./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 35987657 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-?-3598765 [2022-07-21 12:42:38,667 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-21 12:42:38,669 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-21 12:42:38,698 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-21 12:42:38,699 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-21 12:42:38,700 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-21 12:42:38,703 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-21 12:42:38,706 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-21 12:42:38,707 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-21 12:42:38,711 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-21 12:42:38,713 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-21 12:42:38,719 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-21 12:42:38,719 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-21 12:42:38,720 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-21 12:42:38,721 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-21 12:42:38,722 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-21 12:42:38,722 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-21 12:42:38,722 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-21 12:42:38,723 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-21 12:42:38,724 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-21 12:42:38,725 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-21 12:42:38,740 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-21 12:42:38,740 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-21 12:42:38,741 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-21 12:42:38,742 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-21 12:42:38,744 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-21 12:42:38,746 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-21 12:42:38,746 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-21 12:42:38,747 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-21 12:42:38,747 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-21 12:42:38,748 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-21 12:42:38,748 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-21 12:42:38,749 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-21 12:42:38,749 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-21 12:42:38,749 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-21 12:42:38,750 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-21 12:42:38,750 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-21 12:42:38,750 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-21 12:42:38,750 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-21 12:42:38,751 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-21 12:42:38,751 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-21 12:42:38,763 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-21 12:42:38,765 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-21 12:42:38,785 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-21 12:42:38,785 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-21 12:42:38,786 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-21 12:42:38,786 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-21 12:42:38,786 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-21 12:42:38,787 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-21 12:42:38,787 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-21 12:42:38,787 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-21 12:42:38,788 INFO L138 SettingsManager]: * Use SBE=true [2022-07-21 12:42:38,788 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-21 12:42:38,788 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-21 12:42:38,789 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-21 12:42:38,789 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-21 12:42:38,789 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-21 12:42:38,789 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-21 12:42:38,797 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-21 12:42:38,797 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-21 12:42:38,798 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-21 12:42:38,798 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-21 12:42:38,798 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-21 12:42:38,798 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-21 12:42:38,798 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 12:42:38,799 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-21 12:42:38,799 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-21 12:42:38,799 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-21 12:42:38,799 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-21 12:42:38,799 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-21 12:42:38,799 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-21 12:42:38,800 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-21 12:42:38,800 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-21 12:42:38,800 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 34bfb407ab3285beb6e4618a31251a3cfac86b629af8c3915889881b8af28c9e [2022-07-21 12:42:39,072 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-21 12:42:39,089 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-21 12:42:39,091 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-21 12:42:39,092 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-21 12:42:39,092 INFO L275 PluginConnector]: CDTParser initialized [2022-07-21 12:42:39,093 INFO L432 ainManager$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 [2022-07-21 12:42:39,166 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3d20f3e0d/a3706039560c473a88842b0b28d8da2b/FLAG469d411b4 [2022-07-21 12:42:39,868 INFO L306 CDTParser]: Found 1 translation units. [2022-07-21 12:42:39,869 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 [2022-07-21 12:42:39,900 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3d20f3e0d/a3706039560c473a88842b0b28d8da2b/FLAG469d411b4 [2022-07-21 12:42:40,151 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3d20f3e0d/a3706039560c473a88842b0b28d8da2b [2022-07-21 12:42:40,154 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-21 12:42:40,156 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-21 12:42:40,158 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-21 12:42:40,158 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-21 12:42:40,160 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-21 12:42:40,161 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 12:42:40" (1/1) ... [2022-07-21 12:42:40,161 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ef6ba77 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:42:40, skipping insertion in model container [2022-07-21 12:42:40,161 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 12:42:40" (1/1) ... [2022-07-21 12:42:40,167 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-21 12:42:40,281 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-21 12:42:41,923 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] [2022-07-21 12:42:41,956 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 12:42:42,009 INFO L203 MainTranslator]: Completed pre-run [2022-07-21 12:42:42,281 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] [2022-07-21 12:42:42,288 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 12:42:42,382 INFO L208 MainTranslator]: Completed translation [2022-07-21 12:42:42,383 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:42:42 WrapperNode [2022-07-21 12:42:42,384 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-21 12:42:42,385 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-21 12:42:42,385 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-21 12:42:42,386 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-21 12:42:42,390 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:42:42" (1/1) ... [2022-07-21 12:42:42,556 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:42:42" (1/1) ... [2022-07-21 12:42:42,770 INFO L137 Inliner]: procedures = 334, calls = 3839, calls flagged for inlining = 113, calls inlined = 106, statements flattened = 6922 [2022-07-21 12:42:42,770 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-21 12:42:42,771 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-21 12:42:42,771 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-21 12:42:42,771 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-21 12:42:42,778 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:42:42" (1/1) ... [2022-07-21 12:42:42,778 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:42:42" (1/1) ... [2022-07-21 12:42:42,814 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:42:42" (1/1) ... [2022-07-21 12:42:42,815 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:42:42" (1/1) ... [2022-07-21 12:42:42,952 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:42:42" (1/1) ... [2022-07-21 12:42:42,975 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:42:42" (1/1) ... [2022-07-21 12:42:43,038 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:42:42" (1/1) ... [2022-07-21 12:42:43,068 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-21 12:42:43,069 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-21 12:42:43,069 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-21 12:42:43,069 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-21 12:42:43,069 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:42:42" (1/1) ... [2022-07-21 12:42:43,074 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 12:42:43,081 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 12:42:43,104 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) [2022-07-21 12:42:43,121 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 [2022-07-21 12:42:43,132 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_setup_msg_structures_uv [2022-07-21 12:42:43,132 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_setup_msg_structures_uv [2022-07-21 12:42:43,133 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-07-21 12:42:43,133 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-07-21 12:42:43,133 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_heartbeat_init_uv [2022-07-21 12:42:43,133 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_heartbeat_init_uv [2022-07-21 12:42:43,133 INFO L130 BoogieDeclarations]: Found specification of procedure __cmpxchg_wrong_size [2022-07-21 12:42:43,133 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_allow_hb_uv [2022-07-21 12:42:43,133 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_allow_hb_uv [2022-07-21 12:42:43,133 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_teardown_partitions_uv [2022-07-21 12:42:43,133 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_teardown_partitions_uv [2022-07-21 12:42:43,134 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_kthread_waitmsgs [2022-07-21 12:42:43,134 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_kthread_waitmsgs [2022-07-21 12:42:43,134 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_send_chctl_opencomplete_uv [2022-07-21 12:42:43,134 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_send_chctl_opencomplete_uv [2022-07-21 12:42:43,134 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-21 12:42:43,134 INFO L130 BoogieDeclarations]: Found specification of procedure wake_up_process [2022-07-21 12:42:43,134 INFO L138 BoogieDeclarations]: Found implementation of procedure wake_up_process [2022-07-21 12:42:43,134 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-21 12:42:43,135 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-21 12:42:43,135 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-21 12:42:43,135 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-21 12:42:43,135 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-21 12:42:43,135 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_teardown_msg_structures_uv [2022-07-21 12:42:43,135 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_teardown_msg_structures_uv [2022-07-21 12:42:43,135 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_teardown_rsvd_page [2022-07-21 12:42:43,136 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_teardown_rsvd_page [2022-07-21 12:42:43,136 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_partition_disengaged [2022-07-21 12:42:43,136 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_partition_disengaged [2022-07-21 12:42:43,136 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_wakeup_channel_mgr [2022-07-21 12:42:43,136 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_wakeup_channel_mgr [2022-07-21 12:42:43,136 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2022-07-21 12:42:43,136 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2022-07-21 12:42:43,137 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-07-21 12:42:43,137 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-07-21 12:42:43,137 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2022-07-21 12:42:43,137 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2022-07-21 12:42:43,137 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_sub_return [2022-07-21 12:42:43,137 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_sub_return [2022-07-21 12:42:43,137 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-21 12:42:43,138 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-21 12:42:43,138 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_kmalloc_cacheline_aligned [2022-07-21 12:42:43,138 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_kmalloc_cacheline_aligned [2022-07-21 12:42:43,138 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_setup_partitions_uv [2022-07-21 12:42:43,138 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_setup_partitions_uv [2022-07-21 12:42:43,138 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_offline_heartbeat_uv [2022-07-21 12:42:43,138 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_offline_heartbeat_uv [2022-07-21 12:42:43,138 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_release_gru_mq_irq_uv [2022-07-21 12:42:43,139 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_release_gru_mq_irq_uv [2022-07-21 12:42:43,139 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~X~int~TO~int [2022-07-21 12:42:43,139 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~X~int~TO~int [2022-07-21 12:42:43,139 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2022-07-21 12:42:43,139 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_notify_sender_uv [2022-07-21 12:42:43,139 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_notify_sender_uv [2022-07-21 12:42:43,139 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_die_deactivate [2022-07-21 12:42:43,139 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_die_deactivate [2022-07-21 12:42:43,140 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_process_connect [2022-07-21 12:42:43,140 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_process_connect [2022-07-21 12:42:43,140 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-07-21 12:42:43,140 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-07-21 12:42:43,140 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2022-07-21 12:42:43,140 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2022-07-21 12:42:43,140 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_die_notifier [2022-07-21 12:42:43,140 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_die_notifier [2022-07-21 12:42:43,140 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_check_remote_hb [2022-07-21 12:42:43,141 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_check_remote_hb [2022-07-21 12:42:43,141 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-07-21 12:42:43,141 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-07-21 12:42:43,141 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-07-21 12:42:43,141 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-07-21 12:42:43,141 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_init_fifo_uv [2022-07-21 12:42:43,141 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_init_fifo_uv [2022-07-21 12:42:43,141 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_msgqueue_ref [2022-07-21 12:42:43,142 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_msgqueue_ref [2022-07-21 12:42:43,142 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_received_payload_uv [2022-07-21 12:42:43,142 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_received_payload_uv [2022-07-21 12:42:43,142 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-07-21 12:42:43,142 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-07-21 12:42:43,142 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-21 12:42:43,142 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-21 12:42:43,142 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_kthread_start [2022-07-21 12:42:43,142 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_kthread_start [2022-07-21 12:42:43,143 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-07-21 12:42:43,143 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-07-21 12:42:43,143 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_part_ref [2022-07-21 12:42:43,143 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_part_ref [2022-07-21 12:42:43,143 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_create_kthreads [2022-07-21 12:42:43,143 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_create_kthreads [2022-07-21 12:42:43,143 INFO L130 BoogieDeclarations]: Found specification of procedure msleep_interruptible [2022-07-21 12:42:43,143 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep_interruptible [2022-07-21 12:42:43,143 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_send_local_activate_IRQ_uv [2022-07-21 12:42:43,144 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_send_local_activate_IRQ_uv [2022-07-21 12:42:43,144 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_exit_uv [2022-07-21 12:42:43,144 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_exit_uv [2022-07-21 12:42:43,144 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-07-21 12:42:43,144 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-07-21 12:42:43,144 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_put_fifo_entry_uv [2022-07-21 12:42:43,144 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_put_fifo_entry_uv [2022-07-21 12:42:43,144 INFO L130 BoogieDeclarations]: Found specification of procedure uv_blade_to_pnode [2022-07-21 12:42:43,145 INFO L138 BoogieDeclarations]: Found implementation of procedure uv_blade_to_pnode [2022-07-21 12:42:43,145 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_process_activate_IRQ_rcvd_uv [2022-07-21 12:42:43,145 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_process_activate_IRQ_rcvd_uv [2022-07-21 12:42:43,145 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_send_activate_IRQ_uv [2022-07-21 12:42:43,145 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_send_activate_IRQ_uv [2022-07-21 12:42:43,145 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_send_payload_uv [2022-07-21 12:42:43,145 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_send_payload_uv [2022-07-21 12:42:43,145 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_free_msg_slot_uv [2022-07-21 12:42:43,145 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_free_msg_slot_uv [2022-07-21 12:42:43,146 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-21 12:42:43,146 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-07-21 12:42:43,146 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-07-21 12:42:43,146 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_indicate_partition_engaged_uv [2022-07-21 12:42:43,146 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_indicate_partition_engaged_uv [2022-07-21 12:42:43,146 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_process_openclose_chctl_flags [2022-07-21 12:42:43,146 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_process_openclose_chctl_flags [2022-07-21 12:42:43,146 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-21 12:42:43,147 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_process_msg_chctl_flags_uv [2022-07-21 12:42:43,147 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_process_msg_chctl_flags_uv [2022-07-21 12:42:43,147 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2022-07-21 12:42:43,147 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2022-07-21 12:42:43,147 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2022-07-21 12:42:43,147 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_msgqueue_deref [2022-07-21 12:42:43,147 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_msgqueue_deref [2022-07-21 12:42:43,147 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2022-07-21 12:42:43,148 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2022-07-21 12:42:43,148 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-21 12:42:43,148 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-21 12:42:43,148 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_send_chctl_closereply_uv [2022-07-21 12:42:43,148 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_send_chctl_closereply_uv [2022-07-21 12:42:43,148 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-07-21 12:42:43,148 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-07-21 12:42:43,148 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_connect_channel [2022-07-21 12:42:43,148 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_connect_channel [2022-07-21 12:42:43,149 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_cache_remote_gru_mq_desc_uv [2022-07-21 12:42:43,149 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_cache_remote_gru_mq_desc_uv [2022-07-21 12:42:43,149 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_teardown_ch_structures_uv [2022-07-21 12:42:43,149 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_teardown_ch_structures_uv [2022-07-21 12:42:43,149 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~int [2022-07-21 12:42:43,149 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~int [2022-07-21 12:42:43,149 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-21 12:42:43,149 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_request_partition_activation_uv [2022-07-21 12:42:43,149 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_request_partition_activation_uv [2022-07-21 12:42:43,150 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_activating [2022-07-21 12:42:43,150 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_activating [2022-07-21 12:42:43,150 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-21 12:42:43,150 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_disconnect_callout [2022-07-21 12:42:43,150 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_disconnect_callout [2022-07-21 12:42:43,150 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_deactivate_partition [2022-07-21 12:42:43,150 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_deactivate_partition [2022-07-21 12:42:43,150 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_indicate_partition_disengaged_uv [2022-07-21 12:42:43,150 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_indicate_partition_disengaged_uv [2022-07-21 12:42:43,151 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_disconnect_channel [2022-07-21 12:42:43,151 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_disconnect_channel [2022-07-21 12:42:43,151 INFO L130 BoogieDeclarations]: Found specification of procedure find_next_bit [2022-07-21 12:42:43,151 INFO L138 BoogieDeclarations]: Found implementation of procedure find_next_bit [2022-07-21 12:42:43,151 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~~TO~int [2022-07-21 12:42:43,151 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~~TO~int [2022-07-21 12:42:43,151 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-07-21 12:42:43,151 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-07-21 12:42:43,151 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_channel_mgr [2022-07-21 12:42:43,152 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_channel_mgr [2022-07-21 12:42:43,152 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_save_remote_msgqueue_pa_uv [2022-07-21 12:42:43,152 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_save_remote_msgqueue_pa_uv [2022-07-21 12:42:43,152 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_send_chctl_openrequest_uv [2022-07-21 12:42:43,152 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_send_chctl_openrequest_uv [2022-07-21 12:42:43,152 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_heartbeat_exit_uv [2022-07-21 12:42:43,152 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_heartbeat_exit_uv [2022-07-21 12:42:43,152 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-07-21 12:42:43,152 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-07-21 12:42:43,153 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_setup_ch_structures [2022-07-21 12:42:43,153 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_setup_ch_structures [2022-07-21 12:42:43,153 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-07-21 12:42:43,153 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-07-21 12:42:43,153 INFO L130 BoogieDeclarations]: Found specification of procedure free_pages [2022-07-21 12:42:43,153 INFO L138 BoogieDeclarations]: Found implementation of procedure free_pages [2022-07-21 12:42:43,153 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_any_partition_engaged_uv [2022-07-21 12:42:43,153 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_any_partition_engaged_uv [2022-07-21 12:42:43,153 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2022-07-21 12:42:43,154 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2022-07-21 12:42:43,154 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2022-07-21 12:42:43,154 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2022-07-21 12:42:43,154 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-07-21 12:42:43,154 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_get_rsvd_page_pa [2022-07-21 12:42:43,154 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_get_rsvd_page_pa [2022-07-21 12:42:43,154 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_activate_partition [2022-07-21 12:42:43,154 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_activate_partition [2022-07-21 12:42:43,154 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_send_activate_IRQ_part_uv [2022-07-21 12:42:43,154 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_send_activate_IRQ_part_uv [2022-07-21 12:42:43,155 INFO L130 BoogieDeclarations]: Found specification of procedure uv_cpu_to_blade_id [2022-07-21 12:42:43,155 INFO L138 BoogieDeclarations]: Found implementation of procedure uv_cpu_to_blade_id [2022-07-21 12:42:43,155 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_initiate_discovery [2022-07-21 12:42:43,155 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_initiate_discovery [2022-07-21 12:42:43,155 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-07-21 12:42:43,155 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-07-21 12:42:43,155 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_request_partition_reactivation_uv [2022-07-21 12:42:43,155 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_request_partition_reactivation_uv [2022-07-21 12:42:43,155 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-07-21 12:42:43,156 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_activate_kthreads [2022-07-21 12:42:43,156 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_activate_kthreads [2022-07-21 12:42:43,156 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-21 12:42:43,156 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_partition_engaged_uv [2022-07-21 12:42:43,156 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_partition_engaged_uv [2022-07-21 12:42:43,156 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2022-07-21 12:42:43,156 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2022-07-21 12:42:43,156 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_send_gru_msg [2022-07-21 12:42:43,156 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_send_gru_msg [2022-07-21 12:42:43,157 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-21 12:42:43,157 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-21 12:42:43,157 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_create_gru_mq_uv [2022-07-21 12:42:43,157 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_create_gru_mq_uv [2022-07-21 12:42:43,157 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_reboot_notifier [2022-07-21 12:42:43,157 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_reboot_notifier [2022-07-21 12:42:43,157 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_part_deref [2022-07-21 12:42:43,157 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_part_deref [2022-07-21 12:42:43,157 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_send_chctl_closerequest_uv [2022-07-21 12:42:43,158 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_send_chctl_closerequest_uv [2022-07-21 12:42:43,158 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_disallow_all_hbs_uv [2022-07-21 12:42:43,158 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_disallow_all_hbs_uv [2022-07-21 12:42:43,158 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_timeout_partition_disengage [2022-07-21 12:42:43,158 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_timeout_partition_disengage [2022-07-21 12:42:43,158 INFO L130 BoogieDeclarations]: Found specification of procedure cpumask_of_node [2022-07-21 12:42:43,158 INFO L138 BoogieDeclarations]: Found implementation of procedure cpumask_of_node [2022-07-21 12:42:43,158 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_init_mq_node [2022-07-21 12:42:43,158 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_init_mq_node [2022-07-21 12:42:43,158 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_destroy_gru_mq_uv [2022-07-21 12:42:43,159 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_destroy_gru_mq_uv [2022-07-21 12:42:43,159 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_discovery [2022-07-21 12:42:43,159 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_discovery [2022-07-21 12:42:43,159 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_get_partition_rsvd_page_pa_uv [2022-07-21 12:42:43,159 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_get_partition_rsvd_page_pa_uv [2022-07-21 12:42:43,159 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait_event [2022-07-21 12:42:43,159 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait_event [2022-07-21 12:42:43,159 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-21 12:42:43,159 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-21 12:42:43,160 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_send_activate_IRQ_ch_uv [2022-07-21 12:42:43,160 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_send_activate_IRQ_ch_uv [2022-07-21 12:42:43,160 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_increment_heartbeat_uv [2022-07-21 12:42:43,160 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_increment_heartbeat_uv [2022-07-21 12:42:43,160 INFO L130 BoogieDeclarations]: Found specification of procedure put_online_cpus [2022-07-21 12:42:43,160 INFO L138 BoogieDeclarations]: Found implementation of procedure put_online_cpus [2022-07-21 12:42:43,160 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-21 12:42:43,160 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_process_sent_chctl_flags [2022-07-21 12:42:43,160 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_process_sent_chctl_flags [2022-07-21 12:42:43,161 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_get_remote_heartbeat_uv [2022-07-21 12:42:43,161 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_get_remote_heartbeat_uv [2022-07-21 12:42:43,161 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-21 12:42:43,161 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-21 12:42:43,161 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_teardown_partitions [2022-07-21 12:42:43,161 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_teardown_partitions [2022-07-21 12:42:43,161 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_process_disconnect [2022-07-21 12:42:43,161 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_process_disconnect [2022-07-21 12:42:43,161 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_do_exit [2022-07-21 12:42:43,162 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_do_exit [2022-07-21 12:42:43,162 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-07-21 12:42:43,162 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-07-21 12:42:43,162 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_online_heartbeat_uv [2022-07-21 12:42:43,162 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_online_heartbeat_uv [2022-07-21 12:42:43,162 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_get_fifo_entry_uv [2022-07-21 12:42:43,162 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_get_fifo_entry_uv [2022-07-21 12:42:43,162 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_disallow_hb_uv [2022-07-21 12:42:43,162 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_disallow_hb_uv [2022-07-21 12:42:43,163 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-21 12:42:43,163 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_send_chctl_openreply_uv [2022-07-21 12:42:43,163 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_send_chctl_openreply_uv [2022-07-21 12:42:43,163 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_1 [2022-07-21 12:42:43,163 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_1 [2022-07-21 12:42:43,163 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_hb_checker [2022-07-21 12:42:43,163 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_hb_checker [2022-07-21 12:42:43,163 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~~TO~VOID [2022-07-21 12:42:43,163 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~~TO~VOID [2022-07-21 12:42:43,164 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-07-21 12:42:43,164 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-07-21 12:42:43,164 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2022-07-21 12:42:43,164 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2022-07-21 12:42:43,164 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_setup_ch_structures_uv [2022-07-21 12:42:43,164 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_setup_ch_structures_uv [2022-07-21 12:42:43,164 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_setup_rsvd_page_uv [2022-07-21 12:42:43,164 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_setup_rsvd_page_uv [2022-07-21 12:42:43,164 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-21 12:42:43,164 INFO L130 BoogieDeclarations]: Found specification of procedure cpumask_next [2022-07-21 12:42:43,165 INFO L138 BoogieDeclarations]: Found implementation of procedure cpumask_next [2022-07-21 12:42:43,165 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2022-07-21 12:42:43,165 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2022-07-21 12:42:43,165 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_request_partition_deactivation_uv [2022-07-21 12:42:43,165 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_request_partition_deactivation_uv [2022-07-21 12:42:43,165 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_get_chctl_all_flags_uv [2022-07-21 12:42:43,165 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_get_chctl_all_flags_uv [2022-07-21 12:42:43,165 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_gru_mq_watchlist_free_uv [2022-07-21 12:42:43,165 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_gru_mq_watchlist_free_uv [2022-07-21 12:42:43,166 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_partition_going_down [2022-07-21 12:42:43,166 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_partition_going_down [2022-07-21 12:42:43,166 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion [2022-07-21 12:42:43,166 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion [2022-07-21 12:42:43,166 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-21 12:42:43,166 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-07-21 12:42:43,166 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_1 [2022-07-21 12:42:43,166 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_1 [2022-07-21 12:42:43,166 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-07-21 12:42:43,166 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-07-21 12:42:43,167 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-07-21 12:42:43,167 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-07-21 12:42:43,167 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2022-07-21 12:42:43,167 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2022-07-21 12:42:43,167 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2022-07-21 12:42:43,167 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2022-07-21 12:42:43,167 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_sysctl_table [2022-07-21 12:42:43,167 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_sysctl_table [2022-07-21 12:42:43,167 INFO L130 BoogieDeclarations]: Found specification of procedure uv_gpa [2022-07-21 12:42:43,168 INFO L138 BoogieDeclarations]: Found implementation of procedure uv_gpa [2022-07-21 12:42:43,168 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2022-07-21 12:42:43,168 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2022-07-21 12:42:43,168 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~X~int~X~$Pointer$~X~$Pointer$~TO~VOID [2022-07-21 12:42:43,168 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~X~int~X~$Pointer$~X~$Pointer$~TO~VOID [2022-07-21 12:42:43,168 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_get_deliverable_payload_uv [2022-07-21 12:42:43,168 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_get_deliverable_payload_uv [2022-07-21 12:42:43,168 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_notify_senders_of_disconnect_uv [2022-07-21 12:42:43,168 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_notify_senders_of_disconnect_uv [2022-07-21 12:42:43,169 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_add_return [2022-07-21 12:42:43,169 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_add_return [2022-07-21 12:42:43,169 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_make_first_contact_uv [2022-07-21 12:42:43,169 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_make_first_contact_uv [2022-07-21 12:42:43,169 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_n_of_deliverable_payloads_uv [2022-07-21 12:42:43,169 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_n_of_deliverable_payloads_uv [2022-07-21 12:42:43,169 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_get_remote_rp [2022-07-21 12:42:43,169 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_get_remote_rp [2022-07-21 12:42:43,169 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_hb_beater [2022-07-21 12:42:43,169 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_hb_beater [2022-07-21 12:42:43,170 INFO L130 BoogieDeclarations]: Found specification of procedure is_uv_system [2022-07-21 12:42:43,170 INFO L138 BoogieDeclarations]: Found implementation of procedure is_uv_system [2022-07-21 12:42:43,170 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-07-21 12:42:43,170 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-07-21 12:42:43,170 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2022-07-21 12:42:43,170 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2022-07-21 12:42:43,170 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2022-07-21 12:42:43,170 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2022-07-21 12:42:43,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-21 12:42:43,170 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2022-07-21 12:42:43,171 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2022-07-21 12:42:43,171 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2022-07-21 12:42:43,171 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2022-07-21 12:42:43,171 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-21 12:42:43,171 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-21 12:42:43,171 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_assume_partition_disengaged_uv [2022-07-21 12:42:43,171 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_assume_partition_disengaged_uv [2022-07-21 12:42:43,171 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-07-21 12:42:43,171 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-07-21 12:42:43,172 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_cancel_partition_deactivation_request_uv [2022-07-21 12:42:43,172 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_cancel_partition_deactivation_request_uv [2022-07-21 12:42:43,890 INFO L234 CfgBuilder]: Building ICFG [2022-07-21 12:42:43,893 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-21 12:42:44,486 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-21 12:42:59,143 INFO L275 CfgBuilder]: Performing block encoding [2022-07-21 12:42:59,158 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-21 12:42:59,158 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-21 12:42:59,164 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 12:42:59 BoogieIcfgContainer [2022-07-21 12:42:59,165 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-21 12:42:59,166 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-21 12:42:59,166 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-21 12:42:59,169 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-21 12:42:59,169 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 12:42:40" (1/3) ... [2022-07-21 12:42:59,170 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1686e23b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 12:42:59, skipping insertion in model container [2022-07-21 12:42:59,170 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:42:42" (2/3) ... [2022-07-21 12:42:59,170 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1686e23b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 12:42:59, skipping insertion in model container [2022-07-21 12:42:59,170 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 12:42:59" (3/3) ... [2022-07-21 12:42:59,171 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--misc--sgi-xp--xpc.ko-entry_point.cil.out.i [2022-07-21 12:42:59,183 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-21 12:42:59,183 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-21 12:42:59,269 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-21 12:42:59,277 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@7aeb23ad, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@1b3551af [2022-07-21 12:42:59,277 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-21 12:42:59,289 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) [2022-07-21 12:42:59,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2022-07-21 12:42:59,312 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 12:42:59,313 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] [2022-07-21 12:42:59,314 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 12:42:59,318 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 12:42:59,319 INFO L85 PathProgramCache]: Analyzing trace with hash -187005460, now seen corresponding path program 1 times [2022-07-21 12:42:59,326 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 12:42:59,328 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1227157663] [2022-07-21 12:42:59,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 12:42:59,330 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 12:42:59,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:43:00,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 12:43:00,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:43:00,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:43:00,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:43:00,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:43:00,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:43:00,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-21 12:43:00,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:43:00,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:43:00,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:43:00,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:43:00,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:43:00,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-21 12:43:00,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:43:00,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:43:00,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:43:00,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:43:00,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:43:00,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-21 12:43:00,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:43:00,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:43:00,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:43:00,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:43:00,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:43:00,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-21 12:43:00,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:43:00,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:43:00,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:43:00,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-21 12:43:00,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:43:00,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:43:00,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:43:00,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-07-21 12:43:00,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:43:00,282 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2022-07-21 12:43:00,283 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 12:43:00,283 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1227157663] [2022-07-21 12:43:00,283 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1227157663] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 12:43:00,284 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 12:43:00,284 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-21 12:43:00,287 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [714782788] [2022-07-21 12:43:00,288 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 12:43:00,291 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-21 12:43:00,292 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 12:43:00,316 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-21 12:43:00,316 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-21 12:43:00,322 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) [2022-07-21 12:43:03,238 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 [] [2022-07-21 12:43:07,832 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 [] [2022-07-21 12:43:11,702 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 12:43:11,702 INFO L93 Difference]: Finished difference Result 6335 states and 9749 transitions. [2022-07-21 12:43:11,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-21 12:43:11,704 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 [2022-07-21 12:43:11,705 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 12:43:11,743 INFO L225 Difference]: With dead ends: 6335 [2022-07-21 12:43:11,743 INFO L226 Difference]: Without dead ends: 3447 [2022-07-21 12:43:11,769 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 [2022-07-21 12:43:11,771 INFO L413 NwaCegarLoop]: 4046 mSDtfsCounter, 2757 mSDsluCounter, 2220 mSDsCounter, 0 mSdLazyCounter, 1663 mSolverCounterSat, 3103 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2834 SdHoareTripleChecker+Valid, 6266 SdHoareTripleChecker+Invalid, 4768 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3103 IncrementalHoareTripleChecker+Valid, 1663 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.9s IncrementalHoareTripleChecker+Time [2022-07-21 12:43:11,772 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2834 Valid, 6266 Invalid, 4768 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3103 Valid, 1663 Invalid, 2 Unknown, 0 Unchecked, 10.9s Time] [2022-07-21 12:43:11,790 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3447 states. [2022-07-21 12:43:11,953 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3447 to 2846. [2022-07-21 12:43:11,961 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) [2022-07-21 12:43:11,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2846 states to 2846 states and 4159 transitions. [2022-07-21 12:43:11,986 INFO L78 Accepts]: Start accepts. Automaton has 2846 states and 4159 transitions. Word has length 109 [2022-07-21 12:43:11,986 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 12:43:11,986 INFO L495 AbstractCegarLoop]: Abstraction has 2846 states and 4159 transitions. [2022-07-21 12:43:11,987 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) [2022-07-21 12:43:11,987 INFO L276 IsEmpty]: Start isEmpty. Operand 2846 states and 4159 transitions. [2022-07-21 12:43:11,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2022-07-21 12:43:11,992 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 12:43:11,992 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] [2022-07-21 12:43:11,993 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-21 12:43:11,993 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 12:43:11,994 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 12:43:11,994 INFO L85 PathProgramCache]: Analyzing trace with hash -1739698460, now seen corresponding path program 1 times [2022-07-21 12:43:11,994 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 12:43:11,994 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1787018085] [2022-07-21 12:43:11,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 12:43:11,994 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 12:43:12,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:43:12,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 12:43:12,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:43:12,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:43:12,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:43:12,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:43:12,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:43:12,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-21 12:43:12,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:43:12,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:43:12,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:43:12,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:43:12,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:43:12,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-21 12:43:12,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:43:12,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:43:12,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:43:12,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:43:12,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:43:12,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-21 12:43:12,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:43:12,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:43:12,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:43:12,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:43:12,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:43:12,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-21 12:43:12,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:43:12,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:43:12,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:43:12,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-21 12:43:12,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:43:12,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:43:12,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:43:12,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-07-21 12:43:12,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:43:12,506 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2022-07-21 12:43:12,507 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 12:43:12,509 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1787018085] [2022-07-21 12:43:12,510 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1787018085] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 12:43:12,511 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 12:43:12,511 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-21 12:43:12,511 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [263905455] [2022-07-21 12:43:12,511 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 12:43:12,512 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-21 12:43:12,512 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 12:43:12,513 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-21 12:43:12,513 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-21 12:43:12,514 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) [2022-07-21 12:43:16,169 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 [] [2022-07-21 12:43:22,720 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 [] [2022-07-21 12:43:28,686 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 12:43:28,686 INFO L93 Difference]: Finished difference Result 6695 states and 10119 transitions. [2022-07-21 12:43:28,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-21 12:43:28,687 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 [2022-07-21 12:43:28,687 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 12:43:28,746 INFO L225 Difference]: With dead ends: 6695 [2022-07-21 12:43:28,747 INFO L226 Difference]: Without dead ends: 3864 [2022-07-21 12:43:28,755 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 [2022-07-21 12:43:28,756 INFO L413 NwaCegarLoop]: 4599 mSDtfsCounter, 2536 mSDsluCounter, 7983 mSDsCounter, 0 mSdLazyCounter, 4082 mSolverCounterSat, 2185 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2754 SdHoareTripleChecker+Valid, 12582 SdHoareTripleChecker+Invalid, 6269 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2185 IncrementalHoareTripleChecker+Valid, 4082 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.7s IncrementalHoareTripleChecker+Time [2022-07-21 12:43:28,757 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2754 Valid, 12582 Invalid, 6269 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2185 Valid, 4082 Invalid, 2 Unknown, 0 Unchecked, 15.7s Time] [2022-07-21 12:43:28,762 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3864 states. [2022-07-21 12:43:28,840 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3864 to 2847. [2022-07-21 12:43:28,844 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) [2022-07-21 12:43:28,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2847 states to 2847 states and 4160 transitions. [2022-07-21 12:43:28,855 INFO L78 Accepts]: Start accepts. Automaton has 2847 states and 4160 transitions. Word has length 109 [2022-07-21 12:43:28,858 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 12:43:28,858 INFO L495 AbstractCegarLoop]: Abstraction has 2847 states and 4160 transitions. [2022-07-21 12:43:28,858 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) [2022-07-21 12:43:28,858 INFO L276 IsEmpty]: Start isEmpty. Operand 2847 states and 4160 transitions. [2022-07-21 12:43:28,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2022-07-21 12:43:28,865 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 12:43:28,865 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] [2022-07-21 12:43:28,865 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-21 12:43:28,865 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 12:43:28,866 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 12:43:28,866 INFO L85 PathProgramCache]: Analyzing trace with hash 1844031708, now seen corresponding path program 1 times [2022-07-21 12:43:28,866 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 12:43:28,866 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1545289493] [2022-07-21 12:43:28,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 12:43:28,866 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 12:43:29,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:43:29,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 12:43:29,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:43:29,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:43:29,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:43:29,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:43:29,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:43:29,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-21 12:43:29,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:43:29,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:43:29,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:43:29,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:43:29,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:43:29,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-21 12:43:29,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:43:29,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:43:29,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:43:29,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:43:29,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:43:29,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-21 12:43:29,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:43:29,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:43:29,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:43:29,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:43:29,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:43:29,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-21 12:43:29,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:43:29,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:43:29,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:43:29,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-21 12:43:29,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:43:29,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:43:29,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:43:29,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-07-21 12:43:29,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:43:29,297 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2022-07-21 12:43:29,297 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 12:43:29,297 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1545289493] [2022-07-21 12:43:29,298 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1545289493] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 12:43:29,298 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 12:43:29,298 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-21 12:43:29,298 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1166892891] [2022-07-21 12:43:29,298 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 12:43:29,299 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-21 12:43:29,299 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 12:43:29,300 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-21 12:43:29,300 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-21 12:43:29,300 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) [2022-07-21 12:43:32,340 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 [] [2022-07-21 12:43:34,369 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 12:43:37,130 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 12:43:39,158 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 12:43:44,234 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 12:43:47,211 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.98s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 12:43:52,067 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 12:43:52,068 INFO L93 Difference]: Finished difference Result 6859 states and 10398 transitions. [2022-07-21 12:43:52,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-21 12:43:52,069 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 [2022-07-21 12:43:52,069 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 12:43:52,091 INFO L225 Difference]: With dead ends: 6859 [2022-07-21 12:43:52,092 INFO L226 Difference]: Without dead ends: 4027 [2022-07-21 12:43:52,103 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 [2022-07-21 12:43:52,107 INFO L413 NwaCegarLoop]: 4652 mSDtfsCounter, 2371 mSDsluCounter, 8272 mSDsCounter, 0 mSdLazyCounter, 4139 mSolverCounterSat, 2089 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2627 SdHoareTripleChecker+Valid, 12924 SdHoareTripleChecker+Invalid, 6234 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2089 IncrementalHoareTripleChecker+Valid, 4139 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 22.4s IncrementalHoareTripleChecker+Time [2022-07-21 12:43:52,108 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2627 Valid, 12924 Invalid, 6234 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2089 Valid, 4139 Invalid, 6 Unknown, 0 Unchecked, 22.4s Time] [2022-07-21 12:43:52,115 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4027 states. [2022-07-21 12:43:52,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4027 to 2849. [2022-07-21 12:43:52,194 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) [2022-07-21 12:43:52,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2849 states to 2849 states and 4163 transitions. [2022-07-21 12:43:52,204 INFO L78 Accepts]: Start accepts. Automaton has 2849 states and 4163 transitions. Word has length 118 [2022-07-21 12:43:52,206 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 12:43:52,206 INFO L495 AbstractCegarLoop]: Abstraction has 2849 states and 4163 transitions. [2022-07-21 12:43:52,206 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) [2022-07-21 12:43:52,206 INFO L276 IsEmpty]: Start isEmpty. Operand 2849 states and 4163 transitions. [2022-07-21 12:43:52,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2022-07-21 12:43:52,208 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 12:43:52,208 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] [2022-07-21 12:43:52,208 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-21 12:43:52,208 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 12:43:52,209 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 12:43:52,209 INFO L85 PathProgramCache]: Analyzing trace with hash -1770877218, now seen corresponding path program 1 times [2022-07-21 12:43:52,209 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 12:43:52,209 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1366669859] [2022-07-21 12:43:52,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 12:43:52,209 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 12:43:52,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:43:52,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 12:43:52,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:43:52,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:43:52,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:43:52,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:43:52,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:43:52,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-21 12:43:52,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:43:52,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:43:52,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:43:52,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:43:52,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:43:52,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-21 12:43:52,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:43:52,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:43:52,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:43:52,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:43:52,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:43:52,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-21 12:43:52,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:43:52,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:43:52,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:43:52,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:43:52,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:43:52,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-21 12:43:52,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:43:52,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:43:52,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:43:52,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-21 12:43:52,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:43:52,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:43:52,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:43:52,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-07-21 12:43:52,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:43:52,620 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2022-07-21 12:43:52,620 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 12:43:52,620 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1366669859] [2022-07-21 12:43:52,621 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1366669859] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 12:43:52,621 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 12:43:52,621 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-21 12:43:52,621 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [984899464] [2022-07-21 12:43:52,621 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 12:43:52,622 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-21 12:43:52,622 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 12:43:52,622 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-21 12:43:52,623 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-21 12:43:52,623 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) [2022-07-21 12:43:55,877 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 [] [2022-07-21 12:43:57,917 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 12:44:04,282 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 12:44:07,238 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 [] [2022-07-21 12:44:16,997 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 12:44:16,997 INFO L93 Difference]: Finished difference Result 6060 states and 9389 transitions. [2022-07-21 12:44:16,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-21 12:44:16,998 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 [2022-07-21 12:44:16,998 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 12:44:17,023 INFO L225 Difference]: With dead ends: 6060 [2022-07-21 12:44:17,023 INFO L226 Difference]: Without dead ends: 6057 [2022-07-21 12:44:17,025 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 [2022-07-21 12:44:17,026 INFO L413 NwaCegarLoop]: 4891 mSDtfsCounter, 6912 mSDsluCounter, 7218 mSDsCounter, 0 mSdLazyCounter, 5113 mSolverCounterSat, 4031 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 22.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7295 SdHoareTripleChecker+Valid, 12109 SdHoareTripleChecker+Invalid, 9148 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4031 IncrementalHoareTripleChecker+Valid, 5113 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 23.9s IncrementalHoareTripleChecker+Time [2022-07-21 12:44:17,026 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7295 Valid, 12109 Invalid, 9148 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4031 Valid, 5113 Invalid, 4 Unknown, 0 Unchecked, 23.9s Time] [2022-07-21 12:44:17,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6057 states. [2022-07-21 12:44:17,167 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6057 to 5097. [2022-07-21 12:44:17,183 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) [2022-07-21 12:44:17,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5097 states to 5097 states and 7648 transitions. [2022-07-21 12:44:17,201 INFO L78 Accepts]: Start accepts. Automaton has 5097 states and 7648 transitions. Word has length 118 [2022-07-21 12:44:17,201 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 12:44:17,201 INFO L495 AbstractCegarLoop]: Abstraction has 5097 states and 7648 transitions. [2022-07-21 12:44:17,202 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) [2022-07-21 12:44:17,202 INFO L276 IsEmpty]: Start isEmpty. Operand 5097 states and 7648 transitions. [2022-07-21 12:44:17,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-07-21 12:44:17,207 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 12:44:17,208 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] [2022-07-21 12:44:17,208 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-21 12:44:17,208 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 12:44:17,208 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 12:44:17,208 INFO L85 PathProgramCache]: Analyzing trace with hash 1748416799, now seen corresponding path program 1 times [2022-07-21 12:44:17,209 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 12:44:17,209 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1023157407] [2022-07-21 12:44:17,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 12:44:17,209 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 12:44:17,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:44:17,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 12:44:17,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:44:17,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:44:17,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:44:17,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:44:17,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:44:17,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-21 12:44:17,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:44:17,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:44:17,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:44:17,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:44:17,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:44:17,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-21 12:44:17,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:44:17,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:44:17,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:44:17,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:44:17,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:44:17,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-21 12:44:17,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:44:17,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:44:17,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:44:17,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:44:17,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:44:17,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-21 12:44:17,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:44:17,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:44:17,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:44:17,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-21 12:44:17,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:44:17,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:44:17,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:44:17,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-21 12:44:17,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:44:17,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:44:17,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:44:17,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-21 12:44:17,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:44:17,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:44:17,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:44:17,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-07-21 12:44:17,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:44:17,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-07-21 12:44:17,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:44:17,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-07-21 12:44:17,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:44:17,542 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2022-07-21 12:44:17,542 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 12:44:17,543 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1023157407] [2022-07-21 12:44:17,544 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1023157407] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 12:44:17,544 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 12:44:17,544 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-07-21 12:44:17,544 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [846777808] [2022-07-21 12:44:17,544 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 12:44:17,544 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-21 12:44:17,545 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 12:44:17,545 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-21 12:44:17,545 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2022-07-21 12:44:17,545 INFO L87 Difference]: Start difference. First operand 5097 states and 7648 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) [2022-07-21 12:44:21,489 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 [] [2022-07-21 12:44:35,653 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 12:44:39,467 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 12:45:10,410 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 12:45:10,411 INFO L93 Difference]: Finished difference Result 31844 states and 50903 transitions. [2022-07-21 12:45:10,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-07-21 12:45:10,412 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 [2022-07-21 12:45:10,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 12:45:10,550 INFO L225 Difference]: With dead ends: 31844 [2022-07-21 12:45:10,550 INFO L226 Difference]: Without dead ends: 26762 [2022-07-21 12:45:10,579 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 [2022-07-21 12:45:10,579 INFO L413 NwaCegarLoop]: 6153 mSDtfsCounter, 30680 mSDsluCounter, 12470 mSDsCounter, 0 mSdLazyCounter, 17687 mSolverCounterSat, 25087 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 46.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32373 SdHoareTripleChecker+Valid, 18623 SdHoareTripleChecker+Invalid, 42777 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 25087 IncrementalHoareTripleChecker+Valid, 17687 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 51.1s IncrementalHoareTripleChecker+Time [2022-07-21 12:45:10,580 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [32373 Valid, 18623 Invalid, 42777 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [25087 Valid, 17687 Invalid, 3 Unknown, 0 Unchecked, 51.1s Time] [2022-07-21 12:45:10,601 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26762 states. [2022-07-21 12:45:11,287 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26762 to 22734. [2022-07-21 12:45:11,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22734 states, 15810 states have (on average 1.3850094876660342) internal successors, (21897), 16635 states have internal predecessors, (21897), 5471 states have call successors, (5471), 1167 states have call predecessors, (5471), 1452 states have return successors, (8265), 5374 states have call predecessors, (8265), 5462 states have call successors, (8265) [2022-07-21 12:45:11,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22734 states to 22734 states and 35633 transitions. [2022-07-21 12:45:11,433 INFO L78 Accepts]: Start accepts. Automaton has 22734 states and 35633 transitions. Word has length 163 [2022-07-21 12:45:11,434 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 12:45:11,434 INFO L495 AbstractCegarLoop]: Abstraction has 22734 states and 35633 transitions. [2022-07-21 12:45:11,434 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) [2022-07-21 12:45:11,434 INFO L276 IsEmpty]: Start isEmpty. Operand 22734 states and 35633 transitions. [2022-07-21 12:45:11,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2022-07-21 12:45:11,440 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 12:45:11,440 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] [2022-07-21 12:45:11,441 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-21 12:45:11,441 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 12:45:11,441 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 12:45:11,441 INFO L85 PathProgramCache]: Analyzing trace with hash -1145950047, now seen corresponding path program 1 times [2022-07-21 12:45:11,441 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 12:45:11,441 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1487419199] [2022-07-21 12:45:11,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 12:45:11,442 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 12:45:11,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:45:11,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 12:45:11,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:45:11,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:45:11,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:45:11,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:45:11,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:45:11,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-21 12:45:11,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:45:11,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:45:11,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:45:11,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:45:11,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:45:11,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-21 12:45:11,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:45:11,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:45:11,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:45:11,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:45:11,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:45:11,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-21 12:45:11,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:45:11,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:45:11,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:45:11,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:45:11,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:45:11,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-21 12:45:11,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:45:11,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:45:11,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:45:11,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-21 12:45:11,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:45:11,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:45:11,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:45:11,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-07-21 12:45:11,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:45:11,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:45:11,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:45:11,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-07-21 12:45:11,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:45:11,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:45:11,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:45:11,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-07-21 12:45:11,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:45:11,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-07-21 12:45:11,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:45:11,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-07-21 12:45:11,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:45:11,794 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2022-07-21 12:45:11,794 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 12:45:11,794 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1487419199] [2022-07-21 12:45:11,794 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1487419199] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 12:45:11,795 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 12:45:11,795 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-07-21 12:45:11,795 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [324610827] [2022-07-21 12:45:11,795 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 12:45:11,795 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-21 12:45:11,795 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 12:45:11,796 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-21 12:45:11,796 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2022-07-21 12:45:11,796 INFO L87 Difference]: Start difference. First operand 22734 states and 35633 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) [2022-07-21 12:45:13,029 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 12:45:14,055 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 12:45:17,626 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 12:45:24,512 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 12:45:32,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 12:45:32,848 INFO L93 Difference]: Finished difference Result 49429 states and 78758 transitions. [2022-07-21 12:45:32,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-07-21 12:45:32,849 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 [2022-07-21 12:45:32,850 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 12:45:33,010 INFO L225 Difference]: With dead ends: 49429 [2022-07-21 12:45:33,011 INFO L226 Difference]: Without dead ends: 26710 [2022-07-21 12:45:33,108 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 [2022-07-21 12:45:33,109 INFO L413 NwaCegarLoop]: 3876 mSDtfsCounter, 15525 mSDsluCounter, 5456 mSDsCounter, 0 mSdLazyCounter, 4741 mSolverCounterSat, 10883 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16096 SdHoareTripleChecker+Valid, 9332 SdHoareTripleChecker+Invalid, 15626 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 10883 IncrementalHoareTripleChecker+Valid, 4741 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.9s IncrementalHoareTripleChecker+Time [2022-07-21 12:45:33,110 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16096 Valid, 9332 Invalid, 15626 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [10883 Valid, 4741 Invalid, 2 Unknown, 0 Unchecked, 19.9s Time] [2022-07-21 12:45:33,133 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26710 states. [2022-07-21 12:45:34,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26710 to 22741. [2022-07-21 12:45:34,184 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) [2022-07-21 12:45:34,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22741 states to 22741 states and 35595 transitions. [2022-07-21 12:45:34,296 INFO L78 Accepts]: Start accepts. Automaton has 22741 states and 35595 transitions. Word has length 166 [2022-07-21 12:45:34,296 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 12:45:34,297 INFO L495 AbstractCegarLoop]: Abstraction has 22741 states and 35595 transitions. [2022-07-21 12:45:34,297 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) [2022-07-21 12:45:34,297 INFO L276 IsEmpty]: Start isEmpty. Operand 22741 states and 35595 transitions. [2022-07-21 12:45:34,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2022-07-21 12:45:34,307 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 12:45:34,307 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] [2022-07-21 12:45:34,307 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-07-21 12:45:34,307 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 12:45:34,308 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 12:45:34,308 INFO L85 PathProgramCache]: Analyzing trace with hash -1323120618, now seen corresponding path program 1 times [2022-07-21 12:45:34,308 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 12:45:34,308 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1774658012] [2022-07-21 12:45:34,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 12:45:34,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 12:45:34,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:45:34,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 12:45:34,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:45:34,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:45:34,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:45:34,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:45:34,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:45:34,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-21 12:45:34,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:45:34,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:45:34,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:45:34,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:45:34,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:45:34,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-21 12:45:34,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:45:34,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:45:34,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:45:34,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:45:34,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:45:34,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-21 12:45:34,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:45:34,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:45:34,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:45:34,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:45:34,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:45:34,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-21 12:45:34,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:45:34,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:45:34,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:45:34,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-21 12:45:34,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:45:34,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:45:34,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:45:34,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-21 12:45:34,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:45:34,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-21 12:45:34,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:45:34,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-07-21 12:45:34,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:45:34,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-07-21 12:45:34,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:45:34,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-07-21 12:45:34,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:45:34,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:45:34,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:45:34,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-07-21 12:45:34,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:45:34,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:45:34,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:45:34,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-07-21 12:45:34,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:45:34,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:45:34,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:45:34,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-21 12:45:34,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:45:34,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-07-21 12:45:34,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:45:34,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-21 12:45:34,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:45:34,686 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2022-07-21 12:45:34,686 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 12:45:34,686 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1774658012] [2022-07-21 12:45:34,687 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1774658012] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 12:45:34,687 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 12:45:34,687 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-21 12:45:34,687 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1810841891] [2022-07-21 12:45:34,687 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 12:45:34,688 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-21 12:45:34,688 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 12:45:34,688 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-21 12:45:34,688 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-07-21 12:45:34,688 INFO L87 Difference]: Start difference. First operand 22741 states and 35595 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) [2022-07-21 12:45:38,666 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 12:45:45,110 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 12:45:55,737 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 12:45:55,737 INFO L93 Difference]: Finished difference Result 72357 states and 115373 transitions. [2022-07-21 12:45:55,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-07-21 12:45:55,738 INFO L78 Accepts]: Start accepts. Automaton has 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) Word has length 202 [2022-07-21 12:45:55,739 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 12:45:56,018 INFO L225 Difference]: With dead ends: 72357 [2022-07-21 12:45:56,019 INFO L226 Difference]: Without dead ends: 49654 [2022-07-21 12:45:56,106 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=71, Invalid=139, Unknown=0, NotChecked=0, Total=210 [2022-07-21 12:45:56,107 INFO L413 NwaCegarLoop]: 4408 mSDtfsCounter, 13321 mSDsluCounter, 6666 mSDsCounter, 0 mSdLazyCounter, 6962 mSolverCounterSat, 11227 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14086 SdHoareTripleChecker+Valid, 11074 SdHoareTripleChecker+Invalid, 18191 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 11227 IncrementalHoareTripleChecker+Valid, 6962 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.0s IncrementalHoareTripleChecker+Time [2022-07-21 12:45:56,107 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14086 Valid, 11074 Invalid, 18191 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [11227 Valid, 6962 Invalid, 2 Unknown, 0 Unchecked, 19.0s Time] [2022-07-21 12:45:56,147 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49654 states. [2022-07-21 12:45:57,564 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49654 to 42235. [2022-07-21 12:45:57,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42235 states, 29267 states have (on average 1.381829364130249) internal successors, (40442), 30843 states have internal predecessors, (40442), 10152 states have call successors, (10152), 2264 states have call predecessors, (10152), 2815 states have return successors, (15227), 9965 states have call predecessors, (15227), 10143 states have call successors, (15227) [2022-07-21 12:45:57,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42235 states to 42235 states and 65821 transitions. [2022-07-21 12:45:57,849 INFO L78 Accepts]: Start accepts. Automaton has 42235 states and 65821 transitions. Word has length 202 [2022-07-21 12:45:57,850 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 12:45:57,850 INFO L495 AbstractCegarLoop]: Abstraction has 42235 states and 65821 transitions. [2022-07-21 12:45:57,850 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has 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) [2022-07-21 12:45:57,850 INFO L276 IsEmpty]: Start isEmpty. Operand 42235 states and 65821 transitions. [2022-07-21 12:45:57,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2022-07-21 12:45:57,862 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 12:45:57,862 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] [2022-07-21 12:45:57,862 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-07-21 12:45:57,862 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 12:45:57,863 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 12:45:57,863 INFO L85 PathProgramCache]: Analyzing trace with hash -695665982, now seen corresponding path program 1 times [2022-07-21 12:45:57,863 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 12:45:57,863 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [611292788] [2022-07-21 12:45:57,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 12:45:57,863 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 12:45:57,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:45:58,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 12:45:58,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:45:58,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:45:58,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:45:58,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:45:58,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:45:58,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-21 12:45:58,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:45:58,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:45:58,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:45:58,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:45:58,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:45:58,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-21 12:45:58,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:45:58,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:45:58,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:45:58,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:45:58,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:45:58,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-21 12:45:58,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:45:58,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:45:58,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:45:58,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:45:58,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:45:58,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-21 12:45:58,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:45:58,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:45:58,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:45:58,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-21 12:45:58,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:45:58,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:45:58,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:45:58,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-21 12:45:58,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:45:58,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-07-21 12:45:58,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:45:58,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-07-21 12:45:58,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:45:58,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-21 12:45:58,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:45:58,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-21 12:45:58,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:45:58,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:45:58,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:45:58,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2022-07-21 12:45:58,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:45:58,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:45:58,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:45:58,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-21 12:45:58,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:45:58,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:45:58,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:45:58,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2022-07-21 12:45:58,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:45:58,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-07-21 12:45:58,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:45:58,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2022-07-21 12:45:58,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:45:58,211 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2022-07-21 12:45:58,212 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 12:45:58,212 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [611292788] [2022-07-21 12:45:58,212 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [611292788] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 12:45:58,212 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 12:45:58,212 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-21 12:45:58,212 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [310843323] [2022-07-21 12:45:58,212 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 12:45:58,213 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-21 12:45:58,213 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 12:45:58,213 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-21 12:45:58,213 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-07-21 12:45:58,214 INFO L87 Difference]: Start difference. First operand 42235 states and 65821 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) [2022-07-21 12:46:01,391 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 12:46:08,431 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 12:46:21,295 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 12:46:21,296 INFO L93 Difference]: Finished difference Result 141199 states and 224869 transitions. [2022-07-21 12:46:21,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-07-21 12:46:21,297 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 [2022-07-21 12:46:21,297 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 12:46:22,090 INFO L225 Difference]: With dead ends: 141199 [2022-07-21 12:46:22,091 INFO L226 Difference]: Without dead ends: 98938 [2022-07-21 12:46:22,298 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 [2022-07-21 12:46:22,298 INFO L413 NwaCegarLoop]: 4536 mSDtfsCounter, 13417 mSDsluCounter, 7239 mSDsCounter, 0 mSdLazyCounter, 7373 mSolverCounterSat, 11769 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14220 SdHoareTripleChecker+Valid, 11775 SdHoareTripleChecker+Invalid, 19144 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 11769 IncrementalHoareTripleChecker+Valid, 7373 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.2s IncrementalHoareTripleChecker+Time [2022-07-21 12:46:22,299 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14220 Valid, 11775 Invalid, 19144 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [11769 Valid, 7373 Invalid, 2 Unknown, 0 Unchecked, 19.2s Time] [2022-07-21 12:46:22,467 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98938 states. [2022-07-21 12:46:25,802 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98938 to 83981. [2022-07-21 12:46:25,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83981 states, 58177 states have (on average 1.3813362669096034) internal successors, (80362), 61309 states have internal predecessors, (80362), 20206 states have call successors, (20206), 4522 states have call predecessors, (20206), 5597 states have return successors, (30154), 19809 states have call predecessors, (30154), 20173 states have call successors, (30154) [2022-07-21 12:46:26,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83981 states to 83981 states and 130722 transitions. [2022-07-21 12:46:26,963 INFO L78 Accepts]: Start accepts. Automaton has 83981 states and 130722 transitions. Word has length 206 [2022-07-21 12:46:26,964 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 12:46:26,964 INFO L495 AbstractCegarLoop]: Abstraction has 83981 states and 130722 transitions. [2022-07-21 12:46:26,964 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) [2022-07-21 12:46:26,964 INFO L276 IsEmpty]: Start isEmpty. Operand 83981 states and 130722 transitions. [2022-07-21 12:46:26,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2022-07-21 12:46:26,997 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 12:46:26,997 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, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 12:46:26,997 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-07-21 12:46:26,998 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 12:46:26,998 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 12:46:26,998 INFO L85 PathProgramCache]: Analyzing trace with hash -397600218, now seen corresponding path program 1 times [2022-07-21 12:46:26,998 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 12:46:26,998 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1910736668] [2022-07-21 12:46:26,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 12:46:26,999 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 12:46:27,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:46:28,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 12:46:28,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:46:28,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:46:28,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:46:28,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:46:28,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:46:28,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-21 12:46:28,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:46:28,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:46:28,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:46:28,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:46:28,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:46:28,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-21 12:46:28,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:46:28,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:46:28,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:46:28,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:46:28,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:46:28,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-21 12:46:28,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:46:28,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:46:28,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:46:28,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:46:28,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:46:28,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-21 12:46:28,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:46:28,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:46:28,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:46:28,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-21 12:46:28,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:46:28,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:46:28,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:46:28,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-07-21 12:46:28,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:46:28,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-21 12:46:28,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:46:28,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-07-21 12:46:28,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:46:28,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-07-21 12:46:28,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:46:28,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-07-21 12:46:28,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:46:28,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:46:28,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:46:28,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2022-07-21 12:46:28,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:46:28,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-07-21 12:46:28,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:46:28,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:46:28,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:46:28,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-07-21 12:46:28,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:46:28,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:46:28,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:46:28,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-21 12:46:28,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:46:28,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-21 12:46:28,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:46:28,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2022-07-21 12:46:28,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:46:28,521 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2022-07-21 12:46:28,521 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 12:46:28,521 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1910736668] [2022-07-21 12:46:28,521 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1910736668] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 12:46:28,521 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 12:46:28,522 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-07-21 12:46:28,522 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1684198561] [2022-07-21 12:46:28,522 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 12:46:28,523 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-07-21 12:46:28,523 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 12:46:28,523 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-07-21 12:46:28,523 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=264, Unknown=0, NotChecked=0, Total=306 [2022-07-21 12:46:28,524 INFO L87 Difference]: Start difference. First operand 83981 states and 130722 transitions. Second operand has 18 states, 17 states have (on average 7.529411764705882) internal successors, (128), 12 states have internal predecessors, (128), 9 states have call successors, (35), 8 states have call predecessors, (35), 3 states have return successors, (23), 9 states have call predecessors, (23), 8 states have call successors, (23) [2022-07-21 12:46:33,849 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 12:46:35,887 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 12:46:37,927 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 12:46:39,972 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 12:46:42,017 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 12:46:47,130 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 12:46:49,169 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 12:46:51,210 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 12:46:53,242 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 12:46:55,264 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []