./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--irda--vlsi_ir.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5f08f0f0 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--irda--vlsi_ir.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 3be4ac024b7f357f41d231fb5742f86a984717c473cc6044544e39e88c4f03b3 --- Real Ultimate output --- This is Ultimate 0.2.1-wip.dd.seqcomp-5f08f0f [2021-11-05 19:17:17,488 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-05 19:17:17,490 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-05 19:17:17,523 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-05 19:17:17,524 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-05 19:17:17,527 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-05 19:17:17,528 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-05 19:17:17,531 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-05 19:17:17,533 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-05 19:17:17,540 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-05 19:17:17,540 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-05 19:17:17,541 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-05 19:17:17,541 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-05 19:17:17,541 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-05 19:17:17,542 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-05 19:17:17,543 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-05 19:17:17,543 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-05 19:17:17,544 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-05 19:17:17,545 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-05 19:17:17,546 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-05 19:17:17,546 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-05 19:17:17,547 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-05 19:17:17,549 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-05 19:17:17,550 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-05 19:17:17,554 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-05 19:17:17,556 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-05 19:17:17,556 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-05 19:17:17,557 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-05 19:17:17,558 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-05 19:17:17,558 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-05 19:17:17,559 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-05 19:17:17,559 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-05 19:17:17,560 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-05 19:17:17,560 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-05 19:17:17,561 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-05 19:17:17,562 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-05 19:17:17,562 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-05 19:17:17,562 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-05 19:17:17,562 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-05 19:17:17,563 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-05 19:17:17,564 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-05 19:17:17,565 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-05 19:17:17,600 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-05 19:17:17,601 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-05 19:17:17,601 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-05 19:17:17,601 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-05 19:17:17,603 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-05 19:17:17,603 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-05 19:17:17,603 INFO L138 SettingsManager]: * Use SBE=true [2021-11-05 19:17:17,604 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-05 19:17:17,604 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-05 19:17:17,604 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-05 19:17:17,604 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-05 19:17:17,605 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-05 19:17:17,605 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-05 19:17:17,605 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-05 19:17:17,605 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-05 19:17:17,605 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-05 19:17:17,605 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-05 19:17:17,605 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-05 19:17:17,606 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-05 19:17:17,606 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-05 19:17:17,606 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-05 19:17:17,606 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-05 19:17:17,606 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-05 19:17:17,606 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-05 19:17:17,606 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-05 19:17:17,611 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-05 19:17:17,611 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-05 19:17:17,611 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-05 19:17:17,611 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-05 19:17:17,611 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3be4ac024b7f357f41d231fb5742f86a984717c473cc6044544e39e88c4f03b3 [2021-11-05 19:17:17,851 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-05 19:17:17,871 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-05 19:17:17,873 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-05 19:17:17,874 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-05 19:17:17,878 INFO L275 PluginConnector]: CDTParser initialized [2021-11-05 19:17:17,879 INFO L432 ainManager$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--irda--vlsi_ir.ko-entry_point.cil.out.i [2021-11-05 19:17:17,926 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4210f33ec/1ee40f6efa4744f499ec4228beb8213e/FLAG62cc9c8f9 [2021-11-05 19:17:18,568 INFO L306 CDTParser]: Found 1 translation units. [2021-11-05 19:17:18,569 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--irda--vlsi_ir.ko-entry_point.cil.out.i [2021-11-05 19:17:18,596 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4210f33ec/1ee40f6efa4744f499ec4228beb8213e/FLAG62cc9c8f9 [2021-11-05 19:17:18,952 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4210f33ec/1ee40f6efa4744f499ec4228beb8213e [2021-11-05 19:17:18,954 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-05 19:17:18,955 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-05 19:17:18,956 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-05 19:17:18,956 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-05 19:17:18,958 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-05 19:17:18,959 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.11 07:17:18" (1/1) ... [2021-11-05 19:17:18,959 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a75f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 07:17:18, skipping insertion in model container [2021-11-05 19:17:18,959 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.11 07:17:18" (1/1) ... [2021-11-05 19:17:18,966 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-05 19:17:19,058 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-05 19:17:20,698 WARN L228 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--irda--vlsi_ir.ko-entry_point.cil.out.i[293856,293869] [2021-11-05 19:17:20,745 WARN L612 FunctionHandler]: implicit declaration of function ldv_xmalloc [2021-11-05 19:17:20,763 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-05 19:17:20,793 INFO L203 MainTranslator]: Completed pre-run [2021-11-05 19:17:21,140 WARN L228 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--irda--vlsi_ir.ko-entry_point.cil.out.i[293856,293869] [2021-11-05 19:17:21,142 WARN L612 FunctionHandler]: implicit declaration of function ldv_xmalloc [2021-11-05 19:17:21,148 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-05 19:17:21,221 INFO L208 MainTranslator]: Completed translation [2021-11-05 19:17:21,222 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 07:17:21 WrapperNode [2021-11-05 19:17:21,222 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-05 19:17:21,223 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-05 19:17:21,223 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-05 19:17:21,223 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-05 19:17:21,227 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 07:17:21" (1/1) ... [2021-11-05 19:17:21,301 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 07:17:21" (1/1) ... [2021-11-05 19:17:21,950 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-05 19:17:21,950 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-05 19:17:21,951 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-05 19:17:21,951 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-05 19:17:21,961 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 07:17:21" (1/1) ... [2021-11-05 19:17:21,961 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 07:17:21" (1/1) ... [2021-11-05 19:17:22,101 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 07:17:21" (1/1) ... [2021-11-05 19:17:22,102 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 07:17:21" (1/1) ... [2021-11-05 19:17:22,500 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 07:17:21" (1/1) ... [2021-11-05 19:17:22,585 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 07:17:21" (1/1) ... [2021-11-05 19:17:22,708 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 07:17:21" (1/1) ... [2021-11-05 19:17:22,939 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-05 19:17:22,941 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-05 19:17:22,941 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-05 19:17:22,941 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-05 19:17:22,942 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 07:17:21" (1/1) ... [2021-11-05 19:17:22,947 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-05 19:17:22,953 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-05 19:17:22,993 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) [2021-11-05 19:17:23,043 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 [2021-11-05 19:17:23,071 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-05 19:17:23,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-05 19:17:23,071 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-05 19:17:23,072 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-05 19:17:23,072 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-11-05 19:17:23,072 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-05 19:17:23,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-05 19:17:23,072 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-05 19:17:23,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-05 19:17:23,072 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-05 19:17:23,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-05 19:17:23,073 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-05 19:17:23,073 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-05 19:17:23,073 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-05 19:17:23,073 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-05 19:17:23,073 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-05 19:17:23,073 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-05 19:18:51,272 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-05 19:18:51,273 INFO L299 CfgBuilder]: Removed 5400 assume(true) statements. [2021-11-05 19:18:51,279 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.11 07:18:51 BoogieIcfgContainer [2021-11-05 19:18:51,279 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-05 19:18:51,280 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-05 19:18:51,281 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-05 19:18:51,283 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-05 19:18:51,283 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.11 07:17:18" (1/3) ... [2021-11-05 19:18:51,283 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@229c9b6b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.11 07:18:51, skipping insertion in model container [2021-11-05 19:18:51,283 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 07:17:21" (2/3) ... [2021-11-05 19:18:51,284 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@229c9b6b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.11 07:18:51, skipping insertion in model container [2021-11-05 19:18:51,284 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.11 07:18:51" (3/3) ... [2021-11-05 19:18:51,285 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--net--irda--vlsi_ir.ko-entry_point.cil.out.i [2021-11-05 19:18:51,288 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-05 19:18:51,288 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 16 error locations. [2021-11-05 19:18:51,351 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-05 19:18:51,355 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 [2021-11-05 19:18:51,355 INFO L340 AbstractCegarLoop]: Starting to check reachability of 16 error locations. [2021-11-05 19:18:51,422 INFO L276 IsEmpty]: Start isEmpty. Operand has 5212 states, 5195 states have (on average 1.3451395572666025) internal successors, (6988), 5211 states have internal predecessors, (6988), 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) [2021-11-05 19:18:51,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-05 19:18:51,441 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 19:18:51,442 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] [2021-11-05 19:18:51,442 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2021-11-05 19:18:51,446 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 19:18:51,447 INFO L85 PathProgramCache]: Analyzing trace with hash 1631980527, now seen corresponding path program 1 times [2021-11-05 19:18:51,453 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 19:18:51,453 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1163382449] [2021-11-05 19:18:51,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 19:18:51,454 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 19:18:51,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 19:18:52,049 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-05 19:18:52,050 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 19:18:52,051 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1163382449] [2021-11-05 19:18:52,052 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1163382449] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 19:18:52,052 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 19:18:52,052 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-05 19:18:52,054 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1099408605] [2021-11-05 19:18:52,055 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 19:18:52,057 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-05 19:18:52,058 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 19:18:52,079 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-05 19:18:52,083 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-05 19:18:52,095 INFO L87 Difference]: Start difference. First operand has 5212 states, 5195 states have (on average 1.3451395572666025) internal successors, (6988), 5211 states have internal predecessors, (6988), 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 32.0) internal successors, (64), 2 states have internal predecessors, (64), 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) [2021-11-05 19:18:52,240 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 19:18:52,240 INFO L93 Difference]: Finished difference Result 10420 states and 13971 transitions. [2021-11-05 19:18:52,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-05 19:18:52,242 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 32.0) internal successors, (64), 2 states have internal predecessors, (64), 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 64 [2021-11-05 19:18:52,243 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 19:18:52,274 INFO L225 Difference]: With dead ends: 10420 [2021-11-05 19:18:52,274 INFO L226 Difference]: Without dead ends: 5146 [2021-11-05 19:18:52,288 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.03ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-05 19:18:52,292 INFO L933 BasicCegarLoop]: 6942 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.00ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 6942 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 12.12ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.00ms IncrementalHoareTripleChecker+Time [2021-11-05 19:18:52,293 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 6942 Invalid, 0 Unknown, 0 Unchecked, 12.12ms Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.00ms Time] [2021-11-05 19:18:52,315 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5146 states. [2021-11-05 19:18:52,431 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5146 to 5146. [2021-11-05 19:18:52,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5146 states, 5130 states have (on average 1.3284600389863548) internal successors, (6815), 5145 states have internal predecessors, (6815), 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) [2021-11-05 19:18:52,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5146 states to 5146 states and 6815 transitions. [2021-11-05 19:18:52,460 INFO L78 Accepts]: Start accepts. Automaton has 5146 states and 6815 transitions. Word has length 64 [2021-11-05 19:18:52,460 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 19:18:52,461 INFO L470 AbstractCegarLoop]: Abstraction has 5146 states and 6815 transitions. [2021-11-05 19:18:52,461 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 32.0) internal successors, (64), 2 states have internal predecessors, (64), 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) [2021-11-05 19:18:52,461 INFO L276 IsEmpty]: Start isEmpty. Operand 5146 states and 6815 transitions. [2021-11-05 19:18:52,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-05 19:18:52,466 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 19:18:52,466 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] [2021-11-05 19:18:52,466 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-05 19:18:52,467 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2021-11-05 19:18:52,468 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 19:18:52,468 INFO L85 PathProgramCache]: Analyzing trace with hash 1881373433, now seen corresponding path program 1 times [2021-11-05 19:18:52,468 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 19:18:52,468 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1993684318] [2021-11-05 19:18:52,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 19:18:52,469 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 19:18:52,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 19:18:52,763 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-05 19:18:52,763 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 19:18:52,763 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1993684318] [2021-11-05 19:18:52,763 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1993684318] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 19:18:52,763 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 19:18:52,764 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-05 19:18:52,764 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [849635273] [2021-11-05 19:18:52,764 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 19:18:52,765 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-05 19:18:52,765 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 19:18:52,765 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-05 19:18:52,765 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-05 19:18:52,766 INFO L87 Difference]: Start difference. First operand 5146 states and 6815 transitions. Second operand has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 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) [2021-11-05 19:18:53,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 19:18:53,377 INFO L93 Difference]: Finished difference Result 12709 states and 16862 transitions. [2021-11-05 19:18:53,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-05 19:18:53,378 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 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 64 [2021-11-05 19:18:53,378 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 19:18:53,405 INFO L225 Difference]: With dead ends: 12709 [2021-11-05 19:18:53,407 INFO L226 Difference]: Without dead ends: 7601 [2021-11-05 19:18:53,420 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 24.02ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-05 19:18:53,422 INFO L933 BasicCegarLoop]: 6814 mSDtfsCounter, 3372 mSDsluCounter, 6659 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 416.39ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 3372 SdHoareTripleChecker+Valid, 13473 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 19.28ms SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 455.87ms IncrementalHoareTripleChecker+Time [2021-11-05 19:18:53,423 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3372 Valid, 13473 Invalid, 52 Unknown, 0 Unchecked, 19.28ms Time], IncrementalHoareTripleChecker [16 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 455.87ms Time] [2021-11-05 19:18:53,435 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7601 states. [2021-11-05 19:18:53,571 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7601 to 7559. [2021-11-05 19:18:53,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7559 states, 7543 states have (on average 1.332361129524062) internal successors, (10050), 7558 states have internal predecessors, (10050), 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) [2021-11-05 19:18:53,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7559 states to 7559 states and 10050 transitions. [2021-11-05 19:18:53,602 INFO L78 Accepts]: Start accepts. Automaton has 7559 states and 10050 transitions. Word has length 64 [2021-11-05 19:18:53,602 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 19:18:53,602 INFO L470 AbstractCegarLoop]: Abstraction has 7559 states and 10050 transitions. [2021-11-05 19:18:53,603 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 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) [2021-11-05 19:18:53,603 INFO L276 IsEmpty]: Start isEmpty. Operand 7559 states and 10050 transitions. [2021-11-05 19:18:53,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2021-11-05 19:18:53,605 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 19:18:53,606 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] [2021-11-05 19:18:53,606 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-05 19:18:53,606 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2021-11-05 19:18:53,607 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 19:18:53,607 INFO L85 PathProgramCache]: Analyzing trace with hash -443608998, now seen corresponding path program 1 times [2021-11-05 19:18:53,607 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 19:18:53,607 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [318954997] [2021-11-05 19:18:53,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 19:18:53,607 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 19:18:53,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 19:18:53,945 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-05 19:18:53,945 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 19:18:53,945 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [318954997] [2021-11-05 19:18:53,946 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [318954997] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 19:18:53,946 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 19:18:53,946 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-05 19:18:53,946 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [918835669] [2021-11-05 19:18:53,946 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 19:18:53,946 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-05 19:18:53,946 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 19:18:53,947 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-05 19:18:53,947 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-05 19:18:53,947 INFO L87 Difference]: Start difference. First operand 7559 states and 10050 transitions. Second operand has 4 states, 4 states have (on average 18.75) internal successors, (75), 3 states have internal predecessors, (75), 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) [2021-11-05 19:18:54,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 19:18:54,931 INFO L93 Difference]: Finished difference Result 31767 states and 42119 transitions. [2021-11-05 19:18:54,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-05 19:18:54,932 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.75) internal successors, (75), 3 states have internal predecessors, (75), 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 75 [2021-11-05 19:18:54,933 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 19:18:55,028 INFO L225 Difference]: With dead ends: 31767 [2021-11-05 19:18:55,028 INFO L226 Difference]: Without dead ends: 24246 [2021-11-05 19:18:55,062 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 115.45ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-05 19:18:55,065 INFO L933 BasicCegarLoop]: 16769 mSDtfsCounter, 11338 mSDsluCounter, 14193 mSDsCounter, 0 mSdLazyCounter, 62 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 436.83ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 11338 SdHoareTripleChecker+Valid, 30962 SdHoareTripleChecker+Invalid, 75 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 42.80ms SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 62 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 462.05ms IncrementalHoareTripleChecker+Time [2021-11-05 19:18:55,069 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11338 Valid, 30962 Invalid, 75 Unknown, 0 Unchecked, 42.80ms Time], IncrementalHoareTripleChecker [13 Valid, 62 Invalid, 0 Unknown, 0 Unchecked, 462.05ms Time] [2021-11-05 19:18:55,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24246 states. [2021-11-05 19:18:55,689 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24246 to 12431. [2021-11-05 19:18:55,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12431 states, 12415 states have (on average 1.3282319774466371) internal successors, (16490), 12430 states have internal predecessors, (16490), 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) [2021-11-05 19:18:55,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12431 states to 12431 states and 16490 transitions. [2021-11-05 19:18:55,742 INFO L78 Accepts]: Start accepts. Automaton has 12431 states and 16490 transitions. Word has length 75 [2021-11-05 19:18:55,744 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 19:18:55,744 INFO L470 AbstractCegarLoop]: Abstraction has 12431 states and 16490 transitions. [2021-11-05 19:18:55,744 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.75) internal successors, (75), 3 states have internal predecessors, (75), 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) [2021-11-05 19:18:55,745 INFO L276 IsEmpty]: Start isEmpty. Operand 12431 states and 16490 transitions. [2021-11-05 19:18:55,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2021-11-05 19:18:55,749 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 19:18:55,749 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] [2021-11-05 19:18:55,749 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-05 19:18:55,750 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2021-11-05 19:18:55,751 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 19:18:55,751 INFO L85 PathProgramCache]: Analyzing trace with hash -1060255281, now seen corresponding path program 1 times [2021-11-05 19:18:55,751 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 19:18:55,751 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1115476232] [2021-11-05 19:18:55,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 19:18:55,752 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 19:18:55,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 19:18:56,114 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-05 19:18:56,114 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 19:18:56,114 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1115476232] [2021-11-05 19:18:56,114 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1115476232] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 19:18:56,115 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 19:18:56,115 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-05 19:18:56,115 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1933684829] [2021-11-05 19:18:56,115 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 19:18:56,115 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-05 19:18:56,115 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 19:18:56,115 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-05 19:18:56,116 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-05 19:18:56,116 INFO L87 Difference]: Start difference. First operand 12431 states and 16490 transitions. Second operand has 4 states, 4 states have (on average 19.0) internal successors, (76), 3 states have internal predecessors, (76), 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) [2021-11-05 19:18:57,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 19:18:57,093 INFO L93 Difference]: Finished difference Result 56125 states and 74319 transitions. [2021-11-05 19:18:57,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-05 19:18:57,093 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.0) internal successors, (76), 3 states have internal predecessors, (76), 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 76 [2021-11-05 19:18:57,097 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 19:18:57,209 INFO L225 Difference]: With dead ends: 56125 [2021-11-05 19:18:57,209 INFO L226 Difference]: Without dead ends: 43732 [2021-11-05 19:18:57,249 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 105.39ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-05 19:18:57,250 INFO L933 BasicCegarLoop]: 11789 mSDtfsCounter, 16324 mSDsluCounter, 13545 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 323.55ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 16324 SdHoareTripleChecker+Valid, 25334 SdHoareTripleChecker+Invalid, 67 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 27.37ms SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 352.79ms IncrementalHoareTripleChecker+Time [2021-11-05 19:18:57,250 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [16324 Valid, 25334 Invalid, 67 Unknown, 0 Unchecked, 27.37ms Time], IncrementalHoareTripleChecker [16 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 352.79ms Time] [2021-11-05 19:18:57,302 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43732 states. [2021-11-05 19:18:57,811 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43732 to 24142. [2021-11-05 19:18:57,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24142 states, 24126 states have (on average 1.3276962612948686) internal successors, (32032), 24141 states have internal predecessors, (32032), 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) [2021-11-05 19:18:57,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24142 states to 24142 states and 32032 transitions. [2021-11-05 19:18:57,908 INFO L78 Accepts]: Start accepts. Automaton has 24142 states and 32032 transitions. Word has length 76 [2021-11-05 19:18:57,909 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 19:18:57,909 INFO L470 AbstractCegarLoop]: Abstraction has 24142 states and 32032 transitions. [2021-11-05 19:18:57,909 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.0) internal successors, (76), 3 states have internal predecessors, (76), 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) [2021-11-05 19:18:57,909 INFO L276 IsEmpty]: Start isEmpty. Operand 24142 states and 32032 transitions. [2021-11-05 19:18:57,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2021-11-05 19:18:57,912 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 19:18:57,912 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] [2021-11-05 19:18:57,913 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-05 19:18:57,913 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2021-11-05 19:18:57,914 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 19:18:57,914 INFO L85 PathProgramCache]: Analyzing trace with hash 1298547508, now seen corresponding path program 1 times [2021-11-05 19:18:57,915 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 19:18:57,915 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [129358396] [2021-11-05 19:18:57,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 19:18:57,915 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 19:18:58,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 19:18:58,240 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-05 19:18:58,240 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 19:18:58,240 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [129358396] [2021-11-05 19:18:58,240 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [129358396] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 19:18:58,240 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 19:18:58,240 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-05 19:18:58,240 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1420670218] [2021-11-05 19:18:58,240 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 19:18:58,241 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-05 19:18:58,241 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 19:18:58,241 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-05 19:18:58,241 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-05 19:18:58,241 INFO L87 Difference]: Start difference. First operand 24142 states and 32032 transitions. Second operand has 4 states, 4 states have (on average 19.25) internal successors, (77), 3 states have internal predecessors, (77), 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) [2021-11-05 19:19:00,004 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 19:19:00,005 INFO L93 Difference]: Finished difference Result 110114 states and 145843 transitions. [2021-11-05 19:19:00,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-05 19:19:00,006 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.25) internal successors, (77), 3 states have internal predecessors, (77), 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 77 [2021-11-05 19:19:00,006 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 19:19:00,209 INFO L225 Difference]: With dead ends: 110114 [2021-11-05 19:19:00,210 INFO L226 Difference]: Without dead ends: 86010 [2021-11-05 19:19:00,271 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 109.89ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-05 19:19:00,272 INFO L933 BasicCegarLoop]: 11787 mSDtfsCounter, 16331 mSDsluCounter, 13545 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 328.19ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 16331 SdHoareTripleChecker+Valid, 25332 SdHoareTripleChecker+Invalid, 67 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 26.12ms SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 347.96ms IncrementalHoareTripleChecker+Time [2021-11-05 19:19:00,274 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [16331 Valid, 25332 Invalid, 67 Unknown, 0 Unchecked, 26.12ms Time], IncrementalHoareTripleChecker [16 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 347.96ms Time] [2021-11-05 19:19:00,376 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86010 states. [2021-11-05 19:19:01,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86010 to 46917. [2021-11-05 19:19:01,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46917 states, 46901 states have (on average 1.326922666894096) internal successors, (62234), 46916 states have internal predecessors, (62234), 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) [2021-11-05 19:19:02,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46917 states to 46917 states and 62234 transitions. [2021-11-05 19:19:02,028 INFO L78 Accepts]: Start accepts. Automaton has 46917 states and 62234 transitions. Word has length 77 [2021-11-05 19:19:02,029 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 19:19:02,029 INFO L470 AbstractCegarLoop]: Abstraction has 46917 states and 62234 transitions. [2021-11-05 19:19:02,029 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.25) internal successors, (77), 3 states have internal predecessors, (77), 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) [2021-11-05 19:19:02,029 INFO L276 IsEmpty]: Start isEmpty. Operand 46917 states and 62234 transitions. [2021-11-05 19:19:02,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2021-11-05 19:19:02,032 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 19:19:02,036 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] [2021-11-05 19:19:02,036 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-05 19:19:02,036 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2021-11-05 19:19:02,037 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 19:19:02,037 INFO L85 PathProgramCache]: Analyzing trace with hash 1406991017, now seen corresponding path program 1 times [2021-11-05 19:19:02,037 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 19:19:02,037 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [459769454] [2021-11-05 19:19:02,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 19:19:02,038 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 19:19:02,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 19:19:02,369 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-05 19:19:02,370 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 19:19:02,370 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [459769454] [2021-11-05 19:19:02,370 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [459769454] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 19:19:02,370 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 19:19:02,370 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-05 19:19:02,370 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1710131771] [2021-11-05 19:19:02,370 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 19:19:02,371 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-05 19:19:02,371 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 19:19:02,371 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-05 19:19:02,371 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-05 19:19:02,371 INFO L87 Difference]: Start difference. First operand 46917 states and 62234 transitions. Second operand has 4 states, 4 states have (on average 19.5) internal successors, (78), 3 states have internal predecessors, (78), 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) [2021-11-05 19:19:05,694 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 19:19:05,694 INFO L93 Difference]: Finished difference Result 216143 states and 286229 transitions. [2021-11-05 19:19:05,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-05 19:19:05,697 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.5) internal successors, (78), 3 states have internal predecessors, (78), 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 78 [2021-11-05 19:19:05,697 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 19:19:06,214 INFO L225 Difference]: With dead ends: 216143 [2021-11-05 19:19:06,214 INFO L226 Difference]: Without dead ends: 169264 [2021-11-05 19:19:06,303 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 107.18ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-05 19:19:06,304 INFO L933 BasicCegarLoop]: 11785 mSDtfsCounter, 16338 mSDsluCounter, 13545 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 311.83ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 16338 SdHoareTripleChecker+Valid, 25330 SdHoareTripleChecker+Invalid, 67 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 25.69ms SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 330.18ms IncrementalHoareTripleChecker+Time [2021-11-05 19:19:06,304 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [16338 Valid, 25330 Invalid, 67 Unknown, 0 Unchecked, 25.69ms Time], IncrementalHoareTripleChecker [16 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 330.18ms Time] [2021-11-05 19:19:06,462 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 169264 states. [2021-11-05 19:19:08,954 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 169264 to 91172. [2021-11-05 19:19:09,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91172 states, 91156 states have (on average 1.3259906095045855) internal successors, (120872), 91171 states have internal predecessors, (120872), 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) [2021-11-05 19:19:09,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91172 states to 91172 states and 120872 transitions. [2021-11-05 19:19:09,353 INFO L78 Accepts]: Start accepts. Automaton has 91172 states and 120872 transitions. Word has length 78 [2021-11-05 19:19:09,353 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 19:19:09,353 INFO L470 AbstractCegarLoop]: Abstraction has 91172 states and 120872 transitions. [2021-11-05 19:19:09,354 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.5) internal successors, (78), 3 states have internal predecessors, (78), 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) [2021-11-05 19:19:09,354 INFO L276 IsEmpty]: Start isEmpty. Operand 91172 states and 120872 transitions. [2021-11-05 19:19:09,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2021-11-05 19:19:09,356 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 19:19:09,356 INFO L514 BasicCegarLoop]: trace histogram [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] [2021-11-05 19:19:09,357 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-05 19:19:09,357 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2021-11-05 19:19:09,357 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 19:19:09,357 INFO L85 PathProgramCache]: Analyzing trace with hash 1949710532, now seen corresponding path program 1 times [2021-11-05 19:19:09,357 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 19:19:09,358 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [752705554] [2021-11-05 19:19:09,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 19:19:09,358 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 19:19:09,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 19:19:09,774 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-05 19:19:09,774 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 19:19:09,774 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [752705554] [2021-11-05 19:19:09,774 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [752705554] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 19:19:09,774 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 19:19:09,774 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-05 19:19:09,774 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2051296195] [2021-11-05 19:19:09,774 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 19:19:09,775 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-05 19:19:09,775 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 19:19:09,775 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-05 19:19:09,775 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-05 19:19:09,775 INFO L87 Difference]: Start difference. First operand 91172 states and 120872 transitions. Second operand has 5 states, 5 states have (on average 15.6) internal successors, (78), 4 states have internal predecessors, (78), 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) [2021-11-05 19:19:15,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 19:19:15,531 INFO L93 Difference]: Finished difference Result 307374 states and 407145 transitions. [2021-11-05 19:19:15,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-05 19:19:15,531 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.6) internal successors, (78), 4 states have internal predecessors, (78), 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 83 [2021-11-05 19:19:15,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 19:19:16,071 INFO L225 Difference]: With dead ends: 307374 [2021-11-05 19:19:16,071 INFO L226 Difference]: Without dead ends: 216240 [2021-11-05 19:19:16,216 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 270.39ms TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-11-05 19:19:16,216 INFO L933 BasicCegarLoop]: 13123 mSDtfsCounter, 26279 mSDsluCounter, 27971 mSDsCounter, 0 mSdLazyCounter, 117 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 690.10ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 26279 SdHoareTripleChecker+Valid, 41094 SdHoareTripleChecker+Invalid, 151 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 41.40ms SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 117 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 738.17ms IncrementalHoareTripleChecker+Time [2021-11-05 19:19:16,217 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [26279 Valid, 41094 Invalid, 151 Unknown, 0 Unchecked, 41.40ms Time], IncrementalHoareTripleChecker [34 Valid, 117 Invalid, 0 Unknown, 0 Unchecked, 738.17ms Time] [2021-11-05 19:19:16,443 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 216240 states. [2021-11-05 19:19:19,646 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 216240 to 91252. [2021-11-05 19:19:19,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91252 states, 91236 states have (on average 1.325704765662677) internal successors, (120952), 91251 states have internal predecessors, (120952), 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) [2021-11-05 19:19:19,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91252 states to 91252 states and 120952 transitions. [2021-11-05 19:19:19,944 INFO L78 Accepts]: Start accepts. Automaton has 91252 states and 120952 transitions. Word has length 83 [2021-11-05 19:19:19,944 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 19:19:19,944 INFO L470 AbstractCegarLoop]: Abstraction has 91252 states and 120952 transitions. [2021-11-05 19:19:19,945 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.6) internal successors, (78), 4 states have internal predecessors, (78), 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) [2021-11-05 19:19:19,945 INFO L276 IsEmpty]: Start isEmpty. Operand 91252 states and 120952 transitions. [2021-11-05 19:19:19,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2021-11-05 19:19:19,947 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 19:19:19,948 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] [2021-11-05 19:19:19,948 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-05 19:19:19,948 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2021-11-05 19:19:19,948 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 19:19:19,949 INFO L85 PathProgramCache]: Analyzing trace with hash 182111944, now seen corresponding path program 1 times [2021-11-05 19:19:19,949 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 19:19:19,949 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1245075037] [2021-11-05 19:19:19,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 19:19:19,949 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 19:19:20,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 19:19:20,258 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-05 19:19:20,259 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 19:19:20,259 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1245075037] [2021-11-05 19:19:20,259 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1245075037] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 19:19:20,259 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 19:19:20,259 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-05 19:19:20,259 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [47177741] [2021-11-05 19:19:20,259 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 19:19:20,260 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-05 19:19:20,260 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 19:19:20,260 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-05 19:19:20,260 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-05 19:19:20,260 INFO L87 Difference]: Start difference. First operand 91252 states and 120952 transitions. Second operand has 3 states, 3 states have (on average 33.333333333333336) internal successors, (100), 3 states have internal predecessors, (100), 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) [2021-11-05 19:19:24,545 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 19:19:24,545 INFO L93 Difference]: Finished difference Result 239258 states and 317775 transitions. [2021-11-05 19:19:24,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-05 19:19:24,546 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 33.333333333333336) internal successors, (100), 3 states have internal predecessors, (100), 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 100 [2021-11-05 19:19:24,546 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 19:19:24,837 INFO L225 Difference]: With dead ends: 239258 [2021-11-05 19:19:24,837 INFO L226 Difference]: Without dead ends: 148044 [2021-11-05 19:19:24,944 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 24.02ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-05 19:19:24,947 INFO L933 BasicCegarLoop]: 11972 mSDtfsCounter, 5328 mSDsluCounter, 6721 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 423.52ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 5328 SdHoareTripleChecker+Valid, 18693 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 12.59ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 454.72ms IncrementalHoareTripleChecker+Time [2021-11-05 19:19:24,947 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5328 Valid, 18693 Invalid, 53 Unknown, 0 Unchecked, 12.59ms Time], IncrementalHoareTripleChecker [2 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 454.72ms Time] [2021-11-05 19:19:25,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148044 states.