./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--misc--sgi-xp--xpc.ko-main.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f13c42a-a7bc-443f-8aa6-ff144b1bc5f2/bin/uautomizer-J5u9QxTXDZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f13c42a-a7bc-443f-8aa6-ff144b1bc5f2/bin/uautomizer-J5u9QxTXDZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f13c42a-a7bc-443f-8aa6-ff144b1bc5f2/bin/uautomizer-J5u9QxTXDZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f13c42a-a7bc-443f-8aa6-ff144b1bc5f2/bin/uautomizer-J5u9QxTXDZ/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--misc--sgi-xp--xpc.ko-main.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f13c42a-a7bc-443f-8aa6-ff144b1bc5f2/bin/uautomizer-J5u9QxTXDZ/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f13c42a-a7bc-443f-8aa6-ff144b1bc5f2/bin/uautomizer-J5u9QxTXDZ --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 fc0d7108b14cf7ade4256acdb7ea5c36ccda70628af318ac7331527caf0f1ef8 --- Real Ultimate output --- [0.006s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-dbf71c6-m [2022-10-17 10:33:11,882 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 10:33:11,884 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 10:33:11,924 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 10:33:11,925 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 10:33:11,929 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 10:33:11,931 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 10:33:11,937 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 10:33:11,939 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 10:33:11,946 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 10:33:11,947 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 10:33:11,951 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 10:33:11,951 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 10:33:11,954 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 10:33:11,957 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 10:33:11,959 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 10:33:11,961 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 10:33:11,962 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 10:33:11,963 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 10:33:11,973 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 10:33:11,975 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 10:33:11,976 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 10:33:11,980 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 10:33:11,981 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 10:33:11,992 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 10:33:11,992 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 10:33:11,993 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 10:33:11,995 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 10:33:11,996 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 10:33:11,997 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 10:33:11,998 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 10:33:11,999 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 10:33:12,001 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 10:33:12,002 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 10:33:12,003 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 10:33:12,003 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 10:33:12,010 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 10:33:12,010 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 10:33:12,011 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 10:33:12,012 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 10:33:12,012 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 10:33:12,013 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f13c42a-a7bc-443f-8aa6-ff144b1bc5f2/bin/uautomizer-J5u9QxTXDZ/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-10-17 10:33:12,071 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 10:33:12,072 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 10:33:12,072 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-17 10:33:12,073 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-17 10:33:12,073 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 10:33:12,074 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-17 10:33:12,074 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 10:33:12,074 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 10:33:12,075 INFO L138 SettingsManager]: * Use SBE=true [2022-10-17 10:33:12,075 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 10:33:12,075 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 10:33:12,075 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 10:33:12,075 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 10:33:12,075 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 10:33:12,076 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 10:33:12,076 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 10:33:12,076 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 10:33:12,076 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 10:33:12,076 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 10:33:12,076 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-17 10:33:12,077 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-17 10:33:12,077 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-17 10:33:12,077 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 10:33:12,077 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 10:33:12,077 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 10:33:12,078 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-17 10:33:12,078 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 10:33:12,078 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-10-17 10:33:12,078 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-10-17 10:33:12,078 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 10:33:12,078 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_6f13c42a-a7bc-443f-8aa6-ff144b1bc5f2/bin/uautomizer-J5u9QxTXDZ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f13c42a-a7bc-443f-8aa6-ff144b1bc5f2/bin/uautomizer-J5u9QxTXDZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fc0d7108b14cf7ade4256acdb7ea5c36ccda70628af318ac7331527caf0f1ef8 [2022-10-17 10:33:12,324 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 10:33:12,345 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 10:33:12,348 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 10:33:12,349 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 10:33:12,350 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 10:33:12,351 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f13c42a-a7bc-443f-8aa6-ff144b1bc5f2/bin/uautomizer-J5u9QxTXDZ/../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--misc--sgi-xp--xpc.ko-main.cil.out.i [2022-10-17 10:33:12,427 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f13c42a-a7bc-443f-8aa6-ff144b1bc5f2/bin/uautomizer-J5u9QxTXDZ/data/5b34f19c5/deba2d5f26764c5694c74b8d54d584f5/FLAG25407f2f2 [2022-10-17 10:33:13,361 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 10:33:13,362 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f13c42a-a7bc-443f-8aa6-ff144b1bc5f2/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--misc--sgi-xp--xpc.ko-main.cil.out.i [2022-10-17 10:33:13,417 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f13c42a-a7bc-443f-8aa6-ff144b1bc5f2/bin/uautomizer-J5u9QxTXDZ/data/5b34f19c5/deba2d5f26764c5694c74b8d54d584f5/FLAG25407f2f2 [2022-10-17 10:33:13,442 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f13c42a-a7bc-443f-8aa6-ff144b1bc5f2/bin/uautomizer-J5u9QxTXDZ/data/5b34f19c5/deba2d5f26764c5694c74b8d54d584f5 [2022-10-17 10:33:13,445 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 10:33:13,447 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 10:33:13,448 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 10:33:13,449 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 10:33:13,454 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 10:33:13,454 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 10:33:13" (1/1) ... [2022-10-17 10:33:13,455 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@23de1b8e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:33:13, skipping insertion in model container [2022-10-17 10:33:13,456 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 10:33:13" (1/1) ... [2022-10-17 10:33:13,463 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 10:33:13,625 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 10:33:16,228 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_6f13c42a-a7bc-443f-8aa6-ff144b1bc5f2/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--misc--sgi-xp--xpc.ko-main.cil.out.i[329752,329765] [2022-10-17 10:33:16,371 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 10:33:16,438 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 10:33:16,923 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_6f13c42a-a7bc-443f-8aa6-ff144b1bc5f2/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--misc--sgi-xp--xpc.ko-main.cil.out.i[329752,329765] [2022-10-17 10:33:16,939 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 10:33:17,081 INFO L208 MainTranslator]: Completed translation [2022-10-17 10:33:17,082 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:33:17 WrapperNode [2022-10-17 10:33:17,083 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 10:33:17,085 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 10:33:17,110 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 10:33:17,110 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 10:33:17,118 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:33:17" (1/1) ... [2022-10-17 10:33:17,272 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:33:17" (1/1) ... [2022-10-17 10:33:17,593 INFO L138 Inliner]: procedures = 380, calls = 3775, calls flagged for inlining = 111, calls inlined = 106, statements flattened = 6799 [2022-10-17 10:33:17,594 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 10:33:17,595 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 10:33:17,595 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 10:33:17,595 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 10:33:17,604 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:33:17" (1/1) ... [2022-10-17 10:33:17,605 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:33:17" (1/1) ... [2022-10-17 10:33:17,650 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:33:17" (1/1) ... [2022-10-17 10:33:17,651 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:33:17" (1/1) ... [2022-10-17 10:33:17,929 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:33:17" (1/1) ... [2022-10-17 10:33:18,007 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:33:17" (1/1) ... [2022-10-17 10:33:18,105 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:33:17" (1/1) ... [2022-10-17 10:33:18,167 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:33:17" (1/1) ... [2022-10-17 10:33:18,221 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 10:33:18,222 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 10:33:18,223 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 10:33:18,223 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 10:33:18,224 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:33:17" (1/1) ... [2022-10-17 10:33:18,231 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-17 10:33:18,256 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f13c42a-a7bc-443f-8aa6-ff144b1bc5f2/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:33:18,293 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f13c42a-a7bc-443f-8aa6-ff144b1bc5f2/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-17 10:33:18,367 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f13c42a-a7bc-443f-8aa6-ff144b1bc5f2/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-17 10:33:18,437 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_setup_msg_structures_uv [2022-10-17 10:33:18,438 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_setup_msg_structures_uv [2022-10-17 10:33:18,438 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-10-17 10:33:18,438 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-10-17 10:33:18,438 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_heartbeat_init_uv [2022-10-17 10:33:18,438 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_heartbeat_init_uv [2022-10-17 10:33:18,438 INFO L130 BoogieDeclarations]: Found specification of procedure __cmpxchg_wrong_size [2022-10-17 10:33:18,439 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_allow_hb_uv [2022-10-17 10:33:18,439 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_allow_hb_uv [2022-10-17 10:33:18,439 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_teardown_partitions_uv [2022-10-17 10:33:18,439 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_teardown_partitions_uv [2022-10-17 10:33:18,439 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_kthread_waitmsgs [2022-10-17 10:33:18,439 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_kthread_waitmsgs [2022-10-17 10:33:18,439 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_send_chctl_opencomplete_uv [2022-10-17 10:33:18,440 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_send_chctl_opencomplete_uv [2022-10-17 10:33:18,440 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-10-17 10:33:18,440 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-10-17 10:33:18,440 INFO L130 BoogieDeclarations]: Found specification of procedure wake_up_process [2022-10-17 10:33:18,440 INFO L138 BoogieDeclarations]: Found implementation of procedure wake_up_process [2022-10-17 10:33:18,440 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_teardown_msg_structures_uv [2022-10-17 10:33:18,440 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_teardown_msg_structures_uv [2022-10-17 10:33:18,440 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_teardown_rsvd_page [2022-10-17 10:33:18,441 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_teardown_rsvd_page [2022-10-17 10:33:18,441 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_partition_disengaged [2022-10-17 10:33:18,441 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_partition_disengaged [2022-10-17 10:33:18,441 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_wakeup_channel_mgr [2022-10-17 10:33:18,441 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_wakeup_channel_mgr [2022-10-17 10:33:18,441 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2022-10-17 10:33:18,441 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2022-10-17 10:33:18,442 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-10-17 10:33:18,442 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-10-17 10:33:18,442 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_sub_return [2022-10-17 10:33:18,442 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_sub_return [2022-10-17 10:33:18,442 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-10-17 10:33:18,442 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-10-17 10:33:18,442 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_kmalloc_cacheline_aligned [2022-10-17 10:33:18,443 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_kmalloc_cacheline_aligned [2022-10-17 10:33:18,443 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_setup_partitions_uv [2022-10-17 10:33:18,443 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_setup_partitions_uv [2022-10-17 10:33:18,443 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_offline_heartbeat_uv [2022-10-17 10:33:18,443 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_offline_heartbeat_uv [2022-10-17 10:33:18,455 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_release_gru_mq_irq_uv [2022-10-17 10:33:18,455 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_release_gru_mq_irq_uv [2022-10-17 10:33:18,455 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~X~int~TO~int [2022-10-17 10:33:18,455 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~X~int~TO~int [2022-10-17 10:33:18,456 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2022-10-17 10:33:18,456 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_notify_sender_uv [2022-10-17 10:33:18,456 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_notify_sender_uv [2022-10-17 10:33:18,456 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_die_deactivate [2022-10-17 10:33:18,456 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_die_deactivate [2022-10-17 10:33:18,457 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_process_connect [2022-10-17 10:33:18,457 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_process_connect [2022-10-17 10:33:18,457 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-10-17 10:33:18,457 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-10-17 10:33:18,458 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_trylock [2022-10-17 10:33:18,458 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_trylock [2022-10-17 10:33:18,458 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_die_notifier [2022-10-17 10:33:18,459 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_die_notifier [2022-10-17 10:33:18,459 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_check_remote_hb [2022-10-17 10:33:18,460 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_check_remote_hb [2022-10-17 10:33:18,460 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-10-17 10:33:18,460 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-10-17 10:33:18,460 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-10-17 10:33:18,461 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-10-17 10:33:18,461 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_init_fifo_uv [2022-10-17 10:33:18,461 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_init_fifo_uv [2022-10-17 10:33:18,461 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_cached_activate_gru_mq_desc_mutex_of_xpc_partition_uv [2022-10-17 10:33:18,461 