./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--misc--sgi-xp--xpc.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6c24879c 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-43_2a-drivers--misc--sgi-xp--xpc.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 34bfb407ab3285beb6e4618a31251a3cfac86b629af8c3915889881b8af28c9e --- Real Ultimate output --- This is Ultimate 0.2.2-?-6c24879 [2022-07-12 14:08:43,508 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-12 14:08:43,510 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-12 14:08:43,544 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-12 14:08:43,544 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-12 14:08:43,547 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-12 14:08:43,548 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-12 14:08:43,550 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-12 14:08:43,551 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-12 14:08:43,554 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-12 14:08:43,555 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-12 14:08:43,556 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-12 14:08:43,556 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-12 14:08:43,558 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-12 14:08:43,558 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-12 14:08:43,560 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-12 14:08:43,561 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-12 14:08:43,562 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-12 14:08:43,563 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-12 14:08:43,567 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-12 14:08:43,568 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-12 14:08:43,568 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-12 14:08:43,569 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-12 14:08:43,570 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-12 14:08:43,571 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-12 14:08:43,575 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-12 14:08:43,576 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-12 14:08:43,576 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-12 14:08:43,577 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-12 14:08:43,577 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-12 14:08:43,578 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-12 14:08:43,578 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-12 14:08:43,579 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-12 14:08:43,580 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-12 14:08:43,580 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-12 14:08:43,580 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-12 14:08:43,581 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-12 14:08:43,581 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-12 14:08:43,581 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-12 14:08:43,581 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-12 14:08:43,582 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-12 14:08:43,583 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-12 14:08:43,583 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-12 14:08:43,606 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-12 14:08:43,606 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-12 14:08:43,606 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-12 14:08:43,606 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-12 14:08:43,607 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-12 14:08:43,607 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-12 14:08:43,608 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-12 14:08:43,608 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-12 14:08:43,608 INFO L138 SettingsManager]: * Use SBE=true [2022-07-12 14:08:43,608 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-12 14:08:43,609 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-12 14:08:43,609 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-12 14:08:43,609 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-12 14:08:43,609 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-12 14:08:43,609 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-12 14:08:43,609 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-12 14:08:43,609 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-12 14:08:43,609 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-12 14:08:43,610 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-12 14:08:43,610 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-12 14:08:43,610 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-12 14:08:43,610 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 14:08:43,610 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-12 14:08:43,610 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-12 14:08:43,610 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-12 14:08:43,611 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-12 14:08:43,611 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-12 14:08:43,611 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-12 14:08:43,611 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-12 14:08:43,611 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-12 14:08:43,611 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 34bfb407ab3285beb6e4618a31251a3cfac86b629af8c3915889881b8af28c9e [2022-07-12 14:08:43,787 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-12 14:08:43,801 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-12 14:08:43,803 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-12 14:08:43,804 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-12 14:08:43,805 INFO L275 PluginConnector]: CDTParser initialized [2022-07-12 14:08:43,806 INFO L432 ainManager$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-43_2a-drivers--misc--sgi-xp--xpc.ko-entry_point.cil.out.i [2022-07-12 14:08:43,874 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8a0c97fab/f8852e41938a483192420dfb54f24150/FLAGfd5346c00 [2022-07-12 14:08:44,521 INFO L306 CDTParser]: Found 1 translation units. [2022-07-12 14:08:44,522 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--misc--sgi-xp--xpc.ko-entry_point.cil.out.i [2022-07-12 14:08:44,553 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8a0c97fab/f8852e41938a483192420dfb54f24150/FLAGfd5346c00 [2022-07-12 14:08:44,669 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8a0c97fab/f8852e41938a483192420dfb54f24150 [2022-07-12 14:08:44,671 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-12 14:08:44,672 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-12 14:08:44,673 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-12 14:08:44,673 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-12 14:08:44,675 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-12 14:08:44,676 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 02:08:44" (1/1) ... [2022-07-12 14:08:44,676 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18afc9fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:08:44, skipping insertion in model container [2022-07-12 14:08:44,677 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 02:08:44" (1/1) ... [2022-07-12 14:08:44,681 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-12 14:08:44,786 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-12 14:08:46,034 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-43_2a-drivers--misc--sgi-xp--xpc.ko-entry_point.cil.out.i[342209,342222] [2022-07-12 14:08:46,083 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 14:08:46,167 INFO L203 MainTranslator]: Completed pre-run [2022-07-12 14:08:46,434 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-43_2a-drivers--misc--sgi-xp--xpc.ko-entry_point.cil.out.i[342209,342222] [2022-07-12 14:08:46,442 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 14:08:46,512 INFO L208 MainTranslator]: Completed translation [2022-07-12 14:08:46,514 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:08:46 WrapperNode [2022-07-12 14:08:46,514 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-12 14:08:46,515 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-12 14:08:46,515 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-12 14:08:46,515 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-12 14:08:46,520 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:08:46" (1/1) ... [2022-07-12 14:08:46,607 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:08:46" (1/1) ... [2022-07-12 14:08:46,829 INFO L137 Inliner]: procedures = 334, calls = 3839, calls flagged for inlining = 113, calls inlined = 106, statements flattened = 6922 [2022-07-12 14:08:46,830 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-12 14:08:46,831 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-12 14:08:46,831 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-12 14:08:46,831 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-12 14:08:46,837 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:08:46" (1/1) ... [2022-07-12 14:08:46,838 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:08:46" (1/1) ... [2022-07-12 14:08:46,886 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:08:46" (1/1) ... [2022-07-12 14:08:46,887 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:08:46" (1/1) ... [2022-07-12 14:08:47,012 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:08:46" (1/1) ... [2022-07-12 14:08:47,038 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:08:46" (1/1) ... [2022-07-12 14:08:47,079 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:08:46" (1/1) ... [2022-07-12 14:08:47,114 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-12 14:08:47,115 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-12 14:08:47,115 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-12 14:08:47,115 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-12 14:08:47,116 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:08:46" (1/1) ... [2022-07-12 14:08:47,122 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 14:08:47,128 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-12 14:08:47,153 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) [2022-07-12 14:08:47,175 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 [2022-07-12 14:08:47,186 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_setup_msg_structures_uv [2022-07-12 14:08:47,186 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_setup_msg_structures_uv [2022-07-12 14:08:47,186 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-07-12 14:08:47,187 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-07-12 14:08:47,187 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_heartbeat_init_uv [2022-07-12 14:08:47,187 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_heartbeat_init_uv [2022-07-12 14:08:47,187 INFO L130 BoogieDeclarations]: Found specification of procedure __cmpxchg_wrong_size [2022-07-12 14:08:47,187 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_allow_hb_uv [2022-07-12 14:08:47,187 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_allow_hb_uv [2022-07-12 14:08:47,187 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_teardown_partitions_uv [2022-07-12 14:08:47,188 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_teardown_partitions_uv [2022-07-12 14:08:47,188 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_kthread_waitmsgs [2022-07-12 14:08:47,188 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_kthread_waitmsgs [2022-07-12 14:08:47,188 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_send_chctl_opencomplete_uv [2022-07-12 14:08:47,188 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_send_chctl_opencomplete_uv [2022-07-12 14:08:47,188 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-12 14:08:47,188 INFO L130 BoogieDeclarations]: Found specification of procedure wake_up_process [2022-07-12 14:08:47,188 INFO L138 BoogieDeclarations]: Found implementation of procedure wake_up_process [2022-07-12 14:08:47,189 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-12 14:08:47,189 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-12 14:08:47,189 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-12 14:08:47,189 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-12 14:08:47,189 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-12 14:08:47,189 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_teardown_msg_structures_uv [2022-07-12 14:08:47,189 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_teardown_msg_structures_uv [2022-07-12 14:08:47,189 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_teardown_rsvd_page [2022-07-12 14:08:47,189 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_teardown_rsvd_page [2022-07-12 14:08:47,190 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_partition_disengaged [2022-07-12 14:08:47,190 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_partition_disengaged [2022-07-12 14:08:47,190 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_wakeup_channel_mgr [2022-07-12 14:08:47,190 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_wakeup_channel_mgr [2022-07-12 14:08:47,190 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2022-07-12 14:08:47,190 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2022-07-12 14:08:47,190 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-07-12 14:08:47,190 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-07-12 14:08:47,191 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2022-07-12 14:08:47,191 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2022-07-12 14:08:47,191 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_sub_return [2022-07-12 14:08:47,191 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_sub_return [2022-07-12 14:08:47,191 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-12 14:08:47,191 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-12 14:08:47,191 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_kmalloc_cacheline_aligned [2022-07-12 14:08:47,191 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_kmalloc_cacheline_aligned [2022-07-12 14:08:47,192 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_setup_partitions_uv [2022-07-12 14:08:47,192 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_setup_partitions_uv [2022-07-12 14:08:47,192 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_offline_heartbeat_uv [2022-07-12 14:08:47,192 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_offline_heartbeat_uv [2022-07-12 14:08:47,192 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_release_gru_mq_irq_uv [2022-07-12 14:08:47,192 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_release_gru_mq_irq_uv [2022-07-12 14:08:47,192 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~X~int~TO~int [2022-07-12 14:08:47,192 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~X~int~TO~int [2022-07-12 14:08:47,193 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2022-07-12 14:08:47,193 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_notify_sender_uv [2022-07-12 14:08:47,193 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_notify_sender_uv [2022-07-12 14:08:47,193 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_die_deactivate [2022-07-12 14:08:47,193 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_die_deactivate [2022-07-12 14:08:47,194 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_process_connect [2022-07-12 14:08:47,194 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_process_connect [2022-07-12 14:08:47,194 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-07-12 14:08:47,195 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-07-12 14:08:47,195 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2022-07-12 14:08:47,195 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2022-07-12 14:08:47,196 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_die_notifier [2022-07-12 14:08:47,196 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_die_notifier [2022-07-12 14:08:47,196 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_check_remote_hb [2022-07-12 14:08:47,196 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_check_remote_hb [2022-07-12 14:08:47,196 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-07-12 14:08:47,197 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-07-12 14:08:47,197 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-07-12 14:08:47,197 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-07-12 14:08:47,197 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_init_fifo_uv [2022-07-12 14:08:47,197 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_init_fifo_uv [2022-07-12 14:08:47,197 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_msgqueue_ref [2022-07-12 14:08:47,198 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_msgqueue_ref [2022-07-12 14:08:47,198 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_received_payload_uv [2022-07-12 14:08:47,198 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_received_payload_uv [2022-07-12 14:08:47,198 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-07-12 14:08:47,199 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-07-12 14:08:47,199 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-12 14:08:47,199 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-12 14:08:47,199 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_kthread_start [2022-07-12 14:08:47,199 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_kthread_start [2022-07-12 14:08:47,199 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-07-12 14:08:47,200 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-07-12 14:08:47,200 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_part_ref [2022-07-12 14:08:47,200 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_part_ref [2022-07-12 14:08:47,200 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_create_kthreads [2022-07-12 14:08:47,200 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_create_kthreads [2022-07-12 14:08:47,200 INFO L130 BoogieDeclarations]: Found specification of procedure msleep_interruptible [2022-07-12 14:08:47,200 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep_interruptible [2022-07-12 14:08:47,201 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_send_local_activate_IRQ_uv [2022-07-12 14:08:47,201 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_send_local_activate_IRQ_uv [2022-07-12 14:08:47,201 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_exit_uv [2022-07-12 14:08:47,202 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_exit_uv [2022-07-12 14:08:47,202 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-07-12 14:08:47,202 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-07-12 14:08:47,202 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_put_fifo_entry_uv [2022-07-12 14:08:47,203 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_put_fifo_entry_uv [2022-07-12 14:08:47,203 INFO L130 BoogieDeclarations]: Found specification of procedure uv_blade_to_pnode [2022-07-12 14:08:47,203 INFO L138 BoogieDeclarations]: Found implementation of procedure uv_blade_to_pnode [2022-07-12 14:08:47,204 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_process_activate_IRQ_rcvd_uv [2022-07-12 14:08:47,204 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_process_activate_IRQ_rcvd_uv [2022-07-12 14:08:47,204 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_send_activate_IRQ_uv [2022-07-12 14:08:47,204 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_send_activate_IRQ_uv [2022-07-12 14:08:47,204 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_send_payload_uv [2022-07-12 14:08:47,204 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_send_payload_uv [2022-07-12 14:08:47,204 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_free_msg_slot_uv [2022-07-12 14:08:47,205 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_free_msg_slot_uv [2022-07-12 14:08:47,205 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-12 14:08:47,205 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-07-12 14:08:47,205 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-07-12 14:08:47,205 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_indicate_partition_engaged_uv [2022-07-12 14:08:47,205 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_indicate_partition_engaged_uv [2022-07-12 14:08:47,206 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_process_openclose_chctl_flags [2022-07-12 14:08:47,206 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_process_openclose_chctl_flags [2022-07-12 14:08:47,206 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-12 14:08:47,206 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_process_msg_chctl_flags_uv [2022-07-12 14:08:47,207 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_process_msg_chctl_flags_uv [2022-07-12 14:08:47,207 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2022-07-12 14:08:47,209 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2022-07-12 14:08:47,209 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2022-07-12 14:08:47,209 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_msgqueue_deref [2022-07-12 14:08:47,209 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_msgqueue_deref [2022-07-12 14:08:47,210 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2022-07-12 14:08:47,211 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2022-07-12 14:08:47,211 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-12 14:08:47,211 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-12 14:08:47,212 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_send_chctl_closereply_uv [2022-07-12 14:08:47,216 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_send_chctl_closereply_uv [2022-07-12 14:08:47,216 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-07-12 14:08:47,216 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-07-12 14:08:47,216 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_connect_channel [2022-07-12 14:08:47,217 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_connect_channel [2022-07-12 14:08:47,217 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_cache_remote_gru_mq_desc_uv [2022-07-12 14:08:47,217 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_cache_remote_gru_mq_desc_uv [2022-07-12 14:08:47,217 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_teardown_ch_structures_uv [2022-07-12 14:08:47,217 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_teardown_ch_structures_uv [2022-07-12 14:08:47,217 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~int [2022-07-12 14:08:47,217 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~int [2022-07-12 14:08:47,217 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-12 14:08:47,217 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_request_partition_activation_uv [2022-07-12 14:08:47,218 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_request_partition_activation_uv [2022-07-12 14:08:47,218 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_activating [2022-07-12 14:08:47,218 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_activating [2022-07-12 14:08:47,218 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-12 14:08:47,218 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_disconnect_callout [2022-07-12 14:08:47,218 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_disconnect_callout [2022-07-12 14:08:47,218 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_deactivate_partition [2022-07-12 14:08:47,218 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_deactivate_partition [2022-07-12 14:08:47,218 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_indicate_partition_disengaged_uv [2022-07-12 14:08:47,219 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_indicate_partition_disengaged_uv [2022-07-12 14:08:47,219 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_disconnect_channel [2022-07-12 14:08:47,219 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_disconnect_channel [2022-07-12 14:08:47,219 INFO L130 BoogieDeclarations]: Found specification of procedure find_next_bit [2022-07-12 14:08:47,219 INFO L138 BoogieDeclarations]: Found implementation of procedure find_next_bit [2022-07-12 14:08:47,219 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~~TO~int [2022-07-12 14:08:47,219 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~~TO~int [2022-07-12 14:08:47,219 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-07-12 14:08:47,219 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-07-12 14:08:47,219 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_channel_mgr [2022-07-12 14:08:47,220 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_channel_mgr [2022-07-12 14:08:47,220 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_save_remote_msgqueue_pa_uv [2022-07-12 14:08:47,220 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_save_remote_msgqueue_pa_uv [2022-07-12 14:08:47,220 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_send_chctl_openrequest_uv [2022-07-12 14:08:47,220 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_send_chctl_openrequest_uv [2022-07-12 14:08:47,220 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_heartbeat_exit_uv [2022-07-12 14:08:47,220 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_heartbeat_exit_uv [2022-07-12 14:08:47,220 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-07-12 14:08:47,220 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-07-12 14:08:47,221 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_setup_ch_structures [2022-07-12 14:08:47,221 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_setup_ch_structures [2022-07-12 14:08:47,221 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-07-12 14:08:47,221 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-07-12 14:08:47,221 INFO L130 BoogieDeclarations]: Found specification of procedure free_pages [2022-07-12 14:08:47,221 INFO L138 BoogieDeclarations]: Found implementation of procedure free_pages [2022-07-12 14:08:47,221 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_any_partition_engaged_uv [2022-07-12 14:08:47,221 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_any_partition_engaged_uv [2022-07-12 14:08:47,221 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2022-07-12 14:08:47,222 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2022-07-12 14:08:47,222 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2022-07-12 14:08:47,222 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2022-07-12 14:08:47,222 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-07-12 14:08:47,222 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_get_rsvd_page_pa [2022-07-12 14:08:47,222 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_get_rsvd_page_pa [2022-07-12 14:08:47,222 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_activate_partition [2022-07-12 14:08:47,222 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_activate_partition [2022-07-12 14:08:47,222 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_send_activate_IRQ_part_uv [2022-07-12 14:08:47,223 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_send_activate_IRQ_part_uv [2022-07-12 14:08:47,223 INFO L130 BoogieDeclarations]: Found specification of procedure uv_cpu_to_blade_id [2022-07-12 14:08:47,223 INFO L138 BoogieDeclarations]: Found implementation of procedure uv_cpu_to_blade_id [2022-07-12 14:08:47,223 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_initiate_discovery [2022-07-12 14:08:47,223 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_initiate_discovery [2022-07-12 14:08:47,224 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-07-12 14:08:47,224 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-07-12 14:08:47,224 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_request_partition_reactivation_uv [2022-07-12 14:08:47,224 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_request_partition_reactivation_uv [2022-07-12 14:08:47,224 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-07-12 14:08:47,225 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_activate_kthreads [2022-07-12 14:08:47,225 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_activate_kthreads [2022-07-12 14:08:47,225 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-12 14:08:47,225 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_partition_engaged_uv [2022-07-12 14:08:47,225 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_partition_engaged_uv [2022-07-12 14:08:47,225 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2022-07-12 14:08:47,225 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2022-07-12 14:08:47,225 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_send_gru_msg [2022-07-12 14:08:47,225 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_send_gru_msg [2022-07-12 14:08:47,225 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-12 14:08:47,226 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-12 14:08:47,226 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_create_gru_mq_uv [2022-07-12 14:08:47,226 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_create_gru_mq_uv [2022-07-12 14:08:47,226 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_reboot_notifier [2022-07-12 14:08:47,226 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_reboot_notifier [2022-07-12 14:08:47,226 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_part_deref [2022-07-12 14:08:47,226 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_part_deref [2022-07-12 14:08:47,226 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_send_chctl_closerequest_uv [2022-07-12 14:08:47,226 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_send_chctl_closerequest_uv [2022-07-12 14:08:47,227 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_disallow_all_hbs_uv [2022-07-12 14:08:47,227 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_disallow_all_hbs_uv [2022-07-12 14:08:47,227 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_timeout_partition_disengage [2022-07-12 14:08:47,227 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_timeout_partition_disengage [2022-07-12 14:08:47,227 INFO L130 BoogieDeclarations]: Found specification of procedure cpumask_of_node [2022-07-12 14:08:47,227 INFO L138 BoogieDeclarations]: Found implementation of procedure cpumask_of_node [2022-07-12 14:08:47,227 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_init_mq_node [2022-07-12 14:08:47,228 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_init_mq_node [2022-07-12 14:08:47,228 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_destroy_gru_mq_uv [2022-07-12 14:08:47,228 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_destroy_gru_mq_uv [2022-07-12 14:08:47,228 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_discovery [2022-07-12 14:08:47,228 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_discovery [2022-07-12 14:08:47,228 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_get_partition_rsvd_page_pa_uv [2022-07-12 14:08:47,228 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_get_partition_rsvd_page_pa_uv [2022-07-12 14:08:47,228 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait_event [2022-07-12 14:08:47,229 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait_event [2022-07-12 14:08:47,229 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-12 14:08:47,229 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-12 14:08:47,229 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_send_activate_IRQ_ch_uv [2022-07-12 14:08:47,229 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_send_activate_IRQ_ch_uv [2022-07-12 14:08:47,229 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_increment_heartbeat_uv [2022-07-12 14:08:47,229 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_increment_heartbeat_uv [2022-07-12 14:08:47,229 INFO L130 BoogieDeclarations]: Found specification of procedure put_online_cpus [2022-07-12 14:08:47,229 INFO L138 BoogieDeclarations]: Found implementation of procedure put_online_cpus [2022-07-12 14:08:47,229 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-12 14:08:47,230 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_process_sent_chctl_flags [2022-07-12 14:08:47,230 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_process_sent_chctl_flags [2022-07-12 14:08:47,230 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_get_remote_heartbeat_uv [2022-07-12 14:08:47,230 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_get_remote_heartbeat_uv [2022-07-12 14:08:47,231 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-12 14:08:47,233 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-12 14:08:47,233 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_teardown_partitions [2022-07-12 14:08:47,233 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_teardown_partitions [2022-07-12 14:08:47,233 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_process_disconnect [2022-07-12 14:08:47,233 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_process_disconnect [2022-07-12 14:08:47,233 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_do_exit [2022-07-12 14:08:47,233 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_do_exit [2022-07-12 14:08:47,233 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-07-12 14:08:47,234 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-07-12 14:08:47,234 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_online_heartbeat_uv [2022-07-12 14:08:47,235 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_online_heartbeat_uv [2022-07-12 14:08:47,235 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_get_fifo_entry_uv [2022-07-12 14:08:47,235 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_get_fifo_entry_uv [2022-07-12 14:08:47,235 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_disallow_hb_uv [2022-07-12 14:08:47,235 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_disallow_hb_uv [2022-07-12 14:08:47,235 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-12 14:08:47,235 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_send_chctl_openreply_uv [2022-07-12 14:08:47,235 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_send_chctl_openreply_uv [2022-07-12 14:08:47,235 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_1 [2022-07-12 14:08:47,236 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_1 [2022-07-12 14:08:47,236 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_hb_checker [2022-07-12 14:08:47,236 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_hb_checker [2022-07-12 14:08:47,236 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~~TO~VOID [2022-07-12 14:08:47,236 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~~TO~VOID [2022-07-12 14:08:47,236 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-07-12 14:08:47,236 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-07-12 14:08:47,236 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2022-07-12 14:08:47,236 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2022-07-12 14:08:47,236 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_setup_ch_structures_uv [2022-07-12 14:08:47,237 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_setup_ch_structures_uv [2022-07-12 14:08:47,237 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_setup_rsvd_page_uv [2022-07-12 14:08:47,237 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_setup_rsvd_page_uv [2022-07-12 14:08:47,237 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-12 14:08:47,237 INFO L130 BoogieDeclarations]: Found specification of procedure cpumask_next [2022-07-12 14:08:47,237 INFO L138 BoogieDeclarations]: Found implementation of procedure cpumask_next [2022-07-12 14:08:47,237 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2022-07-12 14:08:47,237 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2022-07-12 14:08:47,237 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_request_partition_deactivation_uv [2022-07-12 14:08:47,238 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_request_partition_deactivation_uv [2022-07-12 14:08:47,238 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_get_chctl_all_flags_uv [2022-07-12 14:08:47,238 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_get_chctl_all_flags_uv [2022-07-12 14:08:47,238 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_gru_mq_watchlist_free_uv [2022-07-12 14:08:47,238 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_gru_mq_watchlist_free_uv [2022-07-12 14:08:47,238 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_partition_going_down [2022-07-12 14:08:47,238 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_partition_going_down [2022-07-12 14:08:47,238 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion [2022-07-12 14:08:47,238 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion [2022-07-12 14:08:47,238 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-12 14:08:47,239 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-07-12 14:08:47,239 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_1 [2022-07-12 14:08:47,239 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_1 [2022-07-12 14:08:47,239 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-07-12 14:08:47,239 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-07-12 14:08:47,239 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-07-12 14:08:47,239 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-07-12 14:08:47,239 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2022-07-12 14:08:47,240 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2022-07-12 14:08:47,240 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2022-07-12 14:08:47,240 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2022-07-12 14:08:47,240 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_sysctl_table [2022-07-12 14:08:47,240 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_sysctl_table [2022-07-12 14:08:47,240 INFO L130 BoogieDeclarations]: Found specification of procedure uv_gpa [2022-07-12 14:08:47,240 INFO L138 BoogieDeclarations]: Found implementation of procedure uv_gpa [2022-07-12 14:08:47,240 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2022-07-12 14:08:47,240 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2022-07-12 14:08:47,240 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~X~int~X~$Pointer$~X~$Pointer$~TO~VOID [2022-07-12 14:08:47,241 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~X~int~X~$Pointer$~X~$Pointer$~TO~VOID [2022-07-12 14:08:47,241 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_get_deliverable_payload_uv [2022-07-12 14:08:47,241 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_get_deliverable_payload_uv [2022-07-12 14:08:47,241 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_notify_senders_of_disconnect_uv [2022-07-12 14:08:47,241 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_notify_senders_of_disconnect_uv [2022-07-12 14:08:47,241 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_add_return [2022-07-12 14:08:47,241 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_add_return [2022-07-12 14:08:47,241 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_make_first_contact_uv [2022-07-12 14:08:47,241 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_make_first_contact_uv [2022-07-12 14:08:47,242 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_n_of_deliverable_payloads_uv [2022-07-12 14:08:47,242 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_n_of_deliverable_payloads_uv [2022-07-12 14:08:47,242 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_get_remote_rp [2022-07-12 14:08:47,242 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_get_remote_rp [2022-07-12 14:08:47,242 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_hb_beater [2022-07-12 14:08:47,242 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_hb_beater [2022-07-12 14:08:47,242 INFO L130 BoogieDeclarations]: Found specification of procedure is_uv_system [2022-07-12 14:08:47,242 INFO L138 BoogieDeclarations]: Found implementation of procedure is_uv_system [2022-07-12 14:08:47,242 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-07-12 14:08:47,243 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-07-12 14:08:47,243 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2022-07-12 14:08:47,243 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2022-07-12 14:08:47,243 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2022-07-12 14:08:47,243 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2022-07-12 14:08:47,243 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-12 14:08:47,243 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2022-07-12 14:08:47,243 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2022-07-12 14:08:47,243 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2022-07-12 14:08:47,244 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2022-07-12 14:08:47,244 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-12 14:08:47,244 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-12 14:08:47,244 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_assume_partition_disengaged_uv [2022-07-12 14:08:47,244 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_assume_partition_disengaged_uv [2022-07-12 14:08:47,244 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-07-12 14:08:47,244 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-07-12 14:08:47,244 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_cancel_partition_deactivation_request_uv [2022-07-12 14:08:47,244 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_cancel_partition_deactivation_request_uv [2022-07-12 14:08:47,971 INFO L234 CfgBuilder]: Building ICFG [2022-07-12 14:08:47,974 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-12 14:08:48,281 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-12 14:09:01,050 INFO L275 CfgBuilder]: Performing block encoding [2022-07-12 14:09:01,073 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-12 14:09:01,073 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-12 14:09:01,076 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 02:09:01 BoogieIcfgContainer [2022-07-12 14:09:01,076 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-12 14:09:01,078 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-12 14:09:01,078 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-12 14:09:01,080 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-12 14:09:01,080 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.07 02:08:44" (1/3) ... [2022-07-12 14:09:01,081 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72c4e4ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.07 02:09:01, skipping insertion in model container [2022-07-12 14:09:01,081 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:08:46" (2/3) ... [2022-07-12 14:09:01,081 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72c4e4ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.07 02:09:01, skipping insertion in model container [2022-07-12 14:09:01,081 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 02:09:01" (3/3) ... [2022-07-12 14:09:01,083 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--misc--sgi-xp--xpc.ko-entry_point.cil.out.i [2022-07-12 14:09:01,094 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-12 14:09:01,094 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-12 14:09:01,166 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-12 14:09:01,173 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@5cbbcad3, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@7a8e5368 [2022-07-12 14:09:01,173 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-12 14:09:01,182 INFO L276 IsEmpty]: Start isEmpty. Operand has 2868 states, 1959 states have (on average 1.3905053598774886) internal successors, (2724), 2068 states have internal predecessors, (2724), 744 states have call successors, (744), 164 states have call predecessors, (744), 163 states have return successors, (739), 703 states have call predecessors, (739), 739 states have call successors, (739) [2022-07-12 14:09:01,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2022-07-12 14:09:01,199 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 14:09:01,200 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 14:09:01,200 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 14:09:01,204 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 14:09:01,205 INFO L85 PathProgramCache]: Analyzing trace with hash -187005460, now seen corresponding path program 1 times [2022-07-12 14:09:01,210 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 14:09:01,211 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [736642056] [2022-07-12 14:09:01,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 14:09:01,212 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 14:09:01,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:09:01,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 14:09:01,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:09:01,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:09:01,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:09:01,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:09:01,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:09:01,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-12 14:09:01,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:09:01,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:09:01,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:09:01,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:09:01,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:09:01,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-12 14:09:01,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:09:01,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:09:01,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:09:01,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:09:01,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:09:01,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-12 14:09:01,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:09:01,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:09:01,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:09:01,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:09:01,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:09:01,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-12 14:09:01,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:09:01,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:09:01,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:09:01,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-12 14:09:01,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:09:01,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:09:01,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:09:01,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-07-12 14:09:01,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:09:01,998 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2022-07-12 14:09:01,999 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 14:09:01,999 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [736642056] [2022-07-12 14:09:01,999 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [736642056] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 14:09:01,999 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 14:09:02,000 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-12 14:09:02,001 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [907541936] [2022-07-12 14:09:02,001 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 14:09:02,004 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-12 14:09:02,004 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 14:09:02,019 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-12 14:09:02,020 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-12 14:09:02,025 INFO L87 Difference]: Start difference. First operand has 2868 states, 1959 states have (on average 1.3905053598774886) internal successors, (2724), 2068 states have internal predecessors, (2724), 744 states have call successors, (744), 164 states have call predecessors, (744), 163 states have return successors, (739), 703 states have call predecessors, (739), 739 states have call successors, (739) Second operand has 5 states, 5 states have (on average 8.0) internal successors, (40), 2 states have internal predecessors, (40), 2 states have call successors, (12), 5 states have call predecessors, (12), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-07-12 14:09:04,626 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 14:09:08,633 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 [] [2022-07-12 14:09:11,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 14:09:11,453 INFO L93 Difference]: Finished difference Result 6335 states and 9749 transitions. [2022-07-12 14:09:11,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-12 14:09:11,456 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 2 states have internal predecessors, (40), 2 states have call successors, (12), 5 states have call predecessors, (12), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 109 [2022-07-12 14:09:11,456 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 14:09:11,514 INFO L225 Difference]: With dead ends: 6335 [2022-07-12 14:09:11,514 INFO L226 Difference]: Without dead ends: 3447 [2022-07-12 14:09:11,550 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2022-07-12 14:09:11,553 INFO L413 NwaCegarLoop]: 4047 mSDtfsCounter, 2759 mSDsluCounter, 2225 mSDsCounter, 0 mSdLazyCounter, 1662 mSolverCounterSat, 3116 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2834 SdHoareTripleChecker+Valid, 6272 SdHoareTripleChecker+Invalid, 4780 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3116 IncrementalHoareTripleChecker+Valid, 1662 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.1s IncrementalHoareTripleChecker+Time [2022-07-12 14:09:11,554 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2834 Valid, 6272 Invalid, 4780 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3116 Valid, 1662 Invalid, 2 Unknown, 0 Unchecked, 9.1s Time] [2022-07-12 14:09:11,569 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3447 states. [2022-07-12 14:09:11,709 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3447 to 2846. [2022-07-12 14:09:11,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2846 states, 1944 states have (on average 1.3801440329218106) internal successors, (2683), 2047 states have internal predecessors, (2683), 739 states have call successors, (739), 163 states have call predecessors, (739), 162 states have return successors, (737), 701 states have call predecessors, (737), 737 states have call successors, (737) [2022-07-12 14:09:11,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2846 states to 2846 states and 4159 transitions. [2022-07-12 14:09:11,730 INFO L78 Accepts]: Start accepts. Automaton has 2846 states and 4159 transitions. Word has length 109 [2022-07-12 14:09:11,730 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 14:09:11,731 INFO L495 AbstractCegarLoop]: Abstraction has 2846 states and 4159 transitions. [2022-07-12 14:09:11,731 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 2 states have internal predecessors, (40), 2 states have call successors, (12), 5 states have call predecessors, (12), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-07-12 14:09:11,731 INFO L276 IsEmpty]: Start isEmpty. Operand 2846 states and 4159 transitions. [2022-07-12 14:09:11,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2022-07-12 14:09:11,737 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 14:09:11,738 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 14:09:11,738 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-12 14:09:11,738 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 14:09:11,738 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 14:09:11,739 INFO L85 PathProgramCache]: Analyzing trace with hash -1739698460, now seen corresponding path program 1 times [2022-07-12 14:09:11,739 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 14:09:11,739 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [494247013] [2022-07-12 14:09:11,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 14:09:11,739 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 14:09:11,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:09:12,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 14:09:12,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:09:12,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:09:12,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:09:12,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:09:12,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:09:12,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-12 14:09:12,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:09:12,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:09:12,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:09:12,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:09:12,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:09:12,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-12 14:09:12,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:09:12,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:09:12,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:09:12,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:09:12,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:09:12,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-12 14:09:12,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:09:12,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:09:12,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:09:12,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:09:12,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:09:12,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-12 14:09:12,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:09:12,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:09:12,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:09:12,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-12 14:09:12,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:09:12,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:09:12,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:09:12,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-07-12 14:09:12,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:09:12,173 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2022-07-12 14:09:12,174 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 14:09:12,177 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [494247013] [2022-07-12 14:09:12,178 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [494247013] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 14:09:12,179 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 14:09:12,179 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-12 14:09:12,179 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [658726349] [2022-07-12 14:09:12,179 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 14:09:12,181 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-12 14:09:12,181 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 14:09:12,181 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-12 14:09:12,181 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-12 14:09:12,182 INFO L87 Difference]: Start difference. First operand 2846 states and 4159 transitions. Second operand has 6 states, 6 states have (on average 6.666666666666667) internal successors, (40), 3 states have internal predecessors, (40), 2 states have call successors, (12), 5 states have call predecessors, (12), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2022-07-12 14:09:15,616 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 14:09:21,373 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 [] [2022-07-12 14:09:26,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 14:09:26,342 INFO L93 Difference]: Finished difference Result 6695 states and 10119 transitions. [2022-07-12 14:09:26,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-12 14:09:26,342 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.666666666666667) internal successors, (40), 3 states have internal predecessors, (40), 2 states have call successors, (12), 5 states have call predecessors, (12), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 109 [2022-07-12 14:09:26,343 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 14:09:26,397 INFO L225 Difference]: With dead ends: 6695 [2022-07-12 14:09:26,397 INFO L226 Difference]: Without dead ends: 3864 [2022-07-12 14:09:26,408 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2022-07-12 14:09:26,424 INFO L413 NwaCegarLoop]: 4596 mSDtfsCounter, 2537 mSDsluCounter, 7991 mSDsCounter, 0 mSdLazyCounter, 4051 mSolverCounterSat, 2193 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2754 SdHoareTripleChecker+Valid, 12587 SdHoareTripleChecker+Invalid, 6246 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2193 IncrementalHoareTripleChecker+Valid, 4051 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.9s IncrementalHoareTripleChecker+Time [2022-07-12 14:09:26,424 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2754 Valid, 12587 Invalid, 6246 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2193 Valid, 4051 Invalid, 2 Unknown, 0 Unchecked, 13.9s Time] [2022-07-12 14:09:26,444 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3864 states. [2022-07-12 14:09:26,546 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3864 to 2847. [2022-07-12 14:09:26,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2847 states, 1945 states have (on average 1.3799485861182519) internal successors, (2684), 2048 states have internal predecessors, (2684), 739 states have call successors, (739), 163 states have call predecessors, (739), 162 states have return successors, (737), 701 states have call predecessors, (737), 737 states have call successors, (737) [2022-07-12 14:09:26,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2847 states to 2847 states and 4160 transitions. [2022-07-12 14:09:26,564 INFO L78 Accepts]: Start accepts. Automaton has 2847 states and 4160 transitions. Word has length 109 [2022-07-12 14:09:26,566 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 14:09:26,566 INFO L495 AbstractCegarLoop]: Abstraction has 2847 states and 4160 transitions. [2022-07-12 14:09:26,566 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.666666666666667) internal successors, (40), 3 states have internal predecessors, (40), 2 states have call successors, (12), 5 states have call predecessors, (12), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2022-07-12 14:09:26,566 INFO L276 IsEmpty]: Start isEmpty. Operand 2847 states and 4160 transitions. [2022-07-12 14:09:26,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2022-07-12 14:09:26,569 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 14:09:26,569 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 14:09:26,570 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-12 14:09:26,570 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 14:09:26,570 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 14:09:26,570 INFO L85 PathProgramCache]: Analyzing trace with hash 1844031708, now seen corresponding path program 1 times [2022-07-12 14:09:26,570 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 14:09:26,570 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [595460287] [2022-07-12 14:09:26,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 14:09:26,571 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 14:09:26,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:09:26,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 14:09:26,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:09:26,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:09:26,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:09:26,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:09:26,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:09:26,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-12 14:09:26,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:09:26,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:09:26,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:09:26,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:09:26,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:09:26,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-12 14:09:26,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:09:26,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:09:26,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:09:26,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:09:26,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:09:26,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-12 14:09:26,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:09:27,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:09:27,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:09:27,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:09:27,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:09:27,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-12 14:09:27,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:09:27,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:09:27,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:09:27,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-12 14:09:27,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:09:27,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:09:27,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:09:27,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-07-12 14:09:27,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:09:27,065 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2022-07-12 14:09:27,065 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 14:09:27,065 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [595460287] [2022-07-12 14:09:27,065 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [595460287] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 14:09:27,065 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 14:09:27,066 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-12 14:09:27,066 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2036381041] [2022-07-12 14:09:27,066 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 14:09:27,067 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-12 14:09:27,067 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 14:09:27,067 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-12 14:09:27,068 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-12 14:09:27,068 INFO L87 Difference]: Start difference. First operand 2847 states and 4160 transitions. Second operand has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 3 states have internal predecessors, (49), 2 states have call successors, (12), 5 states have call predecessors, (12), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2022-07-12 14:09:30,122 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 14:09:32,169 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 14:09:34,912 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 14:09:36,953 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 14:09:41,877 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 14:09:43,990 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 [] [2022-07-12 14:09:49,000 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 14:09:49,000 INFO L93 Difference]: Finished difference Result 6859 states and 10398 transitions. [2022-07-12 14:09:49,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-12 14:09:49,001 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 3 states have internal predecessors, (49), 2 states have call successors, (12), 5 states have call predecessors, (12), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 118 [2022-07-12 14:09:49,002 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 14:09:49,032 INFO L225 Difference]: With dead ends: 6859 [2022-07-12 14:09:49,032 INFO L226 Difference]: Without dead ends: 4027 [2022-07-12 14:09:49,043 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2022-07-12 14:09:49,051 INFO L413 NwaCegarLoop]: 4662 mSDtfsCounter, 2370 mSDsluCounter, 8285 mSDsCounter, 0 mSdLazyCounter, 4131 mSolverCounterSat, 2080 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2625 SdHoareTripleChecker+Valid, 12947 SdHoareTripleChecker+Invalid, 6217 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2080 IncrementalHoareTripleChecker+Valid, 4131 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21.7s IncrementalHoareTripleChecker+Time [2022-07-12 14:09:49,051 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2625 Valid, 12947 Invalid, 6217 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2080 Valid, 4131 Invalid, 6 Unknown, 0 Unchecked, 21.7s Time] [2022-07-12 14:09:49,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4027 states. [2022-07-12 14:09:49,133 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4027 to 2849. [2022-07-12 14:09:49,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2849 states, 1947 states have (on average 1.3800719054956343) internal successors, (2687), 2050 states have internal predecessors, (2687), 739 states have call successors, (739), 163 states have call predecessors, (739), 162 states have return successors, (737), 701 states have call predecessors, (737), 737 states have call successors, (737) [2022-07-12 14:09:49,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2849 states to 2849 states and 4163 transitions. [2022-07-12 14:09:49,148 INFO L78 Accepts]: Start accepts. Automaton has 2849 states and 4163 transitions. Word has length 118 [2022-07-12 14:09:49,150 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 14:09:49,150 INFO L495 AbstractCegarLoop]: Abstraction has 2849 states and 4163 transitions. [2022-07-12 14:09:49,150 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 3 states have internal predecessors, (49), 2 states have call successors, (12), 5 states have call predecessors, (12), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2022-07-12 14:09:49,150 INFO L276 IsEmpty]: Start isEmpty. Operand 2849 states and 4163 transitions. [2022-07-12 14:09:49,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2022-07-12 14:09:49,152 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 14:09:49,152 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 14:09:49,152 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-12 14:09:49,152 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 14:09:49,153 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 14:09:49,153 INFO L85 PathProgramCache]: Analyzing trace with hash -1770877218, now seen corresponding path program 1 times [2022-07-12 14:09:49,153 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 14:09:49,153 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1733719613] [2022-07-12 14:09:49,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 14:09:49,153 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 14:09:49,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:09:49,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 14:09:49,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:09:49,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:09:49,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:09:49,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:09:49,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:09:49,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-12 14:09:49,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:09:49,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:09:49,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:09:49,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:09:49,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:09:49,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-12 14:09:49,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:09:49,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:09:49,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:09:49,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:09:49,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:09:49,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-12 14:09:49,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:09:49,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:09:49,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:09:49,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:09:49,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:09:49,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-12 14:09:49,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:09:49,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:09:49,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:09:49,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-12 14:09:49,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:09:49,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:09:49,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:09:49,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-07-12 14:09:49,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:09:49,552 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2022-07-12 14:09:49,553 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 14:09:49,553 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1733719613] [2022-07-12 14:09:49,553 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1733719613] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 14:09:49,553 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 14:09:49,553 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-12 14:09:49,553 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1152413531] [2022-07-12 14:09:49,553 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 14:09:49,554 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-12 14:09:49,554 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 14:09:49,555 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-12 14:09:49,555 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-12 14:09:49,555 INFO L87 Difference]: Start difference. First operand 2849 states and 4163 transitions. Second operand has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 3 states have internal predecessors, (49), 3 states have call successors, (12), 6 states have call predecessors, (12), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-07-12 14:09:51,508 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 14:09:53,671 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 14:09:55,732 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 14:10:02,025 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 14:10:04,988 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.96s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 14:10:15,001 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 14:10:15,001 INFO L93 Difference]: Finished difference Result 6060 states and 9389 transitions. [2022-07-12 14:10:15,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-12 14:10:15,002 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 3 states have internal predecessors, (49), 3 states have call successors, (12), 6 states have call predecessors, (12), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 118 [2022-07-12 14:10:15,003 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 14:10:15,032 INFO L225 Difference]: With dead ends: 6060 [2022-07-12 14:10:15,032 INFO L226 Difference]: Without dead ends: 6057 [2022-07-12 14:10:15,034 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2022-07-12 14:10:15,034 INFO L413 NwaCegarLoop]: 4896 mSDtfsCounter, 6923 mSDsluCounter, 7230 mSDsCounter, 0 mSdLazyCounter, 5130 mSolverCounterSat, 4035 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7305 SdHoareTripleChecker+Valid, 12126 SdHoareTripleChecker+Invalid, 9169 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4035 IncrementalHoareTripleChecker+Valid, 5130 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 25.1s IncrementalHoareTripleChecker+Time [2022-07-12 14:10:15,035 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7305 Valid, 12126 Invalid, 9169 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4035 Valid, 5130 Invalid, 4 Unknown, 0 Unchecked, 25.1s Time] [2022-07-12 14:10:15,039 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6057 states. [2022-07-12 14:10:15,142 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6057 to 5097. [2022-07-12 14:10:15,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5097 states, 3540 states have (on average 1.3878531073446327) internal successors, (4913), 3724 states have internal predecessors, (4913), 1235 states have call successors, (1235), 299 states have call predecessors, (1235), 321 states have return successors, (1500), 1173 states have call predecessors, (1500), 1232 states have call successors, (1500) [2022-07-12 14:10:15,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5097 states to 5097 states and 7648 transitions. [2022-07-12 14:10:15,163 INFO L78 Accepts]: Start accepts. Automaton has 5097 states and 7648 transitions. Word has length 118 [2022-07-12 14:10:15,164 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 14:10:15,164 INFO L495 AbstractCegarLoop]: Abstraction has 5097 states and 7648 transitions. [2022-07-12 14:10:15,164 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 3 states have internal predecessors, (49), 3 states have call successors, (12), 6 states have call predecessors, (12), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-07-12 14:10:15,164 INFO L276 IsEmpty]: Start isEmpty. Operand 5097 states and 7648 transitions. [2022-07-12 14:10:15,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2022-07-12 14:10:15,168 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 14:10:15,169 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 14:10:15,169 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-12 14:10:15,169 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 14:10:15,169 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 14:10:15,169 INFO L85 PathProgramCache]: Analyzing trace with hash -1145950047, now seen corresponding path program 1 times [2022-07-12 14:10:15,169 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 14:10:15,170 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [178041996] [2022-07-12 14:10:15,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 14:10:15,170 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 14:10:15,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:10:15,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 14:10:15,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:10:15,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:10:15,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:10:15,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:10:15,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:10:15,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-12 14:10:15,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:10:15,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:10:15,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:10:15,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:10:15,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:10:15,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-12 14:10:15,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:10:15,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:10:15,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:10:15,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:10:15,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:10:15,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-12 14:10:15,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:10:15,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:10:15,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:10:15,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:10:15,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:10:15,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-12 14:10:15,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:10:15,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:10:15,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:10:15,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-12 14:10:15,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:10:15,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:10:15,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:10:15,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-07-12 14:10:15,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:10:15,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:10:15,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:10:15,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-07-12 14:10:15,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:10:15,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:10:15,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:10:15,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-07-12 14:10:15,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:10:15,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-07-12 14:10:15,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:10:15,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-07-12 14:10:15,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:10:15,509 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2022-07-12 14:10:15,509 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 14:10:15,509 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [178041996] [2022-07-12 14:10:15,509 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [178041996] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 14:10:15,509 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 14:10:15,509 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-07-12 14:10:15,510 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [359184558] [2022-07-12 14:10:15,510 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 14:10:15,510 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-12 14:10:15,510 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 14:10:15,510 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-12 14:10:15,511 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2022-07-12 14:10:15,511 INFO L87 Difference]: Start difference. First operand 5097 states and 7648 transitions. Second operand has 9 states, 9 states have (on average 8.555555555555555) internal successors, (77), 5 states have internal predecessors, (77), 3 states have call successors, (24), 6 states have call predecessors, (24), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2022-07-12 14:10:19,194 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 14:10:24,881 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 14:10:29,917 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 14:10:29,919 INFO L93 Difference]: Finished difference Result 11944 states and 18423 transitions. [2022-07-12 14:10:29,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-07-12 14:10:29,919 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.555555555555555) internal successors, (77), 5 states have internal predecessors, (77), 3 states have call successors, (24), 6 states have call predecessors, (24), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) Word has length 166 [2022-07-12 14:10:29,920 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 14:10:29,996 INFO L225 Difference]: With dead ends: 11944 [2022-07-12 14:10:29,997 INFO L226 Difference]: Without dead ends: 6862 [2022-07-12 14:10:30,015 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=94, Invalid=178, Unknown=0, NotChecked=0, Total=272 [2022-07-12 14:10:30,015 INFO L413 NwaCegarLoop]: 3902 mSDtfsCounter, 16240 mSDsluCounter, 3934 mSDsCounter, 0 mSdLazyCounter, 3411 mSolverCounterSat, 11922 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16805 SdHoareTripleChecker+Valid, 7836 SdHoareTripleChecker+Invalid, 15335 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11922 IncrementalHoareTripleChecker+Valid, 3411 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.0s IncrementalHoareTripleChecker+Time [2022-07-12 14:10:30,016 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16805 Valid, 7836 Invalid, 15335 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11922 Valid, 3411 Invalid, 2 Unknown, 0 Unchecked, 14.0s Time] [2022-07-12 14:10:30,022 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6862 states. [2022-07-12 14:10:30,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6862 to 5606. [2022-07-12 14:10:30,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5606 states, 3897 states have (on average 1.382345393892738) internal successors, (5387), 4091 states have internal predecessors, (5387), 1352 states have call successors, (1352), 304 states have call predecessors, (1352), 356 states have return successors, (1721), 1323 states have call predecessors, (1721), 1349 states have call successors, (1721) [2022-07-12 14:10:30,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5606 states to 5606 states and 8460 transitions. [2022-07-12 14:10:30,207 INFO L78 Accepts]: Start accepts. Automaton has 5606 states and 8460 transitions. Word has length 166 [2022-07-12 14:10:30,207 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 14:10:30,207 INFO L495 AbstractCegarLoop]: Abstraction has 5606 states and 8460 transitions. [2022-07-12 14:10:30,208 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.555555555555555) internal successors, (77), 5 states have internal predecessors, (77), 3 states have call successors, (24), 6 states have call predecessors, (24), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2022-07-12 14:10:30,208 INFO L276 IsEmpty]: Start isEmpty. Operand 5606 states and 8460 transitions. [2022-07-12 14:10:30,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-07-12 14:10:30,213 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 14:10:30,213 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 14:10:30,213 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-12 14:10:30,214 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 14:10:30,214 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 14:10:30,214 INFO L85 PathProgramCache]: Analyzing trace with hash 1748416799, now seen corresponding path program 1 times [2022-07-12 14:10:30,214 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 14:10:30,214 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1032700476] [2022-07-12 14:10:30,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 14:10:30,215 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 14:10:30,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:10:30,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 14:10:30,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:10:30,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:10:30,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:10:30,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:10:30,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:10:30,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-12 14:10:30,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:10:30,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:10:30,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:10:30,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:10:30,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:10:30,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-12 14:10:30,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:10:30,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:10:30,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:10:30,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:10:30,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:10:30,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-12 14:10:30,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:10:30,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:10:30,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:10:30,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:10:30,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:10:30,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-12 14:10:30,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:10:30,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:10:30,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:10:30,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-12 14:10:30,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:10:30,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:10:30,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:10:30,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-12 14:10:30,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:10:30,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:10:30,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:10:30,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-12 14:10:30,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:10:30,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:10:30,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:10:30,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-07-12 14:10:30,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:10:30,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-07-12 14:10:30,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:10:30,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-07-12 14:10:30,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:10:30,664 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2022-07-12 14:10:30,664 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 14:10:30,664 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1032700476] [2022-07-12 14:10:30,664 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1032700476] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 14:10:30,664 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 14:10:30,665 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-07-12 14:10:30,665 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1948793220] [2022-07-12 14:10:30,665 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 14:10:30,665 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-12 14:10:30,665 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 14:10:30,666 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-12 14:10:30,666 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2022-07-12 14:10:30,666 INFO L87 Difference]: Start difference. First operand 5606 states and 8460 transitions. Second operand has 9 states, 9 states have (on average 8.222222222222221) internal successors, (74), 5 states have internal predecessors, (74), 3 states have call successors, (24), 6 states have call predecessors, (24), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2022-07-12 14:10:35,525 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 14:10:37,561 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 14:10:41,624 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 14:10:43,672 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 14:10:47,211 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 14:10:49,258 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 14:10:59,347 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 14:11:01,472 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 14:11:05,537 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 14:11:12,158 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 14:11:18,249 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 14:11:20,295 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 14:11:26,301 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 14:11:28,414 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 14:12:05,052 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 14:12:05,052 INFO L93 Difference]: Finished difference Result 32343 states and 51641 transitions. [2022-07-12 14:12:05,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-07-12 14:12:05,054 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.222222222222221) internal successors, (74), 5 states have internal predecessors, (74), 3 states have call successors, (24), 6 states have call predecessors, (24), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) Word has length 163 [2022-07-12 14:12:05,054 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 14:12:05,189 INFO L225 Difference]: With dead ends: 32343 [2022-07-12 14:12:05,190 INFO L226 Difference]: Without dead ends: 26775 [2022-07-12 14:12:05,224 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 185 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=209, Invalid=493, Unknown=0, NotChecked=0, Total=702 [2022-07-12 14:12:05,225 INFO L413 NwaCegarLoop]: 6468 mSDtfsCounter, 20753 mSDsluCounter, 21261 mSDsCounter, 0 mSdLazyCounter, 29862 mSolverCounterSat, 15902 mSolverCounterUnsat, 14 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 86.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22429 SdHoareTripleChecker+Valid, 27729 SdHoareTripleChecker+Invalid, 45778 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 15902 IncrementalHoareTripleChecker+Valid, 29862 IncrementalHoareTripleChecker+Invalid, 14 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 92.5s IncrementalHoareTripleChecker+Time [2022-07-12 14:12:05,225 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [22429 Valid, 27729 Invalid, 45778 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [15902 Valid, 29862 Invalid, 14 Unknown, 0 Unchecked, 92.5s Time] [2022-07-12 14:12:05,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26775 states. [2022-07-12 14:12:06,145 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26775 to 22741. [2022-07-12 14:12:06,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22741 states, 15817 states have (on average 1.3838907504583675) internal successors, (21889), 16642 states have internal predecessors, (21889), 5466 states have call successors, (5466), 1172 states have call predecessors, (5466), 1457 states have return successors, (8240), 5369 states have call predecessors, (8240), 5457 states have call successors, (8240) [2022-07-12 14:12:06,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22741 states to 22741 states and 35595 transitions. [2022-07-12 14:12:06,291 INFO L78 Accepts]: Start accepts. Automaton has 22741 states and 35595 transitions. Word has length 163 [2022-07-12 14:12:06,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 14:12:06,292 INFO L495 AbstractCegarLoop]: Abstraction has 22741 states and 35595 transitions. [2022-07-12 14:12:06,292 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.222222222222221) internal successors, (74), 5 states have internal predecessors, (74), 3 states have call successors, (24), 6 states have call predecessors, (24), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2022-07-12 14:12:06,293 INFO L276 IsEmpty]: Start isEmpty. Operand 22741 states and 35595 transitions. [2022-07-12 14:12:06,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2022-07-12 14:12:06,301 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 14:12:06,301 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 14:12:06,301 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-07-12 14:12:06,301 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 14:12:06,301 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 14:12:06,302 INFO L85 PathProgramCache]: Analyzing trace with hash -695665982, now seen corresponding path program 1 times [2022-07-12 14:12:06,302 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 14:12:06,302 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1546652527] [2022-07-12 14:12:06,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 14:12:06,302 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 14:12:06,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:12:06,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 14:12:06,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:12:06,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:12:06,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:12:06,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:12:06,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:12:06,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-12 14:12:06,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:12:06,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:12:06,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:12:06,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:12:06,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:12:06,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-12 14:12:06,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:12:06,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:12:06,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:12:06,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:12:06,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:12:06,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-12 14:12:06,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:12:06,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:12:06,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:12:06,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:12:06,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:12:06,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-12 14:12:06,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:12:06,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:12:06,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:12:06,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-12 14:12:06,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:12:06,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:12:06,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:12:06,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-12 14:12:06,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:12:06,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-07-12 14:12:06,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:12:06,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-07-12 14:12:06,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:12:06,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-12 14:12:06,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:12:06,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-12 14:12:06,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:12:06,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:12:06,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:12:06,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2022-07-12 14:12:06,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:12:06,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:12:06,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:12:06,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-12 14:12:06,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:12:06,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:12:06,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:12:06,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2022-07-12 14:12:06,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:12:06,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-07-12 14:12:06,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:12:06,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2022-07-12 14:12:06,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:12:06,630 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2022-07-12 14:12:06,630 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 14:12:06,630 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1546652527] [2022-07-12 14:12:06,630 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1546652527] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 14:12:06,630 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 14:12:06,630 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-12 14:12:06,630 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [550568309] [2022-07-12 14:12:06,631 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 14:12:06,631 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-12 14:12:06,631 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 14:12:06,631 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-12 14:12:06,631 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-07-12 14:12:06,632 INFO L87 Difference]: Start difference. First operand 22741 states and 35595 transitions. Second operand has 7 states, 7 states have (on average 14.428571428571429) internal successors, (101), 3 states have internal predecessors, (101), 2 states have call successors, (32), 6 states have call predecessors, (32), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-07-12 14:12:10,558 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 14:12:12,602 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 14:12:14,658 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 14:12:23,306 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 14:12:25,427 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 14:12:27,541 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 14:12:46,269 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 14:12:46,270 INFO L93 Difference]: Finished difference Result 75927 states and 121501 transitions. [2022-07-12 14:12:46,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-07-12 14:12:46,272 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.428571428571429) internal successors, (101), 3 states have internal predecessors, (101), 2 states have call successors, (32), 6 states have call predecessors, (32), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 206 [2022-07-12 14:12:46,287 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 14:12:46,548 INFO L225 Difference]: With dead ends: 75927 [2022-07-12 14:12:46,548 INFO L226 Difference]: Without dead ends: 53224 [2022-07-12 14:12:46,636 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=71, Invalid=139, Unknown=0, NotChecked=0, Total=210 [2022-07-12 14:12:46,637 INFO L413 NwaCegarLoop]: 4498 mSDtfsCounter, 11354 mSDsluCounter, 10543 mSDsCounter, 0 mSdLazyCounter, 11918 mSolverCounterSat, 9249 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 34.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12150 SdHoareTripleChecker+Valid, 15041 SdHoareTripleChecker+Invalid, 21173 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 9249 IncrementalHoareTripleChecker+Valid, 11918 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 37.5s IncrementalHoareTripleChecker+Time [2022-07-12 14:12:46,637 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12150 Valid, 15041 Invalid, 21173 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [9249 Valid, 11918 Invalid, 6 Unknown, 0 Unchecked, 37.5s Time] [2022-07-12 14:12:46,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53224 states. [2022-07-12 14:12:48,341 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53224 to 45289. [2022-07-12 14:12:48,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45289 states, 31489 states have (on average 1.3838483279875513) internal successors, (43576), 33139 states have internal predecessors, (43576), 10890 states have call successors, (10890), 2338 states have call predecessors, (10890), 2909 states have return successors, (16411), 10697 states have call predecessors, (16411), 10873 states have call successors, (16411) [2022-07-12 14:12:48,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45289 states to 45289 states and 70877 transitions. [2022-07-12 14:12:48,632 INFO L78 Accepts]: Start accepts. Automaton has 45289 states and 70877 transitions. Word has length 206 [2022-07-12 14:12:48,633 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 14:12:48,633 INFO L495 AbstractCegarLoop]: Abstraction has 45289 states and 70877 transitions. [2022-07-12 14:12:48,633 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.428571428571429) internal successors, (101), 3 states have internal predecessors, (101), 2 states have call successors, (32), 6 states have call predecessors, (32), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-07-12 14:12:48,633 INFO L276 IsEmpty]: Start isEmpty. Operand 45289 states and 70877 transitions. [2022-07-12 14:12:48,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2022-07-12 14:12:48,643 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 14:12:48,643 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 14:12:48,643 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-07-12 14:12:48,643 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 14:12:48,644 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 14:12:48,644 INFO L85 PathProgramCache]: Analyzing trace with hash -1323120618, now seen corresponding path program 1 times [2022-07-12 14:12:48,644 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 14:12:48,644 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1631551165] [2022-07-12 14:12:48,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 14:12:48,644 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 14:12:48,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:12:48,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 14:12:48,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:12:48,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:12:48,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:12:48,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:12:48,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:12:48,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-12 14:12:48,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:12:48,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:12:48,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:12:48,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:12:48,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:12:48,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-12 14:12:48,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:12:48,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:12:48,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:12:48,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:12:48,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:12:48,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-12 14:12:48,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:12:48,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:12:48,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:12:48,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:12:48,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:12:48,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-12 14:12:48,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:12:48,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:12:48,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:12:48,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-12 14:12:48,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:12:48,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:12:48,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:12:48,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-12 14:12:48,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:12:48,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-12 14:12:48,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:12:48,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-07-12 14:12:48,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:12:48,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-07-12 14:12:48,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:12:48,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-07-12 14:12:48,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:12:48,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:12:48,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:12:48,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-07-12 14:12:48,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:12:48,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:12:48,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:12:48,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-07-12 14:12:48,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:12:48,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:12:48,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:12:48,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-12 14:12:48,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:12:48,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-07-12 14:12:48,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:12:48,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-12 14:12:48,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:12:48,967 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2022-07-12 14:12:48,967 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 14:12:48,967 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1631551165] [2022-07-12 14:12:48,967 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1631551165] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 14:12:48,967 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 14:12:48,967 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-12 14:12:48,968 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1670629287] [2022-07-12 14:12:48,968 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 14:12:48,968 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-12 14:12:48,968 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 14:12:48,968 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-12 14:12:48,969 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-07-12 14:12:48,969 INFO L87 Difference]: Start difference. First operand 45289 states and 70877 transitions. Second operand has 7 states, 7 states have (on average 13.857142857142858) internal successors, (97), 3 states have internal predecessors, (97), 2 states have call successors, (32), 6 states have call predecessors, (32), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-07-12 14:12:53,693 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 14:12:55,740 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 14:12:57,771 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 14:13:06,482 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 14:13:09,164 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.68s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 14:13:11,269 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []