./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-rc-imon.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce681a93-8ec0-45e3-ad08-ded932c69e36/bin/uautomizer-w2VwFs6gM0/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce681a93-8ec0-45e3-ad08-ded932c69e36/bin/uautomizer-w2VwFs6gM0/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce681a93-8ec0-45e3-ad08-ded932c69e36/bin/uautomizer-w2VwFs6gM0/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce681a93-8ec0-45e3-ad08-ded932c69e36/bin/uautomizer-w2VwFs6gM0/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-rc-imon.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce681a93-8ec0-45e3-ad08-ded932c69e36/bin/uautomizer-w2VwFs6gM0/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce681a93-8ec0-45e3-ad08-ded932c69e36/bin/uautomizer-w2VwFs6gM0 --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 22e4387c36ff25592bf6c6537ff8412eacb18bdab6752c222fa8ef2a1ca9dbb8 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-22 15:21:52,803 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-22 15:21:52,805 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-22 15:21:52,868 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-22 15:21:52,869 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-22 15:21:52,873 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-22 15:21:52,876 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-22 15:21:52,880 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-22 15:21:52,883 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-22 15:21:52,889 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-22 15:21:52,890 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-22 15:21:52,892 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-22 15:21:52,893 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-22 15:21:52,896 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-22 15:21:52,898 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-22 15:21:52,903 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-22 15:21:52,905 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-22 15:21:52,906 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-22 15:21:52,909 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-22 15:21:52,917 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-22 15:21:52,919 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-22 15:21:52,921 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-22 15:21:52,924 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-22 15:21:52,925 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-22 15:21:52,934 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-22 15:21:52,935 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-22 15:21:52,935 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-22 15:21:52,937 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-22 15:21:52,938 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-22 15:21:52,940 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-22 15:21:52,941 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-22 15:21:52,942 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-22 15:21:52,944 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-22 15:21:52,946 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-22 15:21:52,948 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-22 15:21:52,948 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-22 15:21:52,949 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-22 15:21:52,949 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-22 15:21:52,950 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-22 15:21:52,951 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-22 15:21:52,952 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-22 15:21:52,953 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce681a93-8ec0-45e3-ad08-ded932c69e36/bin/uautomizer-w2VwFs6gM0/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-22 15:21:53,003 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-22 15:21:53,006 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-22 15:21:53,007 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-22 15:21:53,007 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-22 15:21:53,015 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-22 15:21:53,015 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-22 15:21:53,016 INFO L138 SettingsManager]: * Use SBE=true [2021-11-22 15:21:53,016 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-22 15:21:53,016 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-22 15:21:53,016 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-22 15:21:53,017 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-22 15:21:53,018 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-22 15:21:53,018 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-22 15:21:53,018 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-22 15:21:53,019 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-22 15:21:53,019 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-22 15:21:53,019 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-22 15:21:53,019 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-22 15:21:53,020 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-22 15:21:53,020 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-22 15:21:53,020 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-22 15:21:53,020 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-22 15:21:53,021 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-22 15:21:53,021 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-22 15:21:53,021 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-22 15:21:53,021 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-22 15:21:53,022 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-22 15:21:53,022 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-22 15:21:53,022 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-22 15:21:53,024 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:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce681a93-8ec0-45e3-ad08-ded932c69e36/bin/uautomizer-w2VwFs6gM0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce681a93-8ec0-45e3-ad08-ded932c69e36/bin/uautomizer-w2VwFs6gM0 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 22e4387c36ff25592bf6c6537ff8412eacb18bdab6752c222fa8ef2a1ca9dbb8 [2021-11-22 15:21:53,361 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-22 15:21:53,408 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-22 15:21:53,410 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-22 15:21:53,412 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-22 15:21:53,413 INFO L275 PluginConnector]: CDTParser initialized [2021-11-22 15:21:53,415 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce681a93-8ec0-45e3-ad08-ded932c69e36/bin/uautomizer-w2VwFs6gM0/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-rc-imon.cil.i [2021-11-22 15:21:53,512 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce681a93-8ec0-45e3-ad08-ded932c69e36/bin/uautomizer-w2VwFs6gM0/data/5b70a7f1d/7d8f50b4de4d45b7bdfabcc0c7648e8c/FLAGab46b015a [2021-11-22 15:21:54,653 INFO L306 CDTParser]: Found 1 translation units. [2021-11-22 15:21:54,655 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce681a93-8ec0-45e3-ad08-ded932c69e36/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-rc-imon.cil.i [2021-11-22 15:21:54,707 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce681a93-8ec0-45e3-ad08-ded932c69e36/bin/uautomizer-w2VwFs6gM0/data/5b70a7f1d/7d8f50b4de4d45b7bdfabcc0c7648e8c/FLAGab46b015a [2021-11-22 15:21:54,996 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce681a93-8ec0-45e3-ad08-ded932c69e36/bin/uautomizer-w2VwFs6gM0/data/5b70a7f1d/7d8f50b4de4d45b7bdfabcc0c7648e8c [2021-11-22 15:21:54,999 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-22 15:21:55,001 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-22 15:21:55,003 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-22 15:21:55,003 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-22 15:21:55,008 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-22 15:21:55,009 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 03:21:54" (1/1) ... [2021-11-22 15:21:55,011 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@736657fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:21:55, skipping insertion in model container [2021-11-22 15:21:55,011 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 03:21:54" (1/1) ... [2021-11-22 15:21:55,023 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-22 15:21:55,262 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-22 15:21:57,875 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce681a93-8ec0-45e3-ad08-ded932c69e36/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-rc-imon.cil.i[284136,284149] [2021-11-22 15:21:57,880 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce681a93-8ec0-45e3-ad08-ded932c69e36/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-rc-imon.cil.i[284302,284315] [2021-11-22 15:21:57,881 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce681a93-8ec0-45e3-ad08-ded932c69e36/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-rc-imon.cil.i[284466,284479] [2021-11-22 15:21:57,882 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce681a93-8ec0-45e3-ad08-ded932c69e36/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-rc-imon.cil.i[284631,284644] [2021-11-22 15:21:57,914 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 15:21:58,016 INFO L203 MainTranslator]: Completed pre-run [2021-11-22 15:21:58,484 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce681a93-8ec0-45e3-ad08-ded932c69e36/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-rc-imon.cil.i[284136,284149] [2021-11-22 15:21:58,485 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce681a93-8ec0-45e3-ad08-ded932c69e36/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-rc-imon.cil.i[284302,284315] [2021-11-22 15:21:58,485 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce681a93-8ec0-45e3-ad08-ded932c69e36/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-rc-imon.cil.i[284466,284479] [2021-11-22 15:21:58,486 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce681a93-8ec0-45e3-ad08-ded932c69e36/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-rc-imon.cil.i[284631,284644] [2021-11-22 15:21:58,490 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 15:21:58,660 INFO L208 MainTranslator]: Completed translation [2021-11-22 15:21:58,661 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:21:58 WrapperNode [2021-11-22 15:21:58,661 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-22 15:21:58,662 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-22 15:21:58,662 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-22 15:21:58,662 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-22 15:21:58,671 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:21:58" (1/1) ... [2021-11-22 15:21:58,819 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:21:58" (1/1) ... [2021-11-22 15:21:59,309 INFO L137 Inliner]: procedures = 343, calls = 2811, calls flagged for inlining = 661, calls inlined = 1038, statements flattened = 13225 [2021-11-22 15:21:59,309 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-22 15:21:59,311 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-22 15:21:59,311 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-22 15:21:59,311 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-22 15:21:59,321 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:21:58" (1/1) ... [2021-11-22 15:21:59,322 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:21:58" (1/1) ... [2021-11-22 15:21:59,403 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:21:58" (1/1) ... [2021-11-22 15:21:59,407 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:21:58" (1/1) ... [2021-11-22 15:21:59,741 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:21:58" (1/1) ... [2021-11-22 15:21:59,820 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:21:58" (1/1) ... [2021-11-22 15:21:59,852 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:21:58" (1/1) ... [2021-11-22 15:21:59,912 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-22 15:21:59,915 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-22 15:21:59,915 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-22 15:21:59,915 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-22 15:21:59,916 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:21:58" (1/1) ... [2021-11-22 15:21:59,931 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-22 15:21:59,950 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce681a93-8ec0-45e3-ad08-ded932c69e36/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 15:21:59,967 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce681a93-8ec0-45e3-ad08-ded932c69e36/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-22 15:21:59,984 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce681a93-8ec0-45e3-ad08-ded932c69e36/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-22 15:22:00,024 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2021-11-22 15:22:00,024 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-22 15:22:00,024 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-22 15:22:00,024 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-22 15:22:00,025 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-22 15:22:00,025 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-22 15:22:00,025 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-22 15:22:00,025 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-22 15:22:00,025 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-22 15:22:00,025 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-22 15:22:00,026 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-22 15:22:00,026 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-22 15:22:00,026 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-22 15:22:00,026 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-22 15:22:00,027 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-22 15:22:00,027 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-22 15:22:00,027 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-22 15:22:00,027 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-22 15:22:00,793 INFO L236 CfgBuilder]: Building ICFG [2021-11-22 15:22:00,795 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-22 15:22:45,702 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_1_switch_break#1: ldv_switch_1_#res#1 := 0; [2021-11-22 15:22:45,706 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_0_switch_break#3: ldv_switch_0_#res#1 := 0; [2021-11-22 15:22:45,706 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_0_switch_break#4: ldv_switch_0_#res#1 := 0; [2021-11-22 15:22:45,706 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_0_switch_break#1: ldv_switch_0_#res#1 := 0; [2021-11-22 15:22:45,707 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_0_switch_break#2: ldv_switch_0_#res#1 := 0; [2021-11-22 15:22:45,707 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-11-22 15:22:45,708 INFO L277 CfgBuilder]: Performing block encoding [2021-11-22 15:22:45,759 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-22 15:22:45,759 INFO L301 CfgBuilder]: Removed 32 assume(true) statements. [2021-11-22 15:22:45,767 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 03:22:45 BoogieIcfgContainer [2021-11-22 15:22:45,768 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-22 15:22:45,770 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-22 15:22:45,770 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-22 15:22:45,774 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-22 15:22:45,774 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 03:21:54" (1/3) ... [2021-11-22 15:22:45,775 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a27fa96 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 03:22:45, skipping insertion in model container [2021-11-22 15:22:45,776 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:21:58" (2/3) ... [2021-11-22 15:22:45,776 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a27fa96 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 03:22:45, skipping insertion in model container [2021-11-22 15:22:45,776 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 03:22:45" (3/3) ... [2021-11-22 15:22:45,778 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-rc-imon.cil.i [2021-11-22 15:22:45,790 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-22 15:22:45,791 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 66 error locations. [2021-11-22 15:22:45,881 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-22 15:22:45,900 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 [2021-11-22 15:22:45,900 INFO L340 AbstractCegarLoop]: Starting to check reachability of 66 error locations. [2021-11-22 15:22:45,982 INFO L276 IsEmpty]: Start isEmpty. Operand has 2468 states, 2402 states have (on average 1.3680266444629476) internal successors, (3286), 2467 states have internal predecessors, (3286), 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) [2021-11-22 15:22:45,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2021-11-22 15:22:45,997 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 15:22:45,997 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] [2021-11-22 15:22:45,998 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 63 more)] === [2021-11-22 15:22:46,004 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:22:46,004 INFO L85 PathProgramCache]: Analyzing trace with hash 468213561, now seen corresponding path program 1 times [2021-11-22 15:22:46,016 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 15:22:46,016 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [684372272] [2021-11-22 15:22:46,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:22:46,018 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 15:22:46,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:22:46,902 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 15:22:46,903 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 15:22:46,903 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [684372272] [2021-11-22 15:22:46,904 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [684372272] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 15:22:46,904 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 15:22:46,904 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-22 15:22:46,906 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [835624768] [2021-11-22 15:22:46,907 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 15:22:46,911 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-22 15:22:46,912 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 15:22:46,941 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-22 15:22:46,942 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 15:22:46,950 INFO L87 Difference]: Start difference. First operand has 2468 states, 2402 states have (on average 1.3680266444629476) internal successors, (3286), 2467 states have internal predecessors, (3286), 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 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 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) [2021-11-22 15:22:47,419 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 15:22:47,420 INFO L93 Difference]: Finished difference Result 6418 states and 8530 transitions. [2021-11-22 15:22:47,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 15:22:47,423 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 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 73 [2021-11-22 15:22:47,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 15:22:47,473 INFO L225 Difference]: With dead ends: 6418 [2021-11-22 15:22:47,474 INFO L226 Difference]: Without dead ends: 3861 [2021-11-22 15:22:47,488 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 [2021-11-22 15:22:47,496 INFO L933 BasicCegarLoop]: 2931 mSDtfsCounter, 2326 mSDsluCounter, 2897 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2326 SdHoareTripleChecker+Valid, 5828 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-22 15:22:47,499 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2326 Valid, 5828 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-22 15:22:47,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3861 states. [2021-11-22 15:22:47,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3861 to 3689. [2021-11-22 15:22:47,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3689 states, 3623 states have (on average 1.2693900082804306) internal successors, (4599), 3688 states have internal predecessors, (4599), 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) [2021-11-22 15:22:47,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3689 states to 3689 states and 4599 transitions. [2021-11-22 15:22:47,755 INFO L78 Accepts]: Start accepts. Automaton has 3689 states and 4599 transitions. Word has length 73 [2021-11-22 15:22:47,757 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 15:22:47,758 INFO L470 AbstractCegarLoop]: Abstraction has 3689 states and 4599 transitions. [2021-11-22 15:22:47,758 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 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) [2021-11-22 15:22:47,760 INFO L276 IsEmpty]: Start isEmpty. Operand 3689 states and 4599 transitions. [2021-11-22 15:22:47,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2021-11-22 15:22:47,772 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 15:22:47,773 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] [2021-11-22 15:22:47,773 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-22 15:22:47,774 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 63 more)] === [2021-11-22 15:22:47,775 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:22:47,776 INFO L85 PathProgramCache]: Analyzing trace with hash 1482823349, now seen corresponding path program 1 times [2021-11-22 15:22:47,776 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 15:22:47,777 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [829703261] [2021-11-22 15:22:47,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:22:47,777 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 15:22:47,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:22:48,158 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 15:22:48,158 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 15:22:48,159 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [829703261] [2021-11-22 15:22:48,163 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [829703261] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 15:22:48,164 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 15:22:48,165 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-22 15:22:48,165 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1010185235] [2021-11-22 15:22:48,166 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 15:22:48,168 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-22 15:22:48,169 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 15:22:48,169 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-22 15:22:48,170 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 15:22:48,171 INFO L87 Difference]: Start difference. First operand 3689 states and 4599 transitions. Second operand has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 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) [2021-11-22 15:22:48,664 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 15:22:48,666 INFO L93 Difference]: Finished difference Result 10097 states and 12639 transitions. [2021-11-22 15:22:48,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 15:22:48,667 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 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 74 [2021-11-22 15:22:48,668 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 15:22:48,712 INFO L225 Difference]: With dead ends: 10097 [2021-11-22 15:22:48,713 INFO L226 Difference]: Without dead ends: 6565 [2021-11-22 15:22:48,726 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 [2021-11-22 15:22:48,728 INFO L933 BasicCegarLoop]: 2916 mSDtfsCounter, 2009 mSDsluCounter, 2568 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2009 SdHoareTripleChecker+Valid, 5484 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-22 15:22:48,730 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2009 Valid, 5484 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-22 15:22:48,757 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6565 states. [2021-11-22 15:22:48,995 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6565 to 6395. [2021-11-22 15:22:49,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6395 states, 6329 states have (on average 1.2750829514931268) internal successors, (8070), 6394 states have internal predecessors, (8070), 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) [2021-11-22 15:22:49,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6395 states to 6395 states and 8070 transitions. [2021-11-22 15:22:49,037 INFO L78 Accepts]: Start accepts. Automaton has 6395 states and 8070 transitions. Word has length 74 [2021-11-22 15:22:49,039 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 15:22:49,039 INFO L470 AbstractCegarLoop]: Abstraction has 6395 states and 8070 transitions. [2021-11-22 15:22:49,039 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 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) [2021-11-22 15:22:49,040 INFO L276 IsEmpty]: Start isEmpty. Operand 6395 states and 8070 transitions. [2021-11-22 15:22:49,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2021-11-22 15:22:49,041 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 15:22:49,042 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] [2021-11-22 15:22:49,042 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-22 15:22:49,042 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 63 more)] === [2021-11-22 15:22:49,043 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:22:49,043 INFO L85 PathProgramCache]: Analyzing trace with hash -1085608178, now seen corresponding path program 1 times [2021-11-22 15:22:49,043 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 15:22:49,043 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [991412304] [2021-11-22 15:22:49,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:22:49,044 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 15:22:49,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:22:49,301 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 15:22:49,302 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 15:22:49,302 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [991412304] [2021-11-22 15:22:49,302 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [991412304] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 15:22:49,302 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 15:22:49,303 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-22 15:22:49,303 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1289254929] [2021-11-22 15:22:49,303 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 15:22:49,304 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-22 15:22:49,304 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 15:22:49,304 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-22 15:22:49,305 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 15:22:49,305 INFO L87 Difference]: Start difference. First operand 6395 states and 8070 transitions. Second operand has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 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) [2021-11-22 15:22:49,749 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 15:22:49,749 INFO L93 Difference]: Finished difference Result 13882 states and 17530 transitions. [2021-11-22 15:22:49,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 15:22:49,750 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 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 79 [2021-11-22 15:22:49,751 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 15:22:49,803 INFO L225 Difference]: With dead ends: 13882 [2021-11-22 15:22:49,804 INFO L226 Difference]: Without dead ends: 7644 [2021-11-22 15:22:49,816 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 [2021-11-22 15:22:49,822 INFO L933 BasicCegarLoop]: 2603 mSDtfsCounter, 1571 mSDsluCounter, 2559 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1571 SdHoareTripleChecker+Valid, 5162 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-22 15:22:49,825 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1571 Valid, 5162 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-22 15:22:49,840 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7644 states. [2021-11-22 15:22:50,207 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7644 to 7586. [2021-11-22 15:22:50,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7586 states, 7520 states have (on average 1.2763297872340424) internal successors, (9598), 7585 states have internal predecessors, (9598), 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) [2021-11-22 15:22:50,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7586 states to 7586 states and 9598 transitions. [2021-11-22 15:22:50,259 INFO L78 Accepts]: Start accepts. Automaton has 7586 states and 9598 transitions. Word has length 79 [2021-11-22 15:22:50,261 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 15:22:50,261 INFO L470 AbstractCegarLoop]: Abstraction has 7586 states and 9598 transitions. [2021-11-22 15:22:50,261 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 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) [2021-11-22 15:22:50,262 INFO L276 IsEmpty]: Start isEmpty. Operand 7586 states and 9598 transitions. [2021-11-22 15:22:50,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2021-11-22 15:22:50,265 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 15:22:50,265 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] [2021-11-22 15:22:50,266 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-22 15:22:50,266 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr49ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 63 more)] === [2021-11-22 15:22:50,267 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:22:50,267 INFO L85 PathProgramCache]: Analyzing trace with hash -527606899, now seen corresponding path program 1 times [2021-11-22 15:22:50,268 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 15:22:50,268 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [631820356] [2021-11-22 15:22:50,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:22:50,268 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 15:22:50,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:22:50,571 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 15:22:50,572 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 15:22:50,572 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [631820356] [2021-11-22 15:22:50,572 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [631820356] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 15:22:50,572 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 15:22:50,573 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-22 15:22:50,573 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [753098631] [2021-11-22 15:22:50,573 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 15:22:50,575 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-22 15:22:50,575 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 15:22:50,576 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-22 15:22:50,576 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 15:22:50,576 INFO L87 Difference]: Start difference. First operand 7586 states and 9598 transitions. Second operand has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 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) [2021-11-22 15:22:51,059 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 15:22:51,060 INFO L93 Difference]: Finished difference Result 18415 states and 23355 transitions. [2021-11-22 15:22:51,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 15:22:51,061 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 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 79 [2021-11-22 15:22:51,062 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 15:22:51,147 INFO L225 Difference]: With dead ends: 18415 [2021-11-22 15:22:51,147 INFO L226 Difference]: Without dead ends: 10986 [2021-11-22 15:22:51,163 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 [2021-11-22 15:22:51,166 INFO L933 BasicCegarLoop]: 2599 mSDtfsCounter, 1383 mSDsluCounter, 2569 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1383 SdHoareTripleChecker+Valid, 5168 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-22 15:22:51,167 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1383 Valid, 5168 Invalid, 64 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-22 15:22:51,187 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10986 states. [2021-11-22 15:22:51,604 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10986 to 10804. [2021-11-22 15:22:51,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10804 states, 10738 states have (on average 1.2789159992549823) internal successors, (13733), 10803 states have internal predecessors, (13733), 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) [2021-11-22 15:22:51,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10804 states to 10804 states and 13733 transitions. [2021-11-22 15:22:51,684 INFO L78 Accepts]: Start accepts. Automaton has 10804 states and 13733 transitions. Word has length 79 [2021-11-22 15:22:51,685 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 15:22:51,686 INFO L470 AbstractCegarLoop]: Abstraction has 10804 states and 13733 transitions. [2021-11-22 15:22:51,687 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 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) [2021-11-22 15:22:51,687 INFO L276 IsEmpty]: Start isEmpty. Operand 10804 states and 13733 transitions. [2021-11-22 15:22:51,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2021-11-22 15:22:51,689 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 15:22:51,689 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] [2021-11-22 15:22:51,689 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-22 15:22:51,691 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 63 more)] === [2021-11-22 15:22:51,691 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:22:51,692 INFO L85 PathProgramCache]: Analyzing trace with hash 1791437595, now seen corresponding path program 1 times [2021-11-22 15:22:51,692 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 15:22:51,692 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1721968360] [2021-11-22 15:22:51,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:22:51,693 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 15:22:51,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:22:51,984 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 15:22:51,985 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 15:22:51,985 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1721968360] [2021-11-22 15:22:51,985 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1721968360] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 15:22:51,985 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 15:22:51,986 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-22 15:22:51,986 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [534391720] [2021-11-22 15:22:51,986 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 15:22:51,988 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-22 15:22:51,993 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 15:22:51,993 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-22 15:22:51,993 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 15:22:51,994 INFO L87 Difference]: Start difference. First operand 10804 states and 13733 transitions. Second operand has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 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) [2021-11-22 15:22:52,685 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 15:22:52,686 INFO L93 Difference]: Finished difference Result 29111 states and 37048 transitions. [2021-11-22 15:22:52,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 15:22:52,686 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 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 80 [2021-11-22 15:22:52,687 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 15:22:52,742 INFO L225 Difference]: With dead ends: 29111 [2021-11-22 15:22:52,742 INFO L226 Difference]: Without dead ends: 18464 [2021-11-22 15:22:52,765 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 [2021-11-22 15:22:52,768 INFO L933 BasicCegarLoop]: 2605 mSDtfsCounter, 2239 mSDsluCounter, 2581 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2239 SdHoareTripleChecker+Valid, 5186 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-22 15:22:52,769 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2239 Valid, 5186 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-22 15:22:52,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18464 states. [2021-11-22 15:22:53,331 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18464 to 18242. [2021-11-22 15:22:53,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18242 states, 18176 states have (on average 1.2800946302816902) internal successors, (23267), 18241 states have internal predecessors, (23267), 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) [2021-11-22 15:22:53,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18242 states to 18242 states and 23267 transitions. [2021-11-22 15:22:53,402 INFO L78 Accepts]: Start accepts. Automaton has 18242 states and 23267 transitions. Word has length 80 [2021-11-22 15:22:53,403 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 15:22:53,403 INFO L470 AbstractCegarLoop]: Abstraction has 18242 states and 23267 transitions. [2021-11-22 15:22:53,403 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 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) [2021-11-22 15:22:53,403 INFO L276 IsEmpty]: Start isEmpty. Operand 18242 states and 23267 transitions. [2021-11-22 15:22:53,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2021-11-22 15:22:53,411 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 15:22:53,411 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] [2021-11-22 15:22:53,411 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-22 15:22:53,411 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr43ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 63 more)] === [2021-11-22 15:22:53,412 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:22:53,412 INFO L85 PathProgramCache]: Analyzing trace with hash -116123855, now seen corresponding path program 1 times [2021-11-22 15:22:53,412 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 15:22:53,413 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [883547117] [2021-11-22 15:22:53,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:22:53,413 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 15:22:53,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:22:53,654 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 15:22:53,654 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 15:22:53,654 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [883547117] [2021-11-22 15:22:53,655 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [883547117] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 15:22:53,655 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 15:22:53,655 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-22 15:22:53,655 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [30309929] [2021-11-22 15:22:53,655 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 15:22:53,656 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-22 15:22:53,656 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 15:22:53,657 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-22 15:22:53,657 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 15:22:53,657 INFO L87 Difference]: Start difference. First operand 18242 states and 23267 transitions. Second operand has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 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) [2021-11-22 15:22:54,585 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 15:22:54,586 INFO L93 Difference]: Finished difference Result 50253 states and 64032 transitions. [2021-11-22 15:22:54,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 15:22:54,586 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 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 81 [2021-11-22 15:22:54,587 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 15:22:54,691 INFO L225 Difference]: With dead ends: 50253 [2021-11-22 15:22:54,691 INFO L226 Difference]: Without dead ends: 32168 [2021-11-22 15:22:54,730 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 [2021-11-22 15:22:54,732 INFO L933 BasicCegarLoop]: 2788 mSDtfsCounter, 2205 mSDsluCounter, 2582 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2205 SdHoareTripleChecker+Valid, 5370 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-22 15:22:54,732 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2205 Valid, 5370 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-22 15:22:54,787 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32168 states. [2021-11-22 15:22:55,856 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32168 to 31930. [2021-11-22 15:22:55,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31930 states, 31864 states have (on average 1.2760795882500628) internal successors, (40661), 31929 states have internal predecessors, (40661), 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) [2021-11-22 15:22:55,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31930 states to 31930 states and 40661 transitions. [2021-11-22 15:22:55,970 INFO L78 Accepts]: Start accepts. Automaton has 31930 states and 40661 transitions. Word has length 81 [2021-11-22 15:22:55,970 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 15:22:55,971 INFO L470 AbstractCegarLoop]: Abstraction has 31930 states and 40661 transitions. [2021-11-22 15:22:55,971 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 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) [2021-11-22 15:22:55,971 INFO L276 IsEmpty]: Start isEmpty. Operand 31930 states and 40661 transitions. [2021-11-22 15:22:55,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2021-11-22 15:22:55,973 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 15:22:55,973 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] [2021-11-22 15:22:55,973 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-22 15:22:55,974 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr49ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 63 more)] === [2021-11-22 15:22:55,974 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:22:55,974 INFO L85 PathProgramCache]: Analyzing trace with hash -1340600922, now seen corresponding path program 1 times [2021-11-22 15:22:55,974 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 15:22:55,975 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1951040443] [2021-11-22 15:22:55,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:22:55,975 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 15:22:56,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:22:56,186 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 15:22:56,187 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 15:22:56,187 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1951040443] [2021-11-22 15:22:56,187 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1951040443] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 15:22:56,187 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 15:22:56,188 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-22 15:22:56,188 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [197494074] [2021-11-22 15:22:56,188 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 15:22:56,189 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-22 15:22:56,189 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 15:22:56,189 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-22 15:22:56,190 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 15:22:56,190 INFO L87 Difference]: Start difference. First operand 31930 states and 40661 transitions. Second operand has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 3 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) [2021-11-22 15:22:57,816 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 15:22:57,816 INFO L93 Difference]: Finished difference Result 93307 states and 118970 transitions. [2021-11-22 15:22:57,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 15:22:57,817 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 3 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 98 [2021-11-22 15:22:57,818 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 15:22:57,965 INFO L225 Difference]: With dead ends: 93307 [2021-11-22 15:22:57,965 INFO L226 Difference]: Without dead ends: 61534 [2021-11-22 15:22:58,033 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 [2021-11-22 15:22:58,035 INFO L933 BasicCegarLoop]: 3641 mSDtfsCounter, 2406 mSDsluCounter, 2545 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2406 SdHoareTripleChecker+Valid, 6186 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-22 15:22:58,036 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2406 Valid, 6186 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-22 15:22:58,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61534 states. [2021-11-22 15:22:59,581 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61534 to 61270. [2021-11-22 15:22:59,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61270 states, 61204 states have (on average 1.27726945951245) internal successors, (78174), 61269 states have internal predecessors, (78174), 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) [2021-11-22 15:23:00,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61270 states to 61270 states and 78174 transitions. [2021-11-22 15:23:00,004 INFO L78 Accepts]: Start accepts. Automaton has 61270 states and 78174 transitions. Word has length 98 [2021-11-22 15:23:00,004 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 15:23:00,004 INFO L470 AbstractCegarLoop]: Abstraction has 61270 states and 78174 transitions. [2021-11-22 15:23:00,004 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 3 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) [2021-11-22 15:23:00,005 INFO L276 IsEmpty]: Start isEmpty. Operand 61270 states and 78174 transitions. [2021-11-22 15:23:00,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2021-11-22 15:23:00,007 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 15:23:00,007 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 15:23:00,008 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-22 15:23:00,008 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 63 more)] === [2021-11-22 15:23:00,009 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:23:00,009 INFO L85 PathProgramCache]: Analyzing trace with hash 907122973, now seen corresponding path program 1 times [2021-11-22 15:23:00,009 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 15:23:00,010 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [947366738] [2021-11-22 15:23:00,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:23:00,010 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 15:23:00,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:23:00,262 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 15:23:00,263 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 15:23:00,263 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [947366738] [2021-11-22 15:23:00,263 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [947366738] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 15:23:00,263 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 15:23:00,264 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-22 15:23:00,264 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1100328702] [2021-11-22 15:23:00,264 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 15:23:00,265 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-22 15:23:00,265 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 15:23:00,265 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-22 15:23:00,265 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 15:23:00,266 INFO L87 Difference]: Start difference. First operand 61270 states and 78174 transitions. Second operand has 3 states, 3 states have (on average 37.333333333333336) internal successors, (112), 3 states have internal predecessors, (112), 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) [2021-11-22 15:23:03,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 15:23:03,445 INFO L93 Difference]: Finished difference Result 180982 states and 231317 transitions. [2021-11-22 15:23:03,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 15:23:03,446 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 37.333333333333336) internal successors, (112), 3 states have internal predecessors, (112), 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 112 [2021-11-22 15:23:03,446 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 15:23:04,015 INFO L225 Difference]: With dead ends: 180982 [2021-11-22 15:23:04,016 INFO L226 Difference]: Without dead ends: 119964 [2021-11-22 15:23:04,136 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 [2021-11-22 15:23:04,138 INFO L933 BasicCegarLoop]: 3839 mSDtfsCounter, 2280 mSDsluCounter, 2580 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2280 SdHoareTripleChecker+Valid, 6419 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-22 15:23:04,139 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2280 Valid, 6419 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-22 15:23:04,287 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119964 states. [2021-11-22 15:23:07,420 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119964 to 119862. [2021-11-22 15:23:07,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 119862 states, 119796 states have (on average 1.2765534742395406) internal successors, (152926), 119861 states have internal predecessors, (152926), 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) [2021-11-22 15:23:07,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119862 states to 119862 states and 152926 transitions. [2021-11-22 15:23:07,931 INFO L78 Accepts]: Start accepts. Automaton has 119862 states and 152926 transitions. Word has length 112 [2021-11-22 15:23:07,931 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 15:23:07,932 INFO L470 AbstractCegarLoop]: Abstraction has 119862 states and 152926 transitions. [2021-11-22 15:23:07,932 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 37.333333333333336) internal successors, (112), 3 states have internal predecessors, (112), 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) [2021-11-22 15:23:07,932 INFO L276 IsEmpty]: Start isEmpty. Operand 119862 states and 152926 transitions. [2021-11-22 15:23:07,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2021-11-22 15:23:07,935 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 15:23:07,936 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 15:23:07,936 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-22 15:23:07,936 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 63 more)] === [2021-11-22 15:23:07,937 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:23:07,937 INFO L85 PathProgramCache]: Analyzing trace with hash -781820769, now seen corresponding path program 1 times [2021-11-22 15:23:07,937 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 15:23:07,938 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [720959520] [2021-11-22 15:23:07,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:23:07,938 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 15:23:08,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:23:08,595 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-22 15:23:08,595 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 15:23:08,595 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [720959520] [2021-11-22 15:23:08,595 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [720959520] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 15:23:08,596 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 15:23:08,596 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-22 15:23:08,596 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [664931762] [2021-11-22 15:23:08,596 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 15:23:08,597 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-22 15:23:08,597 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 15:23:08,598 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-22 15:23:08,598 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-22 15:23:08,598 INFO L87 Difference]: Start difference. First operand 119862 states and 152926 transitions. Second operand has 4 states, 4 states have (on average 25.25) internal successors, (101), 4 states have internal predecessors, (101), 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) [2021-11-22 15:23:11,716 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 15:23:11,717 INFO L93 Difference]: Finished difference Result 119862 states and 152926 transitions. [2021-11-22 15:23:11,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-22 15:23:11,717 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 25.25) internal successors, (101), 4 states have internal predecessors, (101), 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 112 [2021-11-22 15:23:11,718 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 15:23:11,972 INFO L225 Difference]: With dead ends: 119862 [2021-11-22 15:23:11,972 INFO L226 Difference]: Without dead ends: 119856 [2021-11-22 15:23:12,006 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-22 15:23:12,007 INFO L933 BasicCegarLoop]: 2595 mSDtfsCounter, 1645 mSDsluCounter, 3411 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1645 SdHoareTripleChecker+Valid, 6006 SdHoareTripleChecker+Invalid, 71 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-22 15:23:12,007 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1645 Valid, 6006 Invalid, 71 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-22 15:23:12,142 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119856 states. [2021-11-22 15:23:15,267 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119856 to 119856. [2021-11-22 15:23:15,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 119856 states, 119793 states have (on average 1.2765353568238544) internal successors, (152920), 119855 states have internal predecessors, (152920), 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) [2021-11-22 15:23:15,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119856 states to 119856 states and 152920 transitions. [2021-11-22 15:23:15,683 INFO L78 Accepts]: Start accepts. Automaton has 119856 states and 152920 transitions. Word has length 112 [2021-11-22 15:23:15,684 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 15:23:15,684 INFO L470 AbstractCegarLoop]: Abstraction has 119856 states and 152920 transitions. [2021-11-22 15:23:15,684 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 25.25) internal successors, (101), 4 states have internal predecessors, (101), 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) [2021-11-22 15:23:15,684 INFO L276 IsEmpty]: Start isEmpty. Operand 119856 states and 152920 transitions. [2021-11-22 15:23:15,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-11-22 15:23:15,687 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 15:23:15,687 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 15:23:15,687 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-11-22 15:23:15,688 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 63 more)] === [2021-11-22 15:23:15,688 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:23:15,688 INFO L85 PathProgramCache]: Analyzing trace with hash 289671106, now seen corresponding path program 1 times [2021-11-22 15:23:15,689 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 15:23:15,689 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1986244628] [2021-11-22 15:23:15,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:23:15,689 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 15:23:15,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:23:16,012 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-22 15:23:16,013 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 15:23:16,013 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1986244628] [2021-11-22 15:23:16,013 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1986244628] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 15:23:16,014 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 15:23:16,014 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-22 15:23:16,014 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [779985518] [2021-11-22 15:23:16,014 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 15:23:16,015 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-22 15:23:16,015 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 15:23:16,016 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-22 15:23:16,016 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-22 15:23:16,016 INFO L87 Difference]: Start difference. First operand 119856 states and 152920 transitions. Second operand has 4 states, 4 states have (on average 25.75) internal successors, (103), 4 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) [2021-11-22 15:23:19,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 15:23:19,719 INFO L93 Difference]: Finished difference Result 119856 states and 152920 transitions. [2021-11-22 15:23:19,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-22 15:23:19,720 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 25.75) internal successors, (103), 4 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 114 [2021-11-22 15:23:19,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 15:23:19,989 INFO L225 Difference]: With dead ends: 119856 [2021-11-22 15:23:19,989 INFO L226 Difference]: Without dead ends: 119850 [2021-11-22 15:23:20,019 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-22 15:23:20,020 INFO L933 BasicCegarLoop]: 2594 mSDtfsCounter, 2500 mSDsluCounter, 2564 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2500 SdHoareTripleChecker+Valid, 5158 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-22 15:23:20,021 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2500 Valid, 5158 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-22 15:23:20,147 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119850 states. [2021-11-22 15:23:23,636 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119850 to 119850. [2021-11-22 15:23:23,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 119850 states, 119790 states have (on average 1.2765172385007095) internal successors, (152914), 119849 states have internal predecessors, (152914), 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) [2021-11-22 15:23:24,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119850 states to 119850 states and 152914 transitions. [2021-11-22 15:23:24,354 INFO L78 Accepts]: Start accepts. Automaton has 119850 states and 152914 transitions. Word has length 114 [2021-11-22 15:23:24,354 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 15:23:24,355 INFO L470 AbstractCegarLoop]: Abstraction has 119850 states and 152914 transitions. [2021-11-22 15:23:24,355 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 25.75) internal successors, (103), 4 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) [2021-11-22 15:23:24,355 INFO L276 IsEmpty]: Start isEmpty. Operand 119850 states and 152914 transitions. [2021-11-22 15:23:24,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2021-11-22 15:23:24,359 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 15:23:24,359 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 15:23:24,359 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-11-22 15:23:24,359 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 63 more)] === [2021-11-22 15:23:24,360 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:23:24,360 INFO L85 PathProgramCache]: Analyzing trace with hash -798787739, now seen corresponding path program 1 times [2021-11-22 15:23:24,360 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 15:23:24,360 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2112202555] [2021-11-22 15:23:24,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:23:24,361 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 15:23:24,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:23:24,770 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-22 15:23:24,771 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 15:23:24,771 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2112202555] [2021-11-22 15:23:24,771 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2112202555] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 15:23:24,771 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 15:23:24,772 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-22 15:23:24,772 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1750676978] [2021-11-22 15:23:24,772 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 15:23:24,773 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-22 15:23:24,773 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 15:23:24,774 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-22 15:23:24,774 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-22 15:23:24,775 INFO L87 Difference]: Start difference. First operand 119850 states and 152914 transitions. Second operand has 4 states, 4 states have (on average 26.25) internal successors, (105), 4 states have internal predecessors, (105), 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) [2021-11-22 15:23:28,348 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 15:23:28,349 INFO L93 Difference]: Finished difference Result 119850 states and 152914 transitions. [2021-11-22 15:23:28,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-22 15:23:28,349 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 26.25) internal successors, (105), 4 states have internal predecessors, (105), 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 116 [2021-11-22 15:23:28,349 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 15:23:28,615 INFO L225 Difference]: With dead ends: 119850 [2021-11-22 15:23:28,616 INFO L226 Difference]: Without dead ends: 119844 [2021-11-22 15:23:28,642 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-22 15:23:28,643 INFO L933 BasicCegarLoop]: 2588 mSDtfsCounter, 2492 mSDsluCounter, 2561 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2492 SdHoareTripleChecker+Valid, 5149 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-22 15:23:28,643 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2492 Valid, 5149 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-22 15:23:28,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119844 states. [2021-11-22 15:23:32,486 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119844 to 119844. [2021-11-22 15:23:32,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 119844 states, 119787 states have (on average 1.2764991192700377) internal successors, (152908), 119843 states have internal predecessors, (152908), 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) [2021-11-22 15:23:32,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119844 states to 119844 states and 152908 transitions. [2021-11-22 15:23:32,837 INFO L78 Accepts]: Start accepts. Automaton has 119844 states and 152908 transitions. Word has length 116 [2021-11-22 15:23:32,837 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 15:23:32,837 INFO L470 AbstractCegarLoop]: Abstraction has 119844 states and 152908 transitions. [2021-11-22 15:23:32,837 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 26.25) internal successors, (105), 4 states have internal predecessors, (105), 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) [2021-11-22 15:23:32,837 INFO L276 IsEmpty]: Start isEmpty. Operand 119844 states and 152908 transitions. [2021-11-22 15:23:32,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2021-11-22 15:23:32,841 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 15:23:32,841 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 15:23:32,841 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-11-22 15:23:32,842 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 63 more)] === [2021-11-22 15:23:32,842 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:23:32,842 INFO L85 PathProgramCache]: Analyzing trace with hash 1164282760, now seen corresponding path program 1 times [2021-11-22 15:23:32,842 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 15:23:32,843 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [983127714] [2021-11-22 15:23:32,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:23:32,843 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 15:23:32,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:23:33,110 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-22 15:23:33,110 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 15:23:33,111 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [983127714] [2021-11-22 15:23:33,111 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [983127714] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 15:23:33,111 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 15:23:33,111 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-22 15:23:33,112 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [954162747] [2021-11-22 15:23:33,112 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 15:23:33,112 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-22 15:23:33,112 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 15:23:33,113 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-22 15:23:33,113 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-22 15:23:33,113 INFO L87 Difference]: Start difference. First operand 119844 states and 152908 transitions. Second operand has 4 states, 4 states have (on average 26.75) internal successors, (107), 4 states have internal predecessors, (107), 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)