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_cached_activate_gru_mq_desc_mutex_of_xpc_partition_uv [2022-10-17 10:33:18,462 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_msgqueue_ref [2022-10-17 10:33:18,462 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_msgqueue_ref [2022-10-17 10:33:18,462 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_received_payload_uv [2022-10-17 10:33:18,463 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_received_payload_uv [2022-10-17 10:33:18,463 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-10-17 10:33:18,463 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-10-17 10:33:18,463 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_kthread_start [2022-10-17 10:33:18,463 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_kthread_start [2022-10-17 10:33:18,463 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_part_ref [2022-10-17 10:33:18,464 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_part_ref [2022-10-17 10:33:18,464 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_create_kthreads [2022-10-17 10:33:18,464 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_create_kthreads [2022-10-17 10:33:18,464 INFO L130 BoogieDeclarations]: Found specification of procedure msleep_interruptible [2022-10-17 10:33:18,464 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep_interruptible [2022-10-17 10:33:18,464 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_send_local_activate_IRQ_uv [2022-10-17 10:33:18,464 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_send_local_activate_IRQ_uv [2022-10-17 10:33:18,464 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2022-10-17 10:33:18,465 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2022-10-17 10:33:18,465 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_exit_uv [2022-10-17 10:33:18,465 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_exit_uv [2022-10-17 10:33:18,467 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-10-17 10:33:18,467 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-10-17 10:33:18,467 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_put_fifo_entry_uv [2022-10-17 10:33:18,468 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_put_fifo_entry_uv [2022-10-17 10:33:18,468 INFO L130 BoogieDeclarations]: Found specification of procedure uv_blade_to_pnode [2022-10-17 10:33:18,468 INFO L138 BoogieDeclarations]: Found implementation of procedure uv_blade_to_pnode [2022-10-17 10:33:18,469 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_process_activate_IRQ_rcvd_uv [2022-10-17 10:33:18,469 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_process_activate_IRQ_rcvd_uv [2022-10-17 10:33:18,469 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_send_activate_IRQ_uv [2022-10-17 10:33:18,469 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_send_activate_IRQ_uv [2022-10-17 10:33:18,469 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_send_payload_uv [2022-10-17 10:33:18,470 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_send_payload_uv [2022-10-17 10:33:18,470 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_free_msg_slot_uv [2022-10-17 10:33:18,470 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_free_msg_slot_uv [2022-10-17 10:33:18,470 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_cached_activate_gru_mq_desc_mutex_of_xpc_partition_uv [2022-10-17 10:33:18,470 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_cached_activate_gru_mq_desc_mutex_of_xpc_partition_uv [2022-10-17 10:33:18,471 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 10:33:18,471 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_indicate_partition_engaged_uv [2022-10-17 10:33:18,471 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_indicate_partition_engaged_uv [2022-10-17 10:33:18,471 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_process_openclose_chctl_flags [2022-10-17 10:33:18,471 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_process_openclose_chctl_flags [2022-10-17 10:33:18,471 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-17 10:33:18,471 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_process_msg_chctl_flags_uv [2022-10-17 10:33:18,472 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_process_msg_chctl_flags_uv [2022-10-17 10:33:18,472 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2022-10-17 10:33:18,472 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2022-10-17 10:33:18,472 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2022-10-17 10:33:18,472 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_msgqueue_deref [2022-10-17 10:33:18,472 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_msgqueue_deref [2022-10-17 10:33:18,473 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_send_chctl_closereply_uv [2022-10-17 10:33:18,474 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_send_chctl_closereply_uv [2022-10-17 10:33:18,476 INFO L130 BoogieDeclarations]: Found specification of procedure signal_pending [2022-10-17 10:33:18,476 INFO L138 BoogieDeclarations]: Found implementation of procedure signal_pending [2022-10-17 10:33:18,477 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-10-17 10:33:18,477 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-10-17 10:33:18,477 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_connect_channel [2022-10-17 10:33:18,479 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_connect_channel [2022-10-17 10:33:18,479 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_cache_remote_gru_mq_desc_uv [2022-10-17 10:33:18,479 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_cache_remote_gru_mq_desc_uv [2022-10-17 10:33:18,479 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_teardown_ch_structures_uv [2022-10-17 10:33:18,488 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_teardown_ch_structures_uv [2022-10-17 10:33:18,488 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~int [2022-10-17 10:33:18,488 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~int [2022-10-17 10:33:18,488 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 10:33:18,489 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_request_partition_activation_uv [2022-10-17 10:33:18,489 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_request_partition_activation_uv [2022-10-17 10:33:18,489 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_activating [2022-10-17 10:33:18,489 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_activating [2022-10-17 10:33:18,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-10-17 10:33:18,489 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_disconnect_callout [2022-10-17 10:33:18,489 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_disconnect_callout [2022-10-17 10:33:18,489 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_deactivate_partition [2022-10-17 10:33:18,489 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_deactivate_partition [2022-10-17 10:33:18,490 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_indicate_partition_disengaged_uv [2022-10-17 10:33:18,490 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_indicate_partition_disengaged_uv [2022-10-17 10:33:18,490 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_disconnect_channel [2022-10-17 10:33:18,490 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_disconnect_channel [2022-10-17 10:33:18,490 INFO L130 BoogieDeclarations]: Found specification of procedure find_next_bit [2022-10-17 10:33:18,490 INFO L138 BoogieDeclarations]: Found implementation of procedure find_next_bit [2022-10-17 10:33:18,490 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~~TO~int [2022-10-17 10:33:18,490 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~~TO~int [2022-10-17 10:33:18,491 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-10-17 10:33:18,491 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-10-17 10:33:18,491 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-10-17 10:33:18,491 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-10-17 10:33:18,491 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-10-17 10:33:18,491 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-10-17 10:33:18,491 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_channel_mgr [2022-10-17 10:33:18,491 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_channel_mgr [2022-10-17 10:33:18,491 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_save_remote_msgqueue_pa_uv [2022-10-17 10:33:18,492 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_save_remote_msgqueue_pa_uv [2022-10-17 10:33:18,492 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_send_chctl_openrequest_uv [2022-10-17 10:33:18,492 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_send_chctl_openrequest_uv [2022-10-17 10:33:18,492 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_heartbeat_exit_uv [2022-10-17 10:33:18,492 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_heartbeat_exit_uv [2022-10-17 10:33:18,492 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_setup_ch_structures [2022-10-17 10:33:18,492 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_setup_ch_structures [2022-10-17 10:33:18,492 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-10-17 10:33:18,492 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-10-17 10:33:18,493 INFO L130 BoogieDeclarations]: Found specification of procedure free_pages [2022-10-17 10:33:18,493 INFO L138 BoogieDeclarations]: Found implementation of procedure free_pages [2022-10-17 10:33:18,493 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_any_partition_engaged_uv [2022-10-17 10:33:18,493 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_any_partition_engaged_uv [2022-10-17 10:33:18,493 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2022-10-17 10:33:18,493 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2022-10-17 10:33:18,493 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2022-10-17 10:33:18,493 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2022-10-17 10:33:18,494 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-10-17 10:33:18,494 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_get_rsvd_page_pa [2022-10-17 10:33:18,494 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_get_rsvd_page_pa [2022-10-17 10:33:18,494 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_activate_partition [2022-10-17 10:33:18,494 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_activate_partition [2022-10-17 10:33:18,494 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_send_activate_IRQ_part_uv [2022-10-17 10:33:18,494 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_send_activate_IRQ_part_uv [2022-10-17 10:33:18,494 INFO L130 BoogieDeclarations]: Found specification of procedure uv_cpu_to_blade_id [2022-10-17 10:33:18,494 INFO L138 BoogieDeclarations]: Found implementation of procedure uv_cpu_to_blade_id [2022-10-17 10:33:18,495 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_initiate_discovery [2022-10-17 10:33:18,495 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_initiate_discovery [2022-10-17 10:33:18,495 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-10-17 10:33:18,495 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-10-17 10:33:18,495 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_request_partition_reactivation_uv [2022-10-17 10:33:18,495 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_request_partition_reactivation_uv [2022-10-17 10:33:18,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-10-17 10:33:18,495 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_activate_kthreads [2022-10-17 10:33:18,496 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_activate_kthreads [2022-10-17 10:33:18,496 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 10:33:18,496 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_partition_engaged_uv [2022-10-17 10:33:18,496 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_partition_engaged_uv [2022-10-17 10:33:18,496 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2022-10-17 10:33:18,496 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2022-10-17 10:33:18,496 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_send_gru_msg [2022-10-17 10:33:18,496 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_send_gru_msg [2022-10-17 10:33:18,496 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-10-17 10:33:18,497 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-10-17 10:33:18,497 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_create_gru_mq_uv [2022-10-17 10:33:18,497 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_create_gru_mq_uv [2022-10-17 10:33:18,497 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_reboot_notifier [2022-10-17 10:33:18,497 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_reboot_notifier [2022-10-17 10:33:18,497 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_part_deref [2022-10-17 10:33:18,497 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_part_deref [2022-10-17 10:33:18,497 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_send_chctl_closerequest_uv [2022-10-17 10:33:18,498 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_send_chctl_closerequest_uv [2022-10-17 10:33:18,498 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_disallow_all_hbs_uv [2022-10-17 10:33:18,498 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_disallow_all_hbs_uv [2022-10-17 10:33:18,498 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_timeout_partition_disengage [2022-10-17 10:33:18,498 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_timeout_partition_disengage [2022-10-17 10:33:18,498 INFO L130 BoogieDeclarations]: Found specification of procedure cpumask_of_node [2022-10-17 10:33:18,498 INFO L138 BoogieDeclarations]: Found implementation of procedure cpumask_of_node [2022-10-17 10:33:18,498 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_init_mq_node [2022-10-17 10:33:18,498 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_init_mq_node [2022-10-17 10:33:18,499 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_destroy_gru_mq_uv [2022-10-17 10:33:18,499 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_destroy_gru_mq_uv [2022-10-17 10:33:18,501 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_discovery [2022-10-17 10:33:18,501 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_discovery [2022-10-17 10:33:18,501 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_get_partition_rsvd_page_pa_uv [2022-10-17 10:33:18,501 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_get_partition_rsvd_page_pa_uv [2022-10-17 10:33:18,501 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-10-17 10:33:18,501 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-10-17 10:33:18,502 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_send_activate_IRQ_ch_uv [2022-10-17 10:33:18,502 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_send_activate_IRQ_ch_uv [2022-10-17 10:33:18,502 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_increment_heartbeat_uv [2022-10-17 10:33:18,502 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_increment_heartbeat_uv [2022-10-17 10:33:18,502 INFO L130 BoogieDeclarations]: Found specification of procedure put_online_cpus [2022-10-17 10:33:18,502 INFO L138 BoogieDeclarations]: Found implementation of procedure put_online_cpus [2022-10-17 10:33:18,502 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 10:33:18,502 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_process_sent_chctl_flags [2022-10-17 10:33:18,503 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_process_sent_chctl_flags [2022-10-17 10:33:18,503 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_get_remote_heartbeat_uv [2022-10-17 10:33:18,503 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_get_remote_heartbeat_uv [2022-10-17 10:33:18,503 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-10-17 10:33:18,503 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-10-17 10:33:18,503 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_teardown_partitions [2022-10-17 10:33:18,503 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_teardown_partitions [2022-10-17 10:33:18,503 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_process_disconnect [2022-10-17 10:33:18,503 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_process_disconnect [2022-10-17 10:33:18,504 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_do_exit [2022-10-17 10:33:18,504 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_do_exit [2022-10-17 10:33:18,505 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_online_heartbeat_uv [2022-10-17 10:33:18,508 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_online_heartbeat_uv [2022-10-17 10:33:18,508 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_get_fifo_entry_uv [2022-10-17 10:33:18,509 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_get_fifo_entry_uv [2022-10-17 10:33:18,509 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_xpc_registration [2022-10-17 10:33:18,509 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_xpc_registration [2022-10-17 10:33:18,509 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_disallow_hb_uv [2022-10-17 10:33:18,509 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_disallow_hb_uv [2022-10-17 10:33:18,509 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-17 10:33:18,509 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_send_chctl_openreply_uv [2022-10-17 10:33:18,510 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_send_chctl_openreply_uv [2022-10-17 10:33:18,510 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_hb_checker [2022-10-17 10:33:18,511 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_hb_checker [2022-10-17 10:33:18,511 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~~TO~VOID [2022-10-17 10:33:18,511 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~~TO~VOID [2022-10-17 10:33:18,511 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2022-10-17 10:33:18,511 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2022-10-17 10:33:18,511 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_setup_ch_structures_uv [2022-10-17 10:33:18,511 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_setup_ch_structures_uv [2022-10-17 10:33:18,511 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_setup_rsvd_page_uv [2022-10-17 10:33:18,512 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_setup_rsvd_page_uv [2022-10-17 10:33:18,512 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 10:33:18,512 INFO L130 BoogieDeclarations]: Found specification of procedure cpumask_next [2022-10-17 10:33:18,512 INFO L138 BoogieDeclarations]: Found implementation of procedure cpumask_next [2022-10-17 10:33:18,512 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2022-10-17 10:33:18,512 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2022-10-17 10:33:18,512 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_request_partition_deactivation_uv [2022-10-17 10:33:18,512 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_request_partition_deactivation_uv [2022-10-17 10:33:18,512 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_get_chctl_all_flags_uv [2022-10-17 10:33:18,513 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_get_chctl_all_flags_uv [2022-10-17 10:33:18,513 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_gru_mq_watchlist_free_uv [2022-10-17 10:33:18,513 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_gru_mq_watchlist_free_uv [2022-10-17 10:33:18,513 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_partition_going_down [2022-10-17 10:33:18,513 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_partition_going_down [2022-10-17 10:33:18,513 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion [2022-10-17 10:33:18,513 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion [2022-10-17 10:33:18,513 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-17 10:33:18,513 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-10-17 10:33:18,514 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-10-17 10:33:18,514 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-10-17 10:33:18,514 INFO L130 BoogieDeclarations]: Found specification of procedure current_thread_info [2022-10-17 10:33:18,514 INFO L138 BoogieDeclarations]: Found implementation of procedure current_thread_info [2022-10-17 10:33:18,514 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-10-17 10:33:18,514 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-10-17 10:33:18,514 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2022-10-17 10:33:18,514 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2022-10-17 10:33:18,514 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2022-10-17 10:33:18,515 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2022-10-17 10:33:18,515 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_sysctl_table [2022-10-17 10:33:18,515 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_sysctl_table [2022-10-17 10:33:18,515 INFO L130 BoogieDeclarations]: Found specification of procedure uv_gpa [2022-10-17 10:33:18,515 INFO L138 BoogieDeclarations]: Found implementation of procedure uv_gpa [2022-10-17 10:33:18,515 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2022-10-17 10:33:18,515 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2022-10-17 10:33:18,515 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~X~int~X~$Pointer$~X~$Pointer$~TO~VOID [2022-10-17 10:33:18,515 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~X~int~X~$Pointer$~X~$Pointer$~TO~VOID [2022-10-17 10:33:18,516 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_get_deliverable_payload_uv [2022-10-17 10:33:18,516 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_get_deliverable_payload_uv [2022-10-17 10:33:18,516 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_notify_senders_of_disconnect_uv [2022-10-17 10:33:18,516 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_notify_senders_of_disconnect_uv [2022-10-17 10:33:18,516 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_add_return [2022-10-17 10:33:18,516 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_add_return [2022-10-17 10:33:18,516 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_make_first_contact_uv [2022-10-17 10:33:18,516 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_make_first_contact_uv [2022-10-17 10:33:18,516 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_n_of_deliverable_payloads_uv [2022-10-17 10:33:18,516 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_n_of_deliverable_payloads_uv [2022-10-17 10:33:18,517 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2022-10-17 10:33:18,517 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2022-10-17 10:33:18,517 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_get_remote_rp [2022-10-17 10:33:18,517 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_get_remote_rp [2022-10-17 10:33:18,517 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait [2022-10-17 10:33:18,517 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait [2022-10-17 10:33:18,517 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_hb_beater [2022-10-17 10:33:18,517 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_hb_beater [2022-10-17 10:33:18,517 INFO L130 BoogieDeclarations]: Found specification of procedure is_uv_system [2022-10-17 10:33:18,518 INFO L138 BoogieDeclarations]: Found implementation of procedure is_uv_system [2022-10-17 10:33:18,518 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-10-17 10:33:18,518 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-10-17 10:33:18,518 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2022-10-17 10:33:18,518 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2022-10-17 10:33:18,518 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2022-10-17 10:33:18,518 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2022-10-17 10:33:18,518 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 10:33:18,518 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2022-10-17 10:33:18,519 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2022-10-17 10:33:18,519 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2022-10-17 10:33:18,519 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2022-10-17 10:33:18,519 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 10:33:18,519 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 10:33:18,519 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_assume_partition_disengaged_uv [2022-10-17 10:33:18,519 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_assume_partition_disengaged_uv [2022-10-17 10:33:18,519 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-10-17 10:33:18,519 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-10-17 10:33:18,520 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_cancel_partition_deactivation_request_uv [2022-10-17 10:33:18,520 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_cancel_partition_deactivation_request_uv [2022-10-17 10:33:19,569 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 10:33:19,577 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 10:33:32,194 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 10:33:32,218 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 10:33:32,219 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-17 10:33:32,226 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 10:33:32 BoogieIcfgContainer [2022-10-17 10:33:32,226 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 10:33:32,229 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-17 10:33:32,229 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-17 10:33:32,233 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-17 10:33:32,233 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.10 10:33:13" (1/3) ... [2022-10-17 10:33:32,234 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c042d8d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.10 10:33:32, skipping insertion in model container [2022-10-17 10:33:32,234 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:33:17" (2/3) ... [2022-10-17 10:33:32,234 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c042d8d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.10 10:33:32, skipping insertion in model container [2022-10-17 10:33:32,234 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 10:33:32" (3/3) ... [2022-10-17 10:33:32,236 INFO L112 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--misc--sgi-xp--xpc.ko-main.cil.out.i [2022-10-17 10:33:32,255 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-17 10:33:32,255 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-10-17 10:33:32,375 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-17 10:33:32,381 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;@57951e8e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-17 10:33:32,382 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-10-17 10:33:32,396 INFO L276 IsEmpty]: Start isEmpty. Operand has 2844 states, 1936 states have (on average 1.3791322314049588) internal successors, (2670), 2046 states have internal predecessors, (2670), 746 states have call successors, (746), 160 states have call predecessors, (746), 160 states have return successors, (746), 711 states have call predecessors, (746), 746 states have call successors, (746) [2022-10-17 10:33:32,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-10-17 10:33:32,409 INFO L187 NwaCegarLoop]: Found error trace [2022-10-17 10:33:32,410 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-17 10:33:32,410 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-10-17 10:33:32,416 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:33:32,417 INFO L85 PathProgramCache]: Analyzing trace with hash -2015550149, now seen corresponding path program 1 times [2022-10-17 10:33:32,428 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:33:32,429 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1364833005] [2022-10-17 10:33:32,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:33:32,430 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:33:33,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:33:33,409 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:33:33,410 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:33:33,410 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1364833005] [2022-10-17 10:33:33,411 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1364833005] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:33:33,411 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:33:33,411 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-17 10:33:33,413 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [703714036] [2022-10-17 10:33:33,414 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:33:33,418 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-17 10:33:33,419 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:33:33,452 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-17 10:33:33,453 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-17 10:33:33,462 INFO L87 Difference]: Start difference. First operand has 2844 states, 1936 states have (on average 1.3791322314049588) internal successors, (2670), 2046 states have internal predecessors, (2670), 746 states have call successors, (746), 160 states have call predecessors, (746), 160 states have return successors, (746), 711 states have call predecessors, (746), 746 states have call successors, (746) Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (5), 1 states have call predecessors, (5), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:33:34,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 10:33:34,442 INFO L93 Difference]: Finished difference Result 8167 states and 12252 transitions. [2022-10-17 10:33:34,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-17 10:33:34,448 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (5), 1 states have call predecessors, (5), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2022-10-17 10:33:34,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-17 10:33:34,528 INFO L225 Difference]: With dead ends: 8167 [2022-10-17 10:33:34,528 INFO L226 Difference]: Without dead ends: 5302 [2022-10-17 10:33:34,565 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-17 10:33:34,569 INFO L413 NwaCegarLoop]: 6479 mSDtfsCounter, 3539 mSDsluCounter, 3888 mSDsCounter, 0 mSdLazyCounter, 249 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3539 SdHoareTripleChecker+Valid, 10367 SdHoareTripleChecker+Invalid, 251 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 249 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-17 10:33:34,572 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3539 Valid, 10367 Invalid, 251 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 249 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-17 10:33:34,601 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5302 states. [2022-10-17 10:33:34,975 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5302 to 5284. [2022-10-17 10:33:34,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5284 states, 3580 states have (on average 1.3550279329608939) internal successors, (4851), 3787 states have internal predecessors, (4851), 1388 states have call successors, (1388), 316 states have call predecessors, (1388), 315 states have return successors, (1379), 1308 states have call predecessors, (1379), 1379 states have call successors, (1379) [2022-10-17 10:33:35,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5284 states to 5284 states and 7618 transitions. [2022-10-17 10:33:35,051 INFO L78 Accepts]: Start accepts. Automaton has 5284 states and 7618 transitions. Word has length 20 [2022-10-17 10:33:35,052 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-17 10:33:35,052 INFO L495 AbstractCegarLoop]: Abstraction has 5284 states and 7618 transitions. [2022-10-17 10:33:35,052 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (5), 1 states have call predecessors, (5), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:33:35,053 INFO L276 IsEmpty]: Start isEmpty. Operand 5284 states and 7618 transitions. [2022-10-17 10:33:35,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-10-17 10:33:35,063 INFO L187 NwaCegarLoop]: Found error trace [2022-10-17 10:33:35,063 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-17 10:33:35,063 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-17 10:33:35,064 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-10-17 10:33:35,064 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:33:35,064 INFO L85 PathProgramCache]: Analyzing trace with hash 1108954705, now seen corresponding path program 1 times [2022-10-17 10:33:35,065 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:33:35,069 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [634610960] [2022-10-17 10:33:35,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:33:35,070 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:33:35,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:33:35,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-10-17 10:33:35,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:33:35,486 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:33:35,487 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:33:35,487 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [634610960] [2022-10-17 10:33:35,487 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [634610960] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:33:35,488 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:33:35,488 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-17 10:33:35,488 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1935336174] [2022-10-17 10:33:35,488 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:33:35,490 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-17 10:33:35,491 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:33:35,491 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-17 10:33:35,492 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-17 10:33:35,492 INFO L87 Difference]: Start difference. First operand 5284 states and 7618 transitions. Second operand has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-10-17 10:33:35,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 10:33:35,842 INFO L93 Difference]: Finished difference Result 5311 states and 7652 transitions. [2022-10-17 10:33:35,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-17 10:33:35,842 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 24 [2022-10-17 10:33:35,843 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-17 10:33:35,899 INFO L225 Difference]: With dead ends: 5311 [2022-10-17 10:33:35,900 INFO L226 Difference]: Without dead ends: 5298 [2022-10-17 10:33:35,905 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-17 10:33:35,907 INFO L413 NwaCegarLoop]: 4134 mSDtfsCounter, 4114 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4114 SdHoareTripleChecker+Valid, 4150 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-17 10:33:35,908 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4114 Valid, 4150 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-17 10:33:35,921 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5298 states. [2022-10-17 10:33:36,312 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5298 to 5285. [2022-10-17 10:33:36,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5285 states, 3581 states have (on average 1.3549287908405474) internal successors, (4852), 3788 states have internal predecessors, (4852), 1388 states have call successors, (1388), 316 states have call predecessors, (1388), 315 states have return successors, (1379), 1308 states have call predecessors, (1379), 1379 states have call successors, (1379) [2022-10-17 10:33:36,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5285 states to 5285 states and 7619 transitions. [2022-10-17 10:33:36,371 INFO L78 Accepts]: Start accepts. Automaton has 5285 states and 7619 transitions. Word has length 24 [2022-10-17 10:33:36,371 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-17 10:33:36,371 INFO L495 AbstractCegarLoop]: Abstraction has 5285 states and 7619 transitions. [2022-10-17 10:33:36,371 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-10-17 10:33:36,371 INFO L276 IsEmpty]: Start isEmpty. Operand 5285 states and 7619 transitions. [2022-10-17 10:33:36,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-10-17 10:33:36,373 INFO L187 NwaCegarLoop]: Found error trace [2022-10-17 10:33:36,373 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-17 10:33:36,373 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-17 10:33:36,373 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-10-17 10:33:36,374 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:33:36,374 INFO L85 PathProgramCache]: Analyzing trace with hash 1166213007, now seen corresponding path program 1 times [2022-10-17 10:33:36,374 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:33:36,374 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1878818794] [2022-10-17 10:33:36,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:33:36,375 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:33:36,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:33:36,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-10-17 10:33:36,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:33:36,739 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:33:36,739 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:33:36,742 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1878818794] [2022-10-17 10:33:36,742 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1878818794] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:33:36,742 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:33:36,742 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-17 10:33:36,743 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2093922672] [2022-10-17 10:33:36,746 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:33:36,747 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-17 10:33:36,748 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:33:36,749 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-17 10:33:36,749 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-17 10:33:36,749 INFO L87 Difference]: Start difference. First operand 5285 states and 7619 transitions. Second operand has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-10-17 10:33:37,118 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 10:33:37,118 INFO L93 Difference]: Finished difference Result 5455 states and 7815 transitions. [2022-10-17 10:33:37,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-17 10:33:37,119 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 24 [2022-10-17 10:33:37,119 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-17 10:33:37,171 INFO L225 Difference]: With dead ends: 5455 [2022-10-17 10:33:37,171 INFO L226 Difference]: Without dead ends: 5451 [2022-10-17 10:33:37,176 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-17 10:33:37,179 INFO L413 NwaCegarLoop]: 4153 mSDtfsCounter, 4033 mSDsluCounter, 158 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4033 SdHoareTripleChecker+Valid, 4311 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-17 10:33:37,181 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4033 Valid, 4311 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-17 10:33:37,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5451 states. [2022-10-17 10:33:37,554 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5451 to 5449. [2022-10-17 10:33:37,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5449 states, 3711 states have (on average 1.3524656426839128) internal successors, (5019), 3916 states have internal predecessors, (5019), 1398 states have call successors, (1398), 340 states have call predecessors, (1398), 339 states have return successors, (1391), 1320 states have call predecessors, (1391), 1391 states have call successors, (1391) [2022-10-17 10:33:37,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5449 states to 5449 states and 7808 transitions. [2022-10-17 10:33:37,710 INFO L78 Accepts]: Start accepts. Automaton has 5449 states and 7808 transitions. Word has length 24 [2022-10-17 10:33:37,710 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-17 10:33:37,710 INFO L495 AbstractCegarLoop]: Abstraction has 5449 states and 7808 transitions. [2022-10-17 10:33:37,711 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-10-17 10:33:37,711 INFO L276 IsEmpty]: Start isEmpty. Operand 5449 states and 7808 transitions. [2022-10-17 10:33:37,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-10-17 10:33:37,713 INFO L187 NwaCegarLoop]: Found error trace [2022-10-17 10:33:37,713 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-17 10:33:37,714 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-17 10:33:37,714 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-10-17 10:33:37,715 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:33:37,715 INFO L85 PathProgramCache]: Analyzing trace with hash 1791446493, now seen corresponding path program 1 times [2022-10-17 10:33:37,715 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:33:37,715 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1719314965] [2022-10-17 10:33:37,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:33:37,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:33:37,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:33:38,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-10-17 10:33:38,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:33:38,101 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:33:38,101 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:33:38,101 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1719314965] [2022-10-17 10:33:38,102 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1719314965] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:33:38,102 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:33:38,102 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-17 10:33:38,102 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [295190725] [2022-10-17 10:33:38,102 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:33:38,103 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-17 10:33:38,103 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:33:38,104 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-17 10:33:38,104 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-17 10:33:38,104 INFO L87 Difference]: Start difference. First operand 5449 states and 7808 transitions. Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-10-17 10:33:38,500 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 10:33:38,500 INFO L93 Difference]: Finished difference Result 5451 states and 7809 transitions. [2022-10-17 10:33:38,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-17 10:33:38,501 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 25 [2022-10-17 10:33:38,501 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-17 10:33:38,551 INFO L225 Difference]: With dead ends: 5451 [2022-10-17 10:33:38,551 INFO L226 Difference]: Without dead ends: 5448 [2022-10-17 10:33:38,555 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-17 10:33:38,562 INFO L413 NwaCegarLoop]: 4112 mSDtfsCounter, 4094 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4094 SdHoareTripleChecker+Valid, 4112 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-17 10:33:38,564 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4094 Valid, 4112 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-17 10:33:38,574 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5448 states. [2022-10-17 10:33:38,935 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5448 to 5448. [2022-10-17 10:33:38,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5448 states, 3711 states have (on average 1.3521961735381298) internal successors, (5018), 3915 states have internal predecessors, (5018), 1397 states have call successors, (1397), 340 states have call predecessors, (1397), 339 states have return successors, (1391), 1320 states have call predecessors, (1391), 1391 states have call successors, (1391) [2022-10-17 10:33:38,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5448 states to 5448 states and 7806 transitions. [2022-10-17 10:33:38,980 INFO L78 Accepts]: Start accepts. Automaton has 5448 states and 7806 transitions. Word has length 25 [2022-10-17 10:33:38,980 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-17 10:33:38,980 INFO L495 AbstractCegarLoop]: Abstraction has 5448 states and 7806 transitions. [2022-10-17 10:33:38,981 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-10-17 10:33:38,981 INFO L276 IsEmpty]: Start isEmpty. Operand 5448 states and 7806 transitions. [2022-10-17 10:33:38,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-10-17 10:33:38,983 INFO L187 NwaCegarLoop]: Found error trace [2022-10-17 10:33:38,983 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-17 10:33:38,983 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-17 10:33:38,983 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-10-17 10:33:38,984 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:33:38,984 INFO L85 PathProgramCache]: Analyzing trace with hash -301147054, now seen corresponding path program 1 times [2022-10-17 10:33:38,984 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:33:38,984 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [647309119] [2022-10-17 10:33:38,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:33:38,985 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:33:39,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:33:39,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-10-17 10:33:39,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:33:39,415 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:33:39,416 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:33:39,416 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [647309119] [2022-10-17 10:33:39,416 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [647309119] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:33:39,416 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:33:39,416 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-17 10:33:39,417 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1707875099] [2022-10-17 10:33:39,417 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:33:39,417 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-17 10:33:39,417 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:33:39,418 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-17 10:33:39,418 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-17 10:33:39,419 INFO L87 Difference]: Start difference. First operand 5448 states and 7806 transitions. Second operand has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-10-17 10:33:39,959 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 10:33:39,960 INFO L93 Difference]: Finished difference Result 5450 states and 7807 transitions. [2022-10-17 10:33:39,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-17 10:33:39,960 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 26 [2022-10-17 10:33:39,961 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-17 10:33:40,012 INFO L225 Difference]: With dead ends: 5450 [2022-10-17 10:33:40,013 INFO L226 Difference]: Without dead ends: 5447 [2022-10-17 10:33:40,017 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-17 10:33:40,018 INFO L413 NwaCegarLoop]: 4110 mSDtfsCounter, 4091 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4091 SdHoareTripleChecker+Valid, 4110 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-17 10:33:40,019 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4091 Valid, 4110 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-17 10:33:40,030 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5447 states. [2022-10-17 10:33:40,431 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5447 to 5447. [2022-10-17 10:33:40,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5447 states, 3711 states have (on average 1.351926704392347) internal successors, (5017), 3914 states have internal predecessors, (5017), 1396 states have call successors, (1396), 340 states have call predecessors, (1396), 339 states have return successors, (1391), 1320 states have call predecessors, (1391), 1391 states have call successors, (1391) [2022-10-17 10:33:40,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5447 states to 5447 states and 7804 transitions. [2022-10-17 10:33:40,474 INFO L78 Accepts]: Start accepts. Automaton has 5447 states and 7804 transitions. Word has length 26 [2022-10-17 10:33:40,474 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-17 10:33:40,474 INFO L495 AbstractCegarLoop]: Abstraction has 5447 states and 7804 transitions. [2022-10-17 10:33:40,475 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-10-17 10:33:40,475 INFO L276 IsEmpty]: Start isEmpty. Operand 5447 states and 7804 transitions. [2022-10-17 10:33:40,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-10-17 10:33:40,476 INFO L187 NwaCegarLoop]: Found error trace [2022-10-17 10:33:40,477 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-17 10:33:40,477 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-17 10:33:40,477 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-10-17 10:33:40,477 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:33:40,478 INFO L85 PathProgramCache]: Analyzing trace with hash -747032704, now seen corresponding path program 1 times [2022-10-17 10:33:40,478 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:33:40,478 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1222069054] [2022-10-17 10:33:40,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:33:40,478 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:33:40,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:33:40,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-10-17 10:33:40,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:33:40,792 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:33:40,792 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:33:40,792 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1222069054] [2022-10-17 10:33:40,792 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1222069054] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:33:40,792 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:33:40,792 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-17 10:33:40,792 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1774238909] [2022-10-17 10:33:40,793 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:33:40,793 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-17 10:33:40,793 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:33:40,793 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-17 10:33:40,794 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-17 10:33:40,794 INFO L87 Difference]: Start difference. First operand 5447 states and 7804 transitions. Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-10-17 10:33:41,304 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 10:33:41,305 INFO L93 Difference]: Finished difference Result 5449 states and 7805 transitions. [2022-10-17 10:33:41,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-17 10:33:41,305 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 27 [2022-10-17 10:33:41,305 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-17 10:33:41,338 INFO L225 Difference]: With dead ends: 5449 [2022-10-17 10:33:41,338 INFO L226 Difference]: Without dead ends: 5446 [2022-10-17 10:33:41,340 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-17 10:33:41,341 INFO L413 NwaCegarLoop]: 4108 mSDtfsCounter, 4088 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4088 SdHoareTripleChecker+Valid, 4108 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-17 10:33:41,341 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4088 Valid, 4108 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-17 10:33:41,351 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5446 states. [2022-10-17 10:33:41,715 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5446 to 5446. [2022-10-17 10:33:41,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5446 states, 3711 states have (on average 1.3516572352465643) internal successors, (5016), 3913 states have internal predecessors, (5016), 1395 states have call successors, (1395), 340 states have call predecessors, (1395), 339 states have return successors, (1391), 1320 states have call predecessors, (1391), 1391 states have call successors, (1391) [2022-10-17 10:33:41,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5446 states to 5446 states and 7802 transitions. [2022-10-17 10:33:41,763 INFO L78 Accepts]: Start accepts. Automaton has 5446 states and 7802 transitions. Word has length 27 [2022-10-17 10:33:41,765 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-17 10:33:41,765 INFO L495 AbstractCegarLoop]: Abstraction has 5446 states and 7802 transitions. [2022-10-17 10:33:41,765 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-10-17 10:33:41,765 INFO L276 IsEmpty]: Start isEmpty. Operand 5446 states and 7802 transitions. [2022-10-17 10:33:41,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-10-17 10:33:41,769 INFO L187 NwaCegarLoop]: Found error trace [2022-10-17 10:33:41,769 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-17 10:33:41,770 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-17 10:33:41,770 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-10-17 10:33:41,770 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:33:41,770 INFO L85 PathProgramCache]: Analyzing trace with hash -1684581099, now seen corresponding path program 1 times [2022-10-17 10:33:41,770 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:33:41,771 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [907953709] [2022-10-17 10:33:41,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:33:41,771 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:33:41,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat