./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 c3fed411 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--misc--sgi-xp--xpc.ko-main.cil.out.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash fc0d7108b14cf7ade4256acdb7ea5c36ccda70628af318ac7331527caf0f1ef8 --- Real Ultimate output --- This is Ultimate 0.2.2-tmp.no-commuhash-c3fed41 [2021-12-16 03:51:29,385 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-16 03:51:29,387 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-16 03:51:29,408 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-16 03:51:29,409 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-16 03:51:29,412 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-16 03:51:29,414 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-16 03:51:29,418 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-16 03:51:29,420 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-16 03:51:29,423 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-16 03:51:29,423 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-16 03:51:29,425 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-16 03:51:29,425 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-16 03:51:29,430 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-16 03:51:29,431 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-16 03:51:29,432 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-16 03:51:29,435 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-16 03:51:29,436 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-16 03:51:29,437 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-16 03:51:29,440 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-16 03:51:29,441 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-16 03:51:29,443 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-16 03:51:29,444 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-16 03:51:29,445 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-16 03:51:29,446 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-16 03:51:29,448 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-16 03:51:29,448 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-16 03:51:29,449 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-16 03:51:29,450 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-16 03:51:29,450 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-16 03:51:29,451 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-16 03:51:29,451 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-16 03:51:29,452 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-16 03:51:29,453 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-16 03:51:29,454 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-16 03:51:29,454 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-16 03:51:29,455 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-16 03:51:29,455 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-16 03:51:29,455 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-16 03:51:29,456 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-16 03:51:29,456 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-16 03:51:29,457 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-16 03:51:29,478 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-16 03:51:29,478 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-16 03:51:29,479 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-16 03:51:29,479 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-16 03:51:29,480 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-16 03:51:29,480 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-16 03:51:29,480 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-16 03:51:29,480 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-16 03:51:29,480 INFO L138 SettingsManager]: * Use SBE=true [2021-12-16 03:51:29,481 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-16 03:51:29,481 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-16 03:51:29,481 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-16 03:51:29,481 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-16 03:51:29,482 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-16 03:51:29,482 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-16 03:51:29,482 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-16 03:51:29,482 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-16 03:51:29,482 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-16 03:51:29,482 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-16 03:51:29,482 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-16 03:51:29,483 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-16 03:51:29,483 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-16 03:51:29,483 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-16 03:51:29,483 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-16 03:51:29,483 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-16 03:51:29,483 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-16 03:51:29,483 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-16 03:51:29,484 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-16 03:51:29,484 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-16 03:51:29,484 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-16 03:51:29,484 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-16 03:51:29,484 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fc0d7108b14cf7ade4256acdb7ea5c36ccda70628af318ac7331527caf0f1ef8 [2021-12-16 03:51:29,690 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-16 03:51:29,715 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-16 03:51:29,717 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-16 03:51:29,718 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-16 03:51:29,718 INFO L275 PluginConnector]: CDTParser initialized [2021-12-16 03:51:29,719 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--misc--sgi-xp--xpc.ko-main.cil.out.i [2021-12-16 03:51:29,794 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1d1c6cb18/74a22a596e3347feb189801c7f99565f/FLAG4cc102fa4 [2021-12-16 03:51:30,433 INFO L306 CDTParser]: Found 1 translation units. [2021-12-16 03:51:30,435 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--misc--sgi-xp--xpc.ko-main.cil.out.i [2021-12-16 03:51:30,473 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1d1c6cb18/74a22a596e3347feb189801c7f99565f/FLAG4cc102fa4 [2021-12-16 03:51:30,792 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1d1c6cb18/74a22a596e3347feb189801c7f99565f [2021-12-16 03:51:30,794 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-16 03:51:30,795 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-16 03:51:30,796 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-16 03:51:30,796 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-16 03:51:30,799 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-16 03:51:30,799 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 03:51:30" (1/1) ... [2021-12-16 03:51:30,801 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@be066a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:51:30, skipping insertion in model container [2021-12-16 03:51:30,801 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 03:51:30" (1/1) ... [2021-12-16 03:51:30,806 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-16 03:51:30,907 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-16 03:51:32,724 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--misc--sgi-xp--xpc.ko-main.cil.out.i[329752,329765] [2021-12-16 03:51:32,824 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-16 03:51:32,869 INFO L203 MainTranslator]: Completed pre-run [2021-12-16 03:51:33,109 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--misc--sgi-xp--xpc.ko-main.cil.out.i[329752,329765] [2021-12-16 03:51:33,117 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-16 03:51:33,241 INFO L208 MainTranslator]: Completed translation [2021-12-16 03:51:33,243 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:51:33 WrapperNode [2021-12-16 03:51:33,243 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-16 03:51:33,244 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-16 03:51:33,244 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-16 03:51:33,245 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-16 03:51:33,249 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:51:33" (1/1) ... [2021-12-16 03:51:33,318 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:51:33" (1/1) ... [2021-12-16 03:51:33,503 INFO L137 Inliner]: procedures = 380, calls = 3772, calls flagged for inlining = 111, calls inlined = 106, statements flattened = 6716 [2021-12-16 03:51:33,504 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-16 03:51:33,505 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-16 03:51:33,505 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-16 03:51:33,505 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-16 03:51:33,514 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:51:33" (1/1) ... [2021-12-16 03:51:33,514 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:51:33" (1/1) ... [2021-12-16 03:51:33,574 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:51:33" (1/1) ... [2021-12-16 03:51:33,575 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:51:33" (1/1) ... [2021-12-16 03:51:33,671 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:51:33" (1/1) ... [2021-12-16 03:51:33,747 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:51:33" (1/1) ... [2021-12-16 03:51:33,783 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:51:33" (1/1) ... [2021-12-16 03:51:33,814 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-16 03:51:33,815 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-16 03:51:33,815 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-16 03:51:33,816 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-16 03:51:33,816 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:51:33" (1/1) ... [2021-12-16 03:51:33,825 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-16 03:51:33,832 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 03:51:33,843 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-16 03:51:33,864 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-16 03:51:33,878 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_setup_msg_structures_uv [2021-12-16 03:51:33,878 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_setup_msg_structures_uv [2021-12-16 03:51:33,878 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2021-12-16 03:51:33,878 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2021-12-16 03:51:33,878 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_heartbeat_init_uv [2021-12-16 03:51:33,879 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_heartbeat_init_uv [2021-12-16 03:51:33,879 INFO L130 BoogieDeclarations]: Found specification of procedure __cmpxchg_wrong_size [2021-12-16 03:51:33,879 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_allow_hb_uv [2021-12-16 03:51:33,879 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_allow_hb_uv [2021-12-16 03:51:33,879 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_teardown_partitions_uv [2021-12-16 03:51:33,879 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_teardown_partitions_uv [2021-12-16 03:51:33,879 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_kthread_waitmsgs [2021-12-16 03:51:33,879 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_kthread_waitmsgs [2021-12-16 03:51:33,880 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_send_chctl_opencomplete_uv [2021-12-16 03:51:33,880 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_send_chctl_opencomplete_uv [2021-12-16 03:51:33,880 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-16 03:51:33,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-16 03:51:33,880 INFO L130 BoogieDeclarations]: Found specification of procedure wake_up_process [2021-12-16 03:51:33,880 INFO L138 BoogieDeclarations]: Found implementation of procedure wake_up_process [2021-12-16 03:51:33,880 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_teardown_msg_structures_uv [2021-12-16 03:51:33,880 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_teardown_msg_structures_uv [2021-12-16 03:51:33,881 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_teardown_rsvd_page [2021-12-16 03:51:33,881 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_teardown_rsvd_page [2021-12-16 03:51:33,881 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_partition_disengaged [2021-12-16 03:51:33,881 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_partition_disengaged [2021-12-16 03:51:33,881 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_wakeup_channel_mgr [2021-12-16 03:51:33,881 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_wakeup_channel_mgr [2021-12-16 03:51:33,881 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2021-12-16 03:51:33,881 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2021-12-16 03:51:33,882 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2021-12-16 03:51:33,882 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2021-12-16 03:51:33,882 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_sub_return [2021-12-16 03:51:33,882 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_sub_return [2021-12-16 03:51:33,882 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-16 03:51:33,882 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-16 03:51:33,882 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_kmalloc_cacheline_aligned [2021-12-16 03:51:33,882 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_kmalloc_cacheline_aligned [2021-12-16 03:51:33,883 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_setup_partitions_uv [2021-12-16 03:51:33,883 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_setup_partitions_uv [2021-12-16 03:51:33,883 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_offline_heartbeat_uv [2021-12-16 03:51:33,883 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_offline_heartbeat_uv [2021-12-16 03:51:33,883 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_release_gru_mq_irq_uv [2021-12-16 03:51:33,884 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_release_gru_mq_irq_uv [2021-12-16 03:51:33,884 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~X~int~TO~int [2021-12-16 03:51:33,884 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~X~int~TO~int [2021-12-16 03:51:33,884 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2021-12-16 03:51:33,884 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_notify_sender_uv [2021-12-16 03:51:33,884 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_notify_sender_uv [2021-12-16 03:51:33,885 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_die_deactivate [2021-12-16 03:51:33,885 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_die_deactivate [2021-12-16 03:51:33,885 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_process_connect [2021-12-16 03:51:33,885 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_process_connect [2021-12-16 03:51:33,885 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2021-12-16 03:51:33,885 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2021-12-16 03:51:33,886 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_trylock [2021-12-16 03:51:33,886 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_trylock [2021-12-16 03:51:33,886 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_die_notifier [2021-12-16 03:51:33,887 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_die_notifier [2021-12-16 03:51:33,887 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_check_remote_hb [2021-12-16 03:51:33,887 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_check_remote_hb [2021-12-16 03:51:33,887 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-12-16 03:51:33,887 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-12-16 03:51:33,888 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-16 03:51:33,888 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-16 03:51:33,888 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_init_fifo_uv [2021-12-16 03:51:33,888 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_init_fifo_uv [2021-12-16 03:51:33,888 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_cached_activate_gru_mq_desc_mutex_of_xpc_partition_uv [2021-12-16 03:51:33,888 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_cached_activate_gru_mq_desc_mutex_of_xpc_partition_uv [2021-12-16 03:51:33,888 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_msgqueue_ref [2021-12-16 03:51:33,888 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_msgqueue_ref [2021-12-16 03:51:33,889 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_received_payload_uv [2021-12-16 03:51:33,889 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_received_payload_uv [2021-12-16 03:51:33,889 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2021-12-16 03:51:33,889 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2021-12-16 03:51:33,890 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_kthread_start [2021-12-16 03:51:33,890 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_kthread_start [2021-12-16 03:51:33,890 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_part_ref [2021-12-16 03:51:33,890 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_part_ref [2021-12-16 03:51:33,890 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_create_kthreads [2021-12-16 03:51:33,890 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_create_kthreads [2021-12-16 03:51:33,890 INFO L130 BoogieDeclarations]: Found specification of procedure msleep_interruptible [2021-12-16 03:51:33,890 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep_interruptible [2021-12-16 03:51:33,891 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_send_local_activate_IRQ_uv [2021-12-16 03:51:33,891 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_send_local_activate_IRQ_uv [2021-12-16 03:51:33,891 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2021-12-16 03:51:33,891 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2021-12-16 03:51:33,891 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_exit_uv [2021-12-16 03:51:33,891 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_exit_uv [2021-12-16 03:51:33,892 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-16 03:51:33,892 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-16 03:51:33,892 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_put_fifo_entry_uv [2021-12-16 03:51:33,892 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_put_fifo_entry_uv [2021-12-16 03:51:33,892 INFO L130 BoogieDeclarations]: Found specification of procedure uv_blade_to_pnode [2021-12-16 03:51:33,892 INFO L138 BoogieDeclarations]: Found implementation of procedure uv_blade_to_pnode [2021-12-16 03:51:33,893 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_process_activate_IRQ_rcvd_uv [2021-12-16 03:51:33,893 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_process_activate_IRQ_rcvd_uv [2021-12-16 03:51:33,893 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_send_activate_IRQ_uv [2021-12-16 03:51:33,893 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_send_activate_IRQ_uv [2021-12-16 03:51:33,893 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_send_payload_uv [2021-12-16 03:51:33,894 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_send_payload_uv [2021-12-16 03:51:33,894 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_free_msg_slot_uv [2021-12-16 03:51:33,894 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_free_msg_slot_uv [2021-12-16 03:51:33,894 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_cached_activate_gru_mq_desc_mutex_of_xpc_partition_uv [2021-12-16 03:51:33,894 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_cached_activate_gru_mq_desc_mutex_of_xpc_partition_uv [2021-12-16 03:51:33,895 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-16 03:51:33,895 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_indicate_partition_engaged_uv [2021-12-16 03:51:33,895 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_indicate_partition_engaged_uv [2021-12-16 03:51:33,895 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_process_openclose_chctl_flags [2021-12-16 03:51:33,895 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_process_openclose_chctl_flags [2021-12-16 03:51:33,895 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-16 03:51:33,895 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_process_msg_chctl_flags_uv [2021-12-16 03:51:33,895 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_process_msg_chctl_flags_uv [2021-12-16 03:51:33,896 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2021-12-16 03:51:33,896 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2021-12-16 03:51:33,896 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2021-12-16 03:51:33,896 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_msgqueue_deref [2021-12-16 03:51:33,896 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_msgqueue_deref [2021-12-16 03:51:33,897 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_send_chctl_closereply_uv [2021-12-16 03:51:33,897 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_send_chctl_closereply_uv [2021-12-16 03:51:33,899 INFO L130 BoogieDeclarations]: Found specification of procedure signal_pending [2021-12-16 03:51:33,899 INFO L138 BoogieDeclarations]: Found implementation of procedure signal_pending [2021-12-16 03:51:33,899 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-12-16 03:51:33,900 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-12-16 03:51:33,901 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_connect_channel [2021-12-16 03:51:33,901 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_connect_channel [2021-12-16 03:51:33,902 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_cache_remote_gru_mq_desc_uv [2021-12-16 03:51:33,902 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_cache_remote_gru_mq_desc_uv [2021-12-16 03:51:33,902 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_teardown_ch_structures_uv [2021-12-16 03:51:33,908 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_teardown_ch_structures_uv [2021-12-16 03:51:33,908 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~int [2021-12-16 03:51:33,908 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~int [2021-12-16 03:51:33,908 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-16 03:51:33,908 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_request_partition_activation_uv [2021-12-16 03:51:33,909 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_request_partition_activation_uv [2021-12-16 03:51:33,909 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_activating [2021-12-16 03:51:33,909 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_activating [2021-12-16 03:51:33,909 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-16 03:51:33,909 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_disconnect_callout [2021-12-16 03:51:33,909 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_disconnect_callout [2021-12-16 03:51:33,909 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_deactivate_partition [2021-12-16 03:51:33,909 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_deactivate_partition [2021-12-16 03:51:33,910 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_indicate_partition_disengaged_uv [2021-12-16 03:51:33,910 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_indicate_partition_disengaged_uv [2021-12-16 03:51:33,910 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_disconnect_channel [2021-12-16 03:51:33,910 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_disconnect_channel [2021-12-16 03:51:33,910 INFO L130 BoogieDeclarations]: Found specification of procedure find_next_bit [2021-12-16 03:51:33,910 INFO L138 BoogieDeclarations]: Found implementation of procedure find_next_bit [2021-12-16 03:51:33,910 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~~TO~int [2021-12-16 03:51:33,910 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~~TO~int [2021-12-16 03:51:33,910 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-12-16 03:51:33,911 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-12-16 03:51:33,911 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-12-16 03:51:33,911 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-12-16 03:51:33,911 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2021-12-16 03:51:33,911 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2021-12-16 03:51:33,911 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_channel_mgr [2021-12-16 03:51:33,911 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_channel_mgr [2021-12-16 03:51:33,911 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_save_remote_msgqueue_pa_uv [2021-12-16 03:51:33,911 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_save_remote_msgqueue_pa_uv [2021-12-16 03:51:33,912 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_send_chctl_openrequest_uv [2021-12-16 03:51:33,912 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_send_chctl_openrequest_uv [2021-12-16 03:51:33,912 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_heartbeat_exit_uv [2021-12-16 03:51:33,912 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_heartbeat_exit_uv [2021-12-16 03:51:33,912 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_setup_ch_structures [2021-12-16 03:51:33,912 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_setup_ch_structures [2021-12-16 03:51:33,912 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-12-16 03:51:33,912 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-12-16 03:51:33,912 INFO L130 BoogieDeclarations]: Found specification of procedure free_pages [2021-12-16 03:51:33,913 INFO L138 BoogieDeclarations]: Found implementation of procedure free_pages [2021-12-16 03:51:33,913 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_any_partition_engaged_uv [2021-12-16 03:51:33,913 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_any_partition_engaged_uv [2021-12-16 03:51:33,913 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2021-12-16 03:51:33,913 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2021-12-16 03:51:33,913 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2021-12-16 03:51:33,913 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2021-12-16 03:51:33,913 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-16 03:51:33,913 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_get_rsvd_page_pa [2021-12-16 03:51:33,914 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_get_rsvd_page_pa [2021-12-16 03:51:33,914 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_activate_partition [2021-12-16 03:51:33,914 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_activate_partition [2021-12-16 03:51:33,914 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_send_activate_IRQ_part_uv [2021-12-16 03:51:33,914 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_send_activate_IRQ_part_uv [2021-12-16 03:51:33,914 INFO L130 BoogieDeclarations]: Found specification of procedure uv_cpu_to_blade_id [2021-12-16 03:51:33,914 INFO L138 BoogieDeclarations]: Found implementation of procedure uv_cpu_to_blade_id [2021-12-16 03:51:33,914 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_initiate_discovery [2021-12-16 03:51:33,914 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_initiate_discovery [2021-12-16 03:51:33,915 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-12-16 03:51:33,915 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-12-16 03:51:33,915 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_request_partition_reactivation_uv [2021-12-16 03:51:33,915 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_request_partition_reactivation_uv [2021-12-16 03:51:33,915 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-16 03:51:33,915 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_activate_kthreads [2021-12-16 03:51:33,915 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_activate_kthreads [2021-12-16 03:51:33,915 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-16 03:51:33,916 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_partition_engaged_uv [2021-12-16 03:51:33,916 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_partition_engaged_uv [2021-12-16 03:51:33,916 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2021-12-16 03:51:33,916 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2021-12-16 03:51:33,916 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_send_gru_msg [2021-12-16 03:51:33,916 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_send_gru_msg [2021-12-16 03:51:33,916 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-16 03:51:33,917 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-16 03:51:33,917 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_create_gru_mq_uv [2021-12-16 03:51:33,917 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_create_gru_mq_uv [2021-12-16 03:51:33,917 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_reboot_notifier [2021-12-16 03:51:33,917 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_reboot_notifier [2021-12-16 03:51:33,917 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_part_deref [2021-12-16 03:51:33,918 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_part_deref [2021-12-16 03:51:33,918 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_send_chctl_closerequest_uv [2021-12-16 03:51:33,918 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_send_chctl_closerequest_uv [2021-12-16 03:51:33,918 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_disallow_all_hbs_uv [2021-12-16 03:51:33,918 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_disallow_all_hbs_uv [2021-12-16 03:51:33,918 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_timeout_partition_disengage [2021-12-16 03:51:33,918 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_timeout_partition_disengage [2021-12-16 03:51:33,918 INFO L130 BoogieDeclarations]: Found specification of procedure cpumask_of_node [2021-12-16 03:51:33,918 INFO L138 BoogieDeclarations]: Found implementation of procedure cpumask_of_node [2021-12-16 03:51:33,919 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_init_mq_node [2021-12-16 03:51:33,919 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_init_mq_node [2021-12-16 03:51:33,919 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_destroy_gru_mq_uv [2021-12-16 03:51:33,919 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_destroy_gru_mq_uv [2021-12-16 03:51:33,919 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_discovery [2021-12-16 03:51:33,919 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_discovery [2021-12-16 03:51:33,919 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_get_partition_rsvd_page_pa_uv [2021-12-16 03:51:33,919 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_get_partition_rsvd_page_pa_uv [2021-12-16 03:51:33,919 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-16 03:51:33,920 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-16 03:51:33,920 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_send_activate_IRQ_ch_uv [2021-12-16 03:51:33,920 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_send_activate_IRQ_ch_uv [2021-12-16 03:51:33,920 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_increment_heartbeat_uv [2021-12-16 03:51:33,920 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_increment_heartbeat_uv [2021-12-16 03:51:33,920 INFO L130 BoogieDeclarations]: Found specification of procedure put_online_cpus [2021-12-16 03:51:33,920 INFO L138 BoogieDeclarations]: Found implementation of procedure put_online_cpus [2021-12-16 03:51:33,920 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-16 03:51:33,920 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_process_sent_chctl_flags [2021-12-16 03:51:33,921 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_process_sent_chctl_flags [2021-12-16 03:51:33,921 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_get_remote_heartbeat_uv [2021-12-16 03:51:33,921 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_get_remote_heartbeat_uv [2021-12-16 03:51:33,921 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-16 03:51:33,921 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-16 03:51:33,921 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_teardown_partitions [2021-12-16 03:51:33,921 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_teardown_partitions [2021-12-16 03:51:33,921 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_process_disconnect [2021-12-16 03:51:33,921 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_process_disconnect [2021-12-16 03:51:33,922 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_do_exit [2021-12-16 03:51:33,922 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_do_exit [2021-12-16 03:51:33,922 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_online_heartbeat_uv [2021-12-16 03:51:33,925 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_online_heartbeat_uv [2021-12-16 03:51:33,925 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_get_fifo_entry_uv [2021-12-16 03:51:33,925 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_get_fifo_entry_uv [2021-12-16 03:51:33,925 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_xpc_registration [2021-12-16 03:51:33,925 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_xpc_registration [2021-12-16 03:51:33,925 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_disallow_hb_uv [2021-12-16 03:51:33,925 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_disallow_hb_uv [2021-12-16 03:51:33,926 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-16 03:51:33,926 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_send_chctl_openreply_uv [2021-12-16 03:51:33,926 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_send_chctl_openreply_uv [2021-12-16 03:51:33,927 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_hb_checker [2021-12-16 03:51:33,927 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_hb_checker [2021-12-16 03:51:33,927 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~~TO~VOID [2021-12-16 03:51:33,927 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~~TO~VOID [2021-12-16 03:51:33,927 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2021-12-16 03:51:33,927 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2021-12-16 03:51:33,927 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_setup_ch_structures_uv [2021-12-16 03:51:33,927 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_setup_ch_structures_uv [2021-12-16 03:51:33,927 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_setup_rsvd_page_uv [2021-12-16 03:51:33,928 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_setup_rsvd_page_uv [2021-12-16 03:51:33,928 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-16 03:51:33,928 INFO L130 BoogieDeclarations]: Found specification of procedure cpumask_next [2021-12-16 03:51:33,928 INFO L138 BoogieDeclarations]: Found implementation of procedure cpumask_next [2021-12-16 03:51:33,928 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2021-12-16 03:51:33,928 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2021-12-16 03:51:33,928 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_request_partition_deactivation_uv [2021-12-16 03:51:33,928 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_request_partition_deactivation_uv [2021-12-16 03:51:33,928 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_get_chctl_all_flags_uv [2021-12-16 03:51:33,929 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_get_chctl_all_flags_uv [2021-12-16 03:51:33,929 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_gru_mq_watchlist_free_uv [2021-12-16 03:51:33,929 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_gru_mq_watchlist_free_uv [2021-12-16 03:51:33,929 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_partition_going_down [2021-12-16 03:51:33,929 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_partition_going_down [2021-12-16 03:51:33,929 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion [2021-12-16 03:51:33,929 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion [2021-12-16 03:51:33,929 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-16 03:51:33,929 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-12-16 03:51:33,929 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-16 03:51:33,930 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-16 03:51:33,930 INFO L130 BoogieDeclarations]: Found specification of procedure current_thread_info [2021-12-16 03:51:33,930 INFO L138 BoogieDeclarations]: Found implementation of procedure current_thread_info [2021-12-16 03:51:33,930 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-12-16 03:51:33,930 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-12-16 03:51:33,930 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2021-12-16 03:51:33,930 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2021-12-16 03:51:33,930 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2021-12-16 03:51:33,930 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2021-12-16 03:51:33,931 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_sysctl_table [2021-12-16 03:51:33,931 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_sysctl_table [2021-12-16 03:51:33,931 INFO L130 BoogieDeclarations]: Found specification of procedure uv_gpa [2021-12-16 03:51:33,931 INFO L138 BoogieDeclarations]: Found implementation of procedure uv_gpa [2021-12-16 03:51:33,931 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2021-12-16 03:51:33,931 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2021-12-16 03:51:33,931 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~X~int~X~$Pointer$~X~$Pointer$~TO~VOID [2021-12-16 03:51:33,931 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~X~int~X~$Pointer$~X~$Pointer$~TO~VOID [2021-12-16 03:51:33,931 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_get_deliverable_payload_uv [2021-12-16 03:51:33,932 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_get_deliverable_payload_uv [2021-12-16 03:51:33,932 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_notify_senders_of_disconnect_uv [2021-12-16 03:51:33,932 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_notify_senders_of_disconnect_uv [2021-12-16 03:51:33,932 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_add_return [2021-12-16 03:51:33,932 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_add_return [2021-12-16 03:51:33,932 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_make_first_contact_uv [2021-12-16 03:51:33,932 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_make_first_contact_uv [2021-12-16 03:51:33,932 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_n_of_deliverable_payloads_uv [2021-12-16 03:51:33,932 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_n_of_deliverable_payloads_uv [2021-12-16 03:51:33,933 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2021-12-16 03:51:33,933 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2021-12-16 03:51:33,933 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_get_remote_rp [2021-12-16 03:51:33,933 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_get_remote_rp [2021-12-16 03:51:33,933 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait [2021-12-16 03:51:33,933 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait [2021-12-16 03:51:33,933 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_hb_beater [2021-12-16 03:51:33,933 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_hb_beater [2021-12-16 03:51:33,933 INFO L130 BoogieDeclarations]: Found specification of procedure is_uv_system [2021-12-16 03:51:33,934 INFO L138 BoogieDeclarations]: Found implementation of procedure is_uv_system [2021-12-16 03:51:33,934 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-12-16 03:51:33,934 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-12-16 03:51:33,934 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2021-12-16 03:51:33,934 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2021-12-16 03:51:33,934 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2021-12-16 03:51:33,934 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2021-12-16 03:51:33,934 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-16 03:51:33,935 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2021-12-16 03:51:33,935 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2021-12-16 03:51:33,935 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2021-12-16 03:51:33,935 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2021-12-16 03:51:33,935 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-16 03:51:33,935 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-16 03:51:33,935 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_assume_partition_disengaged_uv [2021-12-16 03:51:33,935 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_assume_partition_disengaged_uv [2021-12-16 03:51:33,935 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-12-16 03:51:33,936 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-12-16 03:51:33,936 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_cancel_partition_deactivation_request_uv [2021-12-16 03:51:33,936 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_cancel_partition_deactivation_request_uv [2021-12-16 03:51:34,665 INFO L236 CfgBuilder]: Building ICFG [2021-12-16 03:51:34,668 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-16 03:51:42,491 INFO L277 CfgBuilder]: Performing block encoding [2021-12-16 03:51:42,517 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-16 03:51:42,517 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-16 03:51:42,525 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 03:51:42 BoogieIcfgContainer [2021-12-16 03:51:42,525 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-16 03:51:42,526 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-16 03:51:42,526 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-16 03:51:42,528 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-16 03:51:42,528 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.12 03:51:30" (1/3) ... [2021-12-16 03:51:42,529 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b025c1f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 03:51:42, skipping insertion in model container [2021-12-16 03:51:42,529 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:51:33" (2/3) ... [2021-12-16 03:51:42,529 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b025c1f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 03:51:42, skipping insertion in model container [2021-12-16 03:51:42,529 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 03:51:42" (3/3) ... [2021-12-16 03:51:42,530 INFO L111 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--misc--sgi-xp--xpc.ko-main.cil.out.i [2021-12-16 03:51:42,533 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-16 03:51:42,533 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-16 03:51:42,567 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-16 03:51:42,571 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-16 03:51:42,571 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-16 03:51:42,610 INFO L276 IsEmpty]: Start isEmpty. Operand has 2800 states, 1892 states have (on average 1.3689217758985202) internal successors, (2590), 2002 states have internal predecessors, (2590), 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) [2021-12-16 03:51:42,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-12-16 03:51:42,658 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 03:51:42,659 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 03:51:42,659 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 03:51:42,663 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 03:51:42,663 INFO L85 PathProgramCache]: Analyzing trace with hash 150157696, now seen corresponding path program 1 times [2021-12-16 03:51:42,669 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 03:51:42,669 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1828493113] [2021-12-16 03:51:42,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 03:51:42,670 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 03:51:43,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:51:43,225 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-16 03:51:43,225 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 03:51:43,225 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1828493113] [2021-12-16 03:51:43,226 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1828493113] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 03:51:43,226 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 03:51:43,226 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-16 03:51:43,227 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [634702054] [2021-12-16 03:51:43,228 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 03:51:43,230 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-16 03:51:43,230 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 03:51:43,251 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-16 03:51:43,252 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-16 03:51:43,257 INFO L87 Difference]: Start difference. First operand has 2800 states, 1892 states have (on average 1.3689217758985202) internal successors, (2590), 2002 states have internal predecessors, (2590), 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) [2021-12-16 03:51:43,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 03:51:43,785 INFO L93 Difference]: Finished difference Result 8035 states and 12012 transitions. [2021-12-16 03:51:43,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-16 03:51:43,787 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 [2021-12-16 03:51:43,787 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 03:51:43,821 INFO L225 Difference]: With dead ends: 8035 [2021-12-16 03:51:43,822 INFO L226 Difference]: Without dead ends: 5214 [2021-12-16 03:51:43,843 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-16 03:51:43,845 INFO L933 BasicCegarLoop]: 5964 mSDtfsCounter, 3469 mSDsluCounter, 3818 mSDsCounter, 0 mSdLazyCounter, 249 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3469 SdHoareTripleChecker+Valid, 9782 SdHoareTripleChecker+Invalid, 251 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 249 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-12-16 03:51:43,846 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3469 Valid, 9782 Invalid, 251 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 249 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-12-16 03:51:43,864 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5214 states. [2021-12-16 03:51:44,039 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5214 to 5196. [2021-12-16 03:51:44,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5196 states, 3492 states have (on average 1.3490836197021765) internal successors, (4711), 3699 states have internal predecessors, (4711), 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) [2021-12-16 03:51:44,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5196 states to 5196 states and 7478 transitions. [2021-12-16 03:51:44,080 INFO L78 Accepts]: Start accepts. Automaton has 5196 states and 7478 transitions. Word has length 20 [2021-12-16 03:51:44,081 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 03:51:44,081 INFO L470 AbstractCegarLoop]: Abstraction has 5196 states and 7478 transitions. [2021-12-16 03:51:44,081 INFO L471 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) [2021-12-16 03:51:44,082 INFO L276 IsEmpty]: Start isEmpty. Operand 5196 states and 7478 transitions. [2021-12-16 03:51:44,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-12-16 03:51:44,087 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 03:51:44,088 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 03:51:44,088 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-16 03:51:44,088 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 03:51:44,088 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 03:51:44,089 INFO L85 PathProgramCache]: Analyzing trace with hash 888374678, now seen corresponding path program 1 times [2021-12-16 03:51:44,089 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 03:51:44,089 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1675826925] [2021-12-16 03:51:44,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 03:51:44,089 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 03:51:44,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:51:44,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-16 03:51:44,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:51:44,346 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-16 03:51:44,347 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 03:51:44,347 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1675826925] [2021-12-16 03:51:44,347 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1675826925] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 03:51:44,347 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 03:51:44,347 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-16 03:51:44,348 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2101184705] [2021-12-16 03:51:44,348 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 03:51:44,349 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-16 03:51:44,349 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 03:51:44,349 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-16 03:51:44,349 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-16 03:51:44,350 INFO L87 Difference]: Start difference. First operand 5196 states and 7478 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) [2021-12-16 03:51:44,507 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 03:51:44,508 INFO L93 Difference]: Finished difference Result 5223 states and 7512 transitions. [2021-12-16 03:51:44,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-16 03:51:44,508 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 [2021-12-16 03:51:44,509 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 03:51:44,531 INFO L225 Difference]: With dead ends: 5223 [2021-12-16 03:51:44,531 INFO L226 Difference]: Without dead ends: 5210 [2021-12-16 03:51:44,535 INFO L932 BasicCegarLoop]: 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 [2021-12-16 03:51:44,536 INFO L933 BasicCegarLoop]: 4064 mSDtfsCounter, 4044 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4044 SdHoareTripleChecker+Valid, 4080 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 [2021-12-16 03:51:44,536 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4044 Valid, 4080 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-16 03:51:44,542 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5210 states. [2021-12-16 03:51:44,679 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5210 to 5197. [2021-12-16 03:51:44,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5197 states, 3493 states have (on average 1.3489836816490124) internal successors, (4712), 3700 states have internal predecessors, (4712), 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) [2021-12-16 03:51:44,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5197 states to 5197 states and 7479 transitions. [2021-12-16 03:51:44,712 INFO L78 Accepts]: Start accepts. Automaton has 5197 states and 7479 transitions. Word has length 24 [2021-12-16 03:51:44,712 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 03:51:44,712 INFO L470 AbstractCegarLoop]: Abstraction has 5197 states and 7479 transitions. [2021-12-16 03:51:44,712 INFO L471 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) [2021-12-16 03:51:44,712 INFO L276 IsEmpty]: Start isEmpty. Operand 5197 states and 7479 transitions. [2021-12-16 03:51:44,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-12-16 03:51:44,714 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 03:51:44,714 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 03:51:44,714 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-16 03:51:44,714 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 03:51:44,715 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 03:51:44,715 INFO L85 PathProgramCache]: Analyzing trace with hash 945632980, now seen corresponding path program 1 times [2021-12-16 03:51:44,715 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 03:51:44,715 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1561526834] [2021-12-16 03:51:44,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 03:51:44,715 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 03:51:44,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:51:44,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-16 03:51:44,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:51:44,853 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-16 03:51:44,853 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 03:51:44,853 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1561526834] [2021-12-16 03:51:44,853 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1561526834] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 03:51:44,853 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 03:51:44,854 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-16 03:51:44,854 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1370294260] [2021-12-16 03:51:44,854 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 03:51:44,854 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-16 03:51:44,854 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 03:51:44,855 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-16 03:51:44,855 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-16 03:51:44,855 INFO L87 Difference]: Start difference. First operand 5197 states and 7479 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) [2021-12-16 03:51:45,019 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 03:51:45,019 INFO L93 Difference]: Finished difference Result 5337 states and 7621 transitions. [2021-12-16 03:51:45,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-16 03:51:45,020 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 [2021-12-16 03:51:45,020 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 03:51:45,041 INFO L225 Difference]: With dead ends: 5337 [2021-12-16 03:51:45,041 INFO L226 Difference]: Without dead ends: 5333 [2021-12-16 03:51:45,045 INFO L932 BasicCegarLoop]: 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 [2021-12-16 03:51:45,046 INFO L933 BasicCegarLoop]: 4083 mSDtfsCounter, 3963 mSDsluCounter, 131 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3963 SdHoareTripleChecker+Valid, 4214 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 [2021-12-16 03:51:45,047 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3963 Valid, 4214 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-16 03:51:45,052 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5333 states. [2021-12-16 03:51:45,265 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5333 to 5331. [2021-12-16 03:51:45,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5331 states, 3593 states have (on average 1.3428889507375452) internal successors, (4825), 3798 states have internal predecessors, (4825), 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) [2021-12-16 03:51:45,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5331 states to 5331 states and 7614 transitions. [2021-12-16 03:51:45,311 INFO L78 Accepts]: Start accepts. Automaton has 5331 states and 7614 transitions. Word has length 24 [2021-12-16 03:51:45,311 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 03:51:45,312 INFO L470 AbstractCegarLoop]: Abstraction has 5331 states and 7614 transitions. [2021-12-16 03:51:45,312 INFO L471 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) [2021-12-16 03:51:45,312 INFO L276 IsEmpty]: Start isEmpty. Operand 5331 states and 7614 transitions. [2021-12-16 03:51:45,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-12-16 03:51:45,313 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 03:51:45,313 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 03:51:45,313 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-16 03:51:45,313 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 03:51:45,316 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 03:51:45,316 INFO L85 PathProgramCache]: Analyzing trace with hash -751552013, now seen corresponding path program 1 times [2021-12-16 03:51:45,316 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 03:51:45,316 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1831086339] [2021-12-16 03:51:45,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 03:51:45,317 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 03:51:45,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:51:45,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-16 03:51:45,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:51:45,620 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-16 03:51:45,620 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 03:51:45,620 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1831086339] [2021-12-16 03:51:45,620 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1831086339] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 03:51:45,620 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 03:51:45,620 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-16 03:51:45,621 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1205809163] [2021-12-16 03:51:45,621 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 03:51:45,621 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-16 03:51:45,621 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 03:51:45,621 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-16 03:51:45,622 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-16 03:51:45,622 INFO L87 Difference]: Start difference. First operand 5331 states and 7614 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) [2021-12-16 03:51:45,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 03:51:45,774 INFO L93 Difference]: Finished difference Result 5333 states and 7615 transitions. [2021-12-16 03:51:45,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-16 03:51:45,775 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 [2021-12-16 03:51:45,775 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 03:51:45,799 INFO L225 Difference]: With dead ends: 5333 [2021-12-16 03:51:45,799 INFO L226 Difference]: Without dead ends: 5330 [2021-12-16 03:51:45,804 INFO L932 BasicCegarLoop]: 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 [2021-12-16 03:51:45,805 INFO L933 BasicCegarLoop]: 4042 mSDtfsCounter, 4024 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4024 SdHoareTripleChecker+Valid, 4042 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 [2021-12-16 03:51:45,808 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4024 Valid, 4042 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-16 03:51:45,814 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5330 states. [2021-12-16 03:51:45,967 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5330 to 5330. [2021-12-16 03:51:45,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5330 states, 3593 states have (on average 1.3426106317840245) internal successors, (4824), 3797 states have internal predecessors, (4824), 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) [2021-12-16 03:51:45,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5330 states to 5330 states and 7612 transitions. [2021-12-16 03:51:45,997 INFO L78 Accepts]: Start accepts. Automaton has 5330 states and 7612 transitions. Word has length 25 [2021-12-16 03:51:45,997 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 03:51:45,997 INFO L470 AbstractCegarLoop]: Abstraction has 5330 states and 7612 transitions. [2021-12-16 03:51:45,997 INFO L471 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) [2021-12-16 03:51:45,997 INFO L276 IsEmpty]: Start isEmpty. Operand 5330 states and 7612 transitions. [2021-12-16 03:51:45,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-12-16 03:51:45,998 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 03:51:45,998 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 03:51:45,998 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-16 03:51:45,999 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 03:51:45,999 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 03:51:45,999 INFO L85 PathProgramCache]: Analyzing trace with hash -1824674377, now seen corresponding path program 1 times [2021-12-16 03:51:45,999 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 03:51:45,999 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1067434417] [2021-12-16 03:51:45,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 03:51:46,000 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 03:51:46,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:51:46,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-16 03:51:46,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:51:46,157 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-16 03:51:46,158 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 03:51:46,158 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1067434417] [2021-12-16 03:51:46,158 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1067434417] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 03:51:46,159 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 03:51:46,159 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-16 03:51:46,159 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [531423321] [2021-12-16 03:51:46,160 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 03:51:46,160 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-16 03:51:46,160 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 03:51:46,160 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-16 03:51:46,161 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-16 03:51:46,161 INFO L87 Difference]: Start difference. First operand 5330 states and 7612 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) [2021-12-16 03:51:46,374 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 03:51:46,374 INFO L93 Difference]: Finished difference Result 5332 states and 7613 transitions. [2021-12-16 03:51:46,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-16 03:51:46,375 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 [2021-12-16 03:51:46,376 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 03:51:46,399 INFO L225 Difference]: With dead ends: 5332 [2021-12-16 03:51:46,400 INFO L226 Difference]: Without dead ends: 5329 [2021-12-16 03:51:46,404 INFO L932 BasicCegarLoop]: 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 [2021-12-16 03:51:46,405 INFO L933 BasicCegarLoop]: 4040 mSDtfsCounter, 4021 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4021 SdHoareTripleChecker+Valid, 4040 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 [2021-12-16 03:51:46,405 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4021 Valid, 4040 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-16 03:51:46,411 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5329 states. [2021-12-16 03:51:46,580 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5329 to 5329. [2021-12-16 03:51:46,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5329 states, 3593 states have (on average 1.3423323128305038) internal successors, (4823), 3796 states have internal predecessors, (4823), 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) [2021-12-16 03:51:46,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5329 states to 5329 states and 7610 transitions. [2021-12-16 03:51:46,616 INFO L78 Accepts]: Start accepts. Automaton has 5329 states and 7610 transitions. Word has length 26 [2021-12-16 03:51:46,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 03:51:46,616 INFO L470 AbstractCegarLoop]: Abstraction has 5329 states and 7610 transitions. [2021-12-16 03:51:46,617 INFO L471 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) [2021-12-16 03:51:46,617 INFO L276 IsEmpty]: Start isEmpty. Operand 5329 states and 7610 transitions. [2021-12-16 03:51:46,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-12-16 03:51:46,618 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 03:51:46,619 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 03:51:46,619 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-16 03:51:46,619 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 03:51:46,619 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 03:51:46,619 INFO L85 PathProgramCache]: Analyzing trace with hash -731724426, now seen corresponding path program 1 times [2021-12-16 03:51:46,620 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 03:51:46,620 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [87409253] [2021-12-16 03:51:46,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 03:51:46,620 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 03:51:46,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:51:46,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-16 03:51:46,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:51:46,766 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-16 03:51:46,766 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 03:51:46,766 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [87409253] [2021-12-16 03:51:46,766 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [87409253] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 03:51:46,766 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 03:51:46,766 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-16 03:51:46,767 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [363025445] [2021-12-16 03:51:46,767 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 03:51:46,767 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-16 03:51:46,768 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 03:51:46,768 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-16 03:51:46,768 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-16 03:51:46,768 INFO L87 Difference]: Start difference. First operand 5329 states and 7610 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) [2021-12-16 03:51:46,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 03:51:46,937 INFO L93 Difference]: Finished difference Result 5331 states and 7611 transitions. [2021-12-16 03:51:46,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-16 03:51:46,938 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 [2021-12-16 03:51:46,938 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 03:51:46,964 INFO L225 Difference]: With dead ends: 5331 [2021-12-16 03:51:46,964 INFO L226 Difference]: Without dead ends: 5328 [2021-12-16 03:51:46,968 INFO L932 BasicCegarLoop]: 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 [2021-12-16 03:51:46,970 INFO L933 BasicCegarLoop]: 4038 mSDtfsCounter, 4018 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4018 SdHoareTripleChecker+Valid, 4038 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 [2021-12-16 03:51:46,971 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4018 Valid, 4038 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-16 03:51:46,976 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5328 states. [2021-12-16 03:51:47,102 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5328 to 5328. [2021-12-16 03:51:47,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5328 states, 3593 states have (on average 1.342053993876983) internal successors, (4822), 3795 states have internal predecessors, (4822), 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) [2021-12-16 03:51:47,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5328 states to 5328 states and 7608 transitions. [2021-12-16 03:51:47,130 INFO L78 Accepts]: Start accepts. Automaton has 5328 states and 7608 transitions. Word has length 27 [2021-12-16 03:51:47,132 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 03:51:47,132 INFO L470 AbstractCegarLoop]: Abstraction has 5328 states and 7608 transitions. [2021-12-16 03:51:47,132 INFO L471 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) [2021-12-16 03:51:47,132 INFO L276 IsEmpty]: Start isEmpty. Operand 5328 states and 7608 transitions. [2021-12-16 03:51:47,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-12-16 03:51:47,134 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 03:51:47,134 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 03:51:47,135 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-16 03:51:47,135 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 03:51:47,135 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 03:51:47,135 INFO L85 PathProgramCache]: Analyzing trace with hash -1210009446, now seen corresponding path program 1 times [2021-12-16 03:51:47,135 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 03:51:47,136 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1526444644] [2021-12-16 03:51:47,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 03:51:47,137 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 03:51:47,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:51:47,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-16 03:51:47,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:51:47,262 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-16 03:51:47,262 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 03:51:47,262 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1526444644] [2021-12-16 03:51:47,262 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1526444644] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 03:51:47,263 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 03:51:47,263 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-16 03:51:47,263 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [673748170] [2021-12-16 03:51:47,263 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 03:51:47,263 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-16 03:51:47,263 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 03:51:47,264 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-16 03:51:47,264 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-16 03:51:47,264 INFO L87 Difference]: Start difference. First operand 5328 states and 7608 transitions. Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 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) [2021-12-16 03:51:47,612 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 03:51:47,612 INFO L93 Difference]: Finished difference Result 15936 states and 23108 transitions. [2021-12-16 03:51:47,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-16 03:51:47,613 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 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 28 [2021-12-16 03:51:47,613 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 03:51:47,659 INFO L225 Difference]: With dead ends: 15936 [2021-12-16 03:51:47,659 INFO L226 Difference]: Without dead ends: 10604 [2021-12-16 03:51:47,691 INFO L932 BasicCegarLoop]: 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 [2021-12-16 03:51:47,692 INFO L933 BasicCegarLoop]: 4956 mSDtfsCounter, 4053 mSDsluCounter, 4043 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4053 SdHoareTripleChecker+Valid, 8999 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-16 03:51:47,692 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4053 Valid, 8999 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-16 03:51:47,705 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10604 states. [2021-12-16 03:51:47,991 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10604 to 10590. [2021-12-16 03:51:48,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10590 states, 7147 states have (on average 1.3428011753183153) internal successors, (9597), 7552 states have internal predecessors, (9597), 2766 states have call successors, (2766), 678 states have call predecessors, (2766), 676 states have return successors, (2928), 2615 states have call predecessors, (2928), 2758 states have call successors, (2928) [2021-12-16 03:51:48,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10590 states to 10590 states and 15291 transitions. [2021-12-16 03:51:48,048 INFO L78 Accepts]: Start accepts. Automaton has 10590 states and 15291 transitions. Word has length 28 [2021-12-16 03:51:48,049 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 03:51:48,049 INFO L470 AbstractCegarLoop]: Abstraction has 10590 states and 15291 transitions. [2021-12-16 03:51:48,050 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 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) [2021-12-16 03:51:48,050 INFO L276 IsEmpty]: Start isEmpty. Operand 10590 states and 15291 transitions. [2021-12-16 03:51:48,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2021-12-16 03:51:48,057 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 03:51:48,057 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 03:51:48,057 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-12-16 03:51:48,057 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 03:51:48,063 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 03:51:48,064 INFO L85 PathProgramCache]: Analyzing trace with hash -1380410177, now seen corresponding path program 1 times [2021-12-16 03:51:48,064 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 03:51:48,064 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [447872993] [2021-12-16 03:51:48,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 03:51:48,064 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 03:51:48,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:51:48,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-16 03:51:48,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:51:48,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-16 03:51:48,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:51:48,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-16 03:51:48,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:51:48,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-12-16 03:51:48,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:51:48,286 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-12-16 03:51:48,286 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 03:51:48,286 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [447872993] [2021-12-16 03:51:48,286 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [447872993] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 03:51:48,287 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 03:51:48,287 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-16 03:51:48,287 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [337440107] [2021-12-16 03:51:48,287 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 03:51:48,287 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-16 03:51:48,287 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 03:51:48,288 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-16 03:51:48,288 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-16 03:51:48,288 INFO L87 Difference]: Start difference. First operand 10590 states and 15291 transitions. Second operand has 5 states, 5 states have (on average 9.6) internal successors, (48), 3 states have internal predecessors, (48), 3 states have call successors, (9), 5 states have call predecessors, (9), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2021-12-16 03:51:50,453 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-16 03:51:57,460 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-16 03:52:01,345 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 03:52:01,346 INFO L93 Difference]: Finished difference Result 15564 states and 24318 transitions. [2021-12-16 03:52:01,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-16 03:52:01,346 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 3 states have internal predecessors, (48), 3 states have call successors, (9), 5 states have call predecessors, (9), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 62 [2021-12-16 03:52:01,347 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 03:52:01,433 INFO L225 Difference]: With dead ends: 15564 [2021-12-16 03:52:01,434 INFO L226 Difference]: Without dead ends: 15561 [2021-12-16 03:52:01,451 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-12-16 03:52:01,452 INFO L933 BasicCegarLoop]: 3773 mSDtfsCounter, 2729 mSDsluCounter, 5338 mSDsCounter, 0 mSdLazyCounter, 5346 mSolverCounterSat, 2674 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3131 SdHoareTripleChecker+Valid, 9111 SdHoareTripleChecker+Invalid, 8022 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2674 IncrementalHoareTripleChecker+Valid, 5346 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.4s IncrementalHoareTripleChecker+Time [2021-12-16 03:52:01,452 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3131 Valid, 9111 Invalid, 8022 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2674 Valid, 5346 Invalid, 2 Unknown, 0 Unchecked, 12.4s Time] [2021-12-16 03:52:01,463 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15561 states. [2021-12-16 03:52:02,005 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15561 to 10913. [2021-12-16 03:52:02,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10913 states, 7375 states have (on average 1.3414237288135593) internal successors, (9893), 7799 states have internal predecessors, (9893), 2821 states have call successors, (2821), 678 states have call predecessors, (2821), 716 states have return successors, (3162), 2691 states have call predecessors, (3162), 2814 states have call successors, (3162) [2021-12-16 03:52:02,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10913 states to 10913 states and 15876 transitions. [2021-12-16 03:52:02,070 INFO L78 Accepts]: Start accepts. Automaton has 10913 states and 15876 transitions. Word has length 62 [2021-12-16 03:52:02,071 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 03:52:02,071 INFO L470 AbstractCegarLoop]: Abstraction has 10913 states and 15876 transitions. [2021-12-16 03:52:02,071 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 3 states have internal predecessors, (48), 3 states have call successors, (9), 5 states have call predecessors, (9), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2021-12-16 03:52:02,072 INFO L276 IsEmpty]: Start isEmpty. Operand 10913 states and 15876 transitions. [2021-12-16 03:52:02,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2021-12-16 03:52:02,101 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 03:52:02,101 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 03:52:02,101 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-12-16 03:52:02,101 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 03:52:02,102 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 03:52:02,102 INFO L85 PathProgramCache]: Analyzing trace with hash 1394246988, now seen corresponding path program 1 times [2021-12-16 03:52:02,102 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 03:52:02,102 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [900000431] [2021-12-16 03:52:02,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 03:52:02,103 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 03:52:02,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:52:02,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-16 03:52:02,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:52:02,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-16 03:52:02,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:52:02,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:52:02,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:52:02,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:52:02,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:52:02,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-16 03:52:02,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:52:02,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-12-16 03:52:02,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:52:02,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-16 03:52:02,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:52:02,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2021-12-16 03:52:02,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:52:02,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2021-12-16 03:52:02,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:52:02,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2021-12-16 03:52:02,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:52:02,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-16 03:52:02,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:52:02,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:52:02,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:52:02,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 03:52:02,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:52:02,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-16 03:52:02,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:52:02,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2021-12-16 03:52:02,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:52:02,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:52:02,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:52:02,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:52:02,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:52:02,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:52:02,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:52:02,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2021-12-16 03:52:02,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:52:02,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:52:02,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:52:02,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2021-12-16 03:52:02,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:52:02,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-16 03:52:02,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:52:02,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-12-16 03:52:02,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:52:02,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2021-12-16 03:52:02,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:52:02,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2021-12-16 03:52:02,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:52:02,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2021-12-16 03:52:02,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:52:02,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2021-12-16 03:52:02,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:52:02,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:52:02,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:52:02,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 03:52:02,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:52:02,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-16 03:52:02,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:52:02,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2021-12-16 03:52:02,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:52:02,578 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2021-12-16 03:52:02,578 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 03:52:02,578 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [900000431] [2021-12-16 03:52:02,578 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [900000431] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-16 03:52:02,578 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [902721392] [2021-12-16 03:52:02,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 03:52:02,579 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-16 03:52:02,579 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 03:52:02,580 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-16 03:52:02,583 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-12-16 03:52:03,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:52:03,660 INFO L263 TraceCheckSpWp]: Trace formula consists of 5589 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-16 03:52:03,670 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-16 03:52:04,003 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2021-12-16 03:52:04,003 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-16 03:52:04,003 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [902721392] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 03:52:04,003 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-16 03:52:04,004 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 8 [2021-12-16 03:52:04,004 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [849132690] [2021-12-16 03:52:04,004 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 03:52:04,004 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-16 03:52:04,005 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 03:52:04,005 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-16 03:52:04,005 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-12-16 03:52:04,005 INFO L87 Difference]: Start difference. First operand 10913 states and 15876 transitions. Second operand has 3 states, 3 states have (on average 44.666666666666664) internal successors, (134), 3 states have internal predecessors, (134), 2 states have call successors, (38), 2 states have call predecessors, (38), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2021-12-16 03:52:04,427 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 03:52:04,427 INFO L93 Difference]: Finished difference Result 22652 states and 33166 transitions. [2021-12-16 03:52:04,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-16 03:52:04,428 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 44.666666666666664) internal successors, (134), 3 states have internal predecessors, (134), 2 states have call successors, (38), 2 states have call predecessors, (38), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) Word has length 239 [2021-12-16 03:52:04,428 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 03:52:04,474 INFO L225 Difference]: With dead ends: 22652 [2021-12-16 03:52:04,474 INFO L226 Difference]: Without dead ends: 11742 [2021-12-16 03:52:04,508 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 303 GetRequests, 297 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-12-16 03:52:04,510 INFO L933 BasicCegarLoop]: 4248 mSDtfsCounter, 431 mSDsluCounter, 4024 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 517 SdHoareTripleChecker+Valid, 8272 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-16 03:52:04,510 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [517 Valid, 8272 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-16 03:52:04,518 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11742 states. [2021-12-16 03:52:04,836 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11742 to 10917. [2021-12-16 03:52:04,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10917 states, 7379 states have (on average 1.3412386502236076) internal successors, (9897), 7803 states have internal predecessors, (9897), 2821 states have call successors, (2821), 678 states have call predecessors, (2821), 716 states have return successors, (3162), 2691 states have call predecessors, (3162), 2814 states have call successors, (3162) [2021-12-16 03:52:04,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10917 states to 10917 states and 15880 transitions. [2021-12-16 03:52:04,890 INFO L78 Accepts]: Start accepts. Automaton has 10917 states and 15880 transitions. Word has length 239 [2021-12-16 03:52:04,890 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 03:52:04,890 INFO L470 AbstractCegarLoop]: Abstraction has 10917 states and 15880 transitions. [2021-12-16 03:52:04,891 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 44.666666666666664) internal successors, (134), 3 states have internal predecessors, (134), 2 states have call successors, (38), 2 states have call predecessors, (38), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2021-12-16 03:52:04,891 INFO L276 IsEmpty]: Start isEmpty. Operand 10917 states and 15880 transitions. [2021-12-16 03:52:04,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2021-12-16 03:52:04,915 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 03:52:04,915 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 03:52:04,945 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2021-12-16 03:52:05,142 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-16 03:52:05,143 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 03:52:05,144 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 03:52:05,144 INFO L85 PathProgramCache]: Analyzing trace with hash 1110554405, now seen corresponding path program 1 times [2021-12-16 03:52:05,144 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 03:52:05,144 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [928566868] [2021-12-16 03:52:05,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 03:52:05,144 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 03:52:05,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:52:05,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-16 03:52:05,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:52:05,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-16 03:52:05,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:52:05,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:52:05,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:52:05,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:52:05,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:52:05,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-12-16 03:52:05,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:52:05,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2021-12-16 03:52:05,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:52:05,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-12-16 03:52:05,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:52:05,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-12-16 03:52:05,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:52:05,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2021-12-16 03:52:05,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:52:05,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-12-16 03:52:05,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:52:05,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-16 03:52:05,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:52:05,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:52:05,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:52:05,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 03:52:05,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:52:05,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-16 03:52:05,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:52:05,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-12-16 03:52:05,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:52:05,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:52:05,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:52:05,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:52:05,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:52:05,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:52:05,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:52:05,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2021-12-16 03:52:05,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:52:05,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:52:05,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:52:05,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2021-12-16 03:52:05,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:52:05,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-16 03:52:05,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:52:05,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2021-12-16 03:52:05,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:52:05,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2021-12-16 03:52:05,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:52:05,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-12-16 03:52:05,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:52:05,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2021-12-16 03:52:05,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:52:05,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2021-12-16 03:52:05,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:52:05,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:52:05,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:52:05,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 03:52:05,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:52:05,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-16 03:52:05,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:52:05,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2021-12-16 03:52:05,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:52:05,559 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2021-12-16 03:52:05,559 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 03:52:05,559 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [928566868] [2021-12-16 03:52:05,560 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [928566868] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-16 03:52:05,560 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1406603637] [2021-12-16 03:52:05,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 03:52:05,560 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-16 03:52:05,560 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 03:52:05,561 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-16 03:52:05,563 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-12-16 03:52:06,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:52:06,850 INFO L263 TraceCheckSpWp]: Trace formula consists of 5964 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-16 03:52:06,859 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-16 03:52:07,161 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2021-12-16 03:52:07,161 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-16 03:52:07,161 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1406603637] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 03:52:07,162 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-16 03:52:07,162 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 9 [2021-12-16 03:52:07,162 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1257419112] [2021-12-16 03:52:07,162 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 03:52:07,163 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-16 03:52:07,163 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 03:52:07,163 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-16 03:52:07,163 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2021-12-16 03:52:07,163 INFO L87 Difference]: Start difference. First operand 10917 states and 15880 transitions. Second operand has 3 states, 3 states have (on average 47.666666666666664) internal successors, (143), 3 states have internal predecessors, (143), 2 states have call successors, (38), 2 states have call predecessors, (38), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2021-12-16 03:52:07,457 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 03:52:07,457 INFO L93 Difference]: Finished difference Result 23200 states and 34066 transitions. [2021-12-16 03:52:07,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-16 03:52:07,458 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 47.666666666666664) internal successors, (143), 3 states have internal predecessors, (143), 2 states have call successors, (38), 2 states have call predecessors, (38), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) Word has length 248 [2021-12-16 03:52:07,458 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 03:52:07,509 INFO L225 Difference]: With dead ends: 23200 [2021-12-16 03:52:07,510 INFO L226 Difference]: Without dead ends: 12286 [2021-12-16 03:52:07,546 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 313 GetRequests, 306 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2021-12-16 03:52:07,547 INFO L933 BasicCegarLoop]: 4643 mSDtfsCounter, 581 mSDsluCounter, 4109 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 700 SdHoareTripleChecker+Valid, 8752 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-16 03:52:07,547 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [700 Valid, 8752 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-16 03:52:07,558 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12286 states. [2021-12-16 03:52:07,944 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12286 to 10925. [2021-12-16 03:52:07,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10925 states, 7387 states have (on average 1.3414105861648842) internal successors, (9909), 7811 states have internal predecessors, (9909), 2821 states have call successors, (2821), 678 states have call predecessors, (2821), 716 states have return successors, (3162), 2691 states have call predecessors, (3162), 2814 states have call successors, (3162) [2021-12-16 03:52:07,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10925 states to 10925 states and 15892 transitions. [2021-12-16 03:52:08,000 INFO L78 Accepts]: Start accepts. Automaton has 10925 states and 15892 transitions. Word has length 248 [2021-12-16 03:52:08,000 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 03:52:08,000 INFO L470 AbstractCegarLoop]: Abstraction has 10925 states and 15892 transitions. [2021-12-16 03:52:08,001 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 47.666666666666664) internal successors, (143), 3 states have internal predecessors, (143), 2 states have call successors, (38), 2 states have call predecessors, (38), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2021-12-16 03:52:08,001 INFO L276 IsEmpty]: Start isEmpty. Operand 10925 states and 15892 transitions. [2021-12-16 03:52:08,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2021-12-16 03:52:08,023 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 03:52:08,023 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 03:52:08,051 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-12-16 03:52:08,235 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-12-16 03:52:08,236 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 03:52:08,236 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 03:52:08,236 INFO L85 PathProgramCache]: Analyzing trace with hash 2001629027, now seen corresponding path program 1 times [2021-12-16 03:52:08,236 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 03:52:08,236 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [65384592] [2021-12-16 03:52:08,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 03:52:08,236 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 03:52:08,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:52:08,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-16 03:52:08,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:52:08,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-16 03:52:08,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:52:08,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:52:08,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:52:08,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:52:08,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:52:08,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-12-16 03:52:08,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:52:08,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2021-12-16 03:52:08,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:52:08,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-12-16 03:52:08,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:52:08,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-12-16 03:52:08,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:52:08,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2021-12-16 03:52:08,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:52:08,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-12-16 03:52:08,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:52:08,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-16 03:52:08,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:52:08,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:52:08,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:52:08,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 03:52:08,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:52:08,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-16 03:52:08,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:52:08,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-12-16 03:52:08,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:52:08,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:52:08,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:52:08,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:52:08,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:52:08,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:52:08,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:52:08,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2021-12-16 03:52:08,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:52:08,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:52:08,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:52:08,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2021-12-16 03:52:08,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:52:08,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-16 03:52:08,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:52:08,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2021-12-16 03:52:08,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:52:08,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2021-12-16 03:52:08,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:52:08,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-12-16 03:52:08,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:52:08,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2021-12-16 03:52:08,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:52:08,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2021-12-16 03:52:08,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:52:08,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:52:08,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:52:08,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 03:52:08,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:52:08,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-16 03:52:08,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:52:08,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2021-12-16 03:52:08,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:52:08,732 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2021-12-16 03:52:08,732 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 03:52:08,733 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [65384592] [2021-12-16 03:52:08,733 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [65384592] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 03:52:08,733 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 03:52:08,733 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-12-16 03:52:08,733 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [125343535] [2021-12-16 03:52:08,733 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 03:52:08,734 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-12-16 03:52:08,734 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 03:52:08,734 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-12-16 03:52:08,734 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2021-12-16 03:52:08,735 INFO L87 Difference]: Start difference. First operand 10925 states and 15892 transitions. Second operand has 10 states, 10 states have (on average 14.2) internal successors, (142), 5 states have internal predecessors, (142), 2 states have call successors, (38), 7 states have call predecessors, (38), 1 states have return successors, (29), 1 states have call predecessors, (29), 1 states have call successors, (29) [2021-12-16 03:52:10,850 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-16 03:52:12,893 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-16 03:52:25,724 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-16 03:52:27,820 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []