./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--smsc--smc91c92_cs.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 35987657 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--smsc--smc91c92_cs.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 3ecfb8b0fcef33da98f558e52c103bea043ca8b7f1be39029ddcf57b060bd03a --- Real Ultimate output --- This is Ultimate 0.2.2-?-3598765 [2022-07-21 12:51:20,297 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-21 12:51:20,299 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-21 12:51:20,338 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-21 12:51:20,338 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-21 12:51:20,339 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-21 12:51:20,342 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-21 12:51:20,345 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-21 12:51:20,346 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-21 12:51:20,349 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-21 12:51:20,350 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-21 12:51:20,354 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-21 12:51:20,354 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-21 12:51:20,355 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-21 12:51:20,356 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-21 12:51:20,358 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-21 12:51:20,359 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-21 12:51:20,360 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-21 12:51:20,361 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-21 12:51:20,365 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-21 12:51:20,366 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-21 12:51:20,367 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-21 12:51:20,368 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-21 12:51:20,369 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-21 12:51:20,370 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-21 12:51:20,376 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-21 12:51:20,376 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-21 12:51:20,376 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-21 12:51:20,377 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-21 12:51:20,377 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-21 12:51:20,378 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-21 12:51:20,378 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-21 12:51:20,380 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-21 12:51:20,380 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-21 12:51:20,381 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-21 12:51:20,382 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-21 12:51:20,382 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-21 12:51:20,382 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-21 12:51:20,383 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-21 12:51:20,383 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-21 12:51:20,383 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-21 12:51:20,384 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-21 12:51:20,391 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-21 12:51:20,418 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-21 12:51:20,419 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-21 12:51:20,419 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-21 12:51:20,419 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-21 12:51:20,420 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-21 12:51:20,420 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-21 12:51:20,420 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-21 12:51:20,421 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-21 12:51:20,421 INFO L138 SettingsManager]: * Use SBE=true [2022-07-21 12:51:20,421 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-21 12:51:20,422 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-21 12:51:20,422 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-21 12:51:20,422 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-21 12:51:20,422 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-21 12:51:20,422 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-21 12:51:20,422 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-21 12:51:20,423 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-21 12:51:20,423 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-21 12:51:20,423 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-21 12:51:20,423 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-21 12:51:20,423 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-21 12:51:20,423 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 12:51:20,424 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-21 12:51:20,424 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-21 12:51:20,424 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-21 12:51:20,424 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-21 12:51:20,424 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-21 12:51:20,424 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-21 12:51:20,425 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-21 12:51:20,425 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-21 12:51:20,425 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3ecfb8b0fcef33da98f558e52c103bea043ca8b7f1be39029ddcf57b060bd03a [2022-07-21 12:51:20,679 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-21 12:51:20,698 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-21 12:51:20,700 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-21 12:51:20,701 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-21 12:51:20,701 INFO L275 PluginConnector]: CDTParser initialized [2022-07-21 12:51:20,702 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--smsc--smc91c92_cs.ko-entry_point.cil.out.i [2022-07-21 12:51:20,746 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/312446a49/9fed9f52c4a646b4b1e0cd5f8e8f1cdf/FLAGf493e2bce [2022-07-21 12:51:21,478 INFO L306 CDTParser]: Found 1 translation units. [2022-07-21 12:51:21,479 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--smsc--smc91c92_cs.ko-entry_point.cil.out.i [2022-07-21 12:51:21,518 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/312446a49/9fed9f52c4a646b4b1e0cd5f8e8f1cdf/FLAGf493e2bce [2022-07-21 12:51:21,766 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/312446a49/9fed9f52c4a646b4b1e0cd5f8e8f1cdf [2022-07-21 12:51:21,768 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-21 12:51:21,769 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-21 12:51:21,771 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-21 12:51:21,771 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-21 12:51:21,774 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-21 12:51:21,774 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 12:51:21" (1/1) ... [2022-07-21 12:51:21,775 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6fd79aa0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:51:21, skipping insertion in model container [2022-07-21 12:51:21,775 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 12:51:21" (1/1) ... [2022-07-21 12:51:21,780 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-21 12:51:21,905 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-21 12:51:23,258 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--smsc--smc91c92_cs.ko-entry_point.cil.out.i[290722,290735] [2022-07-21 12:51:23,312 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 12:51:23,345 INFO L203 MainTranslator]: Completed pre-run [2022-07-21 12:51:23,623 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--smsc--smc91c92_cs.ko-entry_point.cil.out.i[290722,290735] [2022-07-21 12:51:23,635 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 12:51:23,764 INFO L208 MainTranslator]: Completed translation [2022-07-21 12:51:23,765 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:51:23 WrapperNode [2022-07-21 12:51:23,766 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-21 12:51:23,766 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-21 12:51:23,767 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-21 12:51:23,767 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-21 12:51:23,772 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:51:23" (1/1) ... [2022-07-21 12:51:23,863 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:51:23" (1/1) ... [2022-07-21 12:51:24,017 INFO L137 Inliner]: procedures = 235, calls = 2206, calls flagged for inlining = 117, calls inlined = 113, statements flattened = 5154 [2022-07-21 12:51:24,017 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-21 12:51:24,018 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-21 12:51:24,019 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-21 12:51:24,019 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-21 12:51:24,024 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:51:23" (1/1) ... [2022-07-21 12:51:24,025 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:51:23" (1/1) ... [2022-07-21 12:51:24,074 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:51:23" (1/1) ... [2022-07-21 12:51:24,075 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:51:23" (1/1) ... [2022-07-21 12:51:24,210 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:51:23" (1/1) ... [2022-07-21 12:51:24,232 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:51:23" (1/1) ... [2022-07-21 12:51:24,256 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:51:23" (1/1) ... [2022-07-21 12:51:24,284 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-21 12:51:24,285 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-21 12:51:24,286 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-21 12:51:24,286 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-21 12:51:24,286 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:51:23" (1/1) ... [2022-07-21 12:51:24,292 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 12:51:24,298 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 12:51:24,310 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) [2022-07-21 12:51:24,312 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 [2022-07-21 12:51:24,340 INFO L130 BoogieDeclarations]: Found specification of procedure smc_ioctl [2022-07-21 12:51:24,340 INFO L138 BoogieDeclarations]: Found implementation of procedure smc_ioctl [2022-07-21 12:51:24,341 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_write [2022-07-21 12:51:24,341 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_write [2022-07-21 12:51:24,341 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-21 12:51:24,341 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-21 12:51:24,341 INFO L130 BoogieDeclarations]: Found specification of procedure smc_hardware_send_packet [2022-07-21 12:51:24,341 INFO L138 BoogieDeclarations]: Found implementation of procedure smc_hardware_send_packet [2022-07-21 12:51:24,341 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-21 12:51:24,341 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-21 12:51:24,341 INFO L130 BoogieDeclarations]: Found specification of procedure smc91c92_detach [2022-07-21 12:51:24,342 INFO L138 BoogieDeclarations]: Found implementation of procedure smc91c92_detach [2022-07-21 12:51:24,342 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_present [2022-07-21 12:51:24,342 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_present [2022-07-21 12:51:24,342 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-07-21 12:51:24,342 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-07-21 12:51:24,342 INFO L130 BoogieDeclarations]: Found specification of procedure mhz_3288_power [2022-07-21 12:51:24,342 INFO L138 BoogieDeclarations]: Found implementation of procedure mhz_3288_power [2022-07-21 12:51:24,342 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2022-07-21 12:51:24,342 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2022-07-21 12:51:24,343 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-21 12:51:24,343 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-21 12:51:24,343 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_request_io [2022-07-21 12:51:24,343 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_request_io [2022-07-21 12:51:24,343 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_restore [2022-07-21 12:51:24,343 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_restore [2022-07-21 12:51:24,343 INFO L130 BoogieDeclarations]: Found specification of procedure osi_load_firmware [2022-07-21 12:51:24,343 INFO L138 BoogieDeclarations]: Found implementation of procedure osi_load_firmware [2022-07-21 12:51:24,343 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-07-21 12:51:24,344 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-07-21 12:51:24,344 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-21 12:51:24,344 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-21 12:51:24,344 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-07-21 12:51:24,344 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-07-21 12:51:24,344 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-07-21 12:51:24,344 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-07-21 12:51:24,345 INFO L130 BoogieDeclarations]: Found specification of procedure smc_set_xcvr [2022-07-21 12:51:24,345 INFO L138 BoogieDeclarations]: Found implementation of procedure smc_set_xcvr [2022-07-21 12:51:24,345 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_1 [2022-07-21 12:51:24,345 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_1 [2022-07-21 12:51:24,346 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2022-07-21 12:51:24,346 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2022-07-21 12:51:24,346 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-21 12:51:24,346 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_off [2022-07-21 12:51:24,346 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_off [2022-07-21 12:51:24,346 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-07-21 12:51:24,346 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-07-21 12:51:24,347 INFO L130 BoogieDeclarations]: Found specification of procedure eth_mac_addr [2022-07-21 12:51:24,347 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_mac_addr [2022-07-21 12:51:24,347 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-21 12:51:24,347 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2022-07-21 12:51:24,347 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2022-07-21 12:51:24,347 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-07-21 12:51:24,347 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-07-21 12:51:24,348 INFO L130 BoogieDeclarations]: Found specification of procedure mot_config [2022-07-21 12:51:24,348 INFO L138 BoogieDeclarations]: Found implementation of procedure mot_config [2022-07-21 12:51:24,348 INFO L130 BoogieDeclarations]: Found specification of procedure smc91c92_resume [2022-07-21 12:51:24,349 INFO L138 BoogieDeclarations]: Found implementation of procedure smc91c92_resume [2022-07-21 12:51:24,349 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-07-21 12:51:24,349 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-07-21 12:51:24,349 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2022-07-21 12:51:24,349 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2022-07-21 12:51:24,349 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-07-21 12:51:24,350 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-07-21 12:51:24,350 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-21 12:51:24,350 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-21 12:51:24,350 INFO L130 BoogieDeclarations]: Found specification of procedure smc91c92_suspend [2022-07-21 12:51:24,350 INFO L138 BoogieDeclarations]: Found implementation of procedure smc91c92_suspend [2022-07-21 12:51:24,350 INFO L130 BoogieDeclarations]: Found specification of procedure check_sig [2022-07-21 12:51:24,350 INFO L138 BoogieDeclarations]: Found implementation of procedure check_sig [2022-07-21 12:51:24,351 INFO L130 BoogieDeclarations]: Found specification of procedure outw [2022-07-21 12:51:24,351 INFO L138 BoogieDeclarations]: Found implementation of procedure outw [2022-07-21 12:51:24,351 INFO L130 BoogieDeclarations]: Found specification of procedure eth_change_mtu [2022-07-21 12:51:24,351 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_change_mtu [2022-07-21 12:51:24,351 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-07-21 12:51:24,351 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-07-21 12:51:24,352 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2022-07-21 12:51:24,352 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2022-07-21 12:51:24,352 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-07-21 12:51:24,352 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-07-21 12:51:24,352 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2022-07-21 12:51:24,352 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2022-07-21 12:51:24,352 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_sync [2022-07-21 12:51:24,352 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_sync [2022-07-21 12:51:24,352 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-21 12:51:24,353 INFO L130 BoogieDeclarations]: Found specification of procedure set_rx_mode [2022-07-21 12:51:24,391 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rx_mode [2022-07-21 12:51:24,392 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-07-21 12:51:24,392 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-07-21 12:51:24,392 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-07-21 12:51:24,392 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-07-21 12:51:24,393 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-07-21 12:51:24,393 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-07-21 12:51:24,393 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_timer_1 [2022-07-21 12:51:24,394 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_timer_1 [2022-07-21 12:51:24,394 INFO L130 BoogieDeclarations]: Found specification of procedure cvt_ascii_address [2022-07-21 12:51:24,394 INFO L138 BoogieDeclarations]: Found implementation of procedure cvt_ascii_address [2022-07-21 12:51:24,394 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-21 12:51:24,394 INFO L130 BoogieDeclarations]: Found specification of procedure __bitrev16 [2022-07-21 12:51:24,395 INFO L138 BoogieDeclarations]: Found implementation of procedure __bitrev16 [2022-07-21 12:51:24,395 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_loop_tuple [2022-07-21 12:51:24,395 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_loop_tuple [2022-07-21 12:51:24,395 INFO L130 BoogieDeclarations]: Found specification of procedure smc91c92_release [2022-07-21 12:51:24,395 INFO L138 BoogieDeclarations]: Found implementation of procedure smc91c92_release [2022-07-21 12:51:24,395 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-21 12:51:24,396 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-21 12:51:24,396 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-07-21 12:51:24,396 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-07-21 12:51:24,396 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-21 12:51:24,396 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-07-21 12:51:24,396 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-07-21 12:51:24,396 INFO L130 BoogieDeclarations]: Found specification of procedure __bitrev8 [2022-07-21 12:51:24,397 INFO L138 BoogieDeclarations]: Found implementation of procedure __bitrev8 [2022-07-21 12:51:24,397 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-21 12:51:24,397 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-07-21 12:51:24,397 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-07-21 12:51:24,397 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-21 12:51:24,398 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_loop_config [2022-07-21 12:51:24,398 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_loop_config [2022-07-21 12:51:24,400 INFO L130 BoogieDeclarations]: Found specification of procedure s9k_config [2022-07-21 12:51:24,400 INFO L138 BoogieDeclarations]: Found implementation of procedure s9k_config [2022-07-21 12:51:24,400 INFO L130 BoogieDeclarations]: Found specification of procedure smc_tx_timeout [2022-07-21 12:51:24,401 INFO L138 BoogieDeclarations]: Found implementation of procedure smc_tx_timeout [2022-07-21 12:51:24,402 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2022-07-21 12:51:24,402 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2022-07-21 12:51:24,402 INFO L130 BoogieDeclarations]: Found specification of procedure smc_reset [2022-07-21 12:51:24,402 INFO L138 BoogieDeclarations]: Found implementation of procedure smc_reset [2022-07-21 12:51:24,402 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-21 12:51:24,406 INFO L130 BoogieDeclarations]: Found specification of procedure writeb [2022-07-21 12:51:24,406 INFO L138 BoogieDeclarations]: Found implementation of procedure writeb [2022-07-21 12:51:24,407 INFO L130 BoogieDeclarations]: Found specification of procedure inw [2022-07-21 12:51:24,407 INFO L138 BoogieDeclarations]: Found implementation of procedure inw [2022-07-21 12:51:24,407 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2022-07-21 12:51:24,407 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2022-07-21 12:51:24,407 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_read [2022-07-21 12:51:24,407 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_read [2022-07-21 12:51:24,407 INFO L130 BoogieDeclarations]: Found specification of procedure readb [2022-07-21 12:51:24,407 INFO L138 BoogieDeclarations]: Found implementation of procedure readb [2022-07-21 12:51:24,408 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-21 12:51:24,408 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-21 12:51:24,888 INFO L234 CfgBuilder]: Building ICFG [2022-07-21 12:51:24,889 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-21 12:51:25,541 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-21 12:51:29,972 INFO L275 CfgBuilder]: Performing block encoding [2022-07-21 12:51:29,995 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-21 12:51:29,996 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-21 12:51:29,998 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 12:51:29 BoogieIcfgContainer [2022-07-21 12:51:29,999 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-21 12:51:30,000 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-21 12:51:30,000 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-21 12:51:30,002 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-21 12:51:30,003 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 12:51:21" (1/3) ... [2022-07-21 12:51:30,003 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@619610cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 12:51:30, skipping insertion in model container [2022-07-21 12:51:30,003 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:51:23" (2/3) ... [2022-07-21 12:51:30,004 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@619610cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 12:51:30, skipping insertion in model container [2022-07-21 12:51:30,004 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 12:51:29" (3/3) ... [2022-07-21 12:51:30,006 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--smsc--smc91c92_cs.ko-entry_point.cil.out.i [2022-07-21 12:51:30,017 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-21 12:51:30,018 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-21 12:51:30,094 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-21 12:51:30,099 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@cb5b4f, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@c92fb1 [2022-07-21 12:51:30,099 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-21 12:51:30,111 INFO L276 IsEmpty]: Start isEmpty. Operand has 1538 states, 1055 states have (on average 1.3829383886255924) internal successors, (1459), 1088 states have internal predecessors, (1459), 418 states have call successors, (418), 64 states have call predecessors, (418), 63 states have return successors, (412), 405 states have call predecessors, (412), 412 states have call successors, (412) [2022-07-21 12:51:30,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 316 [2022-07-21 12:51:30,164 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 12:51:30,165 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 7, 7, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 12:51:30,166 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 12:51:30,170 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 12:51:30,170 INFO L85 PathProgramCache]: Analyzing trace with hash -233731280, now seen corresponding path program 1 times [2022-07-21 12:51:30,179 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 12:51:30,179 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1030807950] [2022-07-21 12:51:30,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 12:51:30,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 12:51:30,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:51:31,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 12:51:31,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:51:31,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:51:31,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:51:31,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:51:31,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:51:31,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-21 12:51:31,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:51:31,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:51:31,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:51:31,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:51:31,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:51:31,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-21 12:51:31,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:51:31,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:51:31,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:51:31,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:51:31,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:51:31,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-21 12:51:31,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:51:31,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:51:31,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:51:31,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:51:31,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:51:31,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-21 12:51:31,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:51:31,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:51:31,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:51:31,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:51:31,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:51:31,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-07-21 12:51:31,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:51:31,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:51:31,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:51:31,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-07-21 12:51:31,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:51:31,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:51:31,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:51:31,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-21 12:51:31,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:51:31,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-07-21 12:51:31,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:51:31,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-07-21 12:51:31,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:51:31,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-07-21 12:51:31,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:51:31,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:51:31,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:51:31,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-07-21 12:51:31,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:51:31,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-21 12:51:31,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:51:31,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-07-21 12:51:31,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:51:31,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2022-07-21 12:51:31,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:51:31,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2022-07-21 12:51:31,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:51:31,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2022-07-21 12:51:31,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:51:31,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2022-07-21 12:51:31,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:51:31,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2022-07-21 12:51:31,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:51:31,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:51:31,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:51:31,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-07-21 12:51:31,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:51:31,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2022-07-21 12:51:31,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:51:31,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2022-07-21 12:51:31,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:51:31,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2022-07-21 12:51:31,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:51:31,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2022-07-21 12:51:31,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:51:31,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:51:31,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:51:31,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2022-07-21 12:51:31,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:51:31,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-21 12:51:31,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:51:31,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2022-07-21 12:51:31,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:51:31,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2022-07-21 12:51:31,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:51:31,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2022-07-21 12:51:31,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:51:31,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2022-07-21 12:51:31,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:51:31,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2022-07-21 12:51:31,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:51:31,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2022-07-21 12:51:31,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:51:31,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2022-07-21 12:51:31,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:51:31,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2022-07-21 12:51:31,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:51:31,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2022-07-21 12:51:31,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:51:31,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2022-07-21 12:51:31,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:51:31,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2022-07-21 12:51:31,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:51:31,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2022-07-21 12:51:31,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:51:31,595 INFO L134 CoverageAnalysis]: Checked inductivity of 421 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 421 trivial. 0 not checked. [2022-07-21 12:51:31,595 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 12:51:31,595 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1030807950] [2022-07-21 12:51:31,596 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1030807950] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 12:51:31,596 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 12:51:31,596 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-07-21 12:51:31,597 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1996344773] [2022-07-21 12:51:31,598 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 12:51:31,603 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-21 12:51:31,603 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 12:51:31,624 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-21 12:51:31,625 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2022-07-21 12:51:31,629 INFO L87 Difference]: Start difference. First operand has 1538 states, 1055 states have (on average 1.3829383886255924) internal successors, (1459), 1088 states have internal predecessors, (1459), 418 states have call successors, (418), 64 states have call predecessors, (418), 63 states have return successors, (412), 405 states have call predecessors, (412), 412 states have call successors, (412) Second operand has 9 states, 9 states have (on average 12.777777777777779) internal successors, (115), 5 states have internal predecessors, (115), 2 states have call successors, (46), 6 states have call predecessors, (46), 1 states have return successors, (43), 2 states have call predecessors, (43), 2 states have call successors, (43) [2022-07-21 12:51:33,704 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 12:51:35,709 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 12:51:37,716 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 12:51:52,649 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 12:51:52,649 INFO L93 Difference]: Finished difference Result 7940 states and 11990 transitions. [2022-07-21 12:51:52,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-07-21 12:51:52,652 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.777777777777779) internal successors, (115), 5 states have internal predecessors, (115), 2 states have call successors, (46), 6 states have call predecessors, (46), 1 states have return successors, (43), 2 states have call predecessors, (43), 2 states have call successors, (43) Word has length 315 [2022-07-21 12:51:52,653 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 12:51:52,693 INFO L225 Difference]: With dead ends: 7940 [2022-07-21 12:51:52,694 INFO L226 Difference]: Without dead ends: 6337 [2022-07-21 12:51:52,709 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 144 GetRequests, 119 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 188 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=209, Invalid=493, Unknown=0, NotChecked=0, Total=702 [2022-07-21 12:51:52,711 INFO L413 NwaCegarLoop]: 2855 mSDtfsCounter, 9150 mSDsluCounter, 7323 mSDsCounter, 0 mSdLazyCounter, 9031 mSolverCounterSat, 6344 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10013 SdHoareTripleChecker+Valid, 10178 SdHoareTripleChecker+Invalid, 15378 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 6344 IncrementalHoareTripleChecker+Valid, 9031 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.0s IncrementalHoareTripleChecker+Time [2022-07-21 12:51:52,711 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10013 Valid, 10178 Invalid, 15378 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [6344 Valid, 9031 Invalid, 3 Unknown, 0 Unchecked, 20.0s Time] [2022-07-21 12:51:52,729 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6337 states. [2022-07-21 12:51:53,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6337 to 5983. [2022-07-21 12:51:53,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5983 states, 4122 states have (on average 1.3410965550703542) internal successors, (5528), 4217 states have internal predecessors, (5528), 1616 states have call successors, (1616), 245 states have call predecessors, (1616), 244 states have return successors, (1619), 1588 states have call predecessors, (1619), 1615 states have call successors, (1619) [2022-07-21 12:51:53,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5983 states to 5983 states and 8763 transitions. [2022-07-21 12:51:53,066 INFO L78 Accepts]: Start accepts. Automaton has 5983 states and 8763 transitions. Word has length 315 [2022-07-21 12:51:53,068 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 12:51:53,068 INFO L495 AbstractCegarLoop]: Abstraction has 5983 states and 8763 transitions. [2022-07-21 12:51:53,069 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.777777777777779) internal successors, (115), 5 states have internal predecessors, (115), 2 states have call successors, (46), 6 states have call predecessors, (46), 1 states have return successors, (43), 2 states have call predecessors, (43), 2 states have call successors, (43) [2022-07-21 12:51:53,069 INFO L276 IsEmpty]: Start isEmpty. Operand 5983 states and 8763 transitions. [2022-07-21 12:51:53,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 317 [2022-07-21 12:51:53,086 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 12:51:53,087 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 7, 7, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 12:51:53,087 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-21 12:51:53,087 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 12:51:53,088 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 12:51:53,089 INFO L85 PathProgramCache]: Analyzing trace with hash 2082739232, now seen corresponding path program 1 times [2022-07-21 12:51:53,089 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 12:51:53,089 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1126203348] [2022-07-21 12:51:53,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 12:51:53,090 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 12:51:53,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:51:53,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 12:51:53,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:51:53,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:51:53,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:51:53,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:51:53,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:51:53,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-21 12:51:53,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:51:53,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:51:53,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:51:53,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:51:53,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:51:53,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-21 12:51:53,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:51:53,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:51:53,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:51:53,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:51:53,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:51:53,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-21 12:51:53,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:51:53,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:51:53,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:51:53,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:51:53,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:51:53,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-21 12:51:53,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:51:53,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:51:53,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:51:53,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:51:53,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:51:53,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-07-21 12:51:53,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:51:53,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:51:53,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:51:53,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-07-21 12:51:53,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:51:53,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:51:53,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:51:53,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-21 12:51:53,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:51:53,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-07-21 12:51:53,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:51:53,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-21 12:51:53,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:51:53,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2022-07-21 12:51:53,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:51:53,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:51:53,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:51:53,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-07-21 12:51:53,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:51:53,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-07-21 12:51:53,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:51:53,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2022-07-21 12:51:53,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:51:53,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-07-21 12:51:53,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:51:53,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-21 12:51:53,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:51:53,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2022-07-21 12:51:53,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:51:53,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-07-21 12:51:53,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:51:53,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-07-21 12:51:53,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:51:53,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:51:53,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:51:53,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2022-07-21 12:51:53,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:51:53,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2022-07-21 12:51:53,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:51:53,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2022-07-21 12:51:53,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:51:53,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2022-07-21 12:51:53,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:51:53,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2022-07-21 12:51:53,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:51:53,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:51:53,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:51:53,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2022-07-21 12:51:53,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:51:53,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2022-07-21 12:51:53,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:51:53,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2022-07-21 12:51:53,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:51:53,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2022-07-21 12:51:53,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:51:53,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2022-07-21 12:51:53,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:51:53,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2022-07-21 12:51:53,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:51:53,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2022-07-21 12:51:53,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:51:53,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-07-21 12:51:53,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:51:53,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2022-07-21 12:51:53,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:51:53,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2022-07-21 12:51:53,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:51:53,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2022-07-21 12:51:53,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:51:53,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2022-07-21 12:51:53,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:51:53,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2022-07-21 12:51:53,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:51:53,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2022-07-21 12:51:53,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:51:53,869 INFO L134 CoverageAnalysis]: Checked inductivity of 421 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 421 trivial. 0 not checked. [2022-07-21 12:51:53,869 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 12:51:53,869 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1126203348] [2022-07-21 12:51:53,869 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1126203348] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 12:51:53,870 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 12:51:53,870 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-07-21 12:51:53,870 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2041903815] [2022-07-21 12:51:53,870 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 12:51:53,887 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-21 12:51:53,888 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 12:51:53,888 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-21 12:51:53,888 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2022-07-21 12:51:53,889 INFO L87 Difference]: Start difference. First operand 5983 states and 8763 transitions. Second operand has 9 states, 9 states have (on average 12.88888888888889) internal successors, (116), 5 states have internal predecessors, (116), 2 states have call successors, (46), 6 states have call predecessors, (46), 1 states have return successors, (43), 2 states have call predecessors, (43), 2 states have call successors, (43) [2022-07-21 12:51:55,941 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 12:51:57,967 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 12:51:59,987 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 [] [2022-07-21 12:52:11,443 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 12:52:11,444 INFO L93 Difference]: Finished difference Result 31146 states and 45886 transitions. [2022-07-21 12:52:11,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-07-21 12:52:11,445 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.88888888888889) internal successors, (116), 5 states have internal predecessors, (116), 2 states have call successors, (46), 6 states have call predecessors, (46), 1 states have return successors, (43), 2 states have call predecessors, (43), 2 states have call successors, (43) Word has length 316 [2022-07-21 12:52:11,445 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 12:52:11,595 INFO L225 Difference]: With dead ends: 31146 [2022-07-21 12:52:11,596 INFO L226 Difference]: Without dead ends: 25186 [2022-07-21 12:52:11,630 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 144 GetRequests, 119 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 187 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=209, Invalid=493, Unknown=0, NotChecked=0, Total=702 [2022-07-21 12:52:11,632 INFO L413 NwaCegarLoop]: 2819 mSDtfsCounter, 8324 mSDsluCounter, 8376 mSDsCounter, 0 mSdLazyCounter, 9375 mSolverCounterSat, 6768 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9186 SdHoareTripleChecker+Valid, 11195 SdHoareTripleChecker+Invalid, 16146 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 6768 IncrementalHoareTripleChecker+Valid, 9375 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.5s IncrementalHoareTripleChecker+Time [2022-07-21 12:52:11,632 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9186 Valid, 11195 Invalid, 16146 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [6768 Valid, 9375 Invalid, 3 Unknown, 0 Unchecked, 16.5s Time] [2022-07-21 12:52:11,658 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25186 states. [2022-07-21 12:52:12,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25186 to 23826. [2022-07-21 12:52:12,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23826 states, 16430 states have (on average 1.3401704199634814) internal successors, (22019), 16795 states have internal predecessors, (22019), 6425 states have call successors, (6425), 974 states have call predecessors, (6425), 970 states have return successors, (6446), 6324 states have call predecessors, (6446), 6424 states have call successors, (6446) [2022-07-21 12:52:12,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23826 states to 23826 states and 34890 transitions. [2022-07-21 12:52:12,755 INFO L78 Accepts]: Start accepts. Automaton has 23826 states and 34890 transitions. Word has length 316 [2022-07-21 12:52:12,757 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 12:52:12,757 INFO L495 AbstractCegarLoop]: Abstraction has 23826 states and 34890 transitions. [2022-07-21 12:52:12,758 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.88888888888889) internal successors, (116), 5 states have internal predecessors, (116), 2 states have call successors, (46), 6 states have call predecessors, (46), 1 states have return successors, (43), 2 states have call predecessors, (43), 2 states have call successors, (43) [2022-07-21 12:52:12,758 INFO L276 IsEmpty]: Start isEmpty. Operand 23826 states and 34890 transitions. [2022-07-21 12:52:12,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 318 [2022-07-21 12:52:12,781 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 12:52:12,781 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 7, 7, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 12:52:12,781 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-21 12:52:12,782 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 12:52:12,782 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 12:52:12,782 INFO L85 PathProgramCache]: Analyzing trace with hash -440712088, now seen corresponding path program 1 times [2022-07-21 12:52:12,782 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 12:52:12,784 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2121858536] [2022-07-21 12:52:12,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 12:52:12,785 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 12:52:12,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:52:13,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 12:52:13,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:52:13,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:52:13,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:52:13,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:52:13,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:52:13,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-21 12:52:13,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:52:13,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:52:13,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:52:13,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:52:13,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:52:13,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-21 12:52:13,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:52:13,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:52:13,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:52:13,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:52:13,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:52:13,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-21 12:52:13,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:52:13,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:52:13,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:52:13,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:52:13,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:52:13,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-21 12:52:13,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:52:13,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:52:13,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:52:13,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:52:13,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:52:13,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-07-21 12:52:13,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:52:13,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:52:13,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:52:13,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-07-21 12:52:13,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:52:13,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:52:13,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:52:13,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-07-21 12:52:13,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:52:13,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2022-07-21 12:52:13,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:52:13,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-07-21 12:52:13,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:52:13,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-21 12:52:13,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:52:13,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:52:13,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:52:13,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-07-21 12:52:13,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:52:13,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-07-21 12:52:13,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:52:13,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-07-21 12:52:13,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:52:13,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-21 12:52:13,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:52:13,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2022-07-21 12:52:13,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:52:13,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2022-07-21 12:52:13,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:52:13,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2022-07-21 12:52:13,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:52:13,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-07-21 12:52:13,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:52:13,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:52:13,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:52:13,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-07-21 12:52:13,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:52:13,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2022-07-21 12:52:13,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:52:13,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2022-07-21 12:52:13,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:52:13,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-21 12:52:13,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:52:13,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2022-07-21 12:52:13,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:52:13,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:52:13,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:52:13,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2022-07-21 12:52:13,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:52:13,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2022-07-21 12:52:13,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:52:13,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2022-07-21 12:52:13,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:52:13,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2022-07-21 12:52:13,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:52:13,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2022-07-21 12:52:13,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:52:13,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2022-07-21 12:52:13,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:52:13,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2022-07-21 12:52:13,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:52:13,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2022-07-21 12:52:13,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:52:13,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2022-07-21 12:52:13,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:52:13,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2022-07-21 12:52:13,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:52:13,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-07-21 12:52:13,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:52:13,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2022-07-21 12:52:13,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:52:13,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2022-07-21 12:52:13,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:52:13,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2022-07-21 12:52:13,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:52:13,353 INFO L134 CoverageAnalysis]: Checked inductivity of 421 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 421 trivial. 0 not checked. [2022-07-21 12:52:13,353 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 12:52:13,354 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2121858536] [2022-07-21 12:52:13,354 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2121858536] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 12:52:13,354 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 12:52:13,354 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-07-21 12:52:13,355 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [892846093] [2022-07-21 12:52:13,355 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 12:52:13,355 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-21 12:52:13,355 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 12:52:13,356 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-21 12:52:13,356 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2022-07-21 12:52:13,356 INFO L87 Difference]: Start difference. First operand 23826 states and 34890 transitions. Second operand has 9 states, 9 states have (on average 13.0) internal successors, (117), 5 states have internal predecessors, (117), 2 states have call successors, (46), 6 states have call predecessors, (46), 1 states have return successors, (43), 2 states have call predecessors, (43), 2 states have call successors, (43) [2022-07-21 12:52:15,394 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 12:52:17,419 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 12:52:19,436 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 12:52:21,446 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 12:52:23,460 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 12:52:41,607 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 12:52:41,607 INFO L93 Difference]: Finished difference Result 124349 states and 183089 transitions. [2022-07-21 12:52:41,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-07-21 12:52:41,608 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 13.0) internal successors, (117), 5 states have internal predecessors, (117), 2 states have call successors, (46), 6 states have call predecessors, (46), 1 states have return successors, (43), 2 states have call predecessors, (43), 2 states have call successors, (43) Word has length 317 [2022-07-21 12:52:41,609 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 12:52:42,331 INFO L225 Difference]: With dead ends: 124349 [2022-07-21 12:52:42,331 INFO L226 Difference]: Without dead ends: 100546 [2022-07-21 12:52:42,434 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 144 GetRequests, 119 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 187 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=209, Invalid=493, Unknown=0, NotChecked=0, Total=702 [2022-07-21 12:52:42,436 INFO L413 NwaCegarLoop]: 2825 mSDtfsCounter, 8929 mSDsluCounter, 8059 mSDsCounter, 0 mSdLazyCounter, 10537 mSolverCounterSat, 6205 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9784 SdHoareTripleChecker+Valid, 10884 SdHoareTripleChecker+Invalid, 16747 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 6205 IncrementalHoareTripleChecker+Valid, 10537 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 25.8s IncrementalHoareTripleChecker+Time [2022-07-21 12:52:42,436 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9784 Valid, 10884 Invalid, 16747 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [6205 Valid, 10537 Invalid, 5 Unknown, 0 Unchecked, 25.8s Time] [2022-07-21 12:52:42,519 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100546 states. [2022-07-21 12:52:46,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100546 to 95152. [2022-07-21 12:52:46,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95152 states, 65656 states have (on average 1.3389027659315218) internal successors, (87907), 67061 states have internal predecessors, (87907), 25625 states have call successors, (25625), 3890 states have call predecessors, (25625), 3870 states have return successors, (25722), 25268 states have call predecessors, (25722), 25624 states have call successors, (25722) [2022-07-21 12:52:47,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95152 states to 95152 states and 139254 transitions. [2022-07-21 12:52:47,321 INFO L78 Accepts]: Start accepts. Automaton has 95152 states and 139254 transitions. Word has length 317 [2022-07-21 12:52:47,322 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 12:52:47,322 INFO L495 AbstractCegarLoop]: Abstraction has 95152 states and 139254 transitions. [2022-07-21 12:52:47,322 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 13.0) internal successors, (117), 5 states have internal predecessors, (117), 2 states have call successors, (46), 6 states have call predecessors, (46), 1 states have return successors, (43), 2 states have call predecessors, (43), 2 states have call successors, (43) [2022-07-21 12:52:47,322 INFO L276 IsEmpty]: Start isEmpty. Operand 95152 states and 139254 transitions. [2022-07-21 12:52:47,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 319 [2022-07-21 12:52:47,358 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 12:52:47,359 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 7, 7, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 12:52:47,359 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-21 12:52:47,359 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 12:52:47,359 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 12:52:47,360 INFO L85 PathProgramCache]: Analyzing trace with hash 1617082456, now seen corresponding path program 1 times [2022-07-21 12:52:47,360 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 12:52:47,360 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1045130481] [2022-07-21 12:52:47,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 12:52:47,361 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 12:52:47,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:52:47,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 12:52:47,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:52:47,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:52:47,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:52:47,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:52:47,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:52:47,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-21 12:52:47,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:52:47,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:52:47,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:52:47,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:52:47,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:52:47,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-21 12:52:47,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:52:47,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:52:47,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:52:47,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:52:47,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:52:47,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-21 12:52:47,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:52:47,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:52:47,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:52:47,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:52:47,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:52:47,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-21 12:52:47,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:52:47,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:52:47,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:52:47,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:52:47,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:52:47,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-07-21 12:52:47,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:52:47,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:52:47,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:52:47,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-07-21 12:52:47,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:52:47,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:52:47,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:52:47,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-07-21 12:52:47,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:52:47,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-07-21 12:52:47,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:52:47,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-07-21 12:52:47,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:52:47,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-07-21 12:52:47,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:52:47,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:52:47,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:52:47,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-07-21 12:52:47,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:52:47,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2022-07-21 12:52:47,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:52:47,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-07-21 12:52:47,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:52:47,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-21 12:52:47,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:52:47,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2022-07-21 12:52:47,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:52:47,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-21 12:52:47,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:52:47,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2022-07-21 12:52:47,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:52:47,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-21 12:52:47,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:52:47,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:52:47,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:52:47,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2022-07-21 12:52:47,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:52:47,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-21 12:52:47,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:52:47,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2022-07-21 12:52:47,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:52:47,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-07-21 12:52:47,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:52:47,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2022-07-21 12:52:47,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:52:47,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:52:47,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:52:47,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2022-07-21 12:52:47,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:52:47,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2022-07-21 12:52:47,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:52:47,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-21 12:52:47,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:52:47,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2022-07-21 12:52:47,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:52:48,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2022-07-21 12:52:48,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:52:48,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2022-07-21 12:52:48,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:52:48,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2022-07-21 12:52:48,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:52:48,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2022-07-21 12:52:48,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:52:48,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2022-07-21 12:52:48,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:52:48,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2022-07-21 12:52:48,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:52:48,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2022-07-21 12:52:48,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:52:48,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2022-07-21 12:52:48,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:52:48,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 299 [2022-07-21 12:52:48,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:52:48,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2022-07-21 12:52:48,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:52:48,043 INFO L134 CoverageAnalysis]: Checked inductivity of 421 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 421 trivial. 0 not checked. [2022-07-21 12:52:48,044 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 12:52:48,044 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1045130481] [2022-07-21 12:52:48,044 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1045130481] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 12:52:48,044 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 12:52:48,044 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-07-21 12:52:48,045 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2091697293] [2022-07-21 12:52:48,045 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 12:52:48,045 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-21 12:52:48,045 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 12:52:48,046 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-21 12:52:48,046 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2022-07-21 12:52:48,046 INFO L87 Difference]: Start difference. First operand 95152 states and 139254 transitions. Second operand has 9 states, 9 states have (on average 13.11111111111111) internal successors, (118), 5 states have internal predecessors, (118), 2 states have call successors, (46), 6 states have call predecessors, (46), 1 states have return successors, (43), 2 states have call predecessors, (43), 2 states have call successors, (43) [2022-07-21 12:52:50,124 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 12:52:52,142 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 12:52:54,156 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 [] [2022-07-21 12:53:15,436 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 12:53:15,436 INFO L93 Difference]: Finished difference Result 467145 states and 686017 transitions. [2022-07-21 12:53:15,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-07-21 12:53:15,437 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 13.11111111111111) internal successors, (118), 5 states have internal predecessors, (118), 2 states have call successors, (46), 6 states have call predecessors, (46), 1 states have return successors, (43), 2 states have call predecessors, (43), 2 states have call successors, (43) Word has length 318 [2022-07-21 12:53:15,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 12:53:17,697 INFO L225 Difference]: With dead ends: 467145 [2022-07-21 12:53:17,698 INFO L226 Difference]: Without dead ends: 372016 [2022-07-21 12:53:18,130 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 144 GetRequests, 119 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 168 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=209, Invalid=493, Unknown=0, NotChecked=0, Total=702 [2022-07-21 12:53:18,131 INFO L413 NwaCegarLoop]: 2829 mSDtfsCounter, 8348 mSDsluCounter, 8322 mSDsCounter, 0 mSdLazyCounter, 9383 mSolverCounterSat, 6817 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9199 SdHoareTripleChecker+Valid, 11151 SdHoareTripleChecker+Invalid, 16203 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 6817 IncrementalHoareTripleChecker+Valid, 9383 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.9s IncrementalHoareTripleChecker+Time [2022-07-21 12:53:18,132 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9199 Valid, 11151 Invalid, 16203 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [6817 Valid, 9383 Invalid, 3 Unknown, 0 Unchecked, 17.9s Time] [2022-07-21 12:53:18,598 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 372016 states. [2022-07-21 12:53:32,926 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 372016 to 351950. [2022-07-21 12:53:33,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 351950 states, 243197 states have (on average 1.3381702899295633) internal successors, (325439), 247881 states have internal predecessors, (325439), 93776 states have call successors, (93776), 15068 states have call predecessors, (93776), 14976 states have return successors, (94185), 92701 states have call predecessors, (94185), 93775 states have call successors, (94185) [2022-07-21 12:53:36,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351950 states to 351950 states and 513400 transitions. [2022-07-21 12:53:36,092 INFO L78 Accepts]: Start accepts. Automaton has 351950 states and 513400 transitions. Word has length 318 [2022-07-21 12:53:36,093 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 12:53:36,093 INFO L495 AbstractCegarLoop]: Abstraction has 351950 states and 513400 transitions. [2022-07-21 12:53:36,093 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 13.11111111111111) internal successors, (118), 5 states have internal predecessors, (118), 2 states have call successors, (46), 6 states have call predecessors, (46), 1 states have return successors, (43), 2 states have call predecessors, (43), 2 states have call successors, (43) [2022-07-21 12:53:36,094 INFO L276 IsEmpty]: Start isEmpty. Operand 351950 states and 513400 transitions. [2022-07-21 12:53:36,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 576 [2022-07-21 12:53:36,376 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 12:53:36,376 INFO L195 NwaCegarLoop]: trace histogram [28, 28, 15, 15, 7, 7, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 12:53:36,376 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-21 12:53:36,377 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 12:53:36,377 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 12:53:36,377 INFO L85 PathProgramCache]: Analyzing trace with hash 895745246, now seen corresponding path program 1 times [2022-07-21 12:53:36,377 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 12:53:36,377 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2025033654] [2022-07-21 12:53:36,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 12:53:36,378 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 12:53:36,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:53:36,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 12:53:36,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:53:36,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:53:36,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:53:36,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:53:36,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:53:36,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-21 12:53:36,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:53:36,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:53:36,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:53:36,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:53:36,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:53:36,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-21 12:53:36,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:53:36,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:53:36,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:53:36,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:53:36,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:53:36,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-21 12:53:36,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:53:36,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:53:36,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:53:36,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:53:36,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:53:36,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-21 12:53:36,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:53:36,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:53:36,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:53:36,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:53:36,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:53:36,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-07-21 12:53:36,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:53:36,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:53:36,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:53:36,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-07-21 12:53:36,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:53:36,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:53:36,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:53:36,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-07-21 12:53:36,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:53:36,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-07-21 12:53:36,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:53:36,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2022-07-21 12:53:36,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:53:36,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-07-21 12:53:36,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:53:36,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:53:36,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:53:36,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-21 12:53:36,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:53:36,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-21 12:53:36,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:53:36,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-21 12:53:36,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:53:36,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-07-21 12:53:36,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:53:36,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-21 12:53:36,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:53:36,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2022-07-21 12:53:36,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:53:36,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:53:36,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:53:36,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2022-07-21 12:53:36,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:53:36,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:53:36,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:53:36,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:53:36,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:53:36,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-21 12:53:36,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:53:36,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-21 12:53:36,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:53:36,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-21 12:53:36,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:53:36,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-21 12:53:36,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:53:36,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-21 12:53:36,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:53:36,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-21 12:53:36,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:53:36,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-21 12:53:36,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:53:36,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-21 12:53:36,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:53:36,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:53:36,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:53:36,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:53:36,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:53:36,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 12:53:36,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:53:37,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-21 12:53:37,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:53:37,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-21 12:53:37,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:53:37,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-07-21 12:53:37,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:53:37,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-07-21 12:53:37,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:53:37,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2022-07-21 12:53:37,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:53:37,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-21 12:53:37,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:53:37,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-21 12:53:37,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:53:37,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-07-21 12:53:37,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:53:37,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:53:37,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:53:37,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:53:37,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:53:37,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-21 12:53:37,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:53:37,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-21 12:53:37,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:53:37,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-21 12:53:37,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:53:37,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-21 12:53:37,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:53:37,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-07-21 12:53:37,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:53:37,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-21 12:53:37,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:53:37,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:53:37,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:53:37,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2022-07-21 12:53:37,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:53:37,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2022-07-21 12:53:37,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:53:37,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 374 [2022-07-21 12:53:37,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:53:37,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2022-07-21 12:53:37,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:53:37,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 383 [2022-07-21 12:53:37,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:53:37,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2022-07-21 12:53:37,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:53:37,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:53:37,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:53:37,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 400 [2022-07-21 12:53:37,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:53:37,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 406 [2022-07-21 12:53:37,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:53:37,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 411 [2022-07-21 12:53:37,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:53:37,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 415 [2022-07-21 12:53:37,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:53:37,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 421 [2022-07-21 12:53:37,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:53:37,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2022-07-21 12:53:37,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:53:37,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 432 [2022-07-21 12:53:37,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:53:37,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 436 [2022-07-21 12:53:37,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:53:37,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:53:37,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:53:37,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 451 [2022-07-21 12:53:37,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:53:37,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 458 [2022-07-21 12:53:37,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:53:37,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 466 [2022-07-21 12:53:37,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:53:37,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 470 [2022-07-21 12:53:37,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:53:37,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 475 [2022-07-21 12:53:37,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:53:37,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:53:37,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:53:37,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 487 [2022-07-21 12:53:37,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:53:37,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 494 [2022-07-21 12:53:37,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:53:37,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 502 [2022-07-21 12:53:37,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:53:37,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 508 [2022-07-21 12:53:37,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:53:37,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 512 [2022-07-21 12:53:37,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:53:37,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 517 [2022-07-21 12:53:37,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:53:37,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 522 [2022-07-21 12:53:37,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:53:37,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 526 [2022-07-21 12:53:37,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:53:37,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 533 [2022-07-21 12:53:37,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:53:37,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 541 [2022-07-21 12:53:37,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:53:37,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 547 [2022-07-21 12:53:37,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:53:37,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 551 [2022-07-21 12:53:37,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:53:37,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 556 [2022-07-21 12:53:37,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:53:37,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 563 [2022-07-21 12:53:37,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:53:37,542 INFO L134 CoverageAnalysis]: Checked inductivity of 1743 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1741 trivial. 0 not checked. [2022-07-21 12:53:37,543 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 12:53:37,543 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2025033654] [2022-07-21 12:53:37,543 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2025033654] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 12:53:37,543 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 12:53:37,543 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-07-21 12:53:37,543 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1894699166] [2022-07-21 12:53:37,544 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 12:53:37,547 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-07-21 12:53:37,547 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 12:53:37,547 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-07-21 12:53:37,547 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2022-07-21 12:53:37,548 INFO L87 Difference]: Start difference. First operand 351950 states and 513400 transitions. Second operand has 11 states, 11 states have (on average 19.181818181818183) internal successors, (211), 4 states have internal predecessors, (211), 2 states have call successors, (90), 9 states have call predecessors, (90), 2 states have return successors, (87), 2 states have call predecessors, (87), 2 states have call successors, (87) [2022-07-21 12:53:39,587 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 12:53:41,598 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 []