./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 eb692b52 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-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-?-eb692b5 [2022-07-20 01:11:32,584 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-20 01:11:32,586 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-20 01:11:32,608 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-20 01:11:32,609 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-20 01:11:32,610 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-20 01:11:32,610 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-20 01:11:32,611 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-20 01:11:32,612 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-20 01:11:32,613 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-20 01:11:32,614 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-20 01:11:32,614 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-20 01:11:32,615 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-20 01:11:32,615 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-20 01:11:32,616 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-20 01:11:32,617 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-20 01:11:32,617 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-20 01:11:32,618 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-20 01:11:32,619 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-20 01:11:32,620 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-20 01:11:32,621 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-20 01:11:32,629 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-20 01:11:32,630 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-20 01:11:32,631 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-20 01:11:32,631 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-20 01:11:32,633 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-20 01:11:32,633 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-20 01:11:32,633 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-20 01:11:32,634 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-20 01:11:32,634 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-20 01:11:32,635 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-20 01:11:32,635 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-20 01:11:32,635 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-20 01:11:32,636 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-20 01:11:32,636 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-20 01:11:32,637 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-20 01:11:32,637 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-20 01:11:32,638 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-20 01:11:32,638 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-20 01:11:32,638 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-20 01:11:32,638 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-20 01:11:32,639 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-20 01:11:32,640 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-20 01:11:32,653 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-20 01:11:32,653 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-20 01:11:32,653 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-20 01:11:32,653 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-20 01:11:32,654 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-20 01:11:32,654 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-20 01:11:32,654 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-20 01:11:32,655 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-20 01:11:32,655 INFO L138 SettingsManager]: * Use SBE=true [2022-07-20 01:11:32,655 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-20 01:11:32,655 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-20 01:11:32,655 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-20 01:11:32,655 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-20 01:11:32,655 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-20 01:11:32,656 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-20 01:11:32,656 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-20 01:11:32,656 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-20 01:11:32,656 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-20 01:11:32,656 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-20 01:11:32,656 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-20 01:11:32,656 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-20 01:11:32,657 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-20 01:11:32,657 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-20 01:11:32,657 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-20 01:11:32,657 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-20 01:11:32,657 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-20 01:11:32,657 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-20 01:11:32,657 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-20 01:11:32,658 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-20 01:11:32,658 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-20 01:11:32,658 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 34bfb407ab3285beb6e4618a31251a3cfac86b629af8c3915889881b8af28c9e [2022-07-20 01:11:32,827 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-20 01:11:32,843 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-20 01:11:32,845 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-20 01:11:32,846 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-20 01:11:32,847 INFO L275 PluginConnector]: CDTParser initialized [2022-07-20 01:11:32,848 INFO L432 ainManager$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 [2022-07-20 01:11:32,901 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e669c063b/1a34d4533d3e4bc383d89272e21e4407/FLAG13afccc6b [2022-07-20 01:11:33,527 INFO L306 CDTParser]: Found 1 translation units. [2022-07-20 01:11:33,528 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 [2022-07-20 01:11:33,570 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e669c063b/1a34d4533d3e4bc383d89272e21e4407/FLAG13afccc6b [2022-07-20 01:11:33,928 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e669c063b/1a34d4533d3e4bc383d89272e21e4407 [2022-07-20 01:11:33,931 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-20 01:11:33,933 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-20 01:11:33,934 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-20 01:11:33,934 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-20 01:11:33,937 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-20 01:11:33,938 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 01:11:33" (1/1) ... [2022-07-20 01:11:33,938 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c2665c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:11:33, skipping insertion in model container [2022-07-20 01:11:33,939 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 01:11:33" (1/1) ... [2022-07-20 01:11:33,944 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-20 01:11:34,049 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-20 01:11:35,394 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] [2022-07-20 01:11:35,441 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-20 01:11:35,496 INFO L203 MainTranslator]: Completed pre-run [2022-07-20 01:11:35,781 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] [2022-07-20 01:11:35,790 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-20 01:11:35,863 INFO L208 MainTranslator]: Completed translation [2022-07-20 01:11:35,865 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:11:35 WrapperNode [2022-07-20 01:11:35,866 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-20 01:11:35,867 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-20 01:11:35,867 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-20 01:11:35,867 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-20 01:11:35,872 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:11:35" (1/1) ... [2022-07-20 01:11:36,012 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:11:35" (1/1) ... [2022-07-20 01:11:36,159 INFO L137 Inliner]: procedures = 334, calls = 3839, calls flagged for inlining = 113, calls inlined = 106, statements flattened = 6922 [2022-07-20 01:11:36,160 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-20 01:11:36,161 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-20 01:11:36,161 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-20 01:11:36,201 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-20 01:11:36,208 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:11:35" (1/1) ... [2022-07-20 01:11:36,208 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:11:35" (1/1) ... [2022-07-20 01:11:36,281 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:11:35" (1/1) ... [2022-07-20 01:11:36,282 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:11:35" (1/1) ... [2022-07-20 01:11:36,409 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:11:35" (1/1) ... [2022-07-20 01:11:36,433 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:11:35" (1/1) ... [2022-07-20 01:11:36,471 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:11:35" (1/1) ... [2022-07-20 01:11:36,512 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-20 01:11:36,513 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-20 01:11:36,513 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-20 01:11:36,513 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-20 01:11:36,514 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:11:35" (1/1) ... [2022-07-20 01:11:36,520 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-20 01:11:36,527 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-20 01:11:36,573 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-07-20 01:11:36,645 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-07-20 01:11:36,673 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_setup_msg_structures_uv [2022-07-20 01:11:36,673 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_setup_msg_structures_uv [2022-07-20 01:11:36,673 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-07-20 01:11:36,673 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-07-20 01:11:36,673 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_heartbeat_init_uv [2022-07-20 01:11:36,673 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_heartbeat_init_uv [2022-07-20 01:11:36,674 INFO L130 BoogieDeclarations]: Found specification of procedure __cmpxchg_wrong_size [2022-07-20 01:11:36,674 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_allow_hb_uv [2022-07-20 01:11:36,674 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_allow_hb_uv [2022-07-20 01:11:36,674 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_teardown_partitions_uv [2022-07-20 01:11:36,674 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_teardown_partitions_uv [2022-07-20 01:11:36,674 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_kthread_waitmsgs [2022-07-20 01:11:36,674 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_kthread_waitmsgs [2022-07-20 01:11:36,674 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_send_chctl_opencomplete_uv [2022-07-20 01:11:36,675 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_send_chctl_opencomplete_uv [2022-07-20 01:11:36,675 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-20 01:11:36,675 INFO L130 BoogieDeclarations]: Found specification of procedure wake_up_process [2022-07-20 01:11:36,675 INFO L138 BoogieDeclarations]: Found implementation of procedure wake_up_process [2022-07-20 01:11:36,675 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-20 01:11:36,675 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-20 01:11:36,675 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-20 01:11:36,675 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-20 01:11:36,675 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-20 01:11:36,676 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_teardown_msg_structures_uv [2022-07-20 01:11:36,676 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_teardown_msg_structures_uv [2022-07-20 01:11:36,676 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_teardown_rsvd_page [2022-07-20 01:11:36,676 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_teardown_rsvd_page [2022-07-20 01:11:36,676 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_partition_disengaged [2022-07-20 01:11:36,676 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_partition_disengaged [2022-07-20 01:11:36,676 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_wakeup_channel_mgr [2022-07-20 01:11:36,676 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_wakeup_channel_mgr [2022-07-20 01:11:36,676 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2022-07-20 01:11:36,677 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2022-07-20 01:11:36,677 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-07-20 01:11:36,677 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-07-20 01:11:36,677 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2022-07-20 01:11:36,677 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2022-07-20 01:11:36,677 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_sub_return [2022-07-20 01:11:36,677 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_sub_return [2022-07-20 01:11:36,677 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-20 01:11:36,678 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-20 01:11:36,678 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_kmalloc_cacheline_aligned [2022-07-20 01:11:36,678 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_kmalloc_cacheline_aligned [2022-07-20 01:11:36,678 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_setup_partitions_uv [2022-07-20 01:11:36,678 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_setup_partitions_uv [2022-07-20 01:11:36,678 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_offline_heartbeat_uv [2022-07-20 01:11:36,678 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_offline_heartbeat_uv [2022-07-20 01:11:36,678 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_release_gru_mq_irq_uv [2022-07-20 01:11:36,678 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_release_gru_mq_irq_uv [2022-07-20 01:11:36,679 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~X~int~TO~int [2022-07-20 01:11:36,679 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~X~int~TO~int [2022-07-20 01:11:36,679 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2022-07-20 01:11:36,679 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_notify_sender_uv [2022-07-20 01:11:36,679 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_notify_sender_uv [2022-07-20 01:11:36,679 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_die_deactivate [2022-07-20 01:11:36,679 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_die_deactivate [2022-07-20 01:11:36,679 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_process_connect [2022-07-20 01:11:36,679 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_process_connect [2022-07-20 01:11:36,680 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-07-20 01:11:36,680 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-07-20 01:11:36,680 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2022-07-20 01:11:36,680 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2022-07-20 01:11:36,680 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_die_notifier [2022-07-20 01:11:36,680 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_die_notifier [2022-07-20 01:11:36,680 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_check_remote_hb [2022-07-20 01:11:36,680 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_check_remote_hb [2022-07-20 01:11:36,681 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-07-20 01:11:36,681 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-07-20 01:11:36,681 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-07-20 01:11:36,681 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-07-20 01:11:36,681 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_init_fifo_uv [2022-07-20 01:11:36,681 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_init_fifo_uv [2022-07-20 01:11:36,681 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_msgqueue_ref [2022-07-20 01:11:36,681 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_msgqueue_ref [2022-07-20 01:11:36,681 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_received_payload_uv [2022-07-20 01:11:36,682 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_received_payload_uv [2022-07-20 01:11:36,682 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-07-20 01:11:36,682 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-07-20 01:11:36,682 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-20 01:11:36,682 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-20 01:11:36,682 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_kthread_start [2022-07-20 01:11:36,682 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_kthread_start [2022-07-20 01:11:36,682 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-07-20 01:11:36,682 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-07-20 01:11:36,683 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_part_ref [2022-07-20 01:11:36,683 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_part_ref [2022-07-20 01:11:36,683 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_create_kthreads [2022-07-20 01:11:36,683 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_create_kthreads [2022-07-20 01:11:36,683 INFO L130 BoogieDeclarations]: Found specification of procedure msleep_interruptible [2022-07-20 01:11:36,683 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep_interruptible [2022-07-20 01:11:36,683 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_send_local_activate_IRQ_uv [2022-07-20 01:11:36,683 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_send_local_activate_IRQ_uv [2022-07-20 01:11:36,683 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_exit_uv [2022-07-20 01:11:36,684 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_exit_uv [2022-07-20 01:11:36,684 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-07-20 01:11:36,684 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-07-20 01:11:36,684 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_put_fifo_entry_uv [2022-07-20 01:11:36,684 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_put_fifo_entry_uv [2022-07-20 01:11:36,684 INFO L130 BoogieDeclarations]: Found specification of procedure uv_blade_to_pnode [2022-07-20 01:11:36,684 INFO L138 BoogieDeclarations]: Found implementation of procedure uv_blade_to_pnode [2022-07-20 01:11:36,684 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_process_activate_IRQ_rcvd_uv [2022-07-20 01:11:36,685 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_process_activate_IRQ_rcvd_uv [2022-07-20 01:11:36,685 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_send_activate_IRQ_uv [2022-07-20 01:11:36,685 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_send_activate_IRQ_uv [2022-07-20 01:11:36,685 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_send_payload_uv [2022-07-20 01:11:36,685 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_send_payload_uv [2022-07-20 01:11:36,685 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_free_msg_slot_uv [2022-07-20 01:11:36,685 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_free_msg_slot_uv [2022-07-20 01:11:36,685 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-20 01:11:36,685 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-07-20 01:11:36,686 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-07-20 01:11:36,686 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_indicate_partition_engaged_uv [2022-07-20 01:11:36,686 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_indicate_partition_engaged_uv [2022-07-20 01:11:36,686 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_process_openclose_chctl_flags [2022-07-20 01:11:36,686 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_process_openclose_chctl_flags [2022-07-20 01:11:36,686 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-20 01:11:36,686 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_process_msg_chctl_flags_uv [2022-07-20 01:11:36,686 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_process_msg_chctl_flags_uv [2022-07-20 01:11:36,687 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2022-07-20 01:11:36,687 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2022-07-20 01:11:36,687 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2022-07-20 01:11:36,687 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_msgqueue_deref [2022-07-20 01:11:36,687 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_msgqueue_deref [2022-07-20 01:11:36,687 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2022-07-20 01:11:36,687 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2022-07-20 01:11:36,687 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-20 01:11:36,687 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-20 01:11:36,688 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_send_chctl_closereply_uv [2022-07-20 01:11:36,688 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_send_chctl_closereply_uv [2022-07-20 01:11:36,688 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-07-20 01:11:36,688 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-07-20 01:11:36,688 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_connect_channel [2022-07-20 01:11:36,688 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_connect_channel [2022-07-20 01:11:36,688 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_cache_remote_gru_mq_desc_uv [2022-07-20 01:11:36,688 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_cache_remote_gru_mq_desc_uv [2022-07-20 01:11:36,688 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_teardown_ch_structures_uv [2022-07-20 01:11:36,689 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_teardown_ch_structures_uv [2022-07-20 01:11:36,689 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~int [2022-07-20 01:11:36,689 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~int [2022-07-20 01:11:36,689 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-20 01:11:36,689 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_request_partition_activation_uv [2022-07-20 01:11:36,689 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_request_partition_activation_uv [2022-07-20 01:11:36,689 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_activating [2022-07-20 01:11:36,689 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_activating [2022-07-20 01:11:36,689 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-20 01:11:36,690 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_disconnect_callout [2022-07-20 01:11:36,690 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_disconnect_callout [2022-07-20 01:11:36,690 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_deactivate_partition [2022-07-20 01:11:36,690 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_deactivate_partition [2022-07-20 01:11:36,690 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_indicate_partition_disengaged_uv [2022-07-20 01:11:36,690 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_indicate_partition_disengaged_uv [2022-07-20 01:11:36,690 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_disconnect_channel [2022-07-20 01:11:36,690 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_disconnect_channel [2022-07-20 01:11:36,690 INFO L130 BoogieDeclarations]: Found specification of procedure find_next_bit [2022-07-20 01:11:36,691 INFO L138 BoogieDeclarations]: Found implementation of procedure find_next_bit [2022-07-20 01:11:36,691 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~~TO~int [2022-07-20 01:11:36,691 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~~TO~int [2022-07-20 01:11:36,691 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-07-20 01:11:36,691 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-07-20 01:11:36,691 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_channel_mgr [2022-07-20 01:11:36,691 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_channel_mgr [2022-07-20 01:11:36,691 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_save_remote_msgqueue_pa_uv [2022-07-20 01:11:36,691 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_save_remote_msgqueue_pa_uv [2022-07-20 01:11:36,691 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_send_chctl_openrequest_uv [2022-07-20 01:11:36,692 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_send_chctl_openrequest_uv [2022-07-20 01:11:36,692 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_heartbeat_exit_uv [2022-07-20 01:11:36,692 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_heartbeat_exit_uv [2022-07-20 01:11:36,692 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-07-20 01:11:36,692 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-07-20 01:11:36,692 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_setup_ch_structures [2022-07-20 01:11:36,692 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_setup_ch_structures [2022-07-20 01:11:36,692 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-07-20 01:11:36,692 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-07-20 01:11:36,693 INFO L130 BoogieDeclarations]: Found specification of procedure free_pages [2022-07-20 01:11:36,693 INFO L138 BoogieDeclarations]: Found implementation of procedure free_pages [2022-07-20 01:11:36,693 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_any_partition_engaged_uv [2022-07-20 01:11:36,693 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_any_partition_engaged_uv [2022-07-20 01:11:36,693 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2022-07-20 01:11:36,693 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2022-07-20 01:11:36,693 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2022-07-20 01:11:36,693 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2022-07-20 01:11:36,693 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-07-20 01:11:36,694 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_get_rsvd_page_pa [2022-07-20 01:11:36,694 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_get_rsvd_page_pa [2022-07-20 01:11:36,694 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_activate_partition [2022-07-20 01:11:36,694 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_activate_partition [2022-07-20 01:11:36,694 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_send_activate_IRQ_part_uv [2022-07-20 01:11:36,694 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_send_activate_IRQ_part_uv [2022-07-20 01:11:36,694 INFO L130 BoogieDeclarations]: Found specification of procedure uv_cpu_to_blade_id [2022-07-20 01:11:36,694 INFO L138 BoogieDeclarations]: Found implementation of procedure uv_cpu_to_blade_id [2022-07-20 01:11:36,694 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_initiate_discovery [2022-07-20 01:11:36,694 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_initiate_discovery [2022-07-20 01:11:36,695 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-07-20 01:11:36,695 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-07-20 01:11:36,695 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_request_partition_reactivation_uv [2022-07-20 01:11:36,695 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_request_partition_reactivation_uv [2022-07-20 01:11:36,695 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-07-20 01:11:36,695 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_activate_kthreads [2022-07-20 01:11:36,695 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_activate_kthreads [2022-07-20 01:11:36,695 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-20 01:11:36,695 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_partition_engaged_uv [2022-07-20 01:11:36,696 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_partition_engaged_uv [2022-07-20 01:11:36,696 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2022-07-20 01:11:36,696 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2022-07-20 01:11:36,696 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_send_gru_msg [2022-07-20 01:11:36,696 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_send_gru_msg [2022-07-20 01:11:36,696 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-20 01:11:36,696 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-20 01:11:36,696 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_create_gru_mq_uv [2022-07-20 01:11:36,696 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_create_gru_mq_uv [2022-07-20 01:11:36,697 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_reboot_notifier [2022-07-20 01:11:36,697 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_reboot_notifier [2022-07-20 01:11:36,697 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_part_deref [2022-07-20 01:11:36,697 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_part_deref [2022-07-20 01:11:36,697 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_send_chctl_closerequest_uv [2022-07-20 01:11:36,697 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_send_chctl_closerequest_uv [2022-07-20 01:11:36,697 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_disallow_all_hbs_uv [2022-07-20 01:11:36,697 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_disallow_all_hbs_uv [2022-07-20 01:11:36,697 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_timeout_partition_disengage [2022-07-20 01:11:36,697 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_timeout_partition_disengage [2022-07-20 01:11:36,698 INFO L130 BoogieDeclarations]: Found specification of procedure cpumask_of_node [2022-07-20 01:11:36,698 INFO L138 BoogieDeclarations]: Found implementation of procedure cpumask_of_node [2022-07-20 01:11:36,698 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_init_mq_node [2022-07-20 01:11:36,698 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_init_mq_node [2022-07-20 01:11:36,698 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_destroy_gru_mq_uv [2022-07-20 01:11:36,698 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_destroy_gru_mq_uv [2022-07-20 01:11:36,698 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_discovery [2022-07-20 01:11:36,698 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_discovery [2022-07-20 01:11:36,698 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_get_partition_rsvd_page_pa_uv [2022-07-20 01:11:36,699 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_get_partition_rsvd_page_pa_uv [2022-07-20 01:11:36,699 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait_event [2022-07-20 01:11:36,699 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait_event [2022-07-20 01:11:36,699 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-20 01:11:36,699 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-20 01:11:36,699 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_send_activate_IRQ_ch_uv [2022-07-20 01:11:36,699 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_send_activate_IRQ_ch_uv [2022-07-20 01:11:36,699 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_increment_heartbeat_uv [2022-07-20 01:11:36,699 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_increment_heartbeat_uv [2022-07-20 01:11:36,699 INFO L130 BoogieDeclarations]: Found specification of procedure put_online_cpus [2022-07-20 01:11:36,700 INFO L138 BoogieDeclarations]: Found implementation of procedure put_online_cpus [2022-07-20 01:11:36,700 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-20 01:11:36,700 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_process_sent_chctl_flags [2022-07-20 01:11:36,700 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_process_sent_chctl_flags [2022-07-20 01:11:36,700 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_get_remote_heartbeat_uv [2022-07-20 01:11:36,700 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_get_remote_heartbeat_uv [2022-07-20 01:11:36,700 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-20 01:11:36,700 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-20 01:11:36,700 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_teardown_partitions [2022-07-20 01:11:36,701 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_teardown_partitions [2022-07-20 01:11:36,701 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_process_disconnect [2022-07-20 01:11:36,701 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_process_disconnect [2022-07-20 01:11:36,701 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_do_exit [2022-07-20 01:11:36,701 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_do_exit [2022-07-20 01:11:36,701 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-07-20 01:11:36,701 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-07-20 01:11:36,701 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_online_heartbeat_uv [2022-07-20 01:11:36,701 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_online_heartbeat_uv [2022-07-20 01:11:36,701 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_get_fifo_entry_uv [2022-07-20 01:11:36,702 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_get_fifo_entry_uv [2022-07-20 01:11:36,702 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_disallow_hb_uv [2022-07-20 01:11:36,702 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_disallow_hb_uv [2022-07-20 01:11:36,702 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-20 01:11:36,702 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_send_chctl_openreply_uv [2022-07-20 01:11:36,702 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_send_chctl_openreply_uv [2022-07-20 01:11:36,702 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_1 [2022-07-20 01:11:36,702 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_1 [2022-07-20 01:11:36,703 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_hb_checker [2022-07-20 01:11:36,703 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_hb_checker [2022-07-20 01:11:36,703 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~~TO~VOID [2022-07-20 01:11:36,703 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~~TO~VOID [2022-07-20 01:11:36,703 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-07-20 01:11:36,703 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-07-20 01:11:36,703 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2022-07-20 01:11:36,703 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2022-07-20 01:11:36,703 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_setup_ch_structures_uv [2022-07-20 01:11:36,704 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_setup_ch_structures_uv [2022-07-20 01:11:36,704 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_setup_rsvd_page_uv [2022-07-20 01:11:36,704 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_setup_rsvd_page_uv [2022-07-20 01:11:36,704 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-20 01:11:36,704 INFO L130 BoogieDeclarations]: Found specification of procedure cpumask_next [2022-07-20 01:11:36,704 INFO L138 BoogieDeclarations]: Found implementation of procedure cpumask_next [2022-07-20 01:11:36,704 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2022-07-20 01:11:36,704 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2022-07-20 01:11:36,704 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_request_partition_deactivation_uv [2022-07-20 01:11:36,704 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_request_partition_deactivation_uv [2022-07-20 01:11:36,705 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_get_chctl_all_flags_uv [2022-07-20 01:11:36,705 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_get_chctl_all_flags_uv [2022-07-20 01:11:36,705 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_gru_mq_watchlist_free_uv [2022-07-20 01:11:36,705 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_gru_mq_watchlist_free_uv [2022-07-20 01:11:36,705 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_partition_going_down [2022-07-20 01:11:36,705 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_partition_going_down [2022-07-20 01:11:36,705 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion [2022-07-20 01:11:36,705 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion [2022-07-20 01:11:36,705 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-20 01:11:36,706 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-07-20 01:11:36,706 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_1 [2022-07-20 01:11:36,706 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_1 [2022-07-20 01:11:36,706 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-07-20 01:11:36,706 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-07-20 01:11:36,706 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-07-20 01:11:36,706 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-07-20 01:11:36,706 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2022-07-20 01:11:36,706 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2022-07-20 01:11:36,706 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2022-07-20 01:11:36,707 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2022-07-20 01:11:36,707 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_sysctl_table [2022-07-20 01:11:36,707 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_sysctl_table [2022-07-20 01:11:36,707 INFO L130 BoogieDeclarations]: Found specification of procedure uv_gpa [2022-07-20 01:11:36,707 INFO L138 BoogieDeclarations]: Found implementation of procedure uv_gpa [2022-07-20 01:11:36,707 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2022-07-20 01:11:36,707 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2022-07-20 01:11:36,707 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~X~int~X~$Pointer$~X~$Pointer$~TO~VOID [2022-07-20 01:11:36,707 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~X~int~X~$Pointer$~X~$Pointer$~TO~VOID [2022-07-20 01:11:36,708 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_get_deliverable_payload_uv [2022-07-20 01:11:36,708 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_get_deliverable_payload_uv [2022-07-20 01:11:36,708 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_notify_senders_of_disconnect_uv [2022-07-20 01:11:36,708 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_notify_senders_of_disconnect_uv [2022-07-20 01:11:36,708 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_add_return [2022-07-20 01:11:36,708 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_add_return [2022-07-20 01:11:36,708 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_make_first_contact_uv [2022-07-20 01:11:36,708 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_make_first_contact_uv [2022-07-20 01:11:36,708 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_n_of_deliverable_payloads_uv [2022-07-20 01:11:36,708 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_n_of_deliverable_payloads_uv [2022-07-20 01:11:36,709 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_get_remote_rp [2022-07-20 01:11:36,709 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_get_remote_rp [2022-07-20 01:11:36,709 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_hb_beater [2022-07-20 01:11:36,709 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_hb_beater [2022-07-20 01:11:36,709 INFO L130 BoogieDeclarations]: Found specification of procedure is_uv_system [2022-07-20 01:11:36,709 INFO L138 BoogieDeclarations]: Found implementation of procedure is_uv_system [2022-07-20 01:11:36,709 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-07-20 01:11:36,709 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-07-20 01:11:36,709 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2022-07-20 01:11:36,709 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2022-07-20 01:11:36,710 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2022-07-20 01:11:36,710 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2022-07-20 01:11:36,710 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-20 01:11:36,710 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2022-07-20 01:11:36,710 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2022-07-20 01:11:36,710 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2022-07-20 01:11:36,710 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2022-07-20 01:11:36,710 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-20 01:11:36,710 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-20 01:11:36,711 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_assume_partition_disengaged_uv [2022-07-20 01:11:36,711 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_assume_partition_disengaged_uv [2022-07-20 01:11:36,711 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-07-20 01:11:36,711 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-07-20 01:11:36,711 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_cancel_partition_deactivation_request_uv [2022-07-20 01:11:36,711 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_cancel_partition_deactivation_request_uv [2022-07-20 01:11:37,323 INFO L234 CfgBuilder]: Building ICFG [2022-07-20 01:11:37,327 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-20 01:11:37,753 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-20 01:11:52,128 INFO L275 CfgBuilder]: Performing block encoding [2022-07-20 01:11:52,154 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-20 01:11:52,155 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-20 01:11:52,160 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 01:11:52 BoogieIcfgContainer [2022-07-20 01:11:52,160 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-20 01:11:52,164 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-20 01:11:52,164 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-20 01:11:52,167 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-20 01:11:52,167 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 01:11:33" (1/3) ... [2022-07-20 01:11:52,168 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50d34028 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 01:11:52, skipping insertion in model container [2022-07-20 01:11:52,168 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:11:35" (2/3) ... [2022-07-20 01:11:52,168 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50d34028 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 01:11:52, skipping insertion in model container [2022-07-20 01:11:52,168 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 01:11:52" (3/3) ... [2022-07-20 01:11:52,171 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--misc--sgi-xp--xpc.ko-entry_point.cil.out.i [2022-07-20 01:11:52,184 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-20 01:11:52,185 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-20 01:11:52,260 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-20 01:11:52,265 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@14d37752, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@6ac191ee [2022-07-20 01:11:52,265 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-20 01:11:52,274 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) [2022-07-20 01:11:52,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2022-07-20 01:11:52,287 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 01:11:52,288 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] [2022-07-20 01:11:52,288 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 01:11:52,292 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 01:11:52,292 INFO L85 PathProgramCache]: Analyzing trace with hash -187005460, now seen corresponding path program 1 times [2022-07-20 01:11:52,299 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 01:11:52,299 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [563923830] [2022-07-20 01:11:52,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 01:11:52,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 01:11:52,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:11:52,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 01:11:52,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:11:52,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:11:52,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:11:52,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:11:52,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:11:52,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-20 01:11:52,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:11:52,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:11:52,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:11:52,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:11:52,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:11:52,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-20 01:11:52,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:11:52,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:11:52,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:11:53,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:11:53,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:11:53,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-20 01:11:53,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:11:53,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:11:53,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:11:53,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:11:53,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:11:53,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-20 01:11:53,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:11:53,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:11:53,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:11:53,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-20 01:11:53,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:11:53,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:11:53,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:11:53,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-07-20 01:11:53,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:11:53,110 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2022-07-20 01:11:53,110 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 01:11:53,111 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [563923830] [2022-07-20 01:11:53,111 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [563923830] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 01:11:53,111 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 01:11:53,112 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-20 01:11:53,115 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [854467316] [2022-07-20 01:11:53,116 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 01:11:53,119 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-20 01:11:53,119 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 01:11:53,143 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-20 01:11:53,144 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-20 01:11:53,150 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) [2022-07-20 01:11:55,750 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 [] [2022-07-20 01:12:00,559 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 01:12:03,318 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 01:12:03,318 INFO L93 Difference]: Finished difference Result 6335 states and 9749 transitions. [2022-07-20 01:12:03,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-20 01:12:03,320 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 [2022-07-20 01:12:03,321 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 01:12:03,348 INFO L225 Difference]: With dead ends: 6335 [2022-07-20 01:12:03,348 INFO L226 Difference]: Without dead ends: 3447 [2022-07-20 01:12:03,365 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 [2022-07-20 01:12:03,367 INFO L413 NwaCegarLoop]: 4039 mSDtfsCounter, 2757 mSDsluCounter, 2220 mSDsCounter, 0 mSdLazyCounter, 1671 mSolverCounterSat, 3114 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2832 SdHoareTripleChecker+Valid, 6259 SdHoareTripleChecker+Invalid, 4787 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3114 IncrementalHoareTripleChecker+Valid, 1671 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.8s IncrementalHoareTripleChecker+Time [2022-07-20 01:12:03,368 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2832 Valid, 6259 Invalid, 4787 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3114 Valid, 1671 Invalid, 2 Unknown, 0 Unchecked, 9.8s Time] [2022-07-20 01:12:03,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3447 states. [2022-07-20 01:12:03,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3447 to 2846. [2022-07-20 01:12:03,549 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) [2022-07-20 01:12:03,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2846 states to 2846 states and 4159 transitions. [2022-07-20 01:12:03,572 INFO L78 Accepts]: Start accepts. Automaton has 2846 states and 4159 transitions. Word has length 109 [2022-07-20 01:12:03,573 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 01:12:03,573 INFO L495 AbstractCegarLoop]: Abstraction has 2846 states and 4159 transitions. [2022-07-20 01:12:03,573 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) [2022-07-20 01:12:03,573 INFO L276 IsEmpty]: Start isEmpty. Operand 2846 states and 4159 transitions. [2022-07-20 01:12:03,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2022-07-20 01:12:03,581 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 01:12:03,581 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] [2022-07-20 01:12:03,581 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-20 01:12:03,582 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 01:12:03,582 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 01:12:03,582 INFO L85 PathProgramCache]: Analyzing trace with hash -1739698460, now seen corresponding path program 1 times [2022-07-20 01:12:03,582 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 01:12:03,582 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1002038598] [2022-07-20 01:12:03,583 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 01:12:03,583 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 01:12:03,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:12:03,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 01:12:03,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:12:03,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:12:03,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:12:03,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:12:03,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:12:03,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-20 01:12:03,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:12:03,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:12:03,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:12:03,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:12:03,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:12:03,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-20 01:12:03,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:12:03,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:12:03,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:12:03,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:12:03,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:12:03,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-20 01:12:03,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:12:04,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:12:04,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:12:04,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:12:04,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:12:04,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-20 01:12:04,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:12:04,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:12:04,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:12:04,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-20 01:12:04,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:12:04,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:12:04,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:12:04,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-07-20 01:12:04,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:12:04,087 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2022-07-20 01:12:04,087 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 01:12:04,089 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1002038598] [2022-07-20 01:12:04,090 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1002038598] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 01:12:04,090 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 01:12:04,091 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-20 01:12:04,091 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1752922520] [2022-07-20 01:12:04,091 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 01:12:04,092 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-20 01:12:04,092 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 01:12:04,092 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-20 01:12:04,092 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-20 01:12:04,093 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) [2022-07-20 01:12:07,278 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 [] [2022-07-20 01:12:13,686 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 01:12:19,677 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 01:12:19,677 INFO L93 Difference]: Finished difference Result 6695 states and 10119 transitions. [2022-07-20 01:12:19,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-20 01:12:19,678 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 [2022-07-20 01:12:19,678 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 01:12:19,708 INFO L225 Difference]: With dead ends: 6695 [2022-07-20 01:12:19,708 INFO L226 Difference]: Without dead ends: 3864 [2022-07-20 01:12:19,724 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 [2022-07-20 01:12:19,725 INFO L413 NwaCegarLoop]: 4599 mSDtfsCounter, 2536 mSDsluCounter, 7997 mSDsCounter, 0 mSdLazyCounter, 4053 mSolverCounterSat, 2190 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2752 SdHoareTripleChecker+Valid, 12596 SdHoareTripleChecker+Invalid, 6245 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2190 IncrementalHoareTripleChecker+Valid, 4053 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.1s IncrementalHoareTripleChecker+Time [2022-07-20 01:12:19,725 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2752 Valid, 12596 Invalid, 6245 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2190 Valid, 4053 Invalid, 2 Unknown, 0 Unchecked, 15.1s Time] [2022-07-20 01:12:19,733 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3864 states. [2022-07-20 01:12:19,837 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3864 to 2847. [2022-07-20 01:12:19,843 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) [2022-07-20 01:12:19,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2847 states to 2847 states and 4160 transitions. [2022-07-20 01:12:19,866 INFO L78 Accepts]: Start accepts. Automaton has 2847 states and 4160 transitions. Word has length 109 [2022-07-20 01:12:19,868 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 01:12:19,868 INFO L495 AbstractCegarLoop]: Abstraction has 2847 states and 4160 transitions. [2022-07-20 01:12:19,868 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) [2022-07-20 01:12:19,868 INFO L276 IsEmpty]: Start isEmpty. Operand 2847 states and 4160 transitions. [2022-07-20 01:12:19,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2022-07-20 01:12:19,875 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 01:12:19,876 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] [2022-07-20 01:12:19,876 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-20 01:12:19,876 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 01:12:19,876 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 01:12:19,877 INFO L85 PathProgramCache]: Analyzing trace with hash 1844031708, now seen corresponding path program 1 times [2022-07-20 01:12:19,877 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 01:12:19,877 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [606468159] [2022-07-20 01:12:19,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 01:12:19,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 01:12:20,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:12:20,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 01:12:20,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:12:20,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:12:20,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:12:20,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:12:20,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:12:20,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-20 01:12:20,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:12:20,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:12:20,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:12:20,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:12:20,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:12:20,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-20 01:12:20,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:12:20,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:12:20,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:12:20,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:12:20,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:12:20,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-20 01:12:20,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:12:20,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:12:20,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:12:20,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:12:20,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:12:20,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-20 01:12:20,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:12:20,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:12:20,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:12:20,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-20 01:12:20,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:12:20,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:12:20,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:12:20,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-07-20 01:12:20,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:12:20,292 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2022-07-20 01:12:20,292 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 01:12:20,292 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [606468159] [2022-07-20 01:12:20,292 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [606468159] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 01:12:20,293 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 01:12:20,293 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-20 01:12:20,293 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1605015562] [2022-07-20 01:12:20,293 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 01:12:20,293 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-20 01:12:20,293 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 01:12:20,294 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-20 01:12:20,294 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-20 01:12:20,294 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) [2022-07-20 01:12:24,173 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 [] [2022-07-20 01:12:26,210 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 01:12:29,108 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 01:12:31,142 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 01:12:36,638 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 01:12:39,447 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.81s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 01:12:45,385 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 01:12:45,385 INFO L93 Difference]: Finished difference Result 6859 states and 10398 transitions. [2022-07-20 01:12:45,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-20 01:12:45,386 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 [2022-07-20 01:12:45,386 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 01:12:45,415 INFO L225 Difference]: With dead ends: 6859 [2022-07-20 01:12:45,415 INFO L226 Difference]: Without dead ends: 4027 [2022-07-20 01:12:45,429 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 [2022-07-20 01:12:45,435 INFO L413 NwaCegarLoop]: 4661 mSDtfsCounter, 2371 mSDsluCounter, 8282 mSDsCounter, 0 mSdLazyCounter, 4129 mSolverCounterSat, 2078 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2628 SdHoareTripleChecker+Valid, 12943 SdHoareTripleChecker+Invalid, 6213 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2078 IncrementalHoareTripleChecker+Valid, 4129 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 24.7s IncrementalHoareTripleChecker+Time [2022-07-20 01:12:45,436 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2628 Valid, 12943 Invalid, 6213 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2078 Valid, 4129 Invalid, 6 Unknown, 0 Unchecked, 24.7s Time] [2022-07-20 01:12:45,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4027 states. [2022-07-20 01:12:45,524 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4027 to 2849. [2022-07-20 01:12:45,529 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) [2022-07-20 01:12:45,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2849 states to 2849 states and 4163 transitions. [2022-07-20 01:12:45,541 INFO L78 Accepts]: Start accepts. Automaton has 2849 states and 4163 transitions. Word has length 118 [2022-07-20 01:12:45,542 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 01:12:45,542 INFO L495 AbstractCegarLoop]: Abstraction has 2849 states and 4163 transitions. [2022-07-20 01:12:45,542 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) [2022-07-20 01:12:45,543 INFO L276 IsEmpty]: Start isEmpty. Operand 2849 states and 4163 transitions. [2022-07-20 01:12:45,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2022-07-20 01:12:45,544 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 01:12:45,544 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] [2022-07-20 01:12:45,545 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-20 01:12:45,545 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 01:12:45,545 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 01:12:45,545 INFO L85 PathProgramCache]: Analyzing trace with hash -1770877218, now seen corresponding path program 1 times [2022-07-20 01:12:45,545 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 01:12:45,545 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1667072783] [2022-07-20 01:12:45,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 01:12:45,546 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 01:12:45,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:12:45,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 01:12:45,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:12:45,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:12:45,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:12:45,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:12:45,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:12:45,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-20 01:12:45,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:12:45,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:12:45,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:12:45,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:12:45,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:12:45,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-20 01:12:45,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:12:45,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:12:45,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:12:45,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:12:45,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:12:45,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-20 01:12:45,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:12:45,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:12:45,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:12:45,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:12:45,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:12:45,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-20 01:12:45,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:12:46,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:12:46,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:12:46,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-20 01:12:46,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:12:46,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:12:46,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:12:46,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-07-20 01:12:46,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:12:46,026 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2022-07-20 01:12:46,026 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 01:12:46,027 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1667072783] [2022-07-20 01:12:46,027 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1667072783] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 01:12:46,027 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 01:12:46,027 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-20 01:12:46,027 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1640669213] [2022-07-20 01:12:46,028 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 01:12:46,028 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-20 01:12:46,028 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 01:12:46,028 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-20 01:12:46,028 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-20 01:12:46,029 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) [2022-07-20 01:12:49,428 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 [] [2022-07-20 01:12:51,459 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 01:12:56,992 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 01:12:59,083 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 01:13:08,836 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 01:13:08,836 INFO L93 Difference]: Finished difference Result 6060 states and 9389 transitions. [2022-07-20 01:13:08,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-20 01:13:08,837 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 [2022-07-20 01:13:08,838 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 01:13:08,910 INFO L225 Difference]: With dead ends: 6060 [2022-07-20 01:13:08,910 INFO L226 Difference]: Without dead ends: 6057 [2022-07-20 01:13:08,918 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 [2022-07-20 01:13:08,919 INFO L413 NwaCegarLoop]: 4881 mSDtfsCounter, 6914 mSDsluCounter, 7187 mSDsCounter, 0 mSdLazyCounter, 5132 mSolverCounterSat, 4015 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7299 SdHoareTripleChecker+Valid, 12068 SdHoareTripleChecker+Invalid, 9151 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4015 IncrementalHoareTripleChecker+Valid, 5132 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 22.4s IncrementalHoareTripleChecker+Time [2022-07-20 01:13:08,919 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7299 Valid, 12068 Invalid, 9151 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4015 Valid, 5132 Invalid, 4 Unknown, 0 Unchecked, 22.4s Time] [2022-07-20 01:13:08,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6057 states. [2022-07-20 01:13:09,081 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6057 to 5097. [2022-07-20 01:13:09,099 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) [2022-07-20 01:13:09,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5097 states to 5097 states and 7648 transitions. [2022-07-20 01:13:09,120 INFO L78 Accepts]: Start accepts. Automaton has 5097 states and 7648 transitions. Word has length 118 [2022-07-20 01:13:09,121 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 01:13:09,121 INFO L495 AbstractCegarLoop]: Abstraction has 5097 states and 7648 transitions. [2022-07-20 01:13:09,121 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) [2022-07-20 01:13:09,122 INFO L276 IsEmpty]: Start isEmpty. Operand 5097 states and 7648 transitions. [2022-07-20 01:13:09,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2022-07-20 01:13:09,128 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 01:13:09,128 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] [2022-07-20 01:13:09,129 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-20 01:13:09,129 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 01:13:09,129 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 01:13:09,129 INFO L85 PathProgramCache]: Analyzing trace with hash -1145950047, now seen corresponding path program 1 times [2022-07-20 01:13:09,129 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 01:13:09,130 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1924749812] [2022-07-20 01:13:09,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 01:13:09,130 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 01:13:09,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:13:09,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 01:13:09,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:13:09,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:13:09,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:13:09,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:13:09,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:13:09,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-20 01:13:09,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:13:09,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:13:09,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:13:09,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:13:09,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:13:09,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-20 01:13:09,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:13:09,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:13:09,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:13:09,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:13:09,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:13:09,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-20 01:13:09,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:13:09,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:13:09,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:13:09,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:13:09,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:13:09,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-20 01:13:09,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:13:09,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:13:09,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:13:09,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-20 01:13:09,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:13:09,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:13:09,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:13:09,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-07-20 01:13:09,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:13:09,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:13:09,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:13:09,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-07-20 01:13:09,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:13:09,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:13:09,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:13:09,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-07-20 01:13:09,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:13:09,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-07-20 01:13:09,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:13:09,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-07-20 01:13:09,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:13:09,602 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2022-07-20 01:13:09,602 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 01:13:09,602 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1924749812] [2022-07-20 01:13:09,602 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1924749812] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 01:13:09,602 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 01:13:09,602 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-07-20 01:13:09,603 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1894834442] [2022-07-20 01:13:09,603 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 01:13:09,604 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-20 01:13:09,604 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 01:13:09,604 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-20 01:13:09,604 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2022-07-20 01:13:09,604 INFO L87 Difference]: Start difference. First operand 5097 states and 7648 transitions. Second operand has 9 states, 9 states have (on average 8.555555555555555) internal successors, (77), 5 states have internal predecessors, (77), 3 states have call successors, (24), 6 states have call predecessors, (24), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2022-07-20 01:13:13,752 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 [] [2022-07-20 01:13:20,347 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 01:13:27,285 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 01:13:27,285 INFO L93 Difference]: Finished difference Result 11944 states and 18423 transitions. [2022-07-20 01:13:27,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-07-20 01:13:27,286 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 [2022-07-20 01:13:27,287 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 01:13:27,363 INFO L225 Difference]: With dead ends: 11944 [2022-07-20 01:13:27,363 INFO L226 Difference]: Without dead ends: 6862 [2022-07-20 01:13:27,378 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 [2022-07-20 01:13:27,379 INFO L413 NwaCegarLoop]: 3911 mSDtfsCounter, 16302 mSDsluCounter, 3942 mSDsCounter, 0 mSdLazyCounter, 3389 mSolverCounterSat, 11967 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16857 SdHoareTripleChecker+Valid, 7853 SdHoareTripleChecker+Invalid, 15358 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 11967 IncrementalHoareTripleChecker+Valid, 3389 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.1s IncrementalHoareTripleChecker+Time [2022-07-20 01:13:27,379 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16857 Valid, 7853 Invalid, 15358 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [11967 Valid, 3389 Invalid, 2 Unknown, 0 Unchecked, 17.1s Time] [2022-07-20 01:13:27,385 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6862 states. [2022-07-20 01:13:27,541 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6862 to 5606. [2022-07-20 01:13:27,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5606 states, 3897 states have (on average 1.382345393892738) internal successors, (5387), 4091 states have internal predecessors, (5387), 1352 states have call successors, (1352), 304 states have call predecessors, (1352), 356 states have return successors, (1721), 1323 states have call predecessors, (1721), 1349 states have call successors, (1721) [2022-07-20 01:13:27,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5606 states to 5606 states and 8460 transitions. [2022-07-20 01:13:27,569 INFO L78 Accepts]: Start accepts. Automaton has 5606 states and 8460 transitions. Word has length 166 [2022-07-20 01:13:27,570 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 01:13:27,570 INFO L495 AbstractCegarLoop]: Abstraction has 5606 states and 8460 transitions. [2022-07-20 01:13:27,570 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) [2022-07-20 01:13:27,571 INFO L276 IsEmpty]: Start isEmpty. Operand 5606 states and 8460 transitions. [2022-07-20 01:13:27,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-07-20 01:13:27,575 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 01:13:27,575 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] [2022-07-20 01:13:27,575 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-20 01:13:27,576 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 01:13:27,576 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 01:13:27,576 INFO L85 PathProgramCache]: Analyzing trace with hash 1748416799, now seen corresponding path program 1 times [2022-07-20 01:13:27,576 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 01:13:27,576 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1127809983] [2022-07-20 01:13:27,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 01:13:27,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 01:13:27,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:13:27,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 01:13:27,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:13:27,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:13:27,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:13:27,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:13:27,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:13:27,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-20 01:13:27,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:13:27,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:13:27,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:13:27,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:13:27,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:13:27,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-20 01:13:27,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:13:27,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:13:27,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:13:27,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:13:27,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:13:27,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-20 01:13:27,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:13:27,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:13:27,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:13:27,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:13:27,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:13:27,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-20 01:13:27,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:13:27,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:13:27,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:13:27,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-20 01:13:27,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:13:27,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:13:27,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:13:27,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-20 01:13:27,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:13:27,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:13:27,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:13:27,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-20 01:13:27,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:13:27,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:13:27,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:13:27,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-07-20 01:13:27,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:13:27,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-07-20 01:13:27,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:13:27,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-07-20 01:13:27,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:13:27,908 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2022-07-20 01:13:27,909 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 01:13:27,909 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1127809983] [2022-07-20 01:13:27,909 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1127809983] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 01:13:27,909 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 01:13:27,909 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-07-20 01:13:27,909 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [365328043] [2022-07-20 01:13:27,909 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 01:13:27,910 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-20 01:13:27,910 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 01:13:27,910 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-20 01:13:27,910 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2022-07-20 01:13:27,910 INFO L87 Difference]: Start difference. First operand 5606 states and 8460 transitions. Second operand has 9 states, 9 states have (on average 8.222222222222221) internal successors, (74), 5 states have internal predecessors, (74), 3 states have call successors, (24), 6 states have call predecessors, (24), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2022-07-20 01:13:33,037 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 [] [2022-07-20 01:13:35,069 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 01:13:39,508 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 01:13:41,539 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 01:13:44,941 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 01:13:46,986 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 01:13:55,466 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 01:13:57,554 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 01:14:01,229 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 01:14:08,684 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 01:14:14,877 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 01:14:16,909 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 01:14:23,685 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 01:14:25,782 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 01:14:51,547 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 01:14:51,548 INFO L93 Difference]: Finished difference Result 32343 states and 51641 transitions. [2022-07-20 01:14:51,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-07-20 01:14:51,549 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 [2022-07-20 01:14:51,549 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 01:14:51,707 INFO L225 Difference]: With dead ends: 32343 [2022-07-20 01:14:51,707 INFO L226 Difference]: Without dead ends: 26775 [2022-07-20 01:14:51,746 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 [2022-07-20 01:14:51,747 INFO L413 NwaCegarLoop]: 6465 mSDtfsCounter, 20803 mSDsluCounter, 21350 mSDsCounter, 0 mSdLazyCounter, 29834 mSolverCounterSat, 15928 mSolverCounterUnsat, 14 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 76.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22486 SdHoareTripleChecker+Valid, 27815 SdHoareTripleChecker+Invalid, 45776 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 15928 IncrementalHoareTripleChecker+Valid, 29834 IncrementalHoareTripleChecker+Invalid, 14 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 81.8s IncrementalHoareTripleChecker+Time [2022-07-20 01:14:51,747 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [22486 Valid, 27815 Invalid, 45776 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [15928 Valid, 29834 Invalid, 14 Unknown, 0 Unchecked, 81.8s Time] [2022-07-20 01:14:51,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26775 states. [2022-07-20 01:14:52,640 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26775 to 22741. [2022-07-20 01:14:52,674 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) [2022-07-20 01:14:52,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22741 states to 22741 states and 35595 transitions. [2022-07-20 01:14:52,812 INFO L78 Accepts]: Start accepts. Automaton has 22741 states and 35595 transitions. Word has length 163 [2022-07-20 01:14:52,813 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 01:14:52,813 INFO L495 AbstractCegarLoop]: Abstraction has 22741 states and 35595 transitions. [2022-07-20 01:14:52,813 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) [2022-07-20 01:14:52,813 INFO L276 IsEmpty]: Start isEmpty. Operand 22741 states and 35595 transitions. [2022-07-20 01:14:52,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2022-07-20 01:14:52,824 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 01:14:52,824 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] [2022-07-20 01:14:52,824 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-07-20 01:14:52,824 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 01:14:52,825 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 01:14:52,825 INFO L85 PathProgramCache]: Analyzing trace with hash -695665982, now seen corresponding path program 1 times [2022-07-20 01:14:52,825 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 01:14:52,825 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [165279781] [2022-07-20 01:14:52,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 01:14:52,825 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 01:14:52,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:14:53,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 01:14:53,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:14:53,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:14:53,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:14:53,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:14:53,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:14:53,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-20 01:14:53,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:14:53,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:14:53,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:14:53,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:14:53,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:14:53,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-20 01:14:53,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:14:53,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:14:53,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:14:53,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:14:53,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:14:53,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-20 01:14:53,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:14:53,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:14:53,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:14:53,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:14:53,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:14:53,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-20 01:14:53,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:14:53,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:14:53,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:14:53,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-20 01:14:53,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:14:53,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:14:53,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:14:53,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-20 01:14:53,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:14:53,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-07-20 01:14:53,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:14:53,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-07-20 01:14:53,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:14:53,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-20 01:14:53,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:14:53,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-20 01:14:53,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:14:53,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:14:53,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:14:53,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2022-07-20 01:14:53,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:14:53,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:14:53,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:14:53,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-20 01:14:53,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:14:53,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:14:53,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:14:53,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2022-07-20 01:14:53,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:14:53,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-07-20 01:14:53,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:14:53,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2022-07-20 01:14:53,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:14:53,220 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2022-07-20 01:14:53,221 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 01:14:53,221 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [165279781] [2022-07-20 01:14:53,221 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [165279781] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 01:14:53,221 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 01:14:53,221 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-20 01:14:53,221 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2116124967] [2022-07-20 01:14:53,221 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 01:14:53,222 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-20 01:14:53,222 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 01:14:53,222 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-20 01:14:53,222 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-07-20 01:14:53,222 INFO L87 Difference]: Start difference. First operand 22741 states and 35595 transitions. Second operand has 7 states, 7 states have (on average 14.428571428571429) internal successors, (101), 3 states have internal predecessors, (101), 2 states have call successors, (32), 6 states have call predecessors, (32), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-07-20 01:14:55,834 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 01:14:58,768 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 01:15:00,819 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 01:15:02,859 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 01:15:12,929 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 01:15:15,954 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 01:15:18,052 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 01:15:39,198 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 01:15:39,198 INFO L93 Difference]: Finished difference Result 75927 states and 121501 transitions. [2022-07-20 01:15:39,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-07-20 01:15:39,199 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 [2022-07-20 01:15:39,199 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 01:15:39,467 INFO L225 Difference]: With dead ends: 75927 [2022-07-20 01:15:39,467 INFO L226 Difference]: Without dead ends: 53224 [2022-07-20 01:15:39,545 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 [2022-07-20 01:15:39,546 INFO L413 NwaCegarLoop]: 4488 mSDtfsCounter, 11352 mSDsluCounter, 10491 mSDsCounter, 0 mSdLazyCounter, 11926 mSolverCounterSat, 9248 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 40.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12147 SdHoareTripleChecker+Valid, 14979 SdHoareTripleChecker+Invalid, 21180 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 9248 IncrementalHoareTripleChecker+Valid, 11926 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 43.4s IncrementalHoareTripleChecker+Time [2022-07-20 01:15:39,546 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12147 Valid, 14979 Invalid, 21180 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [9248 Valid, 11926 Invalid, 6 Unknown, 0 Unchecked, 43.4s Time] [2022-07-20 01:15:39,587 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53224 states. [2022-07-20 01:15:41,388 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53224 to 45289. [2022-07-20 01:15:41,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45289 states, 31489 states have (on average 1.3838483279875513) internal successors, (43576), 33139 states have internal predecessors, (43576), 10890 states have call successors, (10890), 2338 states have call predecessors, (10890), 2909 states have return successors, (16411), 10697 states have call predecessors, (16411), 10873 states have call successors, (16411) [2022-07-20 01:15:41,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45289 states to 45289 states and 70877 transitions. [2022-07-20 01:15:41,766 INFO L78 Accepts]: Start accepts. Automaton has 45289 states and 70877 transitions. Word has length 206 [2022-07-20 01:15:41,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 01:15:41,766 INFO L495 AbstractCegarLoop]: Abstraction has 45289 states and 70877 transitions. [2022-07-20 01:15:41,766 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) [2022-07-20 01:15:41,767 INFO L276 IsEmpty]: Start isEmpty. Operand 45289 states and 70877 transitions. [2022-07-20 01:15:41,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2022-07-20 01:15:41,779 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 01:15:41,779 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] [2022-07-20 01:15:41,780 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-07-20 01:15:41,780 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 01:15:41,780 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 01:15:41,780 INFO L85 PathProgramCache]: Analyzing trace with hash -1323120618, now seen corresponding path program 1 times [2022-07-20 01:15:41,780 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 01:15:41,781 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [406809134] [2022-07-20 01:15:41,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 01:15:41,781 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 01:15:41,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:15:42,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 01:15:42,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:15:42,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:15:42,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:15:42,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:15:42,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:15:42,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-20 01:15:42,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:15:42,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:15:42,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:15:42,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:15:42,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:15:42,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-20 01:15:42,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:15:42,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:15:42,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:15:42,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:15:42,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:15:42,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-20 01:15:42,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:15:42,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:15:42,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:15:42,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 01:15:42,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:15:42,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-20 01:15:42,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:15:42,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:15:42,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:15:42,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-20 01:15:42,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:15:42,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:15:42,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:15:42,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-20 01:15:42,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:15:42,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-20 01:15:42,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:15:42,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-07-20 01:15:42,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:15:42,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-07-20 01:15:42,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:15:42,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-07-20 01:15:42,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:15:42,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:15:42,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:15:42,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-07-20 01:15:42,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:15:42,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:15:42,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:15:42,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-07-20 01:15:42,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:15:42,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 01:15:42,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:15:42,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-20 01:15:42,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:15:42,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-07-20 01:15:42,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:15:42,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-20 01:15:42,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 01:15:42,183 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2022-07-20 01:15:42,184 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 01:15:42,184 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [406809134] [2022-07-20 01:15:42,184 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [406809134] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 01:15:42,184 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 01:15:42,184 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-20 01:15:42,184 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1419037304] [2022-07-20 01:15:42,184 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 01:15:42,185 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-20 01:15:42,185 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 01:15:42,185 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-20 01:15:42,185 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-07-20 01:15:42,186 INFO L87 Difference]: Start difference. First operand 45289 states and 70877 transitions. Second operand has 7 states, 7 states have (on average 13.857142857142858) internal successors, (97), 3 states have internal predecessors, (97), 2 states have call successors, (32), 6 states have call predecessors, (32), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-07-20 01:15:48,226 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 01:15:50,265 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 01:15:52,310 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 []