./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--usb--isp1760--isp1760.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version fcb8e130 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--usb--isp1760--isp1760.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 02dd32bddba19b84f713c448bd8e9ace974caebaf6d84ba76c08aa5870e8df57 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-fcb8e13 [2021-11-23 02:00:46,332 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 02:00:46,335 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 02:00:46,393 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 02:00:46,393 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 02:00:46,396 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 02:00:46,397 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 02:00:46,399 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 02:00:46,400 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 02:00:46,404 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 02:00:46,405 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 02:00:46,406 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 02:00:46,406 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 02:00:46,408 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 02:00:46,410 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 02:00:46,413 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 02:00:46,414 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 02:00:46,414 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 02:00:46,416 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 02:00:46,420 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 02:00:46,421 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 02:00:46,422 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 02:00:46,423 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 02:00:46,424 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 02:00:46,429 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 02:00:46,429 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 02:00:46,429 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 02:00:46,430 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 02:00:46,431 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 02:00:46,431 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 02:00:46,431 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 02:00:46,432 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 02:00:46,433 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 02:00:46,434 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 02:00:46,435 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 02:00:46,435 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 02:00:46,435 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 02:00:46,435 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 02:00:46,436 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 02:00:46,436 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 02:00:46,436 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 02:00:46,437 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-23 02:00:46,463 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 02:00:46,464 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 02:00:46,464 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 02:00:46,464 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 02:00:46,465 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 02:00:46,465 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 02:00:46,466 INFO L138 SettingsManager]: * Use SBE=true [2021-11-23 02:00:46,466 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 02:00:46,466 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 02:00:46,466 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 02:00:46,467 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 02:00:46,467 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 02:00:46,467 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 02:00:46,467 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 02:00:46,467 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 02:00:46,467 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 02:00:46,468 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 02:00:46,468 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-23 02:00:46,468 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 02:00:46,468 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 02:00:46,468 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 02:00:46,468 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 02:00:46,468 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 02:00:46,469 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-23 02:00:46,469 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 02:00:46,469 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-23 02:00:46,469 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-23 02:00:46,469 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 02:00:46,469 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 02:00:46,469 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 02dd32bddba19b84f713c448bd8e9ace974caebaf6d84ba76c08aa5870e8df57 [2021-11-23 02:00:46,656 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 02:00:46,683 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 02:00:46,685 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 02:00:46,685 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 02:00:46,686 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 02:00:46,687 INFO L432 ainManager$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--usb--isp1760--isp1760.ko-entry_point.cil.out.i [2021-11-23 02:00:46,747 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3e8197004/680a3f773af944cda8bb195c5e0f0f7c/FLAG9525eecc1 [2021-11-23 02:00:47,376 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 02:00:47,376 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--usb--isp1760--isp1760.ko-entry_point.cil.out.i [2021-11-23 02:00:47,414 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3e8197004/680a3f773af944cda8bb195c5e0f0f7c/FLAG9525eecc1 [2021-11-23 02:00:47,786 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3e8197004/680a3f773af944cda8bb195c5e0f0f7c [2021-11-23 02:00:47,788 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 02:00:47,790 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 02:00:47,792 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 02:00:47,792 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 02:00:47,794 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 02:00:47,795 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:00:47" (1/1) ... [2021-11-23 02:00:47,795 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6cd86c7d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:00:47, skipping insertion in model container [2021-11-23 02:00:47,795 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:00:47" (1/1) ... [2021-11-23 02:00:47,800 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 02:00:47,880 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 02:00:49,938 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--usb--isp1760--isp1760.ko-entry_point.cil.out.i[331365,331378] [2021-11-23 02:00:49,978 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 02:00:50,014 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 02:00:50,352 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--usb--isp1760--isp1760.ko-entry_point.cil.out.i[331365,331378] [2021-11-23 02:00:50,366 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 02:00:50,437 INFO L208 MainTranslator]: Completed translation [2021-11-23 02:00:50,438 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:00:50 WrapperNode [2021-11-23 02:00:50,438 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 02:00:50,440 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 02:00:50,440 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 02:00:50,440 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 02:00:50,445 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:00:50" (1/1) ... [2021-11-23 02:00:50,534 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:00:50" (1/1) ... [2021-11-23 02:00:51,904 INFO L137 Inliner]: procedures = 335, calls = 3513, calls flagged for inlining = 952, calls inlined = 6146, statements flattened = 78359 [2021-11-23 02:00:51,905 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 02:00:51,906 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 02:00:51,906 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 02:00:51,906 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 02:00:51,912 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:00:50" (1/1) ... [2021-11-23 02:00:51,913 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:00:50" (1/1) ... [2021-11-23 02:00:52,265 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:00:50" (1/1) ... [2021-11-23 02:00:52,266 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:00:50" (1/1) ... [2021-11-23 02:00:53,459 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:00:50" (1/1) ... [2021-11-23 02:00:53,783 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:00:50" (1/1) ... [2021-11-23 02:00:54,060 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:00:50" (1/1) ... [2021-11-23 02:00:54,417 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 02:00:54,418 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 02:00:54,419 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 02:00:54,419 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 02:00:54,420 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:00:50" (1/1) ... [2021-11-23 02:00:54,424 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 02:00:54,432 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-23 02:00:54,467 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 02:00:54,510 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 02:00:54,534 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-23 02:00:54,535 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 02:00:54,535 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 02:00:54,535 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 02:00:54,536 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-23 02:00:54,536 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_unaligned_access_size [2021-11-23 02:00:54,536 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-23 02:00:54,536 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 02:00:54,536 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 02:00:54,536 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 02:00:54,536 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 02:00:54,536 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 02:00:54,537 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 02:00:54,537 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 02:00:54,537 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 02:00:55,303 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 02:00:55,305 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 02:03:37,411 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 02:03:37,448 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 02:03:37,448 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-23 02:03:37,458 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:03:37 BoogieIcfgContainer [2021-11-23 02:03:37,458 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 02:03:37,460 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-23 02:03:37,460 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-23 02:03:37,462 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-23 02:03:37,463 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 02:00:47" (1/3) ... [2021-11-23 02:03:37,463 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48a3790b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:03:37, skipping insertion in model container [2021-11-23 02:03:37,464 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:00:50" (2/3) ... [2021-11-23 02:03:37,464 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48a3790b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:03:37, skipping insertion in model container [2021-11-23 02:03:37,464 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:03:37" (3/3) ... [2021-11-23 02:03:37,465 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--usb--isp1760--isp1760.ko-entry_point.cil.out.i [2021-11-23 02:03:37,472 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-23 02:03:37,473 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 36 error locations. [2021-11-23 02:03:37,541 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-23 02:03:37,557 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-23 02:03:37,557 INFO L340 AbstractCegarLoop]: Starting to check reachability of 36 error locations. [2021-11-23 02:03:37,673 INFO L276 IsEmpty]: Start isEmpty. Operand has 13035 states, 12998 states have (on average 1.3570549315279274) internal successors, (17639), 13034 states have internal predecessors, (17639), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:03:37,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-23 02:03:37,689 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:03:37,690 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 02:03:37,691 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 33 more)] === [2021-11-23 02:03:37,694 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:03:37,695 INFO L85 PathProgramCache]: Analyzing trace with hash 1116243592, now seen corresponding path program 1 times [2021-11-23 02:03:37,701 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 02:03:37,701 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1858605022] [2021-11-23 02:03:37,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:03:37,702 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:03:38,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:03:38,414 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 02:03:38,414 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 02:03:38,415 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1858605022] [2021-11-23 02:03:38,416 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1858605022] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:03:38,416 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:03:38,416 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-23 02:03:38,417 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1618483036] [2021-11-23 02:03:38,417 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:03:38,420 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-23 02:03:38,420 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 02:03:38,443 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-23 02:03:38,446 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-23 02:03:38,470 INFO L87 Difference]: Start difference. First operand has 13035 states, 12998 states have (on average 1.3570549315279274) internal successors, (17639), 13034 states have internal predecessors, (17639), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 19.5) internal successors, (39), 2 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:03:38,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:03:38,725 INFO L93 Difference]: Finished difference Result 26030 states and 35237 transitions. [2021-11-23 02:03:38,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 02:03:38,727 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 19.5) internal successors, (39), 2 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 39 [2021-11-23 02:03:38,727 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:03:38,790 INFO L225 Difference]: With dead ends: 26030 [2021-11-23 02:03:38,790 INFO L226 Difference]: Without dead ends: 12978 [2021-11-23 02:03:38,816 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-23 02:03:38,819 INFO L933 BasicCegarLoop]: 17440 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 17440 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-23 02:03:38,820 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 17440 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-23 02:03:38,855 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12978 states. [2021-11-23 02:03:39,101 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12978 to 12978. [2021-11-23 02:03:39,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12978 states, 12942 states have (on average 1.3453098439190234) internal successors, (17411), 12977 states have internal predecessors, (17411), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:03:39,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12978 states to 12978 states and 17411 transitions. [2021-11-23 02:03:39,161 INFO L78 Accepts]: Start accepts. Automaton has 12978 states and 17411 transitions. Word has length 39 [2021-11-23 02:03:39,162 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:03:39,162 INFO L470 AbstractCegarLoop]: Abstraction has 12978 states and 17411 transitions. [2021-11-23 02:03:39,163 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 19.5) internal successors, (39), 2 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:03:39,163 INFO L276 IsEmpty]: Start isEmpty. Operand 12978 states and 17411 transitions. [2021-11-23 02:03:39,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-23 02:03:39,165 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:03:39,165 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 02:03:39,166 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-23 02:03:39,166 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 33 more)] === [2021-11-23 02:03:39,168 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:03:39,168 INFO L85 PathProgramCache]: Analyzing trace with hash 721876806, now seen corresponding path program 1 times [2021-11-23 02:03:39,169 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 02:03:39,169 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [331642385] [2021-11-23 02:03:39,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:03:39,169 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:03:39,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:03:39,616 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 02:03:39,617 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 02:03:39,617 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [331642385] [2021-11-23 02:03:39,618 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [331642385] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:03:39,618 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:03:39,618 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 02:03:39,618 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1273791299] [2021-11-23 02:03:39,619 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:03:39,619 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 02:03:39,620 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 02:03:39,620 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 02:03:39,621 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 02:03:39,621 INFO L87 Difference]: Start difference. First operand 12978 states and 17411 transitions. Second operand has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:03:40,176 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:03:40,176 INFO L93 Difference]: Finished difference Result 35939 states and 48251 transitions. [2021-11-23 02:03:40,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 02:03:40,178 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 39 [2021-11-23 02:03:40,178 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:03:40,249 INFO L225 Difference]: With dead ends: 35939 [2021-11-23 02:03:40,249 INFO L226 Difference]: Without dead ends: 22970 [2021-11-23 02:03:40,270 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 02:03:40,272 INFO L933 BasicCegarLoop]: 17410 mSDtfsCounter, 13433 mSDsluCounter, 17372 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13433 SdHoareTripleChecker+Valid, 34782 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-23 02:03:40,273 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [13433 Valid, 34782 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-23 02:03:40,301 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22970 states. [2021-11-23 02:03:40,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22970 to 22912. [2021-11-23 02:03:40,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22912 states, 22876 states have (on average 1.3472197936702222) internal successors, (30819), 22911 states have internal predecessors, (30819), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:03:40,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22912 states to 22912 states and 30819 transitions. [2021-11-23 02:03:40,677 INFO L78 Accepts]: Start accepts. Automaton has 22912 states and 30819 transitions. Word has length 39 [2021-11-23 02:03:40,677 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:03:40,678 INFO L470 AbstractCegarLoop]: Abstraction has 22912 states and 30819 transitions. [2021-11-23 02:03:40,678 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:03:40,678 INFO L276 IsEmpty]: Start isEmpty. Operand 22912 states and 30819 transitions. [2021-11-23 02:03:40,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2021-11-23 02:03:40,695 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:03:40,696 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 02:03:40,696 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-23 02:03:40,696 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 33 more)] === [2021-11-23 02:03:40,696 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:03:40,696 INFO L85 PathProgramCache]: Analyzing trace with hash 534053414, now seen corresponding path program 1 times [2021-11-23 02:03:40,697 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 02:03:40,697 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [396592651] [2021-11-23 02:03:40,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:03:40,697 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:03:40,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:03:41,005 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 02:03:41,005 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 02:03:41,005 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [396592651] [2021-11-23 02:03:41,005 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [396592651] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:03:41,005 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:03:41,006 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 02:03:41,006 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1704541395] [2021-11-23 02:03:41,006 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:03:41,007 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 02:03:41,007 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 02:03:41,008 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 02:03:41,008 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 02:03:41,008 INFO L87 Difference]: Start difference. First operand 22912 states and 30819 transitions. Second operand has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:03:41,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:03:41,733 INFO L93 Difference]: Finished difference Result 50511 states and 67827 transitions. [2021-11-23 02:03:41,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 02:03:41,734 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 62 [2021-11-23 02:03:41,734 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:03:41,793 INFO L225 Difference]: With dead ends: 50511 [2021-11-23 02:03:41,793 INFO L226 Difference]: Without dead ends: 27608 [2021-11-23 02:03:41,830 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 02:03:41,831 INFO L933 BasicCegarLoop]: 21348 mSDtfsCounter, 5077 mSDsluCounter, 17306 mSDsCounter, 0 mSdLazyCounter, 96 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5077 SdHoareTripleChecker+Valid, 38654 SdHoareTripleChecker+Invalid, 98 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 96 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-11-23 02:03:41,832 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5077 Valid, 38654 Invalid, 98 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 96 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2021-11-23 02:03:41,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27608 states. [2021-11-23 02:03:42,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27608 to 27576. [2021-11-23 02:03:42,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27576 states, 27540 states have (on average 1.34320987654321) internal successors, (36992), 27575 states have internal predecessors, (36992), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:03:42,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27576 states to 27576 states and 36992 transitions. [2021-11-23 02:03:42,341 INFO L78 Accepts]: Start accepts. Automaton has 27576 states and 36992 transitions. Word has length 62 [2021-11-23 02:03:42,341 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:03:42,342 INFO L470 AbstractCegarLoop]: Abstraction has 27576 states and 36992 transitions. [2021-11-23 02:03:42,342 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:03:42,342 INFO L276 IsEmpty]: Start isEmpty. Operand 27576 states and 36992 transitions. [2021-11-23 02:03:42,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2021-11-23 02:03:42,346 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:03:42,346 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 02:03:42,346 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-23 02:03:42,346 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 33 more)] === [2021-11-23 02:03:42,347 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:03:42,347 INFO L85 PathProgramCache]: Analyzing trace with hash -648889787, now seen corresponding path program 1 times [2021-11-23 02:03:42,347 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 02:03:42,347 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [999644130] [2021-11-23 02:03:42,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:03:42,347 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:03:42,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:03:43,073 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 02:03:43,074 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 02:03:43,074 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [999644130] [2021-11-23 02:03:43,074 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [999644130] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:03:43,074 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:03:43,074 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 02:03:43,075 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2147284914] [2021-11-23 02:03:43,075 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:03:43,075 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 02:03:43,075 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 02:03:43,076 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 02:03:43,076 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 02:03:43,076 INFO L87 Difference]: Start difference. First operand 27576 states and 36992 transitions. Second operand has 3 states, 3 states have (on average 34.333333333333336) internal successors, (103), 3 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:03:44,003 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:03:44,003 INFO L93 Difference]: Finished difference Result 81177 states and 108990 transitions. [2021-11-23 02:03:44,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 02:03:44,004 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 34.333333333333336) internal successors, (103), 3 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 103 [2021-11-23 02:03:44,004 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:03:44,127 INFO L225 Difference]: With dead ends: 81177 [2021-11-23 02:03:44,128 INFO L226 Difference]: Without dead ends: 53610 [2021-11-23 02:03:44,177 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 02:03:44,179 INFO L933 BasicCegarLoop]: 33662 mSDtfsCounter, 16889 mSDsluCounter, 17390 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16889 SdHoareTripleChecker+Valid, 51052 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-23 02:03:44,180 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [16889 Valid, 51052 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-23 02:03:44,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53610 states. [2021-11-23 02:03:45,252 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53610 to 53408. [2021-11-23 02:03:45,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53408 states, 53372 states have (on average 1.3454995128531815) internal successors, (71812), 53407 states have internal predecessors, (71812), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:03:45,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53408 states to 53408 states and 71812 transitions. [2021-11-23 02:03:45,443 INFO L78 Accepts]: Start accepts. Automaton has 53408 states and 71812 transitions. Word has length 103 [2021-11-23 02:03:45,444 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:03:45,444 INFO L470 AbstractCegarLoop]: Abstraction has 53408 states and 71812 transitions. [2021-11-23 02:03:45,444 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 34.333333333333336) internal successors, (103), 3 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:03:45,445 INFO L276 IsEmpty]: Start isEmpty. Operand 53408 states and 71812 transitions. [2021-11-23 02:03:45,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2021-11-23 02:03:45,449 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:03:45,450 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 02:03:45,450 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-23 02:03:45,450 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 33 more)] === [2021-11-23 02:03:45,450 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:03:45,451 INFO L85 PathProgramCache]: Analyzing trace with hash 208978735, now seen corresponding path program 1 times [2021-11-23 02:03:45,451 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 02:03:45,451 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1470697225] [2021-11-23 02:03:45,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:03:45,451 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:03:45,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:03:45,982 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 02:03:45,982 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 02:03:45,982 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1470697225] [2021-11-23 02:03:45,982 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1470697225] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:03:45,982 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:03:45,982 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 02:03:45,982 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [774956180] [2021-11-23 02:03:45,982 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:03:45,983 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 02:03:45,983 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 02:03:45,984 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 02:03:45,984 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 02:03:45,984 INFO L87 Difference]: Start difference. First operand 53408 states and 71812 transitions. Second operand has 3 states, 3 states have (on average 34.666666666666664) internal successors, (104), 3 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:03:47,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:03:47,426 INFO L93 Difference]: Finished difference Result 157521 states and 211938 transitions. [2021-11-23 02:03:47,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 02:03:47,427 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 34.666666666666664) internal successors, (104), 3 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 104 [2021-11-23 02:03:47,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:03:47,664 INFO L225 Difference]: With dead ends: 157521 [2021-11-23 02:03:47,665 INFO L226 Difference]: Without dead ends: 104122 [2021-11-23 02:03:47,754 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 02:03:47,755 INFO L933 BasicCegarLoop]: 34120 mSDtfsCounter, 16932 mSDsluCounter, 17390 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16932 SdHoareTripleChecker+Valid, 51510 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-23 02:03:47,755 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [16932 Valid, 51510 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-23 02:03:47,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104122 states. [2021-11-23 02:03:49,564 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104122 to 103884. [2021-11-23 02:03:49,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 103884 states, 103848 states have (on average 1.3471227178183498) internal successors, (139896), 103883 states have internal predecessors, (139896), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:03:50,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103884 states to 103884 states and 139896 transitions. [2021-11-23 02:03:50,104 INFO L78 Accepts]: Start accepts. Automaton has 103884 states and 139896 transitions. Word has length 104 [2021-11-23 02:03:50,105 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:03:50,105 INFO L470 AbstractCegarLoop]: Abstraction has 103884 states and 139896 transitions. [2021-11-23 02:03:50,105 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 34.666666666666664) internal successors, (104), 3 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:03:50,119 INFO L276 IsEmpty]: Start isEmpty. Operand 103884 states and 139896 transitions. [2021-11-23 02:03:50,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2021-11-23 02:03:50,143 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:03:50,143 INFO L514 BasicCegarLoop]: trace histogram [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] [2021-11-23 02:03:50,144 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-23 02:03:50,144 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 33 more)] === [2021-11-23 02:03:50,144 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:03:50,144 INFO L85 PathProgramCache]: Analyzing trace with hash -1844717531, now seen corresponding path program 1 times [2021-11-23 02:03:50,144 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 02:03:50,144 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [305075297] [2021-11-23 02:03:50,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:03:50,145 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:03:50,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:03:50,672 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-23 02:03:50,672 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 02:03:50,672 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [305075297] [2021-11-23 02:03:50,673 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [305075297] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:03:50,673 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:03:50,673 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-23 02:03:50,673 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1124914103] [2021-11-23 02:03:50,673 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:03:50,674 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 02:03:50,674 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 02:03:50,674 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 02:03:50,674 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 02:03:50,674 INFO L87 Difference]: Start difference. First operand 103884 states and 139896 transitions. Second operand has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 2 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:03:52,347 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:03:52,348 INFO L93 Difference]: Finished difference Result 103884 states and 139896 transitions. [2021-11-23 02:03:52,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 02:03:52,353 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 2 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 106 [2021-11-23 02:03:52,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:03:52,674 INFO L225 Difference]: With dead ends: 103884 [2021-11-23 02:03:52,674 INFO L226 Difference]: Without dead ends: 103860 [2021-11-23 02:03:52,705 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 02:03:52,706 INFO L933 BasicCegarLoop]: 17375 mSDtfsCounter, 2612 mSDsluCounter, 14497 mSDsCounter, 0 mSdLazyCounter, 126 mSolverCounterSat, 79 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2612 SdHoareTripleChecker+Valid, 31872 SdHoareTripleChecker+Invalid, 205 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 79 IncrementalHoareTripleChecker+Valid, 126 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-11-23 02:03:52,707 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2612 Valid, 31872 Invalid, 205 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [79 Valid, 126 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-11-23 02:03:52,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103860 states. [2021-11-23 02:03:54,463 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103860 to 103860. [2021-11-23 02:03:54,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 103860 states, 103836 states have (on average 1.346238298855888) internal successors, (139788), 103859 states have internal predecessors, (139788), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:03:54,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103860 states to 103860 states and 139788 transitions. [2021-11-23 02:03:54,744 INFO L78 Accepts]: Start accepts. Automaton has 103860 states and 139788 transitions. Word has length 106 [2021-11-23 02:03:54,749 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:03:54,749 INFO L470 AbstractCegarLoop]: Abstraction has 103860 states and 139788 transitions. [2021-11-23 02:03:54,749 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 2 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:03:54,750 INFO L276 IsEmpty]: Start isEmpty. Operand 103860 states and 139788 transitions. [2021-11-23 02:03:54,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2021-11-23 02:03:54,836 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:03:54,836 INFO L514 BasicCegarLoop]: trace histogram [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] [2021-11-23 02:03:54,836 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-23 02:03:54,837 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 33 more)] === [2021-11-23 02:03:54,837 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:03:54,837 INFO L85 PathProgramCache]: Analyzing trace with hash 402593093, now seen corresponding path program 1 times [2021-11-23 02:03:54,837 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 02:03:54,837 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1907189857] [2021-11-23 02:03:54,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:03:54,838 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:03:55,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:03:55,267 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 02:03:55,267 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 02:03:55,267 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1907189857] [2021-11-23 02:03:55,267 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1907189857] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:03:55,268 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:03:55,268 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-23 02:03:55,268 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [632765941] [2021-11-23 02:03:55,268 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:03:55,268 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 02:03:55,268 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 02:03:55,268 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 02:03:55,268 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-23 02:03:55,269 INFO L87 Difference]: Start difference. First operand 103860 states and 139788 transitions. Second operand has 4 states, 4 states have (on average 34.5) internal successors, (138), 4 states have internal predecessors, (138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:04:00,640 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:04:00,641 INFO L93 Difference]: Finished difference Result 310578 states and 417954 transitions. [2021-11-23 02:04:00,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-23 02:04:00,642 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 34.5) internal successors, (138), 4 states have internal predecessors, (138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 139 [2021-11-23 02:04:00,642 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:04:01,229 INFO L225 Difference]: With dead ends: 310578 [2021-11-23 02:04:01,229 INFO L226 Difference]: Without dead ends: 206727 [2021-11-23 02:04:01,455 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-23 02:04:01,456 INFO L933 BasicCegarLoop]: 32216 mSDtfsCounter, 17044 mSDsluCounter, 49217 mSDsCounter, 0 mSdLazyCounter, 612 mSolverCounterSat, 191 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17044 SdHoareTripleChecker+Valid, 81433 SdHoareTripleChecker+Invalid, 803 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 191 IncrementalHoareTripleChecker+Valid, 612 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2021-11-23 02:04:01,456 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [17044 Valid, 81433 Invalid, 803 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [191 Valid, 612 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2021-11-23 02:04:01,666 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 206727 states. [2021-11-23 02:04:04,604 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 206727 to 104364. [2021-11-23 02:04:04,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 104364 states, 104340 states have (on average 1.3445658424381828) internal successors, (140292), 104363 states have internal predecessors, (140292), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:04:04,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104364 states to 104364 states and 140292 transitions. [2021-11-23 02:04:04,914 INFO L78 Accepts]: Start accepts. Automaton has 104364 states and 140292 transitions. Word has length 139 [2021-11-23 02:04:04,915 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:04:04,915 INFO L470 AbstractCegarLoop]: Abstraction has 104364 states and 140292 transitions. [2021-11-23 02:04:04,915 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 34.5) internal successors, (138), 4 states have internal predecessors, (138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:04:04,915 INFO L276 IsEmpty]: Start isEmpty. Operand 104364 states and 140292 transitions. [2021-11-23 02:04:04,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2021-11-23 02:04:04,949 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:04:04,949 INFO L514 BasicCegarLoop]: trace histogram [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] [2021-11-23 02:04:04,949 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-23 02:04:04,950 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 33 more)] === [2021-11-23 02:04:04,950 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:04:04,950 INFO L85 PathProgramCache]: Analyzing trace with hash 1361823109, now seen corresponding path program 1 times [2021-11-23 02:04:04,950 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 02:04:04,950 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1079481597] [2021-11-23 02:04:04,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:04:04,951 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:04:05,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:04:05,503 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 02:04:05,503 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 02:04:05,503 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1079481597] [2021-11-23 02:04:05,503 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1079481597] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:04:05,503 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:04:05,504 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 02:04:05,504 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [253087484] [2021-11-23 02:04:05,504 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:04:05,504 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 02:04:05,504 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 02:04:05,504 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 02:04:05,504 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 02:04:05,504 INFO L87 Difference]: Start difference. First operand 104364 states and 140292 transitions. Second operand has 3 states, 3 states have (on average 46.0) internal successors, (138), 3 states have internal predecessors, (138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:04:08,740 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:04:08,740 INFO L93 Difference]: Finished difference Result 208751 states and 280639 transitions. [2021-11-23 02:04:08,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 02:04:08,741 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 46.0) internal successors, (138), 3 states have internal predecessors, (138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 139 [2021-11-23 02:04:08,741 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:04:08,952 INFO L225 Difference]: With dead ends: 208751 [2021-11-23 02:04:08,952 INFO L226 Difference]: Without dead ends: 104396 [2021-11-23 02:04:09,075 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 02:04:09,075 INFO L933 BasicCegarLoop]: 17383 mSDtfsCounter, 0 mSDsluCounter, 17156 mSDsCounter, 0 mSdLazyCounter, 231 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 34539 SdHoareTripleChecker+Invalid, 237 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 231 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2021-11-23 02:04:09,076 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 34539 Invalid, 237 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 231 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2021-11-23 02:04:09,172 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104396 states.