./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--misc--sgi-xp--xpc.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5e519f3a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9317416-3cff-41af-897c-dffc99b453b5/bin/uautomizer-Dbtcem3rbc/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9317416-3cff-41af-897c-dffc99b453b5/bin/uautomizer-Dbtcem3rbc/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9317416-3cff-41af-897c-dffc99b453b5/bin/uautomizer-Dbtcem3rbc/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9317416-3cff-41af-897c-dffc99b453b5/bin/uautomizer-Dbtcem3rbc/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--misc--sgi-xp--xpc.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9317416-3cff-41af-897c-dffc99b453b5/bin/uautomizer-Dbtcem3rbc/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9317416-3cff-41af-897c-dffc99b453b5/bin/uautomizer-Dbtcem3rbc --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 34bfb407ab3285beb6e4618a31251a3cfac86b629af8c3915889881b8af28c9e --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-5e519f3 [2022-11-02 20:37:03,762 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-02 20:37:03,765 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-02 20:37:03,818 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-02 20:37:03,819 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-02 20:37:03,824 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-02 20:37:03,827 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-02 20:37:03,834 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-02 20:37:03,837 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-02 20:37:03,841 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-02 20:37:03,842 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-02 20:37:03,845 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-02 20:37:03,845 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-02 20:37:03,854 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-02 20:37:03,857 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-02 20:37:03,860 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-02 20:37:03,863 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-02 20:37:03,864 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-02 20:37:03,866 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-02 20:37:03,868 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-02 20:37:03,872 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-02 20:37:03,874 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-02 20:37:03,876 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-02 20:37:03,879 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-02 20:37:03,886 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-02 20:37:03,889 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-02 20:37:03,890 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-02 20:37:03,891 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-02 20:37:03,893 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-02 20:37:03,894 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-02 20:37:03,895 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-02 20:37:03,896 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-02 20:37:03,897 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-02 20:37:03,898 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-02 20:37:03,899 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-02 20:37:03,900 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-02 20:37:03,901 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-02 20:37:03,901 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-02 20:37:03,901 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-02 20:37:03,902 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-02 20:37:03,903 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-02 20:37:03,904 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9317416-3cff-41af-897c-dffc99b453b5/bin/uautomizer-Dbtcem3rbc/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-02 20:37:03,934 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-02 20:37:03,935 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-02 20:37:03,935 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-02 20:37:03,936 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-02 20:37:03,936 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-02 20:37:03,937 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-02 20:37:03,937 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-02 20:37:03,938 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-02 20:37:03,938 INFO L138 SettingsManager]: * Use SBE=true [2022-11-02 20:37:03,938 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-02 20:37:03,939 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-02 20:37:03,939 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-02 20:37:03,939 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-02 20:37:03,940 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-02 20:37:03,940 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-02 20:37:03,940 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-02 20:37:03,940 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-02 20:37:03,941 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-02 20:37:03,941 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-02 20:37:03,941 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-02 20:37:03,941 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-02 20:37:03,942 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 20:37:03,942 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-02 20:37:03,942 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-02 20:37:03,943 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-02 20:37:03,943 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-02 20:37:03,943 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-02 20:37:03,943 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-02 20:37:03,944 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-02 20:37:03,944 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-02 20:37:03,944 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_b9317416-3cff-41af-897c-dffc99b453b5/bin/uautomizer-Dbtcem3rbc/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9317416-3cff-41af-897c-dffc99b453b5/bin/uautomizer-Dbtcem3rbc Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 34bfb407ab3285beb6e4618a31251a3cfac86b629af8c3915889881b8af28c9e [2022-11-02 20:37:04,260 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-02 20:37:04,296 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-02 20:37:04,301 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-02 20:37:04,305 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-02 20:37:04,306 INFO L275 PluginConnector]: CDTParser initialized [2022-11-02 20:37:04,308 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9317416-3cff-41af-897c-dffc99b453b5/bin/uautomizer-Dbtcem3rbc/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--misc--sgi-xp--xpc.ko-entry_point.cil.out.i [2022-11-02 20:37:04,390 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9317416-3cff-41af-897c-dffc99b453b5/bin/uautomizer-Dbtcem3rbc/data/13cb8f13f/2eb38489b50247f192efe82fae3e8abf/FLAG35c0d263a [2022-11-02 20:37:05,400 INFO L306 CDTParser]: Found 1 translation units. [2022-11-02 20:37:05,401 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9317416-3cff-41af-897c-dffc99b453b5/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--misc--sgi-xp--xpc.ko-entry_point.cil.out.i [2022-11-02 20:37:05,461 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9317416-3cff-41af-897c-dffc99b453b5/bin/uautomizer-Dbtcem3rbc/data/13cb8f13f/2eb38489b50247f192efe82fae3e8abf/FLAG35c0d263a [2022-11-02 20:37:05,772 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9317416-3cff-41af-897c-dffc99b453b5/bin/uautomizer-Dbtcem3rbc/data/13cb8f13f/2eb38489b50247f192efe82fae3e8abf [2022-11-02 20:37:05,775 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-02 20:37:05,777 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-02 20:37:05,778 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-02 20:37:05,778 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-02 20:37:05,783 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-02 20:37:05,783 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:37:05" (1/1) ... [2022-11-02 20:37:05,785 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@350f2f61 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:37:05, skipping insertion in model container [2022-11-02 20:37:05,785 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:37:05" (1/1) ... [2022-11-02 20:37:05,793 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-02 20:37:05,943 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-02 20:37:08,859 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_b9317416-3cff-41af-897c-dffc99b453b5/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--misc--sgi-xp--xpc.ko-entry_point.cil.out.i[342209,342222] [2022-11-02 20:37:08,921 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:37:08,985 INFO L203 MainTranslator]: Completed pre-run [2022-11-02 20:37:09,488 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_b9317416-3cff-41af-897c-dffc99b453b5/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--misc--sgi-xp--xpc.ko-entry_point.cil.out.i[342209,342222] [2022-11-02 20:37:09,502 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:37:09,660 INFO L208 MainTranslator]: Completed translation [2022-11-02 20:37:09,660 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:37:09 WrapperNode [2022-11-02 20:37:09,662 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-02 20:37:09,664 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-02 20:37:09,665 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-02 20:37:09,665 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-02 20:37:09,674 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:37:09" (1/1) ... [2022-11-02 20:37:09,825 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:37:09" (1/1) ... [2022-11-02 20:37:10,152 INFO L138 Inliner]: procedures = 334, calls = 3836, calls flagged for inlining = 113, calls inlined = 106, statements flattened = 6839 [2022-11-02 20:37:10,153 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-02 20:37:10,154 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-02 20:37:10,154 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-02 20:37:10,154 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-02 20:37:10,165 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:37:09" (1/1) ... [2022-11-02 20:37:10,166 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:37:09" (1/1) ... [2022-11-02 20:37:10,254 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:37:09" (1/1) ... [2022-11-02 20:37:10,255 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:37:09" (1/1) ... [2022-11-02 20:37:10,572 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:37:09" (1/1) ... [2022-11-02 20:37:10,626 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:37:09" (1/1) ... [2022-11-02 20:37:10,686 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:37:09" (1/1) ... [2022-11-02 20:37:10,703 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:37:09" (1/1) ... [2022-11-02 20:37:10,747 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-02 20:37:10,748 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-02 20:37:10,748 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-02 20:37:10,748 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-02 20:37:10,749 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:37:09" (1/1) ... [2022-11-02 20:37:10,760 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 20:37:10,773 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9317416-3cff-41af-897c-dffc99b453b5/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:37:10,787 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9317416-3cff-41af-897c-dffc99b453b5/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-02 20:37:10,816 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9317416-3cff-41af-897c-dffc99b453b5/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-02 20:37:10,847 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_setup_msg_structures_uv [2022-11-02 20:37:10,847 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_setup_msg_structures_uv [2022-11-02 20:37:10,848 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-11-02 20:37:10,848 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-11-02 20:37:10,848 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_heartbeat_init_uv [2022-11-02 20:37:10,848 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_heartbeat_init_uv [2022-11-02 20:37:10,848 INFO L130 BoogieDeclarations]: Found specification of procedure __cmpxchg_wrong_size [2022-11-02 20:37:10,848 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_allow_hb_uv [2022-11-02 20:37:10,849 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_allow_hb_uv [2022-11-02 20:37:10,849 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_teardown_partitions_uv [2022-11-02 20:37:10,849 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_teardown_partitions_uv [2022-11-02 20:37:10,849 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_kthread_waitmsgs [2022-11-02 20:37:10,849 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_kthread_waitmsgs [2022-11-02 20:37:10,849 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_send_chctl_opencomplete_uv [2022-11-02 20:37:10,850 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_send_chctl_opencomplete_uv [2022-11-02 20:37:10,850 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-02 20:37:10,850 INFO L130 BoogieDeclarations]: Found specification of procedure wake_up_process [2022-11-02 20:37:10,851 INFO L138 BoogieDeclarations]: Found implementation of procedure wake_up_process [2022-11-02 20:37:10,851 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-02 20:37:10,851 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-02 20:37:10,851 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-02 20:37:10,851 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-02 20:37:10,852 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-02 20:37:10,852 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_teardown_msg_structures_uv [2022-11-02 20:37:10,852 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_teardown_msg_structures_uv [2022-11-02 20:37:10,852 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_teardown_rsvd_page [2022-11-02 20:37:10,852 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_teardown_rsvd_page [2022-11-02 20:37:10,852 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_partition_disengaged [2022-11-02 20:37:10,852 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_partition_disengaged [2022-11-02 20:37:10,853 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_wakeup_channel_mgr [2022-11-02 20:37:10,853 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_wakeup_channel_mgr [2022-11-02 20:37:10,853 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2022-11-02 20:37:10,853 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2022-11-02 20:37:10,853 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-11-02 20:37:10,853 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-11-02 20:37:10,854 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2022-11-02 20:37:10,854 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2022-11-02 20:37:10,854 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_sub_return [2022-11-02 20:37:10,854 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_sub_return [2022-11-02 20:37:10,855 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-02 20:37:10,855 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-02 20:37:10,855 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_kmalloc_cacheline_aligned [2022-11-02 20:37:10,855 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_kmalloc_cacheline_aligned [2022-11-02 20:37:10,855 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_setup_partitions_uv [2022-11-02 20:37:10,855 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_setup_partitions_uv [2022-11-02 20:37:10,856 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_offline_heartbeat_uv [2022-11-02 20:37:10,856 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_offline_heartbeat_uv [2022-11-02 20:37:10,856 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_release_gru_mq_irq_uv [2022-11-02 20:37:10,856 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_release_gru_mq_irq_uv [2022-11-02 20:37:10,857 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~X~int~TO~int [2022-11-02 20:37:10,857 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~X~int~TO~int [2022-11-02 20:37:10,857 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2022-11-02 20:37:10,857 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_notify_sender_uv [2022-11-02 20:37:10,857 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_notify_sender_uv [2022-11-02 20:37:10,858 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_die_deactivate [2022-11-02 20:37:10,858 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_die_deactivate [2022-11-02 20:37:10,858 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_process_connect [2022-11-02 20:37:10,859 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_process_connect [2022-11-02 20:37:10,860 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-11-02 20:37:10,860 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-11-02 20:37:10,860 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2022-11-02 20:37:10,860 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2022-11-02 20:37:10,860 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_die_notifier [2022-11-02 20:37:10,860 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_die_notifier [2022-11-02 20:37:10,861 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_check_remote_hb [2022-11-02 20:37:10,861 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_check_remote_hb [2022-11-02 20:37:10,861 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-11-02 20:37:10,862 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-11-02 20:37:10,862 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-02 20:37:10,862 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-02 20:37:10,862 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_init_fifo_uv [2022-11-02 20:37:10,862 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_init_fifo_uv [2022-11-02 20:37:10,863 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_msgqueue_ref [2022-11-02 20:37:10,863 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_msgqueue_ref [2022-11-02 20:37:10,864 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_received_payload_uv [2022-11-02 20:37:10,864 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_received_payload_uv [2022-11-02 20:37:10,864 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-11-02 20:37:10,864 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-11-02 20:37:10,864 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-02 20:37:10,864 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-02 20:37:10,865 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_kthread_start [2022-11-02 20:37:10,865 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_kthread_start [2022-11-02 20:37:10,865 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-02 20:37:10,865 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-02 20:37:10,865 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_part_ref [2022-11-02 20:37:10,866 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_part_ref [2022-11-02 20:37:10,866 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_create_kthreads [2022-11-02 20:37:10,866 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_create_kthreads [2022-11-02 20:37:10,866 INFO L130 BoogieDeclarations]: Found specification of procedure msleep_interruptible [2022-11-02 20:37:10,866 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep_interruptible [2022-11-02 20:37:10,867 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_send_local_activate_IRQ_uv [2022-11-02 20:37:10,867 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_send_local_activate_IRQ_uv [2022-11-02 20:37:10,868 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_exit_uv [2022-11-02 20:37:10,868 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_exit_uv [2022-11-02 20:37:10,868 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-02 20:37:10,868 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-02 20:37:10,869 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_put_fifo_entry_uv [2022-11-02 20:37:10,870 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_put_fifo_entry_uv [2022-11-02 20:37:10,870 INFO L130 BoogieDeclarations]: Found specification of procedure uv_blade_to_pnode [2022-11-02 20:37:10,871 INFO L138 BoogieDeclarations]: Found implementation of procedure uv_blade_to_pnode [2022-11-02 20:37:10,871 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_process_activate_IRQ_rcvd_uv [2022-11-02 20:37:10,872 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_process_activate_IRQ_rcvd_uv [2022-11-02 20:37:10,872 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_send_activate_IRQ_uv [2022-11-02 20:37:10,872 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_send_activate_IRQ_uv [2022-11-02 20:37:10,872 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_send_payload_uv [2022-11-02 20:37:10,872 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_send_payload_uv [2022-11-02 20:37:10,872 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_free_msg_slot_uv [2022-11-02 20:37:10,873 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_free_msg_slot_uv [2022-11-02 20:37:10,873 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-02 20:37:10,873 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-02 20:37:10,873 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-02 20:37:10,874 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_indicate_partition_engaged_uv [2022-11-02 20:37:10,874 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_indicate_partition_engaged_uv [2022-11-02 20:37:10,874 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_process_openclose_chctl_flags [2022-11-02 20:37:10,874 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_process_openclose_chctl_flags [2022-11-02 20:37:10,874 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-02 20:37:10,874 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_process_msg_chctl_flags_uv [2022-11-02 20:37:10,875 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_process_msg_chctl_flags_uv [2022-11-02 20:37:10,876 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2022-11-02 20:37:10,877 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2022-11-02 20:37:10,878 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2022-11-02 20:37:10,878 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_msgqueue_deref [2022-11-02 20:37:10,878 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_msgqueue_deref [2022-11-02 20:37:10,879 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2022-11-02 20:37:10,879 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2022-11-02 20:37:10,879 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-02 20:37:10,879 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-02 20:37:10,879 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_send_chctl_closereply_uv [2022-11-02 20:37:10,880 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_send_chctl_closereply_uv [2022-11-02 20:37:10,880 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-02 20:37:10,880 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-02 20:37:10,880 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_connect_channel [2022-11-02 20:37:10,880 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_connect_channel [2022-11-02 20:37:10,881 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_cache_remote_gru_mq_desc_uv [2022-11-02 20:37:10,881 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_cache_remote_gru_mq_desc_uv [2022-11-02 20:37:10,881 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_teardown_ch_structures_uv [2022-11-02 20:37:10,881 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_teardown_ch_structures_uv [2022-11-02 20:37:10,881 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~int [2022-11-02 20:37:10,882 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~int [2022-11-02 20:37:10,882 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-02 20:37:10,882 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_request_partition_activation_uv [2022-11-02 20:37:10,882 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_request_partition_activation_uv [2022-11-02 20:37:10,882 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_activating [2022-11-02 20:37:10,883 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_activating [2022-11-02 20:37:10,883 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-02 20:37:10,883 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_disconnect_callout [2022-11-02 20:37:10,883 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_disconnect_callout [2022-11-02 20:37:10,883 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_deactivate_partition [2022-11-02 20:37:10,883 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_deactivate_partition [2022-11-02 20:37:10,884 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_indicate_partition_disengaged_uv [2022-11-02 20:37:10,884 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_indicate_partition_disengaged_uv [2022-11-02 20:37:10,884 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_disconnect_channel [2022-11-02 20:37:10,884 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_disconnect_channel [2022-11-02 20:37:10,884 INFO L130 BoogieDeclarations]: Found specification of procedure find_next_bit [2022-11-02 20:37:10,885 INFO L138 BoogieDeclarations]: Found implementation of procedure find_next_bit [2022-11-02 20:37:10,885 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~~TO~int [2022-11-02 20:37:10,885 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~~TO~int [2022-11-02 20:37:10,885 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-11-02 20:37:10,885 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-11-02 20:37:10,886 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_channel_mgr [2022-11-02 20:37:10,886 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_channel_mgr [2022-11-02 20:37:10,886 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_save_remote_msgqueue_pa_uv [2022-11-02 20:37:10,886 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_save_remote_msgqueue_pa_uv [2022-11-02 20:37:10,944 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_send_chctl_openrequest_uv [2022-11-02 20:37:10,944 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_send_chctl_openrequest_uv [2022-11-02 20:37:10,944 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_heartbeat_exit_uv [2022-11-02 20:37:10,944 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_heartbeat_exit_uv [2022-11-02 20:37:10,944 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-11-02 20:37:10,944 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-11-02 20:37:10,944 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_setup_ch_structures [2022-11-02 20:37:10,945 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_setup_ch_structures [2022-11-02 20:37:10,945 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-11-02 20:37:10,945 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-11-02 20:37:10,945 INFO L130 BoogieDeclarations]: Found specification of procedure free_pages [2022-11-02 20:37:10,945 INFO L138 BoogieDeclarations]: Found implementation of procedure free_pages [2022-11-02 20:37:10,945 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_any_partition_engaged_uv [2022-11-02 20:37:10,945 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_any_partition_engaged_uv [2022-11-02 20:37:10,945 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2022-11-02 20:37:10,946 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2022-11-02 20:37:10,946 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2022-11-02 20:37:10,946 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2022-11-02 20:37:10,946 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-02 20:37:10,946 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_get_rsvd_page_pa [2022-11-02 20:37:10,946 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_get_rsvd_page_pa [2022-11-02 20:37:10,946 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_activate_partition [2022-11-02 20:37:10,946 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_activate_partition [2022-11-02 20:37:10,947 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_send_activate_IRQ_part_uv [2022-11-02 20:37:10,947 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_send_activate_IRQ_part_uv [2022-11-02 20:37:10,947 INFO L130 BoogieDeclarations]: Found specification of procedure uv_cpu_to_blade_id [2022-11-02 20:37:10,947 INFO L138 BoogieDeclarations]: Found implementation of procedure uv_cpu_to_blade_id [2022-11-02 20:37:10,947 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_initiate_discovery [2022-11-02 20:37:10,947 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_initiate_discovery [2022-11-02 20:37:10,947 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-11-02 20:37:10,947 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-11-02 20:37:10,948 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_request_partition_reactivation_uv [2022-11-02 20:37:10,948 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_request_partition_reactivation_uv [2022-11-02 20:37:10,948 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-02 20:37:10,948 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_activate_kthreads [2022-11-02 20:37:10,948 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_activate_kthreads [2022-11-02 20:37:10,948 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-02 20:37:10,948 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_partition_engaged_uv [2022-11-02 20:37:10,948 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_partition_engaged_uv [2022-11-02 20:37:10,949 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2022-11-02 20:37:10,949 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2022-11-02 20:37:10,949 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_send_gru_msg [2022-11-02 20:37:10,949 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_send_gru_msg [2022-11-02 20:37:10,949 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-02 20:37:10,949 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-02 20:37:10,949 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_create_gru_mq_uv [2022-11-02 20:37:10,949 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_create_gru_mq_uv [2022-11-02 20:37:10,950 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_reboot_notifier [2022-11-02 20:37:10,950 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_reboot_notifier [2022-11-02 20:37:10,950 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_part_deref [2022-11-02 20:37:10,950 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_part_deref [2022-11-02 20:37:10,950 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_send_chctl_closerequest_uv [2022-11-02 20:37:10,950 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_send_chctl_closerequest_uv [2022-11-02 20:37:10,950 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_disallow_all_hbs_uv [2022-11-02 20:37:10,950 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_disallow_all_hbs_uv [2022-11-02 20:37:10,950 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_timeout_partition_disengage [2022-11-02 20:37:10,951 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_timeout_partition_disengage [2022-11-02 20:37:10,951 INFO L130 BoogieDeclarations]: Found specification of procedure cpumask_of_node [2022-11-02 20:37:10,951 INFO L138 BoogieDeclarations]: Found implementation of procedure cpumask_of_node [2022-11-02 20:37:10,951 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_init_mq_node [2022-11-02 20:37:10,951 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_init_mq_node [2022-11-02 20:37:10,951 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_destroy_gru_mq_uv [2022-11-02 20:37:10,951 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_destroy_gru_mq_uv [2022-11-02 20:37:10,951 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_discovery [2022-11-02 20:37:10,951 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_discovery [2022-11-02 20:37:10,952 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_get_partition_rsvd_page_pa_uv [2022-11-02 20:37:10,952 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_get_partition_rsvd_page_pa_uv [2022-11-02 20:37:10,952 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait_event [2022-11-02 20:37:10,952 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait_event [2022-11-02 20:37:10,952 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-02 20:37:10,952 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-02 20:37:10,952 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_send_activate_IRQ_ch_uv [2022-11-02 20:37:10,952 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_send_activate_IRQ_ch_uv [2022-11-02 20:37:10,953 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_increment_heartbeat_uv [2022-11-02 20:37:10,953 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_increment_heartbeat_uv [2022-11-02 20:37:10,953 INFO L130 BoogieDeclarations]: Found specification of procedure put_online_cpus [2022-11-02 20:37:10,953 INFO L138 BoogieDeclarations]: Found implementation of procedure put_online_cpus [2022-11-02 20:37:10,953 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-02 20:37:10,953 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_process_sent_chctl_flags [2022-11-02 20:37:10,953 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_process_sent_chctl_flags [2022-11-02 20:37:10,953 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_get_remote_heartbeat_uv [2022-11-02 20:37:10,953 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_get_remote_heartbeat_uv [2022-11-02 20:37:10,954 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-02 20:37:10,954 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-02 20:37:10,954 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_teardown_partitions [2022-11-02 20:37:10,954 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_teardown_partitions [2022-11-02 20:37:10,954 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_process_disconnect [2022-11-02 20:37:10,954 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_process_disconnect [2022-11-02 20:37:10,954 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_do_exit [2022-11-02 20:37:10,955 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_do_exit [2022-11-02 20:37:10,955 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-11-02 20:37:10,955 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-11-02 20:37:10,955 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_online_heartbeat_uv [2022-11-02 20:37:10,955 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_online_heartbeat_uv [2022-11-02 20:37:10,957 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_get_fifo_entry_uv [2022-11-02 20:37:10,958 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_get_fifo_entry_uv [2022-11-02 20:37:10,958 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_disallow_hb_uv [2022-11-02 20:37:10,958 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_disallow_hb_uv [2022-11-02 20:37:10,958 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-02 20:37:10,958 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_send_chctl_openreply_uv [2022-11-02 20:37:10,959 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_send_chctl_openreply_uv [2022-11-02 20:37:10,959 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_1 [2022-11-02 20:37:10,959 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_1 [2022-11-02 20:37:10,959 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_hb_checker [2022-11-02 20:37:10,959 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_hb_checker [2022-11-02 20:37:10,959 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~~TO~VOID [2022-11-02 20:37:10,960 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~~TO~VOID [2022-11-02 20:37:10,960 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-11-02 20:37:10,960 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-11-02 20:37:10,960 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2022-11-02 20:37:10,960 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2022-11-02 20:37:10,961 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_setup_ch_structures_uv [2022-11-02 20:37:10,961 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_setup_ch_structures_uv [2022-11-02 20:37:10,961 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_setup_rsvd_page_uv [2022-11-02 20:37:10,961 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_setup_rsvd_page_uv [2022-11-02 20:37:10,961 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-02 20:37:10,961 INFO L130 BoogieDeclarations]: Found specification of procedure cpumask_next [2022-11-02 20:37:10,962 INFO L138 BoogieDeclarations]: Found implementation of procedure cpumask_next [2022-11-02 20:37:10,962 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2022-11-02 20:37:10,962 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2022-11-02 20:37:10,962 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_request_partition_deactivation_uv [2022-11-02 20:37:10,962 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_request_partition_deactivation_uv [2022-11-02 20:37:10,963 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_get_chctl_all_flags_uv [2022-11-02 20:37:10,963 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_get_chctl_all_flags_uv [2022-11-02 20:37:10,963 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_gru_mq_watchlist_free_uv [2022-11-02 20:37:10,963 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_gru_mq_watchlist_free_uv [2022-11-02 20:37:10,963 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_partition_going_down [2022-11-02 20:37:10,964 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_partition_going_down [2022-11-02 20:37:10,964 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion [2022-11-02 20:37:10,964 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion [2022-11-02 20:37:10,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-02 20:37:10,964 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-02 20:37:10,964 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_1 [2022-11-02 20:37:10,965 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_1 [2022-11-02 20:37:10,965 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-02 20:37:10,965 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-02 20:37:10,965 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-11-02 20:37:10,965 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-11-02 20:37:10,966 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2022-11-02 20:37:10,966 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2022-11-02 20:37:10,966 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2022-11-02 20:37:10,966 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2022-11-02 20:37:10,966 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_sysctl_table [2022-11-02 20:37:10,966 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_sysctl_table [2022-11-02 20:37:10,967 INFO L130 BoogieDeclarations]: Found specification of procedure uv_gpa [2022-11-02 20:37:10,967 INFO L138 BoogieDeclarations]: Found implementation of procedure uv_gpa [2022-11-02 20:37:10,967 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2022-11-02 20:37:10,967 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2022-11-02 20:37:10,967 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~X~int~X~$Pointer$~X~$Pointer$~TO~VOID [2022-11-02 20:37:10,968 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~X~int~X~$Pointer$~X~$Pointer$~TO~VOID [2022-11-02 20:37:10,968 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_get_deliverable_payload_uv [2022-11-02 20:37:10,968 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_get_deliverable_payload_uv [2022-11-02 20:37:10,968 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_notify_senders_of_disconnect_uv [2022-11-02 20:37:10,968 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_notify_senders_of_disconnect_uv [2022-11-02 20:37:10,968 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_add_return [2022-11-02 20:37:10,969 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_add_return [2022-11-02 20:37:10,969 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_make_first_contact_uv [2022-11-02 20:37:10,969 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_make_first_contact_uv [2022-11-02 20:37:10,969 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_n_of_deliverable_payloads_uv [2022-11-02 20:37:10,969 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_n_of_deliverable_payloads_uv [2022-11-02 20:37:10,970 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_get_remote_rp [2022-11-02 20:37:10,970 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_get_remote_rp [2022-11-02 20:37:10,970 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_hb_beater [2022-11-02 20:37:10,970 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_hb_beater [2022-11-02 20:37:10,970 INFO L130 BoogieDeclarations]: Found specification of procedure is_uv_system [2022-11-02 20:37:10,971 INFO L138 BoogieDeclarations]: Found implementation of procedure is_uv_system [2022-11-02 20:37:10,971 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-11-02 20:37:10,971 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-11-02 20:37:10,971 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2022-11-02 20:37:10,971 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2022-11-02 20:37:10,971 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2022-11-02 20:37:10,972 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2022-11-02 20:37:10,972 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-02 20:37:10,972 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2022-11-02 20:37:10,972 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2022-11-02 20:37:10,972 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2022-11-02 20:37:10,973 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2022-11-02 20:37:10,973 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-02 20:37:10,973 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-02 20:37:10,973 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_assume_partition_disengaged_uv [2022-11-02 20:37:10,973 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_assume_partition_disengaged_uv [2022-11-02 20:37:10,973 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-11-02 20:37:10,974 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-11-02 20:37:10,974 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_cancel_partition_deactivation_request_uv [2022-11-02 20:37:10,974 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_cancel_partition_deactivation_request_uv [2022-11-02 20:37:12,321 INFO L235 CfgBuilder]: Building ICFG [2022-11-02 20:37:12,326 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-02 20:37:13,254 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-02 20:37:37,056 INFO L276 CfgBuilder]: Performing block encoding [2022-11-02 20:37:37,095 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-02 20:37:37,095 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-02 20:37:37,100 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:37:37 BoogieIcfgContainer [2022-11-02 20:37:37,101 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-02 20:37:37,103 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-02 20:37:37,103 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-02 20:37:37,109 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-02 20:37:37,109 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 08:37:05" (1/3) ... [2022-11-02 20:37:37,110 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d5f0f19 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 08:37:37, skipping insertion in model container [2022-11-02 20:37:37,110 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:37:09" (2/3) ... [2022-11-02 20:37:37,111 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d5f0f19 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 08:37:37, skipping insertion in model container [2022-11-02 20:37:37,111 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:37:37" (3/3) ... [2022-11-02 20:37:37,112 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--misc--sgi-xp--xpc.ko-entry_point.cil.out.i [2022-11-02 20:37:37,134 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-02 20:37:37,135 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-02 20:37:37,282 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-02 20:37:37,292 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@d6ae0d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-02 20:37:37,292 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-02 20:37:37,311 INFO L276 IsEmpty]: Start isEmpty. Operand has 2824 states, 1915 states have (on average 1.3806788511749348) internal successors, (2644), 2024 states have internal predecessors, (2644), 744 states have call successors, (744), 164 states have call predecessors, (744), 163 states have return successors, (739), 703 states have call predecessors, (739), 739 states have call successors, (739) [2022-11-02 20:37:37,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2022-11-02 20:37:37,347 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:37:37,348 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2022-11-02 20:37:37,349 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:37:37,358 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:37:37,361 INFO L85 PathProgramCache]: Analyzing trace with hash 2088347792, now seen corresponding path program 1 times [2022-11-02 20:37:37,371 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:37:37,373 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1141515151] [2022-11-02 20:37:37,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:37:37,374 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:37:37,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:37:38,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-02 20:37:38,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:37:38,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:37:38,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:37:38,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:37:38,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:37:38,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-02 20:37:38,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:37:38,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:37:38,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:37:38,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:37:38,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:37:38,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-02 20:37:38,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:37:38,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:37:38,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:37:38,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:37:38,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:37:38,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-02 20:37:38,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:37:38,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:37:38,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:37:38,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:37:38,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:37:38,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-11-02 20:37:38,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:37:38,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:37:38,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:37:38,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-11-02 20:37:38,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:37:38,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:37:38,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:37:38,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-11-02 20:37:38,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:37:38,549 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2022-11-02 20:37:38,550 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:37:38,550 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1141515151] [2022-11-02 20:37:38,551 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1141515151] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:37:38,551 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:37:38,551 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-02 20:37:38,553 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2059067024] [2022-11-02 20:37:38,553 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:37:38,558 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-02 20:37:38,558 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:37:38,584 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-02 20:37:38,585 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-02 20:37:38,593 INFO L87 Difference]: Start difference. First operand has 2824 states, 1915 states have (on average 1.3806788511749348) internal successors, (2644), 2024 states have internal predecessors, (2644), 744 states have call successors, (744), 164 states have call predecessors, (744), 163 states have return successors, (739), 703 states have call predecessors, (739), 739 states have call successors, (739) Second operand has 5 states, 5 states have (on average 8.0) internal successors, (40), 2 states have internal predecessors, (40), 2 states have call successors, (12), 5 states have call predecessors, (12), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-11-02 20:37:41,373 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:37:47,693 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:37:53,586 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:37:53,587 INFO L93 Difference]: Finished difference Result 6247 states and 9589 transitions. [2022-11-02 20:37:53,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-02 20:37:53,590 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 2 states have internal predecessors, (40), 2 states have call successors, (12), 5 states have call predecessors, (12), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 109 [2022-11-02 20:37:53,590 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:37:53,639 INFO L225 Difference]: With dead ends: 6247 [2022-11-02 20:37:53,639 INFO L226 Difference]: Without dead ends: 3403 [2022-11-02 20:37:53,668 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2022-11-02 20:37:53,671 INFO L413 NwaCegarLoop]: 3977 mSDtfsCounter, 2627 mSDsluCounter, 2191 mSDsCounter, 0 mSdLazyCounter, 1654 mSolverCounterSat, 3108 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2704 SdHoareTripleChecker+Valid, 6168 SdHoareTripleChecker+Invalid, 4764 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3108 IncrementalHoareTripleChecker+Valid, 1654 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.4s IncrementalHoareTripleChecker+Time [2022-11-02 20:37:53,672 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2704 Valid, 6168 Invalid, 4764 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3108 Valid, 1654 Invalid, 2 Unknown, 0 Unchecked, 14.4s Time] [2022-11-02 20:37:53,700 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3403 states. [2022-11-02 20:37:53,965 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3403 to 2802. [2022-11-02 20:37:53,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2802 states, 1900 states have (on average 1.3752631578947367) internal successors, (2613), 2003 states have internal predecessors, (2613), 739 states have call successors, (739), 163 states have call predecessors, (739), 162 states have return successors, (737), 701 states have call predecessors, (737), 737 states have call successors, (737) [2022-11-02 20:37:54,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2802 states to 2802 states and 4089 transitions. [2022-11-02 20:37:54,010 INFO L78 Accepts]: Start accepts. Automaton has 2802 states and 4089 transitions. Word has length 109 [2022-11-02 20:37:54,011 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:37:54,011 INFO L495 AbstractCegarLoop]: Abstraction has 2802 states and 4089 transitions. [2022-11-02 20:37:54,011 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 2 states have internal predecessors, (40), 2 states have call successors, (12), 5 states have call predecessors, (12), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-11-02 20:37:54,012 INFO L276 IsEmpty]: Start isEmpty. Operand 2802 states and 4089 transitions. [2022-11-02 20:37:54,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2022-11-02 20:37:54,028 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:37:54,028 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2022-11-02 20:37:54,029 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-02 20:37:54,029 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:37:54,030 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:37:54,030 INFO L85 PathProgramCache]: Analyzing trace with hash 535654792, now seen corresponding path program 1 times [2022-11-02 20:37:54,030 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:37:54,031 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1045222908] [2022-11-02 20:37:54,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:37:54,031 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:37:54,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:37:54,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-02 20:37:54,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:37:54,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:37:54,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:37:54,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:37:54,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:37:54,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-02 20:37:54,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:37:54,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:37:54,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:37:54,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:37:54,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:37:54,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-02 20:37:54,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:37:54,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:37:54,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:37:54,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:37:54,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:37:54,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-02 20:37:54,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:37:54,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:37:54,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:37:54,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:37:54,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:37:54,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-11-02 20:37:54,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:37:54,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:37:54,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:37:55,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-11-02 20:37:55,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:37:55,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:37:55,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:37:55,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-11-02 20:37:55,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:37:55,051 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2022-11-02 20:37:55,052 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:37:55,056 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1045222908] [2022-11-02 20:37:55,057 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1045222908] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:37:55,057 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:37:55,057 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-02 20:37:55,058 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1636106547] [2022-11-02 20:37:55,058 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:37:55,059 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-02 20:37:55,060 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:37:55,060 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-02 20:37:55,061 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-02 20:37:55,061 INFO L87 Difference]: Start difference. First operand 2802 states and 4089 transitions. Second operand has 6 states, 6 states have (on average 6.666666666666667) internal successors, (40), 3 states have internal predecessors, (40), 2 states have call successors, (12), 5 states have call predecessors, (12), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2022-11-02 20:37:57,031 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.97s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:38:00,652 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:38:02,698 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:38:13,096 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:38:16,104 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:38:28,479 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:38:28,479 INFO L93 Difference]: Finished difference Result 6607 states and 9979 transitions. [2022-11-02 20:38:28,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-02 20:38:28,484 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.666666666666667) internal successors, (40), 3 states have internal predecessors, (40), 2 states have call successors, (12), 5 states have call predecessors, (12), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 109 [2022-11-02 20:38:28,485 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:38:28,517 INFO L225 Difference]: With dead ends: 6607 [2022-11-02 20:38:28,517 INFO L226 Difference]: Without dead ends: 3820 [2022-11-02 20:38:28,532 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2022-11-02 20:38:28,533 INFO L413 NwaCegarLoop]: 4209 mSDtfsCounter, 2074 mSDsluCounter, 9365 mSDsCounter, 0 mSdLazyCounter, 5103 mSolverCounterSat, 2177 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 30.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2293 SdHoareTripleChecker+Valid, 13574 SdHoareTripleChecker+Invalid, 7284 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2177 IncrementalHoareTripleChecker+Valid, 5103 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 32.9s IncrementalHoareTripleChecker+Time [2022-11-02 20:38:28,533 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2293 Valid, 13574 Invalid, 7284 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2177 Valid, 5103 Invalid, 4 Unknown, 0 Unchecked, 32.9s Time] [2022-11-02 20:38:28,540 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3820 states. [2022-11-02 20:38:28,657 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3820 to 2803. [2022-11-02 20:38:28,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2803 states, 1901 states have (on average 1.37506575486586) internal successors, (2614), 2004 states have internal predecessors, (2614), 739 states have call successors, (739), 163 states have call predecessors, (739), 162 states have return successors, (737), 701 states have call predecessors, (737), 737 states have call successors, (737) [2022-11-02 20:38:28,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2803 states to 2803 states and 4090 transitions. [2022-11-02 20:38:28,683 INFO L78 Accepts]: Start accepts. Automaton has 2803 states and 4090 transitions. Word has length 109 [2022-11-02 20:38:28,683 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:38:28,683 INFO L495 AbstractCegarLoop]: Abstraction has 2803 states and 4090 transitions. [2022-11-02 20:38:28,684 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.666666666666667) internal successors, (40), 3 states have internal predecessors, (40), 2 states have call successors, (12), 5 states have call predecessors, (12), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2022-11-02 20:38:28,684 INFO L276 IsEmpty]: Start isEmpty. Operand 2803 states and 4090 transitions. [2022-11-02 20:38:28,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2022-11-02 20:38:28,694 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:38:28,694 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2022-11-02 20:38:28,695 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-02 20:38:28,695 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:38:28,695 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:38:28,696 INFO L85 PathProgramCache]: Analyzing trace with hash -1025691001, now seen corresponding path program 1 times [2022-11-02 20:38:28,696 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:38:28,696 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1126685491] [2022-11-02 20:38:28,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:38:28,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:38:28,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:29,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-02 20:38:29,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:29,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:38:29,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:29,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:38:29,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:29,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-02 20:38:29,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:29,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:38:29,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:29,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:38:29,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:29,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-02 20:38:29,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:29,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:38:29,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:29,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:38:29,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:29,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-02 20:38:29,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:29,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:38:29,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:29,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:38:29,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:29,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-11-02 20:38:29,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:29,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:38:29,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:29,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-11-02 20:38:29,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:29,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:38:29,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:29,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-11-02 20:38:29,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:38:29,875 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2022-11-02 20:38:29,875 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:38:29,875 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1126685491] [2022-11-02 20:38:29,876 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1126685491] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:38:29,876 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:38:29,876 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-02 20:38:29,876 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [648104277] [2022-11-02 20:38:29,876 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:38:29,877 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-02 20:38:29,877 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:38:29,878 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-02 20:38:29,878 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-02 20:38:29,878 INFO L87 Difference]: Start difference. First operand 2803 states and 4090 transitions. Second operand has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 3 states have internal predecessors, (49), 2 states have call successors, (12), 5 states have call predecessors, (12), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2022-11-02 20:38:31,616 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:38:33,844 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:38:35,894 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:38:39,013 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:38:41,043 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:38:48,168 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:38:50,943 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.77s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:38:55,630 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:38:58,379 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.75s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:39:05,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:39:05,255 INFO L93 Difference]: Finished difference Result 6771 states and 10258 transitions. [2022-11-02 20:39:05,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-02 20:39:05,256 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 3 states have internal predecessors, (49), 2 states have call successors, (12), 5 states have call predecessors, (12), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 118 [2022-11-02 20:39:05,256 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:39:05,288 INFO L225 Difference]: With dead ends: 6771 [2022-11-02 20:39:05,288 INFO L226 Difference]: Without dead ends: 3983 [2022-11-02 20:39:05,305 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2022-11-02 20:39:05,306 INFO L413 NwaCegarLoop]: 4566 mSDtfsCounter, 2281 mSDsluCounter, 8150 mSDsCounter, 0 mSdLazyCounter, 4092 mSolverCounterSat, 2095 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 32.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2543 SdHoareTripleChecker+Valid, 12716 SdHoareTripleChecker+Invalid, 6195 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2095 IncrementalHoareTripleChecker+Valid, 4092 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 35.0s IncrementalHoareTripleChecker+Time [2022-11-02 20:39:05,307 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2543 Valid, 12716 Invalid, 6195 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2095 Valid, 4092 Invalid, 8 Unknown, 0 Unchecked, 35.0s Time] [2022-11-02 20:39:05,314 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3983 states. [2022-11-02 20:39:05,441 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3983 to 2805. [2022-11-02 20:39:05,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2805 states, 1903 states have (on average 1.3751970572779821) internal successors, (2617), 2006 states have internal predecessors, (2617), 739 states have call successors, (739), 163 states have call predecessors, (739), 162 states have return successors, (737), 701 states have call predecessors, (737), 737 states have call successors, (737) [2022-11-02 20:39:05,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2805 states to 2805 states and 4093 transitions. [2022-11-02 20:39:05,465 INFO L78 Accepts]: Start accepts. Automaton has 2805 states and 4093 transitions. Word has length 118 [2022-11-02 20:39:05,465 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:39:05,465 INFO L495 AbstractCegarLoop]: Abstraction has 2805 states and 4093 transitions. [2022-11-02 20:39:05,466 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 3 states have internal predecessors, (49), 2 states have call successors, (12), 5 states have call predecessors, (12), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2022-11-02 20:39:05,466 INFO L276 IsEmpty]: Start isEmpty. Operand 2805 states and 4093 transitions. [2022-11-02 20:39:05,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2022-11-02 20:39:05,469 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:39:05,469 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2022-11-02 20:39:05,470 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-02 20:39:05,470 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:39:05,470 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:39:05,471 INFO L85 PathProgramCache]: Analyzing trace with hash -345632631, now seen corresponding path program 1 times [2022-11-02 20:39:05,471 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:39:05,471 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1366224331] [2022-11-02 20:39:05,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:39:05,471 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:39:05,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:06,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-02 20:39:06,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:06,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:39:06,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:06,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:39:06,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:06,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-02 20:39:06,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:06,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:39:06,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:06,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:39:06,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:06,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-02 20:39:06,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:06,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:39:06,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:06,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:39:06,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:06,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-02 20:39:06,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:06,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:39:06,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:06,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:39:06,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:06,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-11-02 20:39:06,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:06,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:39:06,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:06,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-11-02 20:39:06,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:06,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:39:06,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:06,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-11-02 20:39:06,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:06,471 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2022-11-02 20:39:06,472 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:39:06,472 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1366224331] [2022-11-02 20:39:06,472 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1366224331] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:39:06,472 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:39:06,473 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-02 20:39:06,473 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [471856464] [2022-11-02 20:39:06,473 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:39:06,474 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-02 20:39:06,474 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:39:06,474 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-02 20:39:06,475 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-02 20:39:06,475 INFO L87 Difference]: Start difference. First operand 2805 states and 4093 transitions. Second operand has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 3 states have internal predecessors, (49), 3 states have call successors, (12), 6 states have call predecessors, (12), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-11-02 20:39:09,321 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:39:16,847 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:39:25,993 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:39:30,955 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:39:32,637 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:39:32,637 INFO L93 Difference]: Finished difference Result 5972 states and 9249 transitions. [2022-11-02 20:39:32,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-02 20:39:32,638 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 3 states have internal predecessors, (49), 3 states have call successors, (12), 6 states have call predecessors, (12), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 118 [2022-11-02 20:39:32,639 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:39:32,685 INFO L225 Difference]: With dead ends: 5972 [2022-11-02 20:39:32,686 INFO L226 Difference]: Without dead ends: 5969 [2022-11-02 20:39:32,690 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2022-11-02 20:39:32,691 INFO L413 NwaCegarLoop]: 4773 mSDtfsCounter, 8453 mSDsluCounter, 4979 mSDsCounter, 0 mSdLazyCounter, 3499 mSolverCounterSat, 5904 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8831 SdHoareTripleChecker+Valid, 9752 SdHoareTripleChecker+Invalid, 9407 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5904 IncrementalHoareTripleChecker+Valid, 3499 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 25.6s IncrementalHoareTripleChecker+Time [2022-11-02 20:39:32,692 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8831 Valid, 9752 Invalid, 9407 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5904 Valid, 3499 Invalid, 4 Unknown, 0 Unchecked, 25.6s Time] [2022-11-02 20:39:32,702 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5969 states. [2022-11-02 20:39:32,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5969 to 5009. [2022-11-02 20:39:32,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5009 states, 3452 states have (on average 1.3826767091541134) internal successors, (4773), 3636 states have internal predecessors, (4773), 1235 states have call successors, (1235), 299 states have call predecessors, (1235), 321 states have return successors, (1500), 1173 states have call predecessors, (1500), 1232 states have call successors, (1500) [2022-11-02 20:39:33,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5009 states to 5009 states and 7508 transitions. [2022-11-02 20:39:33,003 INFO L78 Accepts]: Start accepts. Automaton has 5009 states and 7508 transitions. Word has length 118 [2022-11-02 20:39:33,004 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:39:33,004 INFO L495 AbstractCegarLoop]: Abstraction has 5009 states and 7508 transitions. [2022-11-02 20:39:33,004 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 3 states have internal predecessors, (49), 3 states have call successors, (12), 6 states have call predecessors, (12), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-11-02 20:39:33,005 INFO L276 IsEmpty]: Start isEmpty. Operand 5009 states and 7508 transitions. [2022-11-02 20:39:33,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2022-11-02 20:39:33,013 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:39:33,013 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2022-11-02 20:39:33,014 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-02 20:39:33,014 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:39:33,014 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:39:33,015 INFO L85 PathProgramCache]: Analyzing trace with hash -1172093577, now seen corresponding path program 1 times [2022-11-02 20:39:33,015 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:39:33,015 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [818762150] [2022-11-02 20:39:33,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:39:33,016 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:39:33,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:33,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-02 20:39:33,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:33,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:39:33,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:33,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:39:33,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:33,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-02 20:39:33,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:33,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:39:33,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:33,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:39:33,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:33,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-02 20:39:33,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:33,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:39:33,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:33,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:39:33,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:33,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-02 20:39:33,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:33,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:39:33,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:33,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:39:33,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:34,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-11-02 20:39:34,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:34,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:39:34,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:34,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-11-02 20:39:34,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:34,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:39:34,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:34,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-02 20:39:34,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:34,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:39:34,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:34,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-11-02 20:39:34,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:34,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:39:34,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:34,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-11-02 20:39:34,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:34,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-11-02 20:39:34,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:34,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2022-11-02 20:39:34,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:34,172 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2022-11-02 20:39:34,172 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:39:34,172 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [818762150] [2022-11-02 20:39:34,173 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [818762150] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:39:34,173 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:39:34,173 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-02 20:39:34,173 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [581703996] [2022-11-02 20:39:34,174 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:39:34,175 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-02 20:39:34,175 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:39:34,176 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-02 20:39:34,176 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2022-11-02 20:39:34,176 INFO L87 Difference]: Start difference. First operand 5009 states and 7508 transitions. Second operand has 9 states, 9 states have (on average 8.0) internal successors, (72), 5 states have internal predecessors, (72), 3 states have call successors, (24), 6 states have call predecessors, (24), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2022-11-02 20:39:35,824 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.65s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:39:37,076 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:39:38,283 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:39:40,660 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:39:46,935 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:40:05,058 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:40:09,900 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:40:18,379 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []