57,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327 [2022-07-14 01:44:57,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:44:57,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:44:57,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:44:57,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2022-07-14 01:44:57,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:44:57,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:44:57,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:44:57,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2022-07-14 01:44:57,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:44:57,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:44:57,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:44:57,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 360 [2022-07-14 01:44:57,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:44:57,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:44:57,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:44:57,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 386 [2022-07-14 01:44:57,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:44:57,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 396 [2022-07-14 01:44:57,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:44:57,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2022-07-14 01:44:57,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:44:57,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 405 [2022-07-14 01:44:57,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:44:57,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 410 [2022-07-14 01:44:57,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:44:57,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 415 [2022-07-14 01:44:57,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:44:57,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 422 [2022-07-14 01:44:57,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:44:57,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:44:57,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:44:57,689 INFO L134 CoverageAnalysis]: Checked inductivity of 2011 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2011 trivial. 0 not checked. [2022-07-14 01:44:57,690 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 01:44:57,690 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1878890798] [2022-07-14 01:44:57,690 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1878890798] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 01:44:57,690 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 01:44:57,690 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-07-14 01:44:57,691 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [162426055] [2022-07-14 01:44:57,691 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 01:44:57,692 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-14 01:44:57,692 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 01:44:57,693 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-14 01:44:57,693 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2022-07-14 01:44:57,693 INFO L87 Difference]: Start difference. First operand 9938 states and 14174 transitions. Second operand has 9 states, 9 states have (on average 10.555555555555555) internal successors, (95), 5 states have internal predecessors, (95), 2 states have call successors, (43), 6 states have call predecessors, (43), 1 states have return successors, (39), 2 states have call predecessors, (39), 2 states have call successors, (39) [2022-07-14 01:45:03,039 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 01:45:16,882 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 01:45:19,438 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 01:45:21,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 01:45:21,352 INFO L93 Difference]: Finished difference Result 31946 states and 47874 transitions. [2022-07-14 01:45:21,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-07-14 01:45:21,353 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.555555555555555) internal successors, (95), 5 states have internal predecessors, (95), 2 states have call successors, (43), 6 states have call predecessors, (43), 1 states have return successors, (39), 2 states have call predecessors, (39), 2 states have call successors, (39) Word has length 445 [2022-07-14 01:45:21,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 01:45:21,491 INFO L225 Difference]: With dead ends: 31946 [2022-07-14 01:45:21,492 INFO L226 Difference]: Without dead ends: 22085 [2022-07-14 01:45:21,560 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 167 GetRequests, 156 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2022-07-14 01:45:21,563 INFO L413 NwaCegarLoop]: 1784 mSDtfsCounter, 3461 mSDsluCounter, 4605 mSDsCounter, 0 mSdLazyCounter, 5043 mSolverCounterSat, 2060 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3695 SdHoareTripleChecker+Valid, 6389 SdHoareTripleChecker+Invalid, 7106 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2060 IncrementalHoareTripleChecker+Valid, 5043 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 22.8s IncrementalHoareTripleChecker+Time [2022-07-14 01:45:21,564 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3695 Valid, 6389 Invalid, 7106 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2060 Valid, 5043 Invalid, 3 Unknown, 0 Unchecked, 22.8s Time] [2022-07-14 01:45:21,592 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22085 states. [2022-07-14 01:45:22,498 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22085 to 19844. [2022-07-14 01:45:22,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19844 states, 14337 states have (on average 1.3120597056566925) internal successors, (18811), 14643 states have internal predecessors, (18811), 3995 states have call successors, (3995), 1209 states have call predecessors, (3995), 1511 states have return successors, (6375), 4135 states have call predecessors, (6375), 3991 states have call successors, (6375) [2022-07-14 01:45:22,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19844 states to 19844 states and 29181 transitions. [2022-07-14 01:45:22,641 INFO L78 Accepts]: Start accepts. Automaton has 19844 states and 29181 transitions. Word has length 445 [2022-07-14 01:45:22,642 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 01:45:22,642 INFO L495 AbstractCegarLoop]: Abstraction has 19844 states and 29181 transitions. [2022-07-14 01:45:22,642 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.555555555555555) internal successors, (95), 5 states have internal predecessors, (95), 2 states have call successors, (43), 6 states have call predecessors, (43), 1 states have return successors, (39), 2 states have call predecessors, (39), 2 states have call successors, (39) [2022-07-14 01:45:22,642 INFO L276 IsEmpty]: Start isEmpty. Operand 19844 states and 29181 transitions. [2022-07-14 01:45:22,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 445 [2022-07-14 01:45:22,649 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 01:45:22,650 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 16, 16, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 01:45:22,650 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-07-14 01:45:22,650 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 01:45:22,650 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 01:45:22,651 INFO L85 PathProgramCache]: Analyzing trace with hash -51471101, now seen corresponding path program 1 times [2022-07-14 01:45:22,651 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 01:45:22,651 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1930567245] [2022-07-14 01:45:22,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 01:45:22,651 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 01:45:22,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:45:22,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 01:45:23,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:45:23,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:45:23,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:45:23,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:45:23,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:45:23,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-14 01:45:23,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:45:23,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:45:23,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:45:23,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:45:23,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:45:23,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-14 01:45:23,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:45:23,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:45:23,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:45:23,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:45:23,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:45:23,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-14 01:45:23,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:45:23,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:45:23,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:45:23,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:45:23,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:45:23,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-14 01:45:23,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:45:23,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:45:23,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:45:23,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:45:23,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:45:23,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-14 01:45:23,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:45:23,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:45:23,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:45:23,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:45:23,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:45:23,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-14 01:45:23,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:45:23,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:45:23,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:45:23,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:45:23,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:45:23,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-14 01:45:23,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:45:23,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:45:23,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:45:23,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:45:23,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:45:23,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-14 01:45:23,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:45:23,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:45:23,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:45:23,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:45:23,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:45:23,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-14 01:45:23,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:45:23,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:45:23,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:45:23,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:45:23,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:45:23,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-14 01:45:23,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:45:23,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:45:23,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:45:23,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:45:23,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:45:23,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-07-14 01:45:23,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:45:23,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:45:23,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:45:23,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:45:23,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:45:23,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2022-07-14 01:45:23,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:45:23,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:45:23,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:45:23,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2022-07-14 01:45:23,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:45:23,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:45:23,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:45:23,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2022-07-14 01:45:23,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:45:23,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:45:23,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:45:23,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2022-07-14 01:45:23,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:45:23,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:45:23,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:45:23,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2022-07-14 01:45:23,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:45:23,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:45:23,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:45:23,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2022-07-14 01:45:23,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:45:23,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:45:23,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:45:23,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2022-07-14 01:45:23,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:45:23,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:45:23,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:45:23,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2022-07-14 01:45:23,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:45:23,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:45:23,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:45:23,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2022-07-14 01:45:23,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:45:23,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:45:23,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:45:23,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2022-07-14 01:45:23,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:45:23,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:45:23,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:45:23,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2022-07-14 01:45:23,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:45:23,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:45:23,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:45:23,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 316 [2022-07-14 01:45:23,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:45:23,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:45:23,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:45:23,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327 [2022-07-14 01:45:23,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:45:23,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:45:23,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:45:23,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2022-07-14 01:45:23,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:45:23,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:45:23,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:45:23,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2022-07-14 01:45:23,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:45:23,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:45:23,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:45:23,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 360 [2022-07-14 01:45:23,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:45:23,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:45:23,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:45:23,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 385 [2022-07-14 01:45:23,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:45:23,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 395 [2022-07-14 01:45:23,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:45:23,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 400 [2022-07-14 01:45:23,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:45:23,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 404 [2022-07-14 01:45:23,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:45:23,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 409 [2022-07-14 01:45:23,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:45:23,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 414 [2022-07-14 01:45:23,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:45:23,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 421 [2022-07-14 01:45:23,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:45:23,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:45:23,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:45:23,640 INFO L134 CoverageAnalysis]: Checked inductivity of 2011 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2011 trivial. 0 not checked. [2022-07-14 01:45:23,641 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 01:45:23,641 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1930567245] [2022-07-14 01:45:23,641 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1930567245] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 01:45:23,641 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 01:45:23,641 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-07-14 01:45:23,642 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [607044072] [2022-07-14 01:45:23,642 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 01:45:23,642 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-14 01:45:23,642 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 01:45:23,643 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-14 01:45:23,643 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2022-07-14 01:45:23,643 INFO L87 Difference]: Start difference. First operand 19844 states and 29181 transitions. Second operand has 9 states, 9 states have (on average 10.444444444444445) internal successors, (94), 5 states have internal predecessors, (94), 2 states have call successors, (43), 6 states have call predecessors, (43), 1 states have return successors, (39), 2 states have call predecessors, (39), 2 states have call successors, (39) [2022-07-14 01:45:27,889 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 01:45:32,990 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 01:45:39,563 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 01:45:41,581 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 01:45:44,029 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 01:45:44,029 INFO L93 Difference]: Finished difference Result 52794 states and 80334 transitions. [2022-07-14 01:45:44,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-07-14 01:45:44,030 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.444444444444445) internal successors, (94), 5 states have internal predecessors, (94), 2 states have call successors, (43), 6 states have call predecessors, (43), 1 states have return successors, (39), 2 states have call predecessors, (39), 2 states have call successors, (39) Word has length 444 [2022-07-14 01:45:44,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 01:45:44,265 INFO L225 Difference]: With dead ends: 52794 [2022-07-14 01:45:44,265 INFO L226 Difference]: Without dead ends: 33027 [2022-07-14 01:45:44,361 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 167 GetRequests, 156 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2022-07-14 01:45:44,362 INFO L413 NwaCegarLoop]: 1796 mSDtfsCounter, 4493 mSDsluCounter, 3465 mSDsCounter, 0 mSdLazyCounter, 3416 mSolverCounterSat, 2838 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4722 SdHoareTripleChecker+Valid, 5261 SdHoareTripleChecker+Invalid, 6257 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2838 IncrementalHoareTripleChecker+Valid, 3416 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.9s IncrementalHoareTripleChecker+Time [2022-07-14 01:45:44,364 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4722 Valid, 5261 Invalid, 6257 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2838 Valid, 3416 Invalid, 3 Unknown, 0 Unchecked, 18.9s Time] [2022-07-14 01:45:44,399 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33027 states. [2022-07-14 01:45:45,819 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33027 to 29750. [2022-07-14 01:45:45,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29750 states, 21503 states have (on average 1.3113519043854347) internal successors, (28198), 21977 states have internal predecessors, (28198), 5963 states have call successors, (5963), 1809 states have call predecessors, (5963), 2283 states have return successors, (10759), 6179 states have call predecessors, (10759), 5959 states have call successors, (10759) [2022-07-14 01:45:46,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29750 states to 29750 states and 44920 transitions. [2022-07-14 01:45:46,021 INFO L78 Accepts]: Start accepts. Automaton has 29750 states and 44920 transitions. Word has length 444 [2022-07-14 01:45:46,022 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 01:45:46,022 INFO L495 AbstractCegarLoop]: Abstraction has 29750 states and 44920 transitions. [2022-07-14 01:45:46,022 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.444444444444445) internal successors, (94), 5 states have internal predecessors, (94), 2 states have call successors, (43), 6 states have call predecessors, (43), 1 states have return successors, (39), 2 states have call predecessors, (39), 2 states have call successors, (39) [2022-07-14 01:45:46,022 INFO L276 IsEmpty]: Start isEmpty. Operand 29750 states and 44920 transitions. [2022-07-14 01:45:46,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 444 [2022-07-14 01:45:46,032 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 01:45:46,032 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 16, 16, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 01:45:46,032 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-07-14 01:45:46,033 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 01:45:46,033 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 01:45:46,033 INFO L85 PathProgramCache]: Analyzing trace with hash 799006469, now seen corresponding path program 1 times [2022-07-14 01:45:46,034 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 01:45:46,034 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1959888615] [2022-07-14 01:45:46,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 01:45:46,034 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 01:45:46,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:45:46,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 01:45:46,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:45:46,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:45:46,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:45:46,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:45:46,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:45:46,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-14 01:45:46,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:45:46,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:45:46,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:45:46,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:45:46,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:45:46,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-14 01:45:46,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:45:46,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:45:46,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:45:46,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:45:46,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:45:46,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-14 01:45:46,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:45:46,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:45:46,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:45:46,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:45:46,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:45:46,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-14 01:45:46,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:45:46,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:45:46,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:45:46,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:45:46,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:45:46,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-14 01:45:46,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:45:46,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:45:46,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:45:46,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:45:46,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:45:46,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-14 01:45:46,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:45:46,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:45:46,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:45:46,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:45:46,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:45:46,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-14 01:45:46,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:45:46,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:45:46,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:45:46,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:45:46,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:45:46,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-14 01:45:46,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:45:46,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:45:46,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:45:46,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:45:46,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:45:46,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-14 01:45:46,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:45:46,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:45:46,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:45:46,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:45:46,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:45:46,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-14 01:45:46,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:45:46,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:45:46,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:45:46,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:45:46,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:45:46,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-07-14 01:45:46,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:45:46,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:45:46,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:45:46,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:45:46,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:45:46,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2022-07-14 01:45:46,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:45:46,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:45:46,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:45:46,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2022-07-14 01:45:46,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:45:46,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:45:46,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:45:46,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2022-07-14 01:45:46,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:45:46,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:45:46,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:45:46,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2022-07-14 01:45:46,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:45:46,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:45:46,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:45:46,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2022-07-14 01:45:46,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:45:46,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:45:46,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:45:46,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2022-07-14 01:45:46,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:45:46,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:45:46,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:45:46,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2022-07-14 01:45:46,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:45:46,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:45:46,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:45:46,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2022-07-14 01:45:46,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:45:46,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:45:46,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:45:46,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2022-07-14 01:45:46,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:45:46,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:45:46,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:45:46,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2022-07-14 01:45:46,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:45:46,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:45:46,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:45:46,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2022-07-14 01:45:46,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:45:46,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:45:46,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:45:46,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 316 [2022-07-14 01:45:46,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:45:46,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:45:46,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:45:46,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327 [2022-07-14 01:45:46,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:45:46,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:45:46,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:45:46,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2022-07-14 01:45:46,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:45:46,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:45:46,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:45:46,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2022-07-14 01:45:46,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:45:46,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:45:46,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:45:46,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 360 [2022-07-14 01:45:46,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:45:46,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:45:46,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:45:46,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 384 [2022-07-14 01:45:46,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:45:46,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 394 [2022-07-14 01:45:46,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:45:46,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 399 [2022-07-14 01:45:46,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:45:46,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 403 [2022-07-14 01:45:46,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:45:46,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 408 [2022-07-14 01:45:46,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:45:46,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 413 [2022-07-14 01:45:46,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:45:46,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 420 [2022-07-14 01:45:46,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:45:46,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:45:46,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:45:46,773 INFO L134 CoverageAnalysis]: Checked inductivity of 2011 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2011 trivial. 0 not checked. [2022-07-14 01:45:46,773 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 01:45:46,773 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1959888615] [2022-07-14 01:45:46,773 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1959888615] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 01:45:46,774 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 01:45:46,774 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-07-14 01:45:46,774 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1763628560] [2022-07-14 01:45:46,774 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 01:45:46,775 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-14 01:45:46,775 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 01:45:46,776 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-14 01:45:46,776 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2022-07-14 01:45:46,776 INFO L87 Difference]: Start difference. First operand 29750 states and 44920 transitions. Second operand has 9 states, 9 states have (on average 10.333333333333334) internal successors, (93), 5 states have internal predecessors, (93), 2 states have call successors, (43), 6 states have call predecessors, (43), 1 states have return successors, (39), 2 states have call predecessors, (39), 2 states have call successors, (39) [2022-07-14 01:45:52,445 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 01:45:54,635 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.37s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 01:46:04,113 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 01:46:06,142 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 01:46:08,632 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 01:46:08,632 INFO L93 Difference]: Finished difference Result 73618 states and 114894 transitions. [2022-07-14 01:46:08,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-07-14 01:46:08,632 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.333333333333334) internal successors, (93), 5 states have internal predecessors, (93), 2 states have call successors, (43), 6 states have call predecessors, (43), 1 states have return successors, (39), 2 states have call predecessors, (39), 2 states have call successors, (39) Word has length 443 [2022-07-14 01:46:08,633 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 01:46:08,823 INFO L225 Difference]: With dead ends: 73618 [2022-07-14 01:46:08,823 INFO L226 Difference]: Without dead ends: 43945 [2022-07-14 01:46:08,924 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 167 GetRequests, 156 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2022-07-14 01:46:08,924 INFO L413 NwaCegarLoop]: 1793 mSDtfsCounter, 4421 mSDsluCounter, 4176 mSDsCounter, 0 mSdLazyCounter, 4480 mSolverCounterSat, 3308 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4651 SdHoareTripleChecker+Valid, 5969 SdHoareTripleChecker+Invalid, 7791 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3308 IncrementalHoareTripleChecker+Valid, 4480 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.2s IncrementalHoareTripleChecker+Time [2022-07-14 01:46:08,925 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4651 Valid, 5969 Invalid, 7791 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3308 Valid, 4480 Invalid, 3 Unknown, 0 Unchecked, 20.2s Time] [2022-07-14 01:46:08,972 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43945 states. [2022-07-14 01:46:10,688 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43945 to 39632. [2022-07-14 01:46:10,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39632 states, 28653 states have (on average 1.3106131993159529) internal successors, (37553), 29295 states have internal predecessors, (37553), 7923 states have call successors, (7923), 2409 states have call predecessors, (7923), 3055 states have return successors, (15795), 8215 states have call predecessors, (15795), 7919 states have call successors, (15795) [2022-07-14 01:46:10,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39632 states to 39632 states and 61271 transitions. [2022-07-14 01:46:10,923 INFO L78 Accepts]: Start accepts. Automaton has 39632 states and 61271 transitions. Word has length 443 [2022-07-14 01:46:10,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 01:46:10,924 INFO L495 AbstractCegarLoop]: Abstraction has 39632 states and 61271 transitions. [2022-07-14 01:46:10,924 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.333333333333334) internal successors, (93), 5 states have internal predecessors, (93), 2 states have call successors, (43), 6 states have call predecessors, (43), 1 states have return successors, (39), 2 states have call predecessors, (39), 2 states have call successors, (39) [2022-07-14 01:46:10,925 INFO L276 IsEmpty]: Start isEmpty. Operand 39632 states and 61271 transitions. [2022-07-14 01:46:10,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 443 [2022-07-14 01:46:10,931 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 01:46:10,931 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 16, 16, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 01:46:10,932 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-07-14 01:46:10,932 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 01:46:10,932 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 01:46:10,932 INFO L85 PathProgramCache]: Analyzing trace with hash -1414344436, now seen corresponding path program 1 times [2022-07-14 01:46:10,932 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 01:46:10,933 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1444662076] [2022-07-14 01:46:10,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 01:46:10,933 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 01:46:11,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:46:11,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 01:46:11,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:46:11,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:46:11,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:46:11,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:46:11,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:46:11,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-14 01:46:11,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:46:11,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:46:11,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:46:11,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:46:11,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:46:11,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-14 01:46:11,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:46:11,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:46:11,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:46:11,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:46:11,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:46:11,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-14 01:46:11,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:46:11,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:46:11,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:46:11,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:46:11,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:46:11,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-14 01:46:11,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:46:11,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:46:11,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:46:11,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:46:11,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:46:11,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-14 01:46:11,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:46:11,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:46:11,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:46:11,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:46:11,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:46:11,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-14 01:46:11,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:46:11,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:46:11,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:46:11,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:46:11,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:46:11,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-14 01:46:11,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:46:11,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:46:11,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:46:11,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:46:11,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:46:11,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-14 01:46:11,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:46:11,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:46:11,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:46:11,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:46:11,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:46:11,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-14 01:46:11,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:46:11,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:46:11,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:46:11,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:46:11,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:46:11,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-14 01:46:11,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:46:11,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:46:11,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:46:11,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:46:11,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:46:11,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-07-14 01:46:11,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:46:11,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:46:11,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:46:11,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:46:11,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:46:11,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2022-07-14 01:46:11,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:46:11,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:46:11,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:46:11,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2022-07-14 01:46:11,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:46:11,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:46:11,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:46:11,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2022-07-14 01:46:11,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:46:11,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:46:11,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:46:11,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2022-07-14 01:46:11,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:46:11,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:46:11,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:46:11,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2022-07-14 01:46:11,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:46:11,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:46:11,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:46:11,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2022-07-14 01:46:11,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:46:11,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:46:11,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:46:11,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2022-07-14 01:46:11,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:46:11,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:46:11,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:46:11,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2022-07-14 01:46:11,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:46:11,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:46:11,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:46:11,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2022-07-14 01:46:11,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:46:11,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:46:11,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:46:11,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2022-07-14 01:46:11,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:46:11,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:46:11,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:46:11,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2022-07-14 01:46:11,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:46:11,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:46:11,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:46:11,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 316 [2022-07-14 01:46:11,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:46:11,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:46:11,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:46:11,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327 [2022-07-14 01:46:11,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:46:11,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:46:11,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:46:11,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2022-07-14 01:46:11,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:46:11,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:46:11,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:46:11,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2022-07-14 01:46:11,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:46:11,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:46:11,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:46:11,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 360 [2022-07-14 01:46:11,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:46:11,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:46:11,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:46:11,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 383 [2022-07-14 01:46:11,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:46:11,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 393 [2022-07-14 01:46:11,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:46:11,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 398 [2022-07-14 01:46:11,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:46:11,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 402 [2022-07-14 01:46:11,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:46:11,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 407 [2022-07-14 01:46:11,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:46:11,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 412 [2022-07-14 01:46:11,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:46:11,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 419 [2022-07-14 01:46:11,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:46:11,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:46:11,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:46:11,885 INFO L134 CoverageAnalysis]: Checked inductivity of 2011 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2011 trivial. 0 not checked. [2022-07-14 01:46:11,885 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 01:46:11,885 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1444662076] [2022-07-14 01:46:11,885 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1444662076] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 01:46:11,886 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 01:46:11,886 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-07-14 01:46:11,886 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [912449484] [2022-07-14 01:46:11,886 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 01:46:11,887 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-14 01:46:11,887 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 01:46:11,887 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-14 01:46:11,888 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2022-07-14 01:46:11,888 INFO L87 Difference]: Start difference. First operand 39632 states and 61271 transitions. Second operand has 9 states, 9 states have (on average 10.222222222222221) internal successors, (92), 5 states have internal predecessors, (92), 2 states have call successors, (43), 6 states have call predecessors, (43), 1 states have return successors, (39), 2 states have call predecessors, (39), 2 states have call successors, (39) [2022-07-14 01:46:17,828 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 01:46:21,057 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 01:46:26,262 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 01:46:30,108 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 []