./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--misc--vmw_vmci--vmw_vmci.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version eb692b52 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--misc--vmw_vmci--vmw_vmci.ko-entry_point.cil.out.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 8d123e3c2a314a098b4e7a140b822a7b44f2ae282ca90c74ec5605a44f397143 --- Real Ultimate output --- This is Ultimate 0.2.2-?-eb692b5 [2022-07-20 00:46:44,860 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-20 00:46:44,861 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-20 00:46:44,879 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-20 00:46:44,880 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-20 00:46:44,881 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-20 00:46:44,882 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-20 00:46:44,883 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-20 00:46:44,884 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-20 00:46:44,885 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-20 00:46:44,885 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-20 00:46:44,886 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-20 00:46:44,886 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-20 00:46:44,887 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-20 00:46:44,888 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-20 00:46:44,892 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-20 00:46:44,893 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-20 00:46:44,896 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-20 00:46:44,898 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-20 00:46:44,902 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-20 00:46:44,904 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-20 00:46:44,905 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-20 00:46:44,906 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-20 00:46:44,908 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-20 00:46:44,909 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-20 00:46:44,911 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-20 00:46:44,911 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-20 00:46:44,912 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-20 00:46:44,912 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-20 00:46:44,913 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-20 00:46:44,914 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-20 00:46:44,914 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-20 00:46:44,915 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-20 00:46:44,915 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-20 00:46:44,916 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-20 00:46:44,916 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-20 00:46:44,917 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-20 00:46:44,917 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-20 00:46:44,918 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-20 00:46:44,918 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-20 00:46:44,918 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-20 00:46:44,920 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-20 00:46:44,920 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-20 00:46:44,946 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-20 00:46:44,947 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-20 00:46:44,947 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-20 00:46:44,947 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-20 00:46:44,948 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-20 00:46:44,948 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-20 00:46:44,948 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-20 00:46:44,949 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-20 00:46:44,949 INFO L138 SettingsManager]: * Use SBE=true [2022-07-20 00:46:44,949 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-20 00:46:44,949 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-20 00:46:44,950 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-20 00:46:44,950 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-20 00:46:44,950 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-20 00:46:44,950 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-20 00:46:44,950 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-20 00:46:44,950 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-20 00:46:44,950 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-20 00:46:44,951 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-20 00:46:44,952 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-20 00:46:44,952 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-20 00:46:44,952 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-20 00:46:44,952 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-20 00:46:44,952 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-20 00:46:44,952 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-20 00:46:44,952 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-20 00:46:44,953 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-20 00:46:44,953 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-20 00:46:44,953 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-20 00:46:44,953 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-20 00:46:44,953 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8d123e3c2a314a098b4e7a140b822a7b44f2ae282ca90c74ec5605a44f397143 [2022-07-20 00:46:45,133 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-20 00:46:45,146 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-20 00:46:45,147 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-20 00:46:45,148 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-20 00:46:45,149 INFO L275 PluginConnector]: CDTParser initialized [2022-07-20 00:46:45,149 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--misc--vmw_vmci--vmw_vmci.ko-entry_point.cil.out.i [2022-07-20 00:46:45,197 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ae6cafa39/b25305444c804e0ba40bb102e79ed16f/FLAGf73d25ee6 [2022-07-20 00:46:45,875 INFO L306 CDTParser]: Found 1 translation units. [2022-07-20 00:46:45,875 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--misc--vmw_vmci--vmw_vmci.ko-entry_point.cil.out.i [2022-07-20 00:46:45,922 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ae6cafa39/b25305444c804e0ba40bb102e79ed16f/FLAGf73d25ee6 [2022-07-20 00:46:45,966 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ae6cafa39/b25305444c804e0ba40bb102e79ed16f [2022-07-20 00:46:45,968 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-20 00:46:45,970 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-20 00:46:45,972 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-20 00:46:45,972 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-20 00:46:45,974 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-20 00:46:45,974 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 12:46:45" (1/1) ... [2022-07-20 00:46:45,975 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e00954 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:46:45, skipping insertion in model container [2022-07-20 00:46:45,976 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 12:46:45" (1/1) ... [2022-07-20 00:46:45,981 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-20 00:46:46,108 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-20 00:46:48,763 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-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--misc--vmw_vmci--vmw_vmci.ko-entry_point.cil.out.i[490207,490220] [2022-07-20 00:46:49,004 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-20 00:46:49,066 INFO L203 MainTranslator]: Completed pre-run [2022-07-20 00:46:49,379 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-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--misc--vmw_vmci--vmw_vmci.ko-entry_point.cil.out.i[490207,490220] [2022-07-20 00:46:49,392 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-20 00:46:49,526 INFO L208 MainTranslator]: Completed translation [2022-07-20 00:46:49,527 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:46:49 WrapperNode [2022-07-20 00:46:49,527 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-20 00:46:49,527 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-20 00:46:49,528 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-20 00:46:49,528 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-20 00:46:49,532 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:46:49" (1/1) ... [2022-07-20 00:46:49,666 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:46:49" (1/1) ... [2022-07-20 00:46:49,985 INFO L137 Inliner]: procedures = 713, calls = 6159, calls flagged for inlining = 240, calls inlined = 191, statements flattened = 9072 [2022-07-20 00:46:49,986 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-20 00:46:49,987 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-20 00:46:49,987 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-20 00:46:49,987 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-20 00:46:49,993 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:46:49" (1/1) ... [2022-07-20 00:46:49,993 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:46:49" (1/1) ... [2022-07-20 00:46:50,038 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:46:49" (1/1) ... [2022-07-20 00:46:50,039 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:46:49" (1/1) ... [2022-07-20 00:46:50,256 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:46:49" (1/1) ... [2022-07-20 00:46:50,293 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:46:49" (1/1) ... [2022-07-20 00:46:50,329 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:46:49" (1/1) ... [2022-07-20 00:46:50,369 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-20 00:46:50,371 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-20 00:46:50,371 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-20 00:46:50,371 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-20 00:46:50,372 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:46:49" (1/1) ... [2022-07-20 00:46:50,377 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-20 00:46:50,384 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-20 00:46:50,395 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) [2022-07-20 00:46:50,407 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 [2022-07-20 00:46:50,433 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-07-20 00:46:50,433 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-07-20 00:46:50,433 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_msix_exact [2022-07-20 00:46:50,434 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_msix_exact [2022-07-20 00:46:50,434 INFO L130 BoogieDeclarations]: Found specification of procedure ctx_signal_notify [2022-07-20 00:46:50,434 INFO L138 BoogieDeclarations]: Found implementation of procedure ctx_signal_notify [2022-07-20 00:46:50,434 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_datagram_send [2022-07-20 00:46:50,434 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_datagram_send [2022-07-20 00:46:50,434 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_ctx_exists [2022-07-20 00:46:50,434 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_ctx_exists [2022-07-20 00:46:50,434 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_guest_code_active [2022-07-20 00:46:50,435 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_guest_code_active [2022-07-20 00:46:50,435 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_subscriber_mutex [2022-07-20 00:46:50,435 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_subscriber_mutex [2022-07-20 00:46:50,435 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_ctx_put [2022-07-20 00:46:50,435 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_ctx_put [2022-07-20 00:46:50,435 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-20 00:46:50,435 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-20 00:46:50,435 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_host_open [2022-07-20 00:46:50,435 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_host_open [2022-07-20 00:46:50,436 INFO L130 BoogieDeclarations]: Found specification of procedure qp_host_unregister_user_memory [2022-07-20 00:46:50,436 INFO L138 BoogieDeclarations]: Found implementation of procedure qp_host_unregister_user_memory [2022-07-20 00:46:50,436 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_ctx_add_notification [2022-07-20 00:46:50,436 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_ctx_add_notification [2022-07-20 00:46:50,436 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_host_unlocked_ioctl [2022-07-20 00:46:50,436 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_host_unlocked_ioctl [2022-07-20 00:46:50,436 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2022-07-20 00:46:50,436 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2022-07-20 00:46:50,436 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-20 00:46:50,437 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-20 00:46:50,437 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_ctx_get_id [2022-07-20 00:46:50,437 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_ctx_get_id [2022-07-20 00:46:50,437 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-07-20 00:46:50,437 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-07-20 00:46:50,437 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_handle_arr_has_entry [2022-07-20 00:46:50,437 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_handle_arr_has_entry [2022-07-20 00:46:50,437 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_ctx_destroy [2022-07-20 00:46:50,437 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_ctx_destroy [2022-07-20 00:46:50,438 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_send_datagram [2022-07-20 00:46:50,438 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_send_datagram [2022-07-20 00:46:50,438 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2022-07-20 00:46:50,438 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2022-07-20 00:46:50,438 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_ctx_get [2022-07-20 00:46:50,438 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_ctx_get [2022-07-20 00:46:50,439 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_handle_arr_get_entry [2022-07-20 00:46:50,439 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_handle_arr_get_entry [2022-07-20 00:46:50,439 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_3 [2022-07-20 00:46:50,439 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_3 [2022-07-20 00:46:50,439 INFO L130 BoogieDeclarations]: Found specification of procedure qp_acquire_queue_mutex [2022-07-20 00:46:50,439 INFO L138 BoogieDeclarations]: Found implementation of procedure qp_acquire_queue_mutex [2022-07-20 00:46:50,439 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_get_context_id [2022-07-20 00:46:50,440 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_get_context_id [2022-07-20 00:46:50,440 INFO L130 BoogieDeclarations]: Found specification of procedure qp_host_map_queues [2022-07-20 00:46:50,440 INFO L138 BoogieDeclarations]: Found implementation of procedure qp_host_map_queues [2022-07-20 00:46:50,440 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_resource_add [2022-07-20 00:46:50,440 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_resource_add [2022-07-20 00:46:50,441 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2022-07-20 00:46:50,441 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2022-07-20 00:46:50,441 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-07-20 00:46:50,442 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-07-20 00:46:50,442 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock___1 [2022-07-20 00:46:50,442 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock___1 [2022-07-20 00:46:50,442 INFO L130 BoogieDeclarations]: Found specification of procedure no_printk [2022-07-20 00:46:50,442 INFO L138 BoogieDeclarations]: Found implementation of procedure no_printk [2022-07-20 00:46:50,442 INFO L130 BoogieDeclarations]: Found specification of procedure qp_list_get_head [2022-07-20 00:46:50,442 INFO L138 BoogieDeclarations]: Found implementation of procedure qp_list_get_head [2022-07-20 00:46:50,442 INFO L130 BoogieDeclarations]: Found specification of procedure dbell_delayed_dispatch [2022-07-20 00:46:50,442 INFO L138 BoogieDeclarations]: Found implementation of procedure dbell_delayed_dispatch [2022-07-20 00:46:50,443 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_lock_release [2022-07-20 00:46:50,443 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_lock_release [2022-07-20 00:46:50,443 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock_of_vmci_host_dev [2022-07-20 00:46:50,443 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock_of_vmci_host_dev [2022-07-20 00:46:50,443 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2022-07-20 00:46:50,443 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2022-07-20 00:46:50,444 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2022-07-20 00:46:50,444 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-20 00:46:50,444 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-20 00:46:50,444 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_qp_list [2022-07-20 00:46:50,444 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_qp_list [2022-07-20 00:46:50,444 INFO L130 BoogieDeclarations]: Found specification of procedure dg_delayed_dispatch [2022-07-20 00:46:50,444 INFO L138 BoogieDeclarations]: Found implementation of procedure dg_delayed_dispatch [2022-07-20 00:46:50,444 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-20 00:46:50,444 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_init [2022-07-20 00:46:50,445 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_init [2022-07-20 00:46:50,445 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2022-07-20 00:46:50,445 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2022-07-20 00:46:50,445 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-07-20 00:46:50,445 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2022-07-20 00:46:50,445 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-07-20 00:46:50,446 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-07-20 00:46:50,446 INFO L130 BoogieDeclarations]: Found specification of procedure dg_dispatch_as_host [2022-07-20 00:46:50,446 INFO L138 BoogieDeclarations]: Found implementation of procedure dg_dispatch_as_host [2022-07-20 00:46:50,446 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-07-20 00:46:50,446 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-07-20 00:46:50,446 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-07-20 00:46:50,447 INFO L130 BoogieDeclarations]: Found specification of procedure qp_reset_saved_headers [2022-07-20 00:46:50,447 INFO L138 BoogieDeclarations]: Found implementation of procedure qp_reset_saved_headers [2022-07-20 00:46:50,447 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_resource_handle [2022-07-20 00:46:50,447 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_resource_handle [2022-07-20 00:46:50,447 INFO L130 BoogieDeclarations]: Found specification of procedure qp_list_add_entry [2022-07-20 00:46:50,447 INFO L138 BoogieDeclarations]: Found implementation of procedure qp_list_add_entry [2022-07-20 00:46:50,447 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_handle_is_invalid [2022-07-20 00:46:50,447 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_handle_is_invalid [2022-07-20 00:46:50,448 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_datagram_dispatch [2022-07-20 00:46:50,448 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_datagram_dispatch [2022-07-20 00:46:50,448 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-07-20 00:46:50,448 INFO L130 BoogieDeclarations]: Found specification of procedure kref_get [2022-07-20 00:46:50,448 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_get [2022-07-20 00:46:50,448 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_vmci_queue_kern_if [2022-07-20 00:46:50,448 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_vmci_queue_kern_if [2022-07-20 00:46:50,448 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-20 00:46:50,448 INFO L130 BoogieDeclarations]: Found specification of procedure kmap [2022-07-20 00:46:50,449 INFO L138 BoogieDeclarations]: Found implementation of procedure kmap [2022-07-20 00:46:50,449 INFO L130 BoogieDeclarations]: Found specification of procedure qp_list_find [2022-07-20 00:46:50,449 INFO L138 BoogieDeclarations]: Found implementation of procedure qp_list_find [2022-07-20 00:46:50,449 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-20 00:46:50,449 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-20 00:46:50,450 INFO L130 BoogieDeclarations]: Found specification of procedure __validate_creds [2022-07-20 00:46:50,450 INFO L138 BoogieDeclarations]: Found implementation of procedure __validate_creds [2022-07-20 00:46:50,451 INFO L130 BoogieDeclarations]: Found specification of procedure reg_check_2 [2022-07-20 00:46:50,452 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_check_2 [2022-07-20 00:46:50,452 INFO L130 BoogieDeclarations]: Found specification of procedure ctx_clear_notify_call [2022-07-20 00:46:50,452 INFO L138 BoogieDeclarations]: Found implementation of procedure ctx_clear_notify_call [2022-07-20 00:46:50,453 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_watching [2022-07-20 00:46:50,453 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_watching [2022-07-20 00:46:50,453 INFO L130 BoogieDeclarations]: Found specification of procedure qp_notify_peer [2022-07-20 00:46:50,454 INFO L138 BoogieDeclarations]: Found implementation of procedure qp_notify_peer [2022-07-20 00:46:50,454 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2022-07-20 00:46:50,458 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2022-07-20 00:46:50,458 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2022-07-20 00:46:50,458 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2022-07-20 00:46:50,458 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_ctx_unset_notify [2022-07-20 00:46:50,458 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_ctx_unset_notify [2022-07-20 00:46:50,458 INFO L130 BoogieDeclarations]: Found specification of procedure __hlist_del [2022-07-20 00:46:50,458 INFO L138 BoogieDeclarations]: Found implementation of procedure __hlist_del [2022-07-20 00:46:50,459 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_event_exit [2022-07-20 00:46:50,459 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_event_exit [2022-07-20 00:46:50,459 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_handle_arr_destroy [2022-07-20 00:46:50,459 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_handle_arr_destroy [2022-07-20 00:46:50,459 INFO L130 BoogieDeclarations]: Found specification of procedure get_cred [2022-07-20 00:46:50,459 INFO L138 BoogieDeclarations]: Found implementation of procedure get_cred [2022-07-20 00:46:50,459 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2022-07-20 00:46:50,459 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2022-07-20 00:46:50,459 INFO L130 BoogieDeclarations]: Found specification of procedure __read_once_size [2022-07-20 00:46:50,459 INFO L138 BoogieDeclarations]: Found implementation of procedure __read_once_size [2022-07-20 00:46:50,460 INFO L130 BoogieDeclarations]: Found specification of procedure qp_lock [2022-07-20 00:46:50,460 INFO L138 BoogieDeclarations]: Found implementation of procedure qp_lock [2022-07-20 00:46:50,460 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock [2022-07-20 00:46:50,460 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock [2022-07-20 00:46:50,460 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_resource_by_handle [2022-07-20 00:46:50,460 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_resource_by_handle [2022-07-20 00:46:50,460 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-07-20 00:46:50,460 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-07-20 00:46:50,460 INFO L130 BoogieDeclarations]: Found specification of procedure qp_notify_peer_local [2022-07-20 00:46:50,460 INFO L138 BoogieDeclarations]: Found implementation of procedure qp_notify_peer_local [2022-07-20 00:46:50,460 INFO L130 BoogieDeclarations]: Found specification of procedure vunmap [2022-07-20 00:46:50,461 INFO L138 BoogieDeclarations]: Found implementation of procedure vunmap [2022-07-20 00:46:50,461 INFO L130 BoogieDeclarations]: Found specification of procedure qp_host_get_user_memory [2022-07-20 00:46:50,461 INFO L138 BoogieDeclarations]: Found implementation of procedure qp_host_get_user_memory [2022-07-20 00:46:50,461 INFO L130 BoogieDeclarations]: Found specification of procedure ctx_fire_notification [2022-07-20 00:46:50,461 INFO L138 BoogieDeclarations]: Found implementation of procedure ctx_fire_notification [2022-07-20 00:46:50,461 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-20 00:46:50,461 INFO L130 BoogieDeclarations]: Found specification of procedure qp_unlock [2022-07-20 00:46:50,461 INFO L138 BoogieDeclarations]: Found implementation of procedure qp_unlock [2022-07-20 00:46:50,461 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_host_close [2022-07-20 00:46:50,461 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_host_close [2022-07-20 00:46:50,462 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-20 00:46:50,462 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_guest_probe_device [2022-07-20 00:46:50,462 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_guest_probe_device [2022-07-20 00:46:50,462 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_handle_is_invalid___1 [2022-07-20 00:46:50,462 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_handle_is_invalid___1 [2022-07-20 00:46:50,462 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_handle_is_invalid___0 [2022-07-20 00:46:50,462 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_handle_is_invalid___0 [2022-07-20 00:46:50,462 INFO L130 BoogieDeclarations]: Found specification of procedure qp_host_alloc_queue [2022-07-20 00:46:50,462 INFO L138 BoogieDeclarations]: Found implementation of procedure qp_host_alloc_queue [2022-07-20 00:46:50,462 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-20 00:46:50,462 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-07-20 00:46:50,463 INFO L130 BoogieDeclarations]: Found specification of procedure ctx_free_ctx [2022-07-20 00:46:50,463 INFO L138 BoogieDeclarations]: Found implementation of procedure ctx_free_ctx [2022-07-20 00:46:50,463 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-07-20 00:46:50,463 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-07-20 00:46:50,463 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_host_poll [2022-07-20 00:46:50,463 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_host_poll [2022-07-20 00:46:50,463 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2022-07-20 00:46:50,463 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2022-07-20 00:46:50,463 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-07-20 00:46:50,463 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-07-20 00:46:50,464 INFO L130 BoogieDeclarations]: Found specification of procedure qp_release_pages [2022-07-20 00:46:50,464 INFO L138 BoogieDeclarations]: Found implementation of procedure qp_release_pages [2022-07-20 00:46:50,464 INFO L130 BoogieDeclarations]: Found specification of procedure qp_cleanup_queue_mutex [2022-07-20 00:46:50,464 INFO L138 BoogieDeclarations]: Found implementation of procedure qp_cleanup_queue_mutex [2022-07-20 00:46:50,464 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_handle_arr_get_size [2022-07-20 00:46:50,464 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_handle_arr_get_size [2022-07-20 00:46:50,464 INFO L130 BoogieDeclarations]: Found specification of procedure qp_detatch_hypercall [2022-07-20 00:46:50,464 INFO L138 BoogieDeclarations]: Found implementation of procedure qp_detatch_hypercall [2022-07-20 00:46:50,464 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2022-07-20 00:46:50,464 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2022-07-20 00:46:50,465 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2022-07-20 00:46:50,465 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2022-07-20 00:46:50,465 INFO L130 BoogieDeclarations]: Found specification of procedure qp_list_remove_entry [2022-07-20 00:46:50,465 INFO L138 BoogieDeclarations]: Found implementation of procedure qp_list_remove_entry [2022-07-20 00:46:50,465 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-07-20 00:46:50,465 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-07-20 00:46:50,465 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_q_header_init [2022-07-20 00:46:50,465 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_q_header_init [2022-07-20 00:46:50,465 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add_rcu [2022-07-20 00:46:50,465 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add_rcu [2022-07-20 00:46:50,465 INFO L130 BoogieDeclarations]: Found specification of procedure qp_host_register_user_memory [2022-07-20 00:46:50,466 INFO L138 BoogieDeclarations]: Found implementation of procedure qp_host_register_user_memory [2022-07-20 00:46:50,466 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2022-07-20 00:46:50,466 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2022-07-20 00:46:50,466 INFO L130 BoogieDeclarations]: Found specification of procedure qp_detatch_guest_work [2022-07-20 00:46:50,466 INFO L138 BoogieDeclarations]: Found implementation of procedure qp_detatch_guest_work [2022-07-20 00:46:50,466 INFO L130 BoogieDeclarations]: Found specification of procedure drv_cp_harray_to_user [2022-07-20 00:46:50,466 INFO L138 BoogieDeclarations]: Found implementation of procedure drv_cp_harray_to_user [2022-07-20 00:46:50,466 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-20 00:46:50,466 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-20 00:46:50,466 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-07-20 00:46:50,467 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-07-20 00:46:50,467 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_handle_arr_remove_tail [2022-07-20 00:46:50,467 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_handle_arr_remove_tail [2022-07-20 00:46:50,467 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_subscriber_mutex [2022-07-20 00:46:50,467 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_subscriber_mutex [2022-07-20 00:46:50,467 INFO L130 BoogieDeclarations]: Found specification of procedure kref_sub [2022-07-20 00:46:50,467 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_sub [2022-07-20 00:46:50,467 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_ctx_supports_host_qp [2022-07-20 00:46:50,467 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_ctx_supports_host_qp [2022-07-20 00:46:50,467 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-20 00:46:50,468 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-20 00:46:50,468 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-20 00:46:50,468 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-20 00:46:50,468 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_qp_broker_detach [2022-07-20 00:46:50,468 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_qp_broker_detach [2022-07-20 00:46:50,468 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_ctx_enqueue_datagram [2022-07-20 00:46:50,468 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_ctx_enqueue_datagram [2022-07-20 00:46:50,468 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2022-07-20 00:46:50,468 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2022-07-20 00:46:50,468 INFO L130 BoogieDeclarations]: Found specification of procedure qp_host_unmap_queues [2022-07-20 00:46:50,468 INFO L138 BoogieDeclarations]: Found implementation of procedure qp_host_unmap_queues [2022-07-20 00:46:50,469 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_rcu [2022-07-20 00:46:50,469 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_rcu [2022-07-20 00:46:50,469 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_qp_list [2022-07-20 00:46:50,469 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_qp_list [2022-07-20 00:46:50,469 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-07-20 00:46:50,469 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-07-20 00:46:50,470 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-07-20 00:46:50,472 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-07-20 00:46:50,472 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-07-20 00:46:50,472 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-07-20 00:46:50,473 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-20 00:46:50,473 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-20 00:46:50,473 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_irq_2 [2022-07-20 00:46:50,473 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_irq_2 [2022-07-20 00:46:50,473 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-07-20 00:46:50,473 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-07-20 00:46:50,474 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msix [2022-07-20 00:46:50,474 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msix [2022-07-20 00:46:50,474 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_vmci_queue_kern_if [2022-07-20 00:46:50,474 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_vmci_queue_kern_if [2022-07-20 00:46:50,474 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_ctx_notify_dbell [2022-07-20 00:46:50,474 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_ctx_notify_dbell [2022-07-20 00:46:50,474 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_handle_arr_append_entry [2022-07-20 00:46:50,475 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_handle_arr_append_entry [2022-07-20 00:46:50,475 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_kill [2022-07-20 00:46:50,475 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_kill [2022-07-20 00:46:50,475 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2022-07-20 00:46:50,475 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2022-07-20 00:46:50,475 INFO L130 BoogieDeclarations]: Found specification of procedure qp_broker_handle_to_entry [2022-07-20 00:46:50,475 INFO L138 BoogieDeclarations]: Found implementation of procedure qp_broker_handle_to_entry [2022-07-20 00:46:50,475 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_qpair_detach [2022-07-20 00:46:50,475 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_qpair_detach [2022-07-20 00:46:50,475 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2022-07-20 00:46:50,475 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2022-07-20 00:46:50,476 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-20 00:46:50,476 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-07-20 00:46:50,476 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-07-20 00:46:50,476 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_resource_hash [2022-07-20 00:46:50,476 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_resource_hash [2022-07-20 00:46:50,476 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_handle_arr_create [2022-07-20 00:46:50,476 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_handle_arr_create [2022-07-20 00:46:50,476 INFO L130 BoogieDeclarations]: Found specification of procedure event_find [2022-07-20 00:46:50,476 INFO L138 BoogieDeclarations]: Found implementation of procedure event_find [2022-07-20 00:46:50,476 INFO L130 BoogieDeclarations]: Found specification of procedure qp_broker_alloc [2022-07-20 00:46:50,476 INFO L138 BoogieDeclarations]: Found implementation of procedure qp_broker_alloc [2022-07-20 00:46:50,477 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-20 00:46:50,477 INFO L130 BoogieDeclarations]: Found specification of procedure qp_detatch_host_work [2022-07-20 00:46:50,477 INFO L138 BoogieDeclarations]: Found implementation of procedure qp_detatch_host_work [2022-07-20 00:46:50,477 INFO L130 BoogieDeclarations]: Found specification of procedure put_page [2022-07-20 00:46:50,477 INFO L138 BoogieDeclarations]: Found implementation of procedure put_page [2022-07-20 00:46:50,477 INFO L130 BoogieDeclarations]: Found specification of procedure hash_32 [2022-07-20 00:46:50,477 INFO L138 BoogieDeclarations]: Found implementation of procedure hash_32 [2022-07-20 00:46:50,477 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail_rcu [2022-07-20 00:46:50,477 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail_rcu [2022-07-20 00:46:50,477 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_unlock___1 [2022-07-20 00:46:50,477 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_unlock___1 [2022-07-20 00:46:50,478 INFO L130 BoogieDeclarations]: Found specification of procedure qp_guest_endpoint_destroy [2022-07-20 00:46:50,478 INFO L138 BoogieDeclarations]: Found implementation of procedure qp_guest_endpoint_destroy [2022-07-20 00:46:50,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-20 00:46:50,478 INFO L130 BoogieDeclarations]: Found specification of procedure dg_dispatch_as_guest [2022-07-20 00:46:50,478 INFO L138 BoogieDeclarations]: Found implementation of procedure dg_dispatch_as_guest [2022-07-20 00:46:50,478 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2022-07-20 00:46:50,478 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2022-07-20 00:46:50,478 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-07-20 00:46:50,478 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-07-20 00:46:50,478 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2022-07-20 00:46:50,478 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2022-07-20 00:46:50,479 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_event_dispatch [2022-07-20 00:46:50,479 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_event_dispatch [2022-07-20 00:46:50,479 INFO L130 BoogieDeclarations]: Found specification of procedure qp_release_queue_mutex [2022-07-20 00:46:50,479 INFO L138 BoogieDeclarations]: Found implementation of procedure qp_release_queue_mutex [2022-07-20 00:46:50,479 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-07-20 00:46:50,479 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-07-20 00:46:50,479 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_route [2022-07-20 00:46:50,479 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_route [2022-07-20 00:46:50,479 INFO L130 BoogieDeclarations]: Found specification of procedure get_user_pages_fast [2022-07-20 00:46:50,479 INFO L138 BoogieDeclarations]: Found implementation of procedure get_user_pages_fast [2022-07-20 00:46:50,479 INFO L130 BoogieDeclarations]: Found specification of procedure qp_free_queue [2022-07-20 00:46:50,480 INFO L138 BoogieDeclarations]: Found implementation of procedure qp_free_queue [2022-07-20 00:46:50,480 INFO L130 BoogieDeclarations]: Found specification of procedure qp_host_free_queue [2022-07-20 00:46:50,480 INFO L138 BoogieDeclarations]: Found implementation of procedure qp_host_free_queue [2022-07-20 00:46:50,480 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2022-07-20 00:46:50,480 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2022-07-20 00:46:50,480 INFO L130 BoogieDeclarations]: Found specification of procedure atomic64_set [2022-07-20 00:46:50,480 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic64_set [2022-07-20 00:46:50,480 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_datagram_get_priv_flags [2022-07-20 00:46:50,480 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_datagram_get_priv_flags [2022-07-20 00:46:50,480 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_ctx_qp_exists [2022-07-20 00:46:50,480 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_ctx_qp_exists [2022-07-20 00:46:50,481 INFO L130 BoogieDeclarations]: Found specification of procedure synchronize_rcu [2022-07-20 00:46:50,481 INFO L138 BoogieDeclarations]: Found implementation of procedure synchronize_rcu [2022-07-20 00:46:50,481 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_resource_remove [2022-07-20 00:46:50,481 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_resource_remove [2022-07-20 00:46:50,481 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-20 00:46:50,481 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-20 00:46:50,481 INFO L130 BoogieDeclarations]: Found specification of procedure qp_init_queue_mutex [2022-07-20 00:46:50,481 INFO L138 BoogieDeclarations]: Found implementation of procedure qp_init_queue_mutex [2022-07-20 00:46:50,481 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-20 00:46:50,481 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_context_get_priv_flags [2022-07-20 00:46:50,482 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_context_get_priv_flags [2022-07-20 00:46:50,482 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_2 [2022-07-20 00:46:50,482 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_2 [2022-07-20 00:46:50,482 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2022-07-20 00:46:50,482 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2022-07-20 00:46:50,482 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-20 00:46:50,482 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-20 00:46:50,482 INFO L130 BoogieDeclarations]: Found specification of procedure put_cred [2022-07-20 00:46:50,482 INFO L138 BoogieDeclarations]: Found implementation of procedure put_cred [2022-07-20 00:46:50,482 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work___0 [2022-07-20 00:46:50,482 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work___0 [2022-07-20 00:46:50,483 INFO L130 BoogieDeclarations]: Found specification of procedure vmalloc [2022-07-20 00:46:50,483 INFO L138 BoogieDeclarations]: Found implementation of procedure vmalloc [2022-07-20 00:46:50,483 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-07-20 00:46:50,483 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-07-20 00:46:50,483 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_qp_guest_endpoints_exit [2022-07-20 00:46:50,483 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_qp_guest_endpoints_exit [2022-07-20 00:46:50,483 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_HLIST_NODE [2022-07-20 00:46:50,483 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_HLIST_NODE [2022-07-20 00:46:50,483 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2022-07-20 00:46:50,483 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2022-07-20 00:46:50,483 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2022-07-20 00:46:50,484 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2022-07-20 00:46:50,484 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_handle_is_equal [2022-07-20 00:46:50,484 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_handle_is_equal [2022-07-20 00:46:50,484 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_ctx_qp_destroy [2022-07-20 00:46:50,484 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_ctx_qp_destroy [2022-07-20 00:46:50,484 INFO L130 BoogieDeclarations]: Found specification of procedure qp_guest_handle_to_entry [2022-07-20 00:46:50,484 INFO L138 BoogieDeclarations]: Found implementation of procedure qp_guest_handle_to_entry [2022-07-20 00:46:50,484 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2022-07-20 00:46:50,484 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2022-07-20 00:46:50,484 INFO L130 BoogieDeclarations]: Found specification of procedure qp_detatch [2022-07-20 00:46:50,484 INFO L138 BoogieDeclarations]: Found implementation of procedure qp_detatch [2022-07-20 00:46:50,485 INFO L130 BoogieDeclarations]: Found specification of procedure handle_arr_calc_size [2022-07-20 00:46:50,485 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_arr_calc_size [2022-07-20 00:46:50,485 INFO L130 BoogieDeclarations]: Found specification of procedure kref_init [2022-07-20 00:46:50,485 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_init [2022-07-20 00:46:50,485 INFO L130 BoogieDeclarations]: Found specification of procedure hlist_unhashed [2022-07-20 00:46:50,485 INFO L138 BoogieDeclarations]: Found implementation of procedure hlist_unhashed [2022-07-20 00:46:50,485 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_qp_broker_alloc [2022-07-20 00:46:50,485 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_qp_broker_alloc [2022-07-20 00:46:50,485 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2022-07-20 00:46:50,485 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2022-07-20 00:46:50,485 INFO L130 BoogieDeclarations]: Found specification of procedure kunmap [2022-07-20 00:46:50,486 INFO L138 BoogieDeclarations]: Found implementation of procedure kunmap [2022-07-20 00:46:50,486 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2022-07-20 00:46:50,486 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2022-07-20 00:46:50,486 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2022-07-20 00:46:50,486 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2022-07-20 00:46:50,486 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_lock_acquire [2022-07-20 00:46:50,486 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_lock_acquire [2022-07-20 00:46:50,486 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_resource_get [2022-07-20 00:46:50,486 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_resource_get [2022-07-20 00:46:50,486 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock_of_vmci_host_dev [2022-07-20 00:46:50,486 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock_of_vmci_host_dev [2022-07-20 00:46:50,487 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2022-07-20 00:46:50,487 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2022-07-20 00:46:50,487 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_add_return [2022-07-20 00:46:50,487 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_add_return [2022-07-20 00:46:50,487 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_handle_arr_remove_entry [2022-07-20 00:46:50,487 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_handle_arr_remove_entry [2022-07-20 00:46:50,487 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_event_unsubscribe [2022-07-20 00:46:50,487 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_event_unsubscribe [2022-07-20 00:46:50,487 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_deny_interaction [2022-07-20 00:46:50,487 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_deny_interaction [2022-07-20 00:46:50,488 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_guest_remove_device [2022-07-20 00:46:50,488 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_guest_remove_device [2022-07-20 00:46:50,488 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_ctx_qp_create [2022-07-20 00:46:50,488 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_ctx_qp_create [2022-07-20 00:46:50,488 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_host_code_active [2022-07-20 00:46:50,488 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_host_code_active [2022-07-20 00:46:50,488 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-07-20 00:46:50,488 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-07-20 00:46:50,488 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-07-20 00:46:50,488 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-07-20 00:46:50,488 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2022-07-20 00:46:50,489 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2022-07-20 00:46:50,489 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msi [2022-07-20 00:46:50,489 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msi [2022-07-20 00:46:50,489 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_resource_lookup [2022-07-20 00:46:50,489 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_resource_lookup [2022-07-20 00:46:50,489 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_unlock [2022-07-20 00:46:50,489 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_unlock [2022-07-20 00:46:50,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-20 00:46:50,489 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_ctx_create [2022-07-20 00:46:50,489 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_ctx_create [2022-07-20 00:46:50,489 INFO L130 BoogieDeclarations]: Found specification of procedure vmci_resource_put [2022-07-20 00:46:50,490 INFO L138 BoogieDeclarations]: Found implementation of procedure vmci_resource_put [2022-07-20 00:46:51,387 INFO L234 CfgBuilder]: Building ICFG [2022-07-20 00:46:51,389 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-20 00:46:51,664 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-20 00:47:05,066 INFO L275 CfgBuilder]: Performing block encoding [2022-07-20 00:47:05,083 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-20 00:47:05,083 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-20 00:47:05,086 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 12:47:05 BoogieIcfgContainer [2022-07-20 00:47:05,087 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-20 00:47:05,088 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-20 00:47:05,088 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-20 00:47:05,090 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-20 00:47:05,091 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 12:46:45" (1/3) ... [2022-07-20 00:47:05,091 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ccb71aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 12:47:05, skipping insertion in model container [2022-07-20 00:47:05,091 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:46:49" (2/3) ... [2022-07-20 00:47:05,092 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ccb71aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 12:47:05, skipping insertion in model container [2022-07-20 00:47:05,092 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 12:47:05" (3/3) ... [2022-07-20 00:47:05,093 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--misc--vmw_vmci--vmw_vmci.ko-entry_point.cil.out.i [2022-07-20 00:47:05,102 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-20 00:47:05,102 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-20 00:47:05,189 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-20 00:47:05,194 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@6fe34ff0, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@26d028e7 [2022-07-20 00:47:05,194 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-20 00:47:05,205 INFO L276 IsEmpty]: Start isEmpty. Operand has 3389 states, 2341 states have (on average 1.3707817172148655) internal successors, (3209), 2408 states have internal predecessors, (3209), 843 states have call successors, (843), 204 states have call predecessors, (843), 203 states have return successors, (839), 833 states have call predecessors, (839), 839 states have call successors, (839) [2022-07-20 00:47:05,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-07-20 00:47:05,212 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 00:47:05,213 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 00:47:05,213 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 00:47:05,216 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 00:47:05,216 INFO L85 PathProgramCache]: Analyzing trace with hash 289228627, now seen corresponding path program 1 times [2022-07-20 00:47:05,222 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 00:47:05,222 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1638774790] [2022-07-20 00:47:05,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 00:47:05,223 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 00:47:05,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:47:05,681 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-20 00:47:05,682 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 00:47:05,682 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1638774790] [2022-07-20 00:47:05,682 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1638774790] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 00:47:05,683 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 00:47:05,683 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-20 00:47:05,686 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [263979481] [2022-07-20 00:47:05,687 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 00:47:05,690 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 00:47:05,690 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 00:47:05,710 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 00:47:05,711 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 00:47:05,717 INFO L87 Difference]: Start difference. First operand has 3389 states, 2341 states have (on average 1.3707817172148655) internal successors, (3209), 2408 states have internal predecessors, (3209), 843 states have call successors, (843), 204 states have call predecessors, (843), 203 states have return successors, (839), 833 states have call predecessors, (839), 839 states have call successors, (839) Second operand has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 00:47:06,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 00:47:06,054 INFO L93 Difference]: Finished difference Result 6773 states and 9961 transitions. [2022-07-20 00:47:06,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 00:47:06,058 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 27 [2022-07-20 00:47:06,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 00:47:06,092 INFO L225 Difference]: With dead ends: 6773 [2022-07-20 00:47:06,093 INFO L226 Difference]: Without dead ends: 3381 [2022-07-20 00:47:06,116 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 00:47:06,119 INFO L413 NwaCegarLoop]: 4866 mSDtfsCounter, 1 mSDsluCounter, 4862 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 9728 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-20 00:47:06,120 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 9728 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-20 00:47:06,140 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3381 states. [2022-07-20 00:47:06,318 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3381 to 3379. [2022-07-20 00:47:06,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3379 states, 2337 states have (on average 1.3658536585365855) internal successors, (3192), 2398 states have internal predecessors, (3192), 839 states have call successors, (839), 203 states have call predecessors, (839), 202 states have return successors, (824), 818 states have call predecessors, (824), 824 states have call successors, (824) [2022-07-20 00:47:06,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3379 states to 3379 states and 4855 transitions. [2022-07-20 00:47:06,354 INFO L78 Accepts]: Start accepts. Automaton has 3379 states and 4855 transitions. Word has length 27 [2022-07-20 00:47:06,354 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 00:47:06,355 INFO L495 AbstractCegarLoop]: Abstraction has 3379 states and 4855 transitions. [2022-07-20 00:47:06,355 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 00:47:06,355 INFO L276 IsEmpty]: Start isEmpty. Operand 3379 states and 4855 transitions. [2022-07-20 00:47:06,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-07-20 00:47:06,361 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 00:47:06,362 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 00:47:06,362 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-20 00:47:06,362 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 00:47:06,363 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 00:47:06,363 INFO L85 PathProgramCache]: Analyzing trace with hash -720615107, now seen corresponding path program 1 times [2022-07-20 00:47:06,363 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 00:47:06,363 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [669915863] [2022-07-20 00:47:06,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 00:47:06,364 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 00:47:06,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:47:06,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-20 00:47:06,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:47:06,744 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-20 00:47:06,744 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 00:47:06,745 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [669915863] [2022-07-20 00:47:06,745 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [669915863] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 00:47:06,745 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 00:47:06,745 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-20 00:47:06,745 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [694865959] [2022-07-20 00:47:06,745 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 00:47:06,746 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-20 00:47:06,749 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 00:47:06,749 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-20 00:47:06,751 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-20 00:47:06,751 INFO L87 Difference]: Start difference. First operand 3379 states and 4855 transitions. Second operand has 4 states, 4 states have (on average 6.5) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-20 00:47:12,282 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 [] [2022-07-20 00:47:16,131 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 00:47:16,132 INFO L93 Difference]: Finished difference Result 10280 states and 14861 transitions. [2022-07-20 00:47:16,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-20 00:47:16,132 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.5) internal successors, (26), 3 states have internal predecessors, (26), 1 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 29 [2022-07-20 00:47:16,133 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 00:47:16,172 INFO L225 Difference]: With dead ends: 10280 [2022-07-20 00:47:16,173 INFO L226 Difference]: Without dead ends: 6907 [2022-07-20 00:47:16,186 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-20 00:47:16,187 INFO L413 NwaCegarLoop]: 7951 mSDtfsCounter, 5344 mSDsluCounter, 7169 mSDsCounter, 0 mSdLazyCounter, 3353 mSolverCounterSat, 1677 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5933 SdHoareTripleChecker+Valid, 15120 SdHoareTripleChecker+Invalid, 5031 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1677 IncrementalHoareTripleChecker+Valid, 3353 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.9s IncrementalHoareTripleChecker+Time [2022-07-20 00:47:16,187 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5933 Valid, 15120 Invalid, 5031 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1677 Valid, 3353 Invalid, 1 Unknown, 0 Unchecked, 8.9s Time] [2022-07-20 00:47:16,195 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6907 states. [2022-07-20 00:47:16,449 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6907 to 6653. [2022-07-20 00:47:16,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6653 states, 4605 states have (on average 1.3656894679695983) internal successors, (6289), 4712 states have internal predecessors, (6289), 1643 states have call successors, (1643), 405 states have call predecessors, (1643), 404 states have return successors, (1628), 1616 states have call predecessors, (1628), 1628 states have call successors, (1628) [2022-07-20 00:47:16,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6653 states to 6653 states and 9560 transitions. [2022-07-20 00:47:16,494 INFO L78 Accepts]: Start accepts. Automaton has 6653 states and 9560 transitions. Word has length 29 [2022-07-20 00:47:16,495 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 00:47:16,495 INFO L495 AbstractCegarLoop]: Abstraction has 6653 states and 9560 transitions. [2022-07-20 00:47:16,495 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.5) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-20 00:47:16,495 INFO L276 IsEmpty]: Start isEmpty. Operand 6653 states and 9560 transitions. [2022-07-20 00:47:16,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-07-20 00:47:16,497 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 00:47:16,497 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 00:47:16,498 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-20 00:47:16,498 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 00:47:16,498 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 00:47:16,498 INFO L85 PathProgramCache]: Analyzing trace with hash 1258315447, now seen corresponding path program 1 times [2022-07-20 00:47:16,499 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 00:47:16,499 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [164852916] [2022-07-20 00:47:16,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 00:47:16,499 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 00:47:16,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:47:16,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-20 00:47:16,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:47:16,750 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-20 00:47:16,751 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 00:47:16,751 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [164852916] [2022-07-20 00:47:16,751 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [164852916] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-20 00:47:16,751 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [240654259] [2022-07-20 00:47:16,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 00:47:16,752 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-20 00:47:16,752 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-20 00:47:16,753 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) [2022-07-20 00:47:16,756 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-07-20 00:47:17,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:47:17,887 INFO L263 TraceCheckSpWp]: Trace formula consists of 4888 conjuncts, 3 conjunts are in the unsatisfiable core [2022-07-20 00:47:17,895 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 00:47:17,952 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-07-20 00:47:17,952 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 00:47:17,952 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [240654259] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 00:47:17,952 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-20 00:47:17,952 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6 [2022-07-20 00:47:17,953 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1701563506] [2022-07-20 00:47:17,953 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 00:47:17,953 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 00:47:17,953 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 00:47:17,953 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 00:47:17,954 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-07-20 00:47:17,954 INFO L87 Difference]: Start difference. First operand 6653 states and 9560 transitions. Second operand has 3 states, 3 states have (on average 10.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-20 00:47:18,112 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 00:47:18,112 INFO L93 Difference]: Finished difference Result 6655 states and 9561 transitions. [2022-07-20 00:47:18,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 00:47:18,113 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 2 states have internal predecessors, (30), 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 33 [2022-07-20 00:47:18,113 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 00:47:18,149 INFO L225 Difference]: With dead ends: 6655 [2022-07-20 00:47:18,149 INFO L226 Difference]: Without dead ends: 6652 [2022-07-20 00:47:18,151 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-07-20 00:47:18,156 INFO L413 NwaCegarLoop]: 4851 mSDtfsCounter, 4822 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4822 SdHoareTripleChecker+Valid, 4851 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-20 00:47:18,157 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4822 Valid, 4851 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-20 00:47:18,165 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6652 states. [2022-07-20 00:47:18,369 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6652 to 6652. [2022-07-20 00:47:18,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6652 states, 4605 states have (on average 1.365472312703583) internal successors, (6288), 4711 states have internal predecessors, (6288), 1642 states have call successors, (1642), 405 states have call predecessors, (1642), 404 states have return successors, (1628), 1616 states have call predecessors, (1628), 1628 states have call successors, (1628) [2022-07-20 00:47:18,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6652 states to 6652 states and 9558 transitions. [2022-07-20 00:47:18,425 INFO L78 Accepts]: Start accepts. Automaton has 6652 states and 9558 transitions. Word has length 33 [2022-07-20 00:47:18,426 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 00:47:18,426 INFO L495 AbstractCegarLoop]: Abstraction has 6652 states and 9558 transitions. [2022-07-20 00:47:18,427 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-20 00:47:18,427 INFO L276 IsEmpty]: Start isEmpty. Operand 6652 states and 9558 transitions. [2022-07-20 00:47:18,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-07-20 00:47:18,428 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 00:47:18,428 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 00:47:18,464 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-07-20 00:47:18,635 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-20 00:47:18,636 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 00:47:18,636 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 00:47:18,636 INFO L85 PathProgramCache]: Analyzing trace with hash 351711725, now seen corresponding path program 1 times [2022-07-20 00:47:18,636 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 00:47:18,637 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [726979480] [2022-07-20 00:47:18,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 00:47:18,637 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 00:47:18,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:47:18,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-20 00:47:18,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:47:18,972 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-20 00:47:18,972 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 00:47:18,972 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [726979480] [2022-07-20 00:47:18,972 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [726979480] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-20 00:47:18,973 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1650713443] [2022-07-20 00:47:18,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 00:47:18,973 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-20 00:47:18,973 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-20 00:47:18,976 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) [2022-07-20 00:47:18,978 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-07-20 00:47:20,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:47:20,239 INFO L263 TraceCheckSpWp]: Trace formula consists of 4890 conjuncts, 3 conjunts are in the unsatisfiable core [2022-07-20 00:47:20,243 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 00:47:20,294 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-07-20 00:47:20,294 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 00:47:20,294 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1650713443] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 00:47:20,294 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-20 00:47:20,295 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6 [2022-07-20 00:47:20,295 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1624854725] [2022-07-20 00:47:20,295 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 00:47:20,295 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 00:47:20,295 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 00:47:20,296 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 00:47:20,296 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-07-20 00:47:20,296 INFO L87 Difference]: Start difference. First operand 6652 states and 9558 transitions. Second operand has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-20 00:47:20,417 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 00:47:20,417 INFO L93 Difference]: Finished difference Result 6654 states and 9559 transitions. [2022-07-20 00:47:20,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 00:47:20,418 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 2 states have internal predecessors, (31), 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 34 [2022-07-20 00:47:20,418 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 00:47:20,456 INFO L225 Difference]: With dead ends: 6654 [2022-07-20 00:47:20,457 INFO L226 Difference]: Without dead ends: 6651 [2022-07-20 00:47:20,461 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-07-20 00:47:20,463 INFO L413 NwaCegarLoop]: 4849 mSDtfsCounter, 4819 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4819 SdHoareTripleChecker+Valid, 4849 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-20 00:47:20,464 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4819 Valid, 4849 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-20 00:47:20,474 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6651 states. [2022-07-20 00:47:20,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6651 to 6651. [2022-07-20 00:47:20,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6651 states, 4605 states have (on average 1.3652551574375678) internal successors, (6287), 4710 states have internal predecessors, (6287), 1641 states have call successors, (1641), 405 states have call predecessors, (1641), 404 states have return successors, (1628), 1616 states have call predecessors, (1628), 1628 states have call successors, (1628) [2022-07-20 00:47:20,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6651 states to 6651 states and 9556 transitions. [2022-07-20 00:47:20,756 INFO L78 Accepts]: Start accepts. Automaton has 6651 states and 9556 transitions. Word has length 34 [2022-07-20 00:47:20,757 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 00:47:20,757 INFO L495 AbstractCegarLoop]: Abstraction has 6651 states and 9556 transitions. [2022-07-20 00:47:20,757 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-20 00:47:20,757 INFO L276 IsEmpty]: Start isEmpty. Operand 6651 states and 9556 transitions. [2022-07-20 00:47:20,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-07-20 00:47:20,760 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 00:47:20,760 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 00:47:20,790 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-07-20 00:47:20,975 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3 [2022-07-20 00:47:20,975 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 00:47:20,976 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 00:47:20,976 INFO L85 PathProgramCache]: Analyzing trace with hash -1983195014, now seen corresponding path program 1 times [2022-07-20 00:47:20,976 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 00:47:20,976 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [617205884] [2022-07-20 00:47:20,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 00:47:20,976 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 00:47:21,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:47:21,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-20 00:47:21,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:47:21,265 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-20 00:47:21,266 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 00:47:21,266 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [617205884] [2022-07-20 00:47:21,266 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [617205884] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-20 00:47:21,266 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1390100210] [2022-07-20 00:47:21,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 00:47:21,266 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-20 00:47:21,267 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-20 00:47:21,268 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-20 00:47:21,269 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-07-20 00:47:22,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:47:22,453 INFO L263 TraceCheckSpWp]: Trace formula consists of 4892 conjuncts, 3 conjunts are in the unsatisfiable core [2022-07-20 00:47:22,457 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 00:47:22,501 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-07-20 00:47:22,502 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 00:47:22,502 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1390100210] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 00:47:22,502 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-20 00:47:22,502 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6 [2022-07-20 00:47:22,503 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1952463093] [2022-07-20 00:47:22,503 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 00:47:22,503 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 00:47:22,503 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 00:47:22,504 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 00:47:22,504 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-07-20 00:47:22,504 INFO L87 Difference]: Start difference. First operand 6651 states and 9556 transitions. Second operand has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-20 00:47:22,675 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 00:47:22,675 INFO L93 Difference]: Finished difference Result 10476 states and 14764 transitions. [2022-07-20 00:47:22,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 00:47:22,676 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 2 states have internal predecessors, (32), 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 35 [2022-07-20 00:47:22,676 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 00:47:22,738 INFO L225 Difference]: With dead ends: 10476 [2022-07-20 00:47:22,738 INFO L226 Difference]: Without dead ends: 10472 [2022-07-20 00:47:22,745 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-07-20 00:47:22,746 INFO L413 NwaCegarLoop]: 5326 mSDtfsCounter, 4738 mSDsluCounter, 2729 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4738 SdHoareTripleChecker+Valid, 8055 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-20 00:47:22,746 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4738 Valid, 8055 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-20 00:47:22,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10472 states. [2022-07-20 00:47:23,036 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10472 to 10464. [2022-07-20 00:47:23,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10464 states, 7194 states have (on average 1.348623853211009) internal successors, (9702), 7369 states have internal predecessors, (9702), 2530 states have call successors, (2530), 740 states have call predecessors, (2530), 739 states have return successors, (2519), 2495 states have call predecessors, (2519), 2519 states have call successors, (2519) [2022-07-20 00:47:23,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10464 states to 10464 states and 14751 transitions. [2022-07-20 00:47:23,088 INFO L78 Accepts]: Start accepts. Automaton has 10464 states and 14751 transitions. Word has length 35 [2022-07-20 00:47:23,090 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 00:47:23,090 INFO L495 AbstractCegarLoop]: Abstraction has 10464 states and 14751 transitions. [2022-07-20 00:47:23,090 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-20 00:47:23,091 INFO L276 IsEmpty]: Start isEmpty. Operand 10464 states and 14751 transitions. [2022-07-20 00:47:23,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-07-20 00:47:23,091 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 00:47:23,092 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 00:47:23,125 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-07-20 00:47:23,311 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-20 00:47:23,311 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 00:47:23,312 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 00:47:23,312 INFO L85 PathProgramCache]: Analyzing trace with hash -1350855024, now seen corresponding path program 1 times [2022-07-20 00:47:23,312 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 00:47:23,312 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1657914313] [2022-07-20 00:47:23,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 00:47:23,312 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 00:47:23,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:47:23,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-20 00:47:23,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:47:23,521 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-20 00:47:23,521 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 00:47:23,521 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1657914313] [2022-07-20 00:47:23,522 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1657914313] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-20 00:47:23,522 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1124985441] [2022-07-20 00:47:23,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 00:47:23,522 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-20 00:47:23,522 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-20 00:47:23,523 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-20 00:47:23,524 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-07-20 00:47:24,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:47:24,657 INFO L263 TraceCheckSpWp]: Trace formula consists of 4894 conjuncts, 3 conjunts are in the unsatisfiable core [2022-07-20 00:47:24,662 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 00:47:24,722 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-07-20 00:47:24,723 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 00:47:24,723 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1124985441] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 00:47:24,723 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-20 00:47:24,723 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6 [2022-07-20 00:47:24,723 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [629108410] [2022-07-20 00:47:24,723 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 00:47:24,724 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 00:47:24,724 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 00:47:24,725 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 00:47:24,725 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-07-20 00:47:24,725 INFO L87 Difference]: Start difference. First operand 10464 states and 14751 transitions. Second operand has 3 states, 3 states have (on average 11.0) internal successors, (33), 2 states have internal predecessors, (33), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-20 00:47:24,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 00:47:24,899 INFO L93 Difference]: Finished difference Result 10466 states and 14752 transitions. [2022-07-20 00:47:24,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 00:47:24,899 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 2 states have internal predecessors, (33), 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 36 [2022-07-20 00:47:24,900 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 00:47:24,942 INFO L225 Difference]: With dead ends: 10466 [2022-07-20 00:47:24,942 INFO L226 Difference]: Without dead ends: 10463 [2022-07-20 00:47:24,949 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-07-20 00:47:24,950 INFO L413 NwaCegarLoop]: 4843 mSDtfsCounter, 4811 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4811 SdHoareTripleChecker+Valid, 4843 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-20 00:47:24,951 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4811 Valid, 4843 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-20 00:47:24,963 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10463 states. [2022-07-20 00:47:25,280 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10463 to 10463. [2022-07-20 00:47:25,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10463 states, 7194 states have (on average 1.3484848484848484) internal successors, (9701), 7368 states have internal predecessors, (9701), 2529 states have call successors, (2529), 740 states have call predecessors, (2529), 739 states have return successors, (2519), 2495 states have call predecessors, (2519), 2519 states have call successors, (2519) [2022-07-20 00:47:25,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10463 states to 10463 states and 14749 transitions. [2022-07-20 00:47:25,336 INFO L78 Accepts]: Start accepts. Automaton has 10463 states and 14749 transitions. Word has length 36 [2022-07-20 00:47:25,336 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 00:47:25,336 INFO L495 AbstractCegarLoop]: Abstraction has 10463 states and 14749 transitions. [2022-07-20 00:47:25,337 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 2 states have internal predecessors, (33), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-20 00:47:25,337 INFO L276 IsEmpty]: Start isEmpty. Operand 10463 states and 14749 transitions. [2022-07-20 00:47:25,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-07-20 00:47:25,338 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 00:47:25,338 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 00:47:25,368 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-07-20 00:47:25,563 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-20 00:47:25,564 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 00:47:25,564 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 00:47:25,564 INFO L85 PathProgramCache]: Analyzing trace with hash 1071820349, now seen corresponding path program 1 times [2022-07-20 00:47:25,565 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 00:47:25,565 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [698341337] [2022-07-20 00:47:25,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 00:47:25,565 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 00:47:25,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:47:25,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-20 00:47:25,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:47:25,781 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-20 00:47:25,781 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 00:47:25,781 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [698341337] [2022-07-20 00:47:25,781 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [698341337] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-20 00:47:25,781 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1762286281] [2022-07-20 00:47:25,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 00:47:25,782 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-20 00:47:25,782 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-20 00:47:25,783 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-20 00:47:25,784 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-07-20 00:47:26,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:47:26,899 INFO L263 TraceCheckSpWp]: Trace formula consists of 4896 conjuncts, 3 conjunts are in the unsatisfiable core [2022-07-20 00:47:26,902 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 00:47:26,946 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-07-20 00:47:26,947 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 00:47:26,947 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1762286281] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 00:47:26,947 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-20 00:47:26,947 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6 [2022-07-20 00:47:26,947 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1948969703] [2022-07-20 00:47:26,947 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 00:47:26,948 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 00:47:26,948 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 00:47:26,948 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 00:47:26,948 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-07-20 00:47:26,949 INFO L87 Difference]: Start difference. First operand 10463 states and 14749 transitions. Second operand has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-20 00:47:27,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 00:47:27,429 INFO L93 Difference]: Finished difference Result 27378 states and 38939 transitions. [2022-07-20 00:47:27,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 00:47:27,430 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 2 states have internal predecessors, (34), 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 37 [2022-07-20 00:47:27,431 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 00:47:27,503 INFO L225 Difference]: With dead ends: 27378 [2022-07-20 00:47:27,504 INFO L226 Difference]: Without dead ends: 16921 [2022-07-20 00:47:27,550 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-07-20 00:47:27,551 INFO L413 NwaCegarLoop]: 5609 mSDtfsCounter, 4104 mSDsluCounter, 3025 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4104 SdHoareTripleChecker+Valid, 8634 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-20 00:47:27,551 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4104 Valid, 8634 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-20 00:47:27,567 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16921 states. [2022-07-20 00:47:27,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16921 to 16878. [2022-07-20 00:47:28,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16878 states, 11605 states have (on average 1.3412322274881516) internal successors, (15565), 11889 states have internal predecessors, (15565), 3966 states have call successors, (3966), 1300 states have call predecessors, (3966), 1306 states have return successors, (4152), 3925 states have call predecessors, (4152), 3952 states have call successors, (4152) [2022-07-20 00:47:28,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16878 states to 16878 states and 23683 transitions. [2022-07-20 00:47:28,086 INFO L78 Accepts]: Start accepts. Automaton has 16878 states and 23683 transitions. Word has length 37 [2022-07-20 00:47:28,086 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 00:47:28,087 INFO L495 AbstractCegarLoop]: Abstraction has 16878 states and 23683 transitions. [2022-07-20 00:47:28,087 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-20 00:47:28,087 INFO L276 IsEmpty]: Start isEmpty. Operand 16878 states and 23683 transitions. [2022-07-20 00:47:28,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-07-20 00:47:28,089 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 00:47:28,089 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 00:47:28,122 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-07-20 00:47:28,299 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-20 00:47:28,299 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 00:47:28,300 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 00:47:28,300 INFO L85 PathProgramCache]: Analyzing trace with hash -1134649549, now seen corresponding path program 1 times [2022-07-20 00:47:28,300 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 00:47:28,300 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [656333936] [2022-07-20 00:47:28,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 00:47:28,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 00:47:28,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:47:28,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-20 00:47:28,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:47:28,624 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-20 00:47:28,624 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 00:47:28,625 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [656333936] [2022-07-20 00:47:28,625 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [656333936] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-20 00:47:28,625 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1316899625] [2022-07-20 00:47:28,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 00:47:28,625 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-20 00:47:28,625 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-20 00:47:28,627 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-20 00:47:28,628 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-07-20 00:47:29,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:47:29,828 INFO L263 TraceCheckSpWp]: Trace formula consists of 4898 conjuncts, 3 conjunts are in the unsatisfiable core [2022-07-20 00:47:29,831 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 00:47:29,895 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-07-20 00:47:29,895 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 00:47:29,895 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1316899625] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 00:47:29,895 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-20 00:47:29,896 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6 [2022-07-20 00:47:29,896 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [524053679] [2022-07-20 00:47:29,896 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 00:47:29,896 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 00:47:29,896 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 00:47:29,897 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 00:47:29,897 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-07-20 00:47:29,897 INFO L87 Difference]: Start difference. First operand 16878 states and 23683 transitions. Second operand has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 2 states have internal predecessors, (35), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-20 00:47:30,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 00:47:30,548 INFO L93 Difference]: Finished difference Result 50578 states and 72747 transitions. [2022-07-20 00:47:30,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 00:47:30,549 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 2 states have internal predecessors, (35), 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 38 [2022-07-20 00:47:30,549 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 00:47:30,892 INFO L225 Difference]: With dead ends: 50578 [2022-07-20 00:47:30,892 INFO L226 Difference]: Without dead ends: 33706 [2022-07-20 00:47:30,947 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-07-20 00:47:30,948 INFO L413 NwaCegarLoop]: 5950 mSDtfsCounter, 4879 mSDsluCounter, 4906 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4879 SdHoareTripleChecker+Valid, 10856 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-20 00:47:30,948 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4879 Valid, 10856 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-20 00:47:30,976 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33706 states. [2022-07-20 00:47:31,932 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33706 to 33667. [2022-07-20 00:47:31,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33667 states, 23155 states have (on average 1.3415676959619953) internal successors, (31064), 23716 states have internal predecessors, (31064), 7907 states have call successors, (7907), 2595 states have call predecessors, (7907), 2604 states have return successors, (9180), 7829 states have call predecessors, (9180), 7892 states have call successors, (9180) [2022-07-20 00:47:32,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33667 states to 33667 states and 48151 transitions. [2022-07-20 00:47:32,129 INFO L78 Accepts]: Start accepts. Automaton has 33667 states and 48151 transitions. Word has length 38 [2022-07-20 00:47:32,130 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 00:47:32,130 INFO L495 AbstractCegarLoop]: Abstraction has 33667 states and 48151 transitions. [2022-07-20 00:47:32,130 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 2 states have internal predecessors, (35), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-20 00:47:32,130 INFO L276 IsEmpty]: Start isEmpty. Operand 33667 states and 48151 transitions. [2022-07-20 00:47:32,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-07-20 00:47:32,132 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 00:47:32,132 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 00:47:32,169 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-07-20 00:47:32,359 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-20 00:47:32,360 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 00:47:32,360 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 00:47:32,360 INFO L85 PathProgramCache]: Analyzing trace with hash -815734784, now seen corresponding path program 1 times [2022-07-20 00:47:32,360 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 00:47:32,360 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [171499456] [2022-07-20 00:47:32,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 00:47:32,360 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 00:47:32,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:47:32,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-20 00:47:32,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:47:32,565 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-20 00:47:32,566 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 00:47:32,566 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [171499456] [2022-07-20 00:47:32,566 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [171499456] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-20 00:47:32,566 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [572405969] [2022-07-20 00:47:32,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 00:47:32,566 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-20 00:47:32,567 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-20 00:47:32,568 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-20 00:47:32,569 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-07-20 00:47:33,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:47:33,659 INFO L263 TraceCheckSpWp]: Trace formula consists of 4900 conjuncts, 3 conjunts are in the unsatisfiable core [2022-07-20 00:47:33,662 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 00:47:33,705 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-07-20 00:47:33,705 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 00:47:33,706 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [572405969] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 00:47:33,706 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-20 00:47:33,706 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6 [2022-07-20 00:47:33,706 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [816210572] [2022-07-20 00:47:33,706 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 00:47:33,706 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 00:47:33,706 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 00:47:33,707 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 00:47:33,707 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-07-20 00:47:33,707 INFO L87 Difference]: Start difference. First operand 33667 states and 48151 transitions. Second operand has 3 states, 3 states have (on average 12.0) internal successors, (36), 2 states have internal predecessors, (36), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-20 00:47:34,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 00:47:34,346 INFO L93 Difference]: Finished difference Result 33795 states and 48241 transitions. [2022-07-20 00:47:34,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 00:47:34,347 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 2 states have internal predecessors, (36), 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 39 [2022-07-20 00:47:34,347 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 00:47:34,498 INFO L225 Difference]: With dead ends: 33795 [2022-07-20 00:47:34,499 INFO L226 Difference]: Without dead ends: 33763 [2022-07-20 00:47:34,531 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-07-20 00:47:34,533 INFO L413 NwaCegarLoop]: 4837 mSDtfsCounter, 4752 mSDsluCounter, 54 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4752 SdHoareTripleChecker+Valid, 4891 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-20 00:47:34,533 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4752 Valid, 4891 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-20 00:47:34,561 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33763 states. [2022-07-20 00:47:35,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33763 to 33761. [2022-07-20 00:47:35,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33761 states, 23221 states have (on average 1.339649455234486) internal successors, (31108), 23781 states have internal predecessors, (31108), 7900 states have call successors, (7900), 2630 states have call predecessors, (7900), 2639 states have return successors, (9174), 7823 states have call predecessors, (9174), 7886 states have call successors, (9174) [2022-07-20 00:47:35,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33761 states to 33761 states and 48182 transitions. [2022-07-20 00:47:35,995 INFO L78 Accepts]: Start accepts. Automaton has 33761 states and 48182 transitions. Word has length 39 [2022-07-20 00:47:35,995 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 00:47:35,995 INFO L495 AbstractCegarLoop]: Abstraction has 33761 states and 48182 transitions. [2022-07-20 00:47:35,996 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 2 states have internal predecessors, (36), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-20 00:47:35,996 INFO L276 IsEmpty]: Start isEmpty. Operand 33761 states and 48182 transitions. [2022-07-20 00:47:35,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-07-20 00:47:35,999 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 00:47:35,999 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 00:47:36,025 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2022-07-20 00:47:36,223 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-20 00:47:36,224 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 00:47:36,224 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 00:47:36,224 INFO L85 PathProgramCache]: Analyzing trace with hash 775182156, now seen corresponding path program 1 times [2022-07-20 00:47:36,224 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 00:47:36,224 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1767731003] [2022-07-20 00:47:36,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 00:47:36,225 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 00:47:36,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:47:36,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 00:47:36,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:47:36,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:47:36,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:47:36,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:47:36,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:47:36,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-20 00:47:36,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:47:36,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-20 00:47:36,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:47:36,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-07-20 00:47:36,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:47:36,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-07-20 00:47:36,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:47:36,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2022-07-20 00:47:36,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:47:36,622 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-20 00:47:36,622 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 00:47:36,622 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1767731003] [2022-07-20 00:47:36,622 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1767731003] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 00:47:36,623 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 00:47:36,623 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-20 00:47:36,623 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1008588998] [2022-07-20 00:47:36,623 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 00:47:36,623 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-20 00:47:36,624 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 00:47:36,624 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-20 00:47:36,624 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-07-20 00:47:36,624 INFO L87 Difference]: Start difference. First operand 33761 states and 48182 transitions. Second operand has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 3 states have internal predecessors, (50), 2 states have call successors, (12), 5 states have call predecessors, (12), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-07-20 00:47:41,284 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 00:47:43,397 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 00:47:49,927 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 00:47:57,746 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.39s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 00:47:59,346 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.60s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 00:48:07,574 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 00:48:07,575 INFO L93 Difference]: Finished difference Result 114039 states and 167242 transitions. [2022-07-20 00:48:07,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-07-20 00:48:07,576 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 3 states have internal predecessors, (50), 2 states have call successors, (12), 5 states have call predecessors, (12), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 70 [2022-07-20 00:48:07,576 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 00:48:07,952 INFO L225 Difference]: With dead ends: 114039 [2022-07-20 00:48:07,952 INFO L226 Difference]: Without dead ends: 80284 [2022-07-20 00:48:08,066 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2022-07-20 00:48:08,067 INFO L413 NwaCegarLoop]: 4702 mSDtfsCounter, 11878 mSDsluCounter, 5938 mSDsCounter, 0 mSdLazyCounter, 11431 mSolverCounterSat, 7520 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 26.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12622 SdHoareTripleChecker+Valid, 10640 SdHoareTripleChecker+Invalid, 18953 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7520 IncrementalHoareTripleChecker+Valid, 11431 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 28.6s IncrementalHoareTripleChecker+Time [2022-07-20 00:48:08,068 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12622 Valid, 10640 Invalid, 18953 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7520 Valid, 11431 Invalid, 2 Unknown, 0 Unchecked, 28.6s Time] [2022-07-20 00:48:08,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80284 states. [2022-07-20 00:48:10,504 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80284 to 72962. [2022-07-20 00:48:10,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72962 states, 50120 states have (on average 1.3353551476456504) internal successors, (66928), 51196 states have internal predecessors, (66928), 17123 states have call successors, (17123), 5257 states have call predecessors, (17123), 5718 states have return successors, (21132), 17520 states have call predecessors, (21132), 17108 states have call successors, (21132) [2022-07-20 00:48:11,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72962 states to 72962 states and 105183 transitions. [2022-07-20 00:48:11,078 INFO L78 Accepts]: Start accepts. Automaton has 72962 states and 105183 transitions. Word has length 70 [2022-07-20 00:48:11,078 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 00:48:11,078 INFO L495 AbstractCegarLoop]: Abstraction has 72962 states and 105183 transitions. [2022-07-20 00:48:11,078 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 3 states have internal predecessors, (50), 2 states have call successors, (12), 5 states have call predecessors, (12), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-07-20 00:48:11,078 INFO L276 IsEmpty]: Start isEmpty. Operand 72962 states and 105183 transitions. [2022-07-20 00:48:11,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-07-20 00:48:11,085 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 00:48:11,085 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 00:48:11,085 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-07-20 00:48:11,086 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 00:48:11,086 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 00:48:11,086 INFO L85 PathProgramCache]: Analyzing trace with hash 130058374, now seen corresponding path program 1 times [2022-07-20 00:48:11,086 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 00:48:11,086 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2046777104] [2022-07-20 00:48:11,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 00:48:11,086 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 00:48:11,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:48:11,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-07-20 00:48:11,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:48:11,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:48:11,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:48:11,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:48:11,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:48:11,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-20 00:48:11,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:48:11,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:48:11,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:48:11,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-20 00:48:11,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:48:11,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:48:11,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:48:11,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-20 00:48:11,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:48:11,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:48:11,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:48:11,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-20 00:48:11,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:48:11,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:48:11,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:48:11,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2022-07-20 00:48:11,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:48:11,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:48:11,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:48:11,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-20 00:48:11,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:48:11,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-20 00:48:11,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:48:11,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-07-20 00:48:11,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:48:11,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-07-20 00:48:11,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:48:11,499 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2022-07-20 00:48:11,499 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 00:48:11,499 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2046777104] [2022-07-20 00:48:11,500 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2046777104] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 00:48:11,500 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 00:48:11,500 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-20 00:48:11,500 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [317457146] [2022-07-20 00:48:11,500 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 00:48:11,501 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-20 00:48:11,501 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 00:48:11,502 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-20 00:48:11,502 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-07-20 00:48:11,502 INFO L87 Difference]: Start difference. First operand 72962 states and 105183 transitions. Second operand has 7 states, 7 states have (on average 8.714285714285714) internal successors, (61), 3 states have internal predecessors, (61), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-07-20 00:48:17,283 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 [] [2022-07-20 00:48:32,389 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.39s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 00:48:34,425 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 00:48:38,837 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 [] [2022-07-20 00:48:43,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 00:48:43,748 INFO L93 Difference]: Finished difference Result 178532 states and 260995 transitions. [2022-07-20 00:48:43,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-07-20 00:48:43,748 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.714285714285714) internal successors, (61), 3 states have internal predecessors, (61), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 116 [2022-07-20 00:48:43,749 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 00:48:44,275 INFO L225 Difference]: With dead ends: 178532 [2022-07-20 00:48:44,275 INFO L226 Difference]: Without dead ends: 105576 [2022-07-20 00:48:44,461 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=55, Invalid=101, Unknown=0, NotChecked=0, Total=156 [2022-07-20 00:48:44,462 INFO L413 NwaCegarLoop]: 3948 mSDtfsCounter, 11021 mSDsluCounter, 2573 mSDsCounter, 0 mSdLazyCounter, 11472 mSolverCounterSat, 7321 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 26.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11709 SdHoareTripleChecker+Valid, 6521 SdHoareTripleChecker+Invalid, 18796 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7321 IncrementalHoareTripleChecker+Valid, 11472 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 28.6s IncrementalHoareTripleChecker+Time [2022-07-20 00:48:44,462 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11709 Valid, 6521 Invalid, 18796 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7321 Valid, 11472 Invalid, 3 Unknown, 0 Unchecked, 28.6s Time] [2022-07-20 00:48:44,551 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105576 states. [2022-07-20 00:48:47,625 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105576 to 95870. [2022-07-20 00:48:47,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95870 states, 65749 states have (on average 1.3317464904409193) internal successors, (87561), 67223 states have internal predecessors, (87561), 22346 states have call successors, (22346), 7154 states have call predecessors, (22346), 7774 states have return successors, (27627), 22846 states have call predecessors, (27627), 22331 states have call successors, (27627) [2022-07-20 00:48:48,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95870 states to 95870 states and 137534 transitions. [2022-07-20 00:48:48,424 INFO L78 Accepts]: Start accepts. Automaton has 95870 states and 137534 transitions. Word has length 116 [2022-07-20 00:48:48,424 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 00:48:48,424 INFO L495 AbstractCegarLoop]: Abstraction has 95870 states and 137534 transitions. [2022-07-20 00:48:48,425 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.714285714285714) internal successors, (61), 3 states have internal predecessors, (61), 2 states have call successors, (17), 6 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-07-20 00:48:48,425 INFO L276 IsEmpty]: Start isEmpty. Operand 95870 states and 137534 transitions. [2022-07-20 00:48:48,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2022-07-20 00:48:48,428 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 00:48:48,428 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-07-20 00:48:48,428 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-07-20 00:48:48,428 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 00:48:48,429 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 00:48:48,429 INFO L85 PathProgramCache]: Analyzing trace with hash -156120456, now seen corresponding path program 1 times [2022-07-20 00:48:48,429 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 00:48:48,429 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1297206018] [2022-07-20 00:48:48,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 00:48:48,429 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 00:48:48,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:48:48,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-20 00:48:48,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:48:48,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-07-20 00:48:48,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:48:48,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:48:48,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:48:48,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:48:48,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:48:48,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-07-20 00:48:48,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:48:48,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:48:48,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:48:48,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:48:48,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:48:48,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-20 00:48:48,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:48:48,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-07-20 00:48:48,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:48:48,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-07-20 00:48:48,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:48:48,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-07-20 00:48:48,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:48:48,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-07-20 00:48:48,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:48:48,858 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-07-20 00:48:48,858 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 00:48:48,858 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1297206018] [2022-07-20 00:48:48,858 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1297206018] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-20 00:48:48,858 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [267545413] [2022-07-20 00:48:48,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 00:48:48,859 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-20 00:48:48,859 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-20 00:48:48,860 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-20 00:48:48,861 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-07-20 00:48:50,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:48:50,040 INFO L263 TraceCheckSpWp]: Trace formula consists of 5716 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-20 00:48:50,045 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 00:48:50,115 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-07-20 00:48:50,115 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 00:48:50,115 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [267545413] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 00:48:50,115 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-20 00:48:50,115 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 9 [2022-07-20 00:48:50,116 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1425293209] [2022-07-20 00:48:50,116 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 00:48:50,116 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 00:48:50,116 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 00:48:50,116 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 00:48:50,116 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2022-07-20 00:48:50,117 INFO L87 Difference]: Start difference. First operand 95870 states and 137534 transitions. Second operand has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 3 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2022-07-20 00:48:54,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 00:48:54,744 INFO L93 Difference]: Finished difference Result 236948 states and 339851 transitions. [2022-07-20 00:48:54,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 00:48:54,744 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 3 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) Word has length 118 [2022-07-20 00:48:54,744 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 00:48:55,361 INFO L225 Difference]: With dead ends: 236948 [2022-07-20 00:48:55,361 INFO L226 Difference]: Without dead ends: 141084 [2022-07-20 00:48:55,617 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 145 GetRequests, 138 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2022-07-20 00:48:55,617 INFO L413 NwaCegarLoop]: 6106 mSDtfsCounter, 4791 mSDsluCounter, 4798 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4791 SdHoareTripleChecker+Valid, 10904 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-20 00:48:55,618 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4791 Valid, 10904 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-20 00:48:55,860 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141084 states. [2022-07-20 00:49:00,203 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141084 to 141035. [2022-07-20 00:49:00,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 141035 states, 96771 states have (on average 1.3318349505533682) internal successors, (128883), 98932 states have internal predecessors, (128883), 32829 states have call successors, (32829), 10529 states have call predecessors, (32829), 11434 states have return successors, (40545), 33563 states have call predecessors, (40545), 32813 states have call successors, (40545) [2022-07-20 00:49:01,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141035 states to 141035 states and 202257 transitions. [2022-07-20 00:49:01,407 INFO L78 Accepts]: Start accepts. Automaton has 141035 states and 202257 transitions. Word has length 118 [2022-07-20 00:49:01,407 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 00:49:01,407 INFO L495 AbstractCegarLoop]: Abstraction has 141035 states and 202257 transitions. [2022-07-20 00:49:01,407 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 3 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2022-07-20 00:49:01,407 INFO L276 IsEmpty]: Start isEmpty. Operand 141035 states and 202257 transitions. [2022-07-20 00:49:01,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2022-07-20 00:49:01,411 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 00:49:01,411 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 00:49:01,439 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-07-20 00:49:01,632 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2022-07-20 00:49:01,632 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 00:49:01,633 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 00:49:01,633 INFO L85 PathProgramCache]: Analyzing trace with hash 1927376758, now seen corresponding path program 1 times [2022-07-20 00:49:01,633 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 00:49:01,633 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1443285221] [2022-07-20 00:49:01,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 00:49:01,633 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 00:49:01,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:49:01,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-20 00:49:01,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:49:01,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-07-20 00:49:01,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:49:01,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:49:01,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:49:01,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:49:01,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:49:01,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 00:49:01,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:49:01,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-20 00:49:01,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:49:01,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-07-20 00:49:01,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:49:01,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:49:01,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:49:01,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:49:01,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:49:02,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:49:02,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:49:02,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-20 00:49:02,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:49:02,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-20 00:49:02,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:49:02,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-20 00:49:02,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:49:02,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-07-20 00:49:02,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:49:02,299 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 10 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-07-20 00:49:02,299 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 00:49:02,299 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1443285221] [2022-07-20 00:49:02,299 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1443285221] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-20 00:49:02,300 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1020175517] [2022-07-20 00:49:02,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 00:49:02,300 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-20 00:49:02,300 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-20 00:49:02,301 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-20 00:49:02,302 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-07-20 00:49:03,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:49:03,442 INFO L263 TraceCheckSpWp]: Trace formula consists of 5942 conjuncts, 3 conjunts are in the unsatisfiable core [2022-07-20 00:49:03,446 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 00:49:03,485 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 10 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-07-20 00:49:03,485 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-20 00:49:03,581 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 10 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-07-20 00:49:03,581 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1020175517] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-20 00:49:03,581 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-20 00:49:03,581 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 4, 4] total 10 [2022-07-20 00:49:03,582 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [58451919] [2022-07-20 00:49:03,582 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-20 00:49:03,582 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-07-20 00:49:03,582 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 00:49:03,582 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-07-20 00:49:03,583 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2022-07-20 00:49:03,583 INFO L87 Difference]: Start difference. First operand 141035 states and 202257 transitions. Second operand has 10 states, 10 states have (on average 14.3) internal successors, (143), 7 states have internal predecessors, (143), 5 states have call successors, (37), 5 states have call predecessors, (37), 2 states have return successors, (29), 5 states have call predecessors, (29), 5 states have call successors, (29) [2022-07-20 00:49:07,437 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 [] [2022-07-20 00:49:26,552 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.75s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 00:49:28,876 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.59s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 00:49:32,455 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 [] [2022-07-20 00:49:41,981 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 00:49:41,981 INFO L93 Difference]: Finished difference Result 297306 states and 432532 transitions. [2022-07-20 00:49:41,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-07-20 00:49:41,982 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 14.3) internal successors, (143), 7 states have internal predecessors, (143), 5 states have call successors, (37), 5 states have call predecessors, (37), 2 states have return successors, (29), 5 states have call predecessors, (29), 5 states have call successors, (29) Word has length 122 [2022-07-20 00:49:41,982 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 00:49:42,879 INFO L225 Difference]: With dead ends: 297306 [2022-07-20 00:49:42,879 INFO L226 Difference]: Without dead ends: 156277 [2022-07-20 00:49:43,536 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 276 GetRequests, 267 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2022-07-20 00:49:43,536 INFO L413 NwaCegarLoop]: 4120 mSDtfsCounter, 3275 mSDsluCounter, 5522 mSDsCounter, 0 mSdLazyCounter, 8814 mSolverCounterSat, 1698 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 27.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3787 SdHoareTripleChecker+Valid, 9642 SdHoareTripleChecker+Invalid, 10514 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1698 IncrementalHoareTripleChecker+Valid, 8814 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 30.0s IncrementalHoareTripleChecker+Time [2022-07-20 00:49:43,537 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3787 Valid, 9642 Invalid, 10514 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1698 Valid, 8814 Invalid, 2 Unknown, 0 Unchecked, 30.0s Time] [2022-07-20 00:49:43,678 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156277 states. [2022-07-20 00:49:51,279 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156277 to 141559. [2022-07-20 00:49:51,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 141559 states, 97131 states have (on average 1.330934511124152) internal successors, (129275), 99292 states have internal predecessors, (129275), 32897 states have call successors, (32897), 10529 states have call predecessors, (32897), 11530 states have return successors, (40721), 33727 states have call predecessors, (40721), 32881 states have call successors, (40721) [2022-07-20 00:49:52,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141559 states to 141559 states and 202893 transitions. [2022-07-20 00:49:52,433 INFO L78 Accepts]: Start accepts. Automaton has 141559 states and 202893 transitions. Word has length 122 [2022-07-20 00:49:52,434 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 00:49:52,434 INFO L495 AbstractCegarLoop]: Abstraction has 141559 states and 202893 transitions. [2022-07-20 00:49:52,434 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 14.3) internal successors, (143), 7 states have internal predecessors, (143), 5 states have call successors, (37), 5 states have call predecessors, (37), 2 states have return successors, (29), 5 states have call predecessors, (29), 5 states have call successors, (29) [2022-07-20 00:49:52,434 INFO L276 IsEmpty]: Start isEmpty. Operand 141559 states and 202893 transitions. [2022-07-20 00:49:52,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2022-07-20 00:49:52,438 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 00:49:52,438 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 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] [2022-07-20 00:49:52,465 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2022-07-20 00:49:52,663 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2022-07-20 00:49:52,663 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 00:49:52,664 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 00:49:52,664 INFO L85 PathProgramCache]: Analyzing trace with hash 1092744394, now seen corresponding path program 2 times [2022-07-20 00:49:52,664 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 00:49:52,664 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [437787703] [2022-07-20 00:49:52,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 00:49:52,664 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 00:49:52,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:49:52,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-20 00:49:52,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:49:52,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-20 00:49:52,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:49:52,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-07-20 00:49:52,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:49:52,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-07-20 00:49:52,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:49:53,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-07-20 00:49:53,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:49:53,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:49:53,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:49:53,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:49:53,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:49:53,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 00:49:53,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:49:53,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-20 00:49:53,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:49:53,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-07-20 00:49:53,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:49:53,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:49:53,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:49:53,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:49:53,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:49:53,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:49:53,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:49:53,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-20 00:49:53,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:49:53,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-07-20 00:49:53,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:49:53,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-07-20 00:49:53,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:49:53,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-07-20 00:49:53,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:49:53,172 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2022-07-20 00:49:53,172 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 00:49:53,172 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [437787703] [2022-07-20 00:49:53,172 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [437787703] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 00:49:53,173 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 00:49:53,173 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-20 00:49:53,173 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [628201894] [2022-07-20 00:49:53,174 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 00:49:53,174 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-20 00:49:53,174 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 00:49:53,174 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-20 00:49:53,175 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-07-20 00:49:53,175 INFO L87 Difference]: Start difference. First operand 141559 states and 202893 transitions. Second operand has 7 states, 7 states have (on average 12.857142857142858) internal successors, (90), 4 states have internal predecessors, (90), 2 states have call successors, (16), 5 states have call predecessors, (16), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-07-20 00:49:58,560 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 [] [2022-07-20 00:50:00,651 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []