./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 f4b24e32 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-?-f4b24e3 [2022-07-14 01:49:45,197 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-14 01:49:45,199 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-14 01:49:45,227 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-14 01:49:45,228 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-14 01:49:45,229 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-14 01:49:45,231 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-14 01:49:45,236 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-14 01:49:45,238 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-14 01:49:45,242 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-14 01:49:45,243 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-14 01:49:45,245 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-14 01:49:45,245 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-14 01:49:45,247 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-14 01:49:45,248 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-14 01:49:45,249 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-14 01:49:45,250 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-14 01:49:45,251 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-14 01:49:45,254 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-14 01:49:45,259 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-14 01:49:45,261 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-14 01:49:45,262 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-14 01:49:45,263 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-14 01:49:45,264 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-14 01:49:45,265 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-14 01:49:45,271 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-14 01:49:45,272 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-14 01:49:45,272 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-14 01:49:45,274 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-14 01:49:45,274 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-14 01:49:45,275 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-14 01:49:45,275 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-14 01:49:45,277 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-14 01:49:45,278 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-14 01:49:45,278 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-14 01:49:45,279 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-14 01:49:45,280 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-14 01:49:45,281 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-14 01:49:45,281 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-14 01:49:45,281 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-14 01:49:45,282 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-14 01:49:45,283 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-14 01:49:45,285 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-14 01:49:45,318 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-14 01:49:45,319 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-14 01:49:45,319 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-14 01:49:45,319 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-14 01:49:45,320 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-14 01:49:45,320 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-14 01:49:45,321 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-14 01:49:45,321 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-14 01:49:45,321 INFO L138 SettingsManager]: * Use SBE=true [2022-07-14 01:49:45,322 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-14 01:49:45,322 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-14 01:49:45,322 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-14 01:49:45,322 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-14 01:49:45,323 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-14 01:49:45,323 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-14 01:49:45,323 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-14 01:49:45,323 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-14 01:49:45,323 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-14 01:49:45,324 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-14 01:49:45,324 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-14 01:49:45,324 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-14 01:49:45,324 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-14 01:49:45,324 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-14 01:49:45,325 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-14 01:49:45,325 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-14 01:49:45,325 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-14 01:49:45,325 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-14 01:49:45,325 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-14 01:49:45,333 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-14 01:49:45,334 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-14 01:49:45,334 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 34bfb407ab3285beb6e4618a31251a3cfac86b629af8c3915889881b8af28c9e [2022-07-14 01:49:45,581 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-14 01:49:45,606 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-14 01:49:45,610 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-14 01:49:45,611 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-14 01:49:45,611 INFO L275 PluginConnector]: CDTParser initialized [2022-07-14 01:49:45,612 INFO L432 ainManager$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 [2022-07-14 01:49:45,672 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/814553858/fcacc6f2b7fc46a3812c65bb819f7d9d/FLAGc9a82e6d3 [2022-07-14 01:49:46,558 INFO L306 CDTParser]: Found 1 translation units. [2022-07-14 01:49:46,559 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 [2022-07-14 01:49:46,603 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/814553858/fcacc6f2b7fc46a3812c65bb819f7d9d/FLAGc9a82e6d3 [2022-07-14 01:49:46,645 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/814553858/fcacc6f2b7fc46a3812c65bb819f7d9d [2022-07-14 01:49:46,647 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-14 01:49:46,648 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-14 01:49:46,650 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-14 01:49:46,651 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-14 01:49:46,653 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-14 01:49:46,654 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 01:49:46" (1/1) ... [2022-07-14 01:49:46,655 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@37746271 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 01:49:46, skipping insertion in model container [2022-07-14 01:49:46,655 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 01:49:46" (1/1) ... [2022-07-14 01:49:46,662 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-14 01:49:46,805 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-14 01:49:48,820 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] [2022-07-14 01:49:48,892 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 01:49:48,955 INFO L203 MainTranslator]: Completed pre-run [2022-07-14 01:49:49,306 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] [2022-07-14 01:49:49,316 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 01:49:49,451 INFO L208 MainTranslator]: Completed translation [2022-07-14 01:49:49,453 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 01:49:49 WrapperNode [2022-07-14 01:49:49,455 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-14 01:49:49,456 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-14 01:49:49,457 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-14 01:49:49,457 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-14 01:49:49,464 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 01:49:49" (1/1) ... [2022-07-14 01:49:49,576 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 01:49:49" (1/1) ... [2022-07-14 01:49:49,795 INFO L137 Inliner]: procedures = 334, calls = 3839, calls flagged for inlining = 113, calls inlined = 106, statements flattened = 6922 [2022-07-14 01:49:49,812 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-14 01:49:49,814 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-14 01:49:49,815 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-14 01:49:49,815 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-14 01:49:49,822 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 01:49:49" (1/1) ... [2022-07-14 01:49:49,823 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 01:49:49" (1/1) ... [2022-07-14 01:49:49,897 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 01:49:49" (1/1) ... [2022-07-14 01:49:49,898 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 01:49:49" (1/1) ... [2022-07-14 01:49:50,139 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 01:49:49" (1/1) ... [2022-07-14 01:49:50,171 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 01:49:49" (1/1) ... [2022-07-14 01:49:50,248 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 01:49:49" (1/1) ... [2022-07-14 01:49:50,333 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-14 01:49:50,334 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-14 01:49:50,334 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-14 01:49:50,334 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-14 01:49:50,360 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 01:49:49" (1/1) ... [2022-07-14 01:49:50,368 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-14 01:49:50,376 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 01:49:50,397 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) [2022-07-14 01:49:50,420 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 [2022-07-14 01:49:50,443 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_setup_msg_structures_uv [2022-07-14 01:49:50,443 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_setup_msg_structures_uv [2022-07-14 01:49:50,444 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-07-14 01:49:50,444 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-07-14 01:49:50,444 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_heartbeat_init_uv [2022-07-14 01:49:50,444 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_heartbeat_init_uv [2022-07-14 01:49:50,444 INFO L130 BoogieDeclarations]: Found specification of procedure __cmpxchg_wrong_size [2022-07-14 01:49:50,444 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_allow_hb_uv [2022-07-14 01:49:50,444 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_allow_hb_uv [2022-07-14 01:49:50,445 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_teardown_partitions_uv [2022-07-14 01:49:50,445 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_teardown_partitions_uv [2022-07-14 01:49:50,445 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_kthread_waitmsgs [2022-07-14 01:49:50,445 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_kthread_waitmsgs [2022-07-14 01:49:50,445 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_send_chctl_opencomplete_uv [2022-07-14 01:49:50,445 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_send_chctl_opencomplete_uv [2022-07-14 01:49:50,446 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-14 01:49:50,446 INFO L130 BoogieDeclarations]: Found specification of procedure wake_up_process [2022-07-14 01:49:50,446 INFO L138 BoogieDeclarations]: Found implementation of procedure wake_up_process [2022-07-14 01:49:50,446 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-14 01:49:50,446 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-14 01:49:50,446 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-14 01:49:50,446 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-14 01:49:50,447 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-14 01:49:50,447 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_teardown_msg_structures_uv [2022-07-14 01:49:50,447 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_teardown_msg_structures_uv [2022-07-14 01:49:50,447 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_teardown_rsvd_page [2022-07-14 01:49:50,447 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_teardown_rsvd_page [2022-07-14 01:49:50,447 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_partition_disengaged [2022-07-14 01:49:50,448 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_partition_disengaged [2022-07-14 01:49:50,448 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_wakeup_channel_mgr [2022-07-14 01:49:50,448 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_wakeup_channel_mgr [2022-07-14 01:49:50,448 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2022-07-14 01:49:50,448 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2022-07-14 01:49:50,449 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-07-14 01:49:50,449 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-07-14 01:49:50,449 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2022-07-14 01:49:50,449 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2022-07-14 01:49:50,449 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_sub_return [2022-07-14 01:49:50,449 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_sub_return [2022-07-14 01:49:50,449 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-14 01:49:50,450 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-14 01:49:50,450 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_kmalloc_cacheline_aligned [2022-07-14 01:49:50,450 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_kmalloc_cacheline_aligned [2022-07-14 01:49:50,450 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_setup_partitions_uv [2022-07-14 01:49:50,451 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_setup_partitions_uv [2022-07-14 01:49:50,451 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_offline_heartbeat_uv [2022-07-14 01:49:50,451 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_offline_heartbeat_uv [2022-07-14 01:49:50,451 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_release_gru_mq_irq_uv [2022-07-14 01:49:50,451 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_release_gru_mq_irq_uv [2022-07-14 01:49:50,451 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~X~int~TO~int [2022-07-14 01:49:50,452 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~X~int~TO~int [2022-07-14 01:49:50,452 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2022-07-14 01:49:50,452 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_notify_sender_uv [2022-07-14 01:49:50,453 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_notify_sender_uv [2022-07-14 01:49:50,453 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_die_deactivate [2022-07-14 01:49:50,453 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_die_deactivate [2022-07-14 01:49:50,453 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_process_connect [2022-07-14 01:49:50,454 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_process_connect [2022-07-14 01:49:50,454 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-07-14 01:49:50,455 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-07-14 01:49:50,455 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2022-07-14 01:49:50,455 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2022-07-14 01:49:50,455 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_die_notifier [2022-07-14 01:49:50,456 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_die_notifier [2022-07-14 01:49:50,456 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_check_remote_hb [2022-07-14 01:49:50,456 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_check_remote_hb [2022-07-14 01:49:50,456 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-07-14 01:49:50,456 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-07-14 01:49:50,456 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-07-14 01:49:50,457 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-07-14 01:49:50,457 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_init_fifo_uv [2022-07-14 01:49:50,457 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_init_fifo_uv [2022-07-14 01:49:50,457 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_msgqueue_ref [2022-07-14 01:49:50,458 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_msgqueue_ref [2022-07-14 01:49:50,458 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_received_payload_uv [2022-07-14 01:49:50,458 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_received_payload_uv [2022-07-14 01:49:50,458 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-07-14 01:49:50,458 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-07-14 01:49:50,458 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-14 01:49:50,459 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-14 01:49:50,459 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_kthread_start [2022-07-14 01:49:50,459 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_kthread_start [2022-07-14 01:49:50,459 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-07-14 01:49:50,459 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-07-14 01:49:50,459 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_part_ref [2022-07-14 01:49:50,460 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_part_ref [2022-07-14 01:49:50,460 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_create_kthreads [2022-07-14 01:49:50,460 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_create_kthreads [2022-07-14 01:49:50,460 INFO L130 BoogieDeclarations]: Found specification of procedure msleep_interruptible [2022-07-14 01:49:50,460 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep_interruptible [2022-07-14 01:49:50,461 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_send_local_activate_IRQ_uv [2022-07-14 01:49:50,461 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_send_local_activate_IRQ_uv [2022-07-14 01:49:50,461 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_exit_uv [2022-07-14 01:49:50,461 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_exit_uv [2022-07-14 01:49:50,462 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-07-14 01:49:50,462 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-07-14 01:49:50,462 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_put_fifo_entry_uv [2022-07-14 01:49:50,462 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_put_fifo_entry_uv [2022-07-14 01:49:50,463 INFO L130 BoogieDeclarations]: Found specification of procedure uv_blade_to_pnode [2022-07-14 01:49:50,463 INFO L138 BoogieDeclarations]: Found implementation of procedure uv_blade_to_pnode [2022-07-14 01:49:50,463 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_process_activate_IRQ_rcvd_uv [2022-07-14 01:49:50,463 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_process_activate_IRQ_rcvd_uv [2022-07-14 01:49:50,464 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_send_activate_IRQ_uv [2022-07-14 01:49:50,464 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_send_activate_IRQ_uv [2022-07-14 01:49:50,464 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_send_payload_uv [2022-07-14 01:49:50,464 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_send_payload_uv [2022-07-14 01:49:50,464 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_free_msg_slot_uv [2022-07-14 01:49:50,464 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_free_msg_slot_uv [2022-07-14 01:49:50,465 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-14 01:49:50,465 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-07-14 01:49:50,465 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-07-14 01:49:50,465 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_indicate_partition_engaged_uv [2022-07-14 01:49:50,465 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_indicate_partition_engaged_uv [2022-07-14 01:49:50,465 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_process_openclose_chctl_flags [2022-07-14 01:49:50,466 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_process_openclose_chctl_flags [2022-07-14 01:49:50,466 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-14 01:49:50,466 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_process_msg_chctl_flags_uv [2022-07-14 01:49:50,466 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_process_msg_chctl_flags_uv [2022-07-14 01:49:50,467 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2022-07-14 01:49:50,469 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2022-07-14 01:49:50,469 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2022-07-14 01:49:50,469 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_msgqueue_deref [2022-07-14 01:49:50,470 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_msgqueue_deref [2022-07-14 01:49:50,471 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2022-07-14 01:49:50,471 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2022-07-14 01:49:50,472 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-14 01:49:50,472 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-14 01:49:50,472 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_send_chctl_closereply_uv [2022-07-14 01:49:50,477 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_send_chctl_closereply_uv [2022-07-14 01:49:50,477 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-07-14 01:49:50,478 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-07-14 01:49:50,478 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_connect_channel [2022-07-14 01:49:50,478 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_connect_channel [2022-07-14 01:49:50,478 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_cache_remote_gru_mq_desc_uv [2022-07-14 01:49:50,478 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_cache_remote_gru_mq_desc_uv [2022-07-14 01:49:50,478 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_teardown_ch_structures_uv [2022-07-14 01:49:50,478 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_teardown_ch_structures_uv [2022-07-14 01:49:50,479 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~int [2022-07-14 01:49:50,479 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~int [2022-07-14 01:49:50,479 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-14 01:49:50,479 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_request_partition_activation_uv [2022-07-14 01:49:50,479 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_request_partition_activation_uv [2022-07-14 01:49:50,479 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_activating [2022-07-14 01:49:50,479 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_activating [2022-07-14 01:49:50,479 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-14 01:49:50,480 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_disconnect_callout [2022-07-14 01:49:50,480 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_disconnect_callout [2022-07-14 01:49:50,480 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_deactivate_partition [2022-07-14 01:49:50,480 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_deactivate_partition [2022-07-14 01:49:50,480 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_indicate_partition_disengaged_uv [2022-07-14 01:49:50,480 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_indicate_partition_disengaged_uv [2022-07-14 01:49:50,480 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_disconnect_channel [2022-07-14 01:49:50,481 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_disconnect_channel [2022-07-14 01:49:50,481 INFO L130 BoogieDeclarations]: Found specification of procedure find_next_bit [2022-07-14 01:49:50,481 INFO L138 BoogieDeclarations]: Found implementation of procedure find_next_bit [2022-07-14 01:49:50,481 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~~TO~int [2022-07-14 01:49:50,481 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~~TO~int [2022-07-14 01:49:50,481 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-07-14 01:49:50,481 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-07-14 01:49:50,482 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_channel_mgr [2022-07-14 01:49:50,482 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_channel_mgr [2022-07-14 01:49:50,482 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_save_remote_msgqueue_pa_uv [2022-07-14 01:49:50,482 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_save_remote_msgqueue_pa_uv [2022-07-14 01:49:50,482 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_send_chctl_openrequest_uv [2022-07-14 01:49:50,482 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_send_chctl_openrequest_uv [2022-07-14 01:49:50,482 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_heartbeat_exit_uv [2022-07-14 01:49:50,482 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_heartbeat_exit_uv [2022-07-14 01:49:50,483 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-07-14 01:49:50,483 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-07-14 01:49:50,483 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_setup_ch_structures [2022-07-14 01:49:50,483 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_setup_ch_structures [2022-07-14 01:49:50,483 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-07-14 01:49:50,483 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-07-14 01:49:50,483 INFO L130 BoogieDeclarations]: Found specification of procedure free_pages [2022-07-14 01:49:50,484 INFO L138 BoogieDeclarations]: Found implementation of procedure free_pages [2022-07-14 01:49:50,484 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_any_partition_engaged_uv [2022-07-14 01:49:50,484 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_any_partition_engaged_uv [2022-07-14 01:49:50,484 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2022-07-14 01:49:50,484 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2022-07-14 01:49:50,484 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2022-07-14 01:49:50,484 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2022-07-14 01:49:50,484 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-07-14 01:49:50,485 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_get_rsvd_page_pa [2022-07-14 01:49:50,485 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_get_rsvd_page_pa [2022-07-14 01:49:50,485 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_activate_partition [2022-07-14 01:49:50,485 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_activate_partition [2022-07-14 01:49:50,485 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_send_activate_IRQ_part_uv [2022-07-14 01:49:50,485 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_send_activate_IRQ_part_uv [2022-07-14 01:49:50,485 INFO L130 BoogieDeclarations]: Found specification of procedure uv_cpu_to_blade_id [2022-07-14 01:49:50,486 INFO L138 BoogieDeclarations]: Found implementation of procedure uv_cpu_to_blade_id [2022-07-14 01:49:50,486 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_initiate_discovery [2022-07-14 01:49:50,486 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_initiate_discovery [2022-07-14 01:49:50,486 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-07-14 01:49:50,486 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-07-14 01:49:50,486 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_request_partition_reactivation_uv [2022-07-14 01:49:50,486 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_request_partition_reactivation_uv [2022-07-14 01:49:50,487 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-07-14 01:49:50,487 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_activate_kthreads [2022-07-14 01:49:50,487 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_activate_kthreads [2022-07-14 01:49:50,487 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-14 01:49:50,487 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_partition_engaged_uv [2022-07-14 01:49:50,487 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_partition_engaged_uv [2022-07-14 01:49:50,487 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2022-07-14 01:49:50,487 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2022-07-14 01:49:50,488 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_send_gru_msg [2022-07-14 01:49:50,488 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_send_gru_msg [2022-07-14 01:49:50,488 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-14 01:49:50,488 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-14 01:49:50,488 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_create_gru_mq_uv [2022-07-14 01:49:50,488 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_create_gru_mq_uv [2022-07-14 01:49:50,488 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_reboot_notifier [2022-07-14 01:49:50,489 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_reboot_notifier [2022-07-14 01:49:50,489 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_part_deref [2022-07-14 01:49:50,489 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_part_deref [2022-07-14 01:49:50,489 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_send_chctl_closerequest_uv [2022-07-14 01:49:50,489 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_send_chctl_closerequest_uv [2022-07-14 01:49:50,489 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_disallow_all_hbs_uv [2022-07-14 01:49:50,489 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_disallow_all_hbs_uv [2022-07-14 01:49:50,489 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_timeout_partition_disengage [2022-07-14 01:49:50,490 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_timeout_partition_disengage [2022-07-14 01:49:50,490 INFO L130 BoogieDeclarations]: Found specification of procedure cpumask_of_node [2022-07-14 01:49:50,490 INFO L138 BoogieDeclarations]: Found implementation of procedure cpumask_of_node [2022-07-14 01:49:50,490 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_init_mq_node [2022-07-14 01:49:50,490 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_init_mq_node [2022-07-14 01:49:50,490 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_destroy_gru_mq_uv [2022-07-14 01:49:50,490 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_destroy_gru_mq_uv [2022-07-14 01:49:50,491 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_discovery [2022-07-14 01:49:50,491 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_discovery [2022-07-14 01:49:50,491 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_get_partition_rsvd_page_pa_uv [2022-07-14 01:49:50,491 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_get_partition_rsvd_page_pa_uv [2022-07-14 01:49:50,491 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait_event [2022-07-14 01:49:50,491 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait_event [2022-07-14 01:49:50,491 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-14 01:49:50,492 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-14 01:49:50,492 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_send_activate_IRQ_ch_uv [2022-07-14 01:49:50,492 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_send_activate_IRQ_ch_uv [2022-07-14 01:49:50,492 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_increment_heartbeat_uv [2022-07-14 01:49:50,492 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_increment_heartbeat_uv [2022-07-14 01:49:50,492 INFO L130 BoogieDeclarations]: Found specification of procedure put_online_cpus [2022-07-14 01:49:50,492 INFO L138 BoogieDeclarations]: Found implementation of procedure put_online_cpus [2022-07-14 01:49:50,492 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-14 01:49:50,493 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_process_sent_chctl_flags [2022-07-14 01:49:50,493 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_process_sent_chctl_flags [2022-07-14 01:49:50,493 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_get_remote_heartbeat_uv [2022-07-14 01:49:50,493 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_get_remote_heartbeat_uv [2022-07-14 01:49:50,494 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-14 01:49:50,497 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-14 01:49:50,497 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_teardown_partitions [2022-07-14 01:49:50,497 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_teardown_partitions [2022-07-14 01:49:50,497 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_process_disconnect [2022-07-14 01:49:50,497 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_process_disconnect [2022-07-14 01:49:50,497 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_do_exit [2022-07-14 01:49:50,498 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_do_exit [2022-07-14 01:49:50,498 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-07-14 01:49:50,498 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-07-14 01:49:50,499 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_online_heartbeat_uv [2022-07-14 01:49:50,499 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_online_heartbeat_uv [2022-07-14 01:49:50,499 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_get_fifo_entry_uv [2022-07-14 01:49:50,499 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_get_fifo_entry_uv [2022-07-14 01:49:50,499 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_disallow_hb_uv [2022-07-14 01:49:50,500 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_disallow_hb_uv [2022-07-14 01:49:50,500 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-14 01:49:50,500 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_send_chctl_openreply_uv [2022-07-14 01:49:50,500 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_send_chctl_openreply_uv [2022-07-14 01:49:50,500 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_1 [2022-07-14 01:49:50,500 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_1 [2022-07-14 01:49:50,500 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_hb_checker [2022-07-14 01:49:50,500 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_hb_checker [2022-07-14 01:49:50,501 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~~TO~VOID [2022-07-14 01:49:50,501 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~~TO~VOID [2022-07-14 01:49:50,501 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-07-14 01:49:50,501 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-07-14 01:49:50,501 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2022-07-14 01:49:50,501 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2022-07-14 01:49:50,501 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_setup_ch_structures_uv [2022-07-14 01:49:50,501 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_setup_ch_structures_uv [2022-07-14 01:49:50,502 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_setup_rsvd_page_uv [2022-07-14 01:49:50,502 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_setup_rsvd_page_uv [2022-07-14 01:49:50,502 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-14 01:49:50,502 INFO L130 BoogieDeclarations]: Found specification of procedure cpumask_next [2022-07-14 01:49:50,502 INFO L138 BoogieDeclarations]: Found implementation of procedure cpumask_next [2022-07-14 01:49:50,502 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2022-07-14 01:49:50,502 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2022-07-14 01:49:50,502 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_request_partition_deactivation_uv [2022-07-14 01:49:50,503 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_request_partition_deactivation_uv [2022-07-14 01:49:50,503 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_get_chctl_all_flags_uv [2022-07-14 01:49:50,503 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_get_chctl_all_flags_uv [2022-07-14 01:49:50,503 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_gru_mq_watchlist_free_uv [2022-07-14 01:49:50,503 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_gru_mq_watchlist_free_uv [2022-07-14 01:49:50,503 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_partition_going_down [2022-07-14 01:49:50,503 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_partition_going_down [2022-07-14 01:49:50,504 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion [2022-07-14 01:49:50,504 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion [2022-07-14 01:49:50,504 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-14 01:49:50,504 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-07-14 01:49:50,504 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_1 [2022-07-14 01:49:50,504 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_1 [2022-07-14 01:49:50,504 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-07-14 01:49:50,504 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-07-14 01:49:50,505 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-07-14 01:49:50,505 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-07-14 01:49:50,505 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2022-07-14 01:49:50,505 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2022-07-14 01:49:50,505 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2022-07-14 01:49:50,505 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2022-07-14 01:49:50,505 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_sysctl_table [2022-07-14 01:49:50,505 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_sysctl_table [2022-07-14 01:49:50,506 INFO L130 BoogieDeclarations]: Found specification of procedure uv_gpa [2022-07-14 01:49:50,506 INFO L138 BoogieDeclarations]: Found implementation of procedure uv_gpa [2022-07-14 01:49:50,506 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2022-07-14 01:49:50,506 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2022-07-14 01:49:50,506 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~X~int~X~$Pointer$~X~$Pointer$~TO~VOID [2022-07-14 01:49:50,506 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~X~int~X~$Pointer$~X~$Pointer$~TO~VOID [2022-07-14 01:49:50,506 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_get_deliverable_payload_uv [2022-07-14 01:49:50,506 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_get_deliverable_payload_uv [2022-07-14 01:49:50,507 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_notify_senders_of_disconnect_uv [2022-07-14 01:49:50,507 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_notify_senders_of_disconnect_uv [2022-07-14 01:49:50,507 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_add_return [2022-07-14 01:49:50,507 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_add_return [2022-07-14 01:49:50,507 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_make_first_contact_uv [2022-07-14 01:49:50,507 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_make_first_contact_uv [2022-07-14 01:49:50,507 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_n_of_deliverable_payloads_uv [2022-07-14 01:49:50,508 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_n_of_deliverable_payloads_uv [2022-07-14 01:49:50,508 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_get_remote_rp [2022-07-14 01:49:50,508 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_get_remote_rp [2022-07-14 01:49:50,508 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_hb_beater [2022-07-14 01:49:50,508 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_hb_beater [2022-07-14 01:49:50,508 INFO L130 BoogieDeclarations]: Found specification of procedure is_uv_system [2022-07-14 01:49:50,508 INFO L138 BoogieDeclarations]: Found implementation of procedure is_uv_system [2022-07-14 01:49:50,508 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-07-14 01:49:50,509 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-07-14 01:49:50,509 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2022-07-14 01:49:50,509 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2022-07-14 01:49:50,509 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2022-07-14 01:49:50,509 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2022-07-14 01:49:50,509 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-14 01:49:50,509 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2022-07-14 01:49:50,509 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2022-07-14 01:49:50,510 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2022-07-14 01:49:50,510 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2022-07-14 01:49:50,510 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-14 01:49:50,510 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-14 01:49:50,510 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_assume_partition_disengaged_uv [2022-07-14 01:49:50,510 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_assume_partition_disengaged_uv [2022-07-14 01:49:50,510 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-07-14 01:49:50,510 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-07-14 01:49:50,511 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_cancel_partition_deactivation_request_uv [2022-07-14 01:49:50,511 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_cancel_partition_deactivation_request_uv [2022-07-14 01:49:51,500 INFO L234 CfgBuilder]: Building ICFG [2022-07-14 01:49:51,503 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-14 01:49:51,969 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-14 01:50:09,211 INFO L275 CfgBuilder]: Performing block encoding [2022-07-14 01:50:09,246 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-14 01:50:09,246 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-14 01:50:09,252 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 01:50:09 BoogieIcfgContainer [2022-07-14 01:50:09,256 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-14 01:50:09,258 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-14 01:50:09,258 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-14 01:50:09,262 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-14 01:50:09,262 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.07 01:49:46" (1/3) ... [2022-07-14 01:50:09,262 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6676334a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 01:50:09, skipping insertion in model container [2022-07-14 01:50:09,263 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 01:49:49" (2/3) ... [2022-07-14 01:50:09,263 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6676334a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 01:50:09, skipping insertion in model container [2022-07-14 01:50:09,263 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 01:50:09" (3/3) ... [2022-07-14 01:50:09,266 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--misc--sgi-xp--xpc.ko-entry_point.cil.out.i [2022-07-14 01:50:09,280 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-14 01:50:09,281 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-14 01:50:09,402 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-14 01:50:09,409 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@5ec21861, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@1529b1d3 [2022-07-14 01:50:09,410 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-14 01:50:09,423 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) [2022-07-14 01:50:09,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2022-07-14 01:50:09,455 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 01:50:09,456 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] [2022-07-14 01:50:09,457 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 01:50:09,463 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 01:50:09,463 INFO L85 PathProgramCache]: Analyzing trace with hash -187005460, now seen corresponding path program 1 times [2022-07-14 01:50:09,471 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 01:50:09,473 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [134684220] [2022-07-14 01:50:09,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 01:50:09,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 01:50:09,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:50:10,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 01:50:10,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:50:10,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:50:10,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:50:10,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:50:10,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:50:10,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-14 01:50:10,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:50:10,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:50:10,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:50:10,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:50:10,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:50:10,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-14 01:50:10,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:50:10,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:50:10,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:50:10,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:50:10,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:50:10,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-14 01:50:10,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:50:10,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:50:10,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:50:10,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:50:10,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:50:10,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-14 01:50:10,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:50:10,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:50:10,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:50:10,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-14 01:50:10,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:50:10,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:50:10,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:50:10,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-07-14 01:50:10,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:50:10,563 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2022-07-14 01:50:10,564 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 01:50:10,564 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [134684220] [2022-07-14 01:50:10,565 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [134684220] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 01:50:10,565 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 01:50:10,565 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-14 01:50:10,570 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [790819476] [2022-07-14 01:50:10,570 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 01:50:10,575 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-14 01:50:10,575 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 01:50:10,602 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-14 01:50:10,603 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-14 01:50:10,611 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) [2022-07-14 01:50:13,398 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 [] [2022-07-14 01:50:18,699 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 [] [2022-07-14 01:50:22,493 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 01:50:22,493 INFO L93 Difference]: Finished difference Result 6335 states and 9749 transitions. [2022-07-14 01:50:22,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-14 01:50:22,497 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 [2022-07-14 01:50:22,497 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 01:50:22,548 INFO L225 Difference]: With dead ends: 6335 [2022-07-14 01:50:22,548 INFO L226 Difference]: Without dead ends: 3447 [2022-07-14 01:50:22,577 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 [2022-07-14 01:50:22,582 INFO L413 NwaCegarLoop]: 4046 mSDtfsCounter, 2757 mSDsluCounter, 2225 mSDsCounter, 0 mSdLazyCounter, 1664 mSolverCounterSat, 3110 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2834 SdHoareTripleChecker+Valid, 6271 SdHoareTripleChecker+Invalid, 4776 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3110 IncrementalHoareTripleChecker+Valid, 1664 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.3s IncrementalHoareTripleChecker+Time [2022-07-14 01:50:22,583 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2834 Valid, 6271 Invalid, 4776 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3110 Valid, 1664 Invalid, 2 Unknown, 0 Unchecked, 11.3s Time] [2022-07-14 01:50:22,607 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3447 states. [2022-07-14 01:50:22,799 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3447 to 2846. [2022-07-14 01:50:22,807 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) [2022-07-14 01:50:22,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2846 states to 2846 states and 4159 transitions. [2022-07-14 01:50:22,833 INFO L78 Accepts]: Start accepts. Automaton has 2846 states and 4159 transitions. Word has length 109 [2022-07-14 01:50:22,834 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 01:50:22,834 INFO L495 AbstractCegarLoop]: Abstraction has 2846 states and 4159 transitions. [2022-07-14 01:50:22,834 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) [2022-07-14 01:50:22,834 INFO L276 IsEmpty]: Start isEmpty. Operand 2846 states and 4159 transitions. [2022-07-14 01:50:22,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2022-07-14 01:50:22,840 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 01:50:22,841 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] [2022-07-14 01:50:22,841 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-14 01:50:22,842 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 01:50:22,842 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 01:50:22,842 INFO L85 PathProgramCache]: Analyzing trace with hash -1739698460, now seen corresponding path program 1 times [2022-07-14 01:50:22,842 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 01:50:22,843 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [249391358] [2022-07-14 01:50:22,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 01:50:22,843 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 01:50:23,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:50:23,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 01:50:23,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:50:23,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:50:23,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:50:23,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:50:23,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:50:23,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-14 01:50:23,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:50:23,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:50:23,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:50:23,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:50:23,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:50:23,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-14 01:50:23,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:50:23,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:50:23,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:50:23,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:50:23,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:50:23,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-14 01:50:23,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:50:23,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:50:23,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:50:23,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:50:23,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:50:23,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-14 01:50:23,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:50:23,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:50:23,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:50:23,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-14 01:50:23,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:50:23,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:50:23,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:50:23,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-07-14 01:50:23,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:50:23,478 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2022-07-14 01:50:23,479 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 01:50:23,480 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [249391358] [2022-07-14 01:50:23,482 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [249391358] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 01:50:23,483 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 01:50:23,483 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-14 01:50:23,483 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [14299572] [2022-07-14 01:50:23,483 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 01:50:23,485 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-14 01:50:23,485 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 01:50:23,485 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-14 01:50:23,485 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-14 01:50:23,486 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) [2022-07-14 01:50:26,812 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 [] [2022-07-14 01:50:34,743 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 [] [2022-07-14 01:50:39,977 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 01:50:39,978 INFO L93 Difference]: Finished difference Result 6695 states and 10119 transitions. [2022-07-14 01:50:39,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-14 01:50:39,978 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 [2022-07-14 01:50:39,979 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 01:50:40,006 INFO L225 Difference]: With dead ends: 6695 [2022-07-14 01:50:40,007 INFO L226 Difference]: Without dead ends: 3864 [2022-07-14 01:50:40,019 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 [2022-07-14 01:50:40,020 INFO L413 NwaCegarLoop]: 4591 mSDtfsCounter, 2535 mSDsluCounter, 7966 mSDsCounter, 0 mSdLazyCounter, 4067 mSolverCounterSat, 2190 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2758 SdHoareTripleChecker+Valid, 12557 SdHoareTripleChecker+Invalid, 6259 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2190 IncrementalHoareTripleChecker+Valid, 4067 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.9s IncrementalHoareTripleChecker+Time [2022-07-14 01:50:40,021 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2758 Valid, 12557 Invalid, 6259 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2190 Valid, 4067 Invalid, 2 Unknown, 0 Unchecked, 15.9s Time] [2022-07-14 01:50:40,027 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3864 states. [2022-07-14 01:50:40,132 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3864 to 2847. [2022-07-14 01:50:40,139 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) [2022-07-14 01:50:40,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2847 states to 2847 states and 4160 transitions. [2022-07-14 01:50:40,159 INFO L78 Accepts]: Start accepts. Automaton has 2847 states and 4160 transitions. Word has length 109 [2022-07-14 01:50:40,162 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 01:50:40,162 INFO L495 AbstractCegarLoop]: Abstraction has 2847 states and 4160 transitions. [2022-07-14 01:50:40,162 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) [2022-07-14 01:50:40,162 INFO L276 IsEmpty]: Start isEmpty. Operand 2847 states and 4160 transitions. [2022-07-14 01:50:40,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2022-07-14 01:50:40,171 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 01:50:40,171 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] [2022-07-14 01:50:40,171 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-14 01:50:40,172 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 01:50:40,172 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 01:50:40,172 INFO L85 PathProgramCache]: Analyzing trace with hash 1844031708, now seen corresponding path program 1 times [2022-07-14 01:50:40,172 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 01:50:40,173 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [87876577] [2022-07-14 01:50:40,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 01:50:40,173 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 01:50:40,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:50:40,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 01:50:40,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:50:40,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:50:40,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:50:40,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:50:40,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:50:40,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-14 01:50:40,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:50:40,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:50:40,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:50:40,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:50:40,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:50:40,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-14 01:50:40,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:50:40,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:50:40,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:50:40,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:50:40,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:50:40,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-14 01:50:40,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:50:40,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:50:40,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:50:40,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:50:40,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:50:40,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-14 01:50:40,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:50:40,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:50:40,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:50:40,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-14 01:50:40,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:50:40,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:50:40,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:50:40,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-07-14 01:50:40,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:50:40,772 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2022-07-14 01:50:40,773 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 01:50:40,773 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [87876577] [2022-07-14 01:50:40,773 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [87876577] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 01:50:40,773 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 01:50:40,774 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-14 01:50:40,774 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1639694088] [2022-07-14 01:50:40,774 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 01:50:40,774 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-14 01:50:40,775 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 01:50:40,775 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-14 01:50:40,775 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-14 01:50:40,776 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) [2022-07-14 01:50:42,429 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 01:50:44,615 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 01:50:46,649 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 01:50:49,495 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 01:50:51,531 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 01:50:57,403 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 01:50:59,494 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 01:51:05,601 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 01:51:05,601 INFO L93 Difference]: Finished difference Result 6859 states and 10398 transitions. [2022-07-14 01:51:05,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-14 01:51:05,602 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 [2022-07-14 01:51:05,602 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 01:51:05,631 INFO L225 Difference]: With dead ends: 6859 [2022-07-14 01:51:05,631 INFO L226 Difference]: Without dead ends: 4027 [2022-07-14 01:51:05,646 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 [2022-07-14 01:51:05,647 INFO L413 NwaCegarLoop]: 4651 mSDtfsCounter, 2371 mSDsluCounter, 8268 mSDsCounter, 0 mSdLazyCounter, 4132 mSolverCounterSat, 2086 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2629 SdHoareTripleChecker+Valid, 12919 SdHoareTripleChecker+Invalid, 6224 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2086 IncrementalHoareTripleChecker+Valid, 4132 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 24.5s IncrementalHoareTripleChecker+Time [2022-07-14 01:51:05,647 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2629 Valid, 12919 Invalid, 6224 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2086 Valid, 4132 Invalid, 6 Unknown, 0 Unchecked, 24.5s Time] [2022-07-14 01:51:05,653 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4027 states. [2022-07-14 01:51:05,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4027 to 2849. [2022-07-14 01:51:05,758 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) [2022-07-14 01:51:05,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2849 states to 2849 states and 4163 transitions. [2022-07-14 01:51:05,774 INFO L78 Accepts]: Start accepts. Automaton has 2849 states and 4163 transitions. Word has length 118 [2022-07-14 01:51:05,776 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 01:51:05,777 INFO L495 AbstractCegarLoop]: Abstraction has 2849 states and 4163 transitions. [2022-07-14 01:51:05,777 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) [2022-07-14 01:51:05,777 INFO L276 IsEmpty]: Start isEmpty. Operand 2849 states and 4163 transitions. [2022-07-14 01:51:05,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2022-07-14 01:51:05,780 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 01:51:05,780 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] [2022-07-14 01:51:05,780 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-14 01:51:05,780 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 01:51:05,781 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 01:51:05,781 INFO L85 PathProgramCache]: Analyzing trace with hash -1770877218, now seen corresponding path program 1 times [2022-07-14 01:51:05,782 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 01:51:05,782 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1362005895] [2022-07-14 01:51:05,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 01:51:05,782 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 01:51:06,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:51:06,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 01:51:06,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:51:06,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:51:06,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:51:06,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:51:06,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:51:06,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-14 01:51:06,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:51:06,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:51:06,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:51:06,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:51:06,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:51:06,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-14 01:51:06,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:51:06,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:51:06,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:51:06,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:51:06,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:51:06,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-14 01:51:06,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:51:06,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:51:06,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:51:06,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:51:06,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:51:06,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-14 01:51:06,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:51:06,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:51:06,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:51:06,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-14 01:51:06,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:51:06,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:51:06,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:51:06,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-07-14 01:51:06,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:51:06,374 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2022-07-14 01:51:06,374 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 01:51:06,374 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1362005895] [2022-07-14 01:51:06,375 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1362005895] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 01:51:06,375 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 01:51:06,375 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-14 01:51:06,375 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1784310593] [2022-07-14 01:51:06,375 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 01:51:06,376 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-14 01:51:06,376 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 01:51:06,376 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-14 01:51:06,377 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-14 01:51:06,377 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) [2022-07-14 01:51:10,067 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 01:51:12,109 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 01:51:19,562 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 01:51:21,665 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 01:51:35,030 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 01:51:35,030 INFO L93 Difference]: Finished difference Result 6060 states and 9389 transitions. [2022-07-14 01:51:35,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-14 01:51:35,031 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 [2022-07-14 01:51:35,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 01:51:35,064 INFO L225 Difference]: With dead ends: 6060 [2022-07-14 01:51:35,065 INFO L226 Difference]: Without dead ends: 6057 [2022-07-14 01:51:35,068 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2022-07-14 01:51:35,069 INFO L413 NwaCegarLoop]: 4890 mSDtfsCounter, 6924 mSDsluCounter, 7230 mSDsCounter, 0 mSdLazyCounter, 5127 mSolverCounterSat, 4030 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 26.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7307 SdHoareTripleChecker+Valid, 12120 SdHoareTripleChecker+Invalid, 9161 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4030 IncrementalHoareTripleChecker+Valid, 5127 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 28.2s IncrementalHoareTripleChecker+Time [2022-07-14 01:51:35,070 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7307 Valid, 12120 Invalid, 9161 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4030 Valid, 5127 Invalid, 4 Unknown, 0 Unchecked, 28.2s Time] [2022-07-14 01:51:35,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6057 states. [2022-07-14 01:51:35,253 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6057 to 5097. [2022-07-14 01:51:35,264 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) [2022-07-14 01:51:35,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5097 states to 5097 states and 7648 transitions. [2022-07-14 01:51:35,290 INFO L78 Accepts]: Start accepts. Automaton has 5097 states and 7648 transitions. Word has length 118 [2022-07-14 01:51:35,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 01:51:35,291 INFO L495 AbstractCegarLoop]: Abstraction has 5097 states and 7648 transitions. [2022-07-14 01:51:35,291 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) [2022-07-14 01:51:35,291 INFO L276 IsEmpty]: Start isEmpty. Operand 5097 states and 7648 transitions. [2022-07-14 01:51:35,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2022-07-14 01:51:35,298 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 01:51:35,299 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] [2022-07-14 01:51:35,299 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-14 01:51:35,299 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 01:51:35,300 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 01:51:35,300 INFO L85 PathProgramCache]: Analyzing trace with hash -1145950047, now seen corresponding path program 1 times [2022-07-14 01:51:35,300 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 01:51:35,300 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [737685895] [2022-07-14 01:51:35,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 01:51:35,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 01:51:35,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:51:35,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 01:51:35,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:51:35,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:51:35,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:51:35,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:51:35,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:51:35,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-14 01:51:35,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:51:35,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:51:35,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:51:35,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:51:35,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:51:35,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-14 01:51:35,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:51:35,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:51:35,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:51:35,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:51:35,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:51:35,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-14 01:51:35,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:51:35,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:51:35,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:51:35,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:51:35,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:51:35,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-14 01:51:35,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:51:35,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:51:35,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:51:35,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-14 01:51:35,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:51:35,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:51:35,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:51:35,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-07-14 01:51:35,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:51:35,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:51:35,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:51:35,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-07-14 01:51:35,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:51:35,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:51:35,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:51:35,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-07-14 01:51:35,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:51:35,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-07-14 01:51:35,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:51:35,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-07-14 01:51:35,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:51:35,842 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2022-07-14 01:51:35,843 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 01:51:35,845 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [737685895] [2022-07-14 01:51:35,845 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [737685895] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 01:51:35,845 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 01:51:35,845 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-07-14 01:51:35,845 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2014778101] [2022-07-14 01:51:35,845 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 01:51:35,846 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-14 01:51:35,847 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 01:51:35,847 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-14 01:51:35,847 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2022-07-14 01:51:35,847 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) [2022-07-14 01:51:40,358 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 01:51:47,653 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 01:51:56,909 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 01:51:56,909 INFO L93 Difference]: Finished difference Result 11944 states and 18423 transitions. [2022-07-14 01:51:56,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-07-14 01:51:56,910 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 [2022-07-14 01:51:56,910 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 01:51:56,959 INFO L225 Difference]: With dead ends: 11944 [2022-07-14 01:51:56,959 INFO L226 Difference]: Without dead ends: 6862 [2022-07-14 01:51:56,984 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 [2022-07-14 01:51:56,985 INFO L413 NwaCegarLoop]: 3908 mSDtfsCounter, 16187 mSDsluCounter, 3933 mSDsCounter, 0 mSdLazyCounter, 3413 mSolverCounterSat, 11912 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16743 SdHoareTripleChecker+Valid, 7841 SdHoareTripleChecker+Invalid, 15327 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 11912 IncrementalHoareTripleChecker+Valid, 3413 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.4s IncrementalHoareTripleChecker+Time [2022-07-14 01:51:56,985 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16743 Valid, 7841 Invalid, 15327 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [11912 Valid, 3413 Invalid, 2 Unknown, 0 Unchecked, 20.4s Time] [2022-07-14 01:51:56,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6862 states. [2022-07-14 01:51:57,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6862 to 5606. [2022-07-14 01:51:57,261 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) [2022-07-14 01:51:57,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5606 states to 5606 states and 8460 transitions. [2022-07-14 01:51:57,292 INFO L78 Accepts]: Start accepts. Automaton has 5606 states and 8460 transitions. Word has length 166 [2022-07-14 01:51:57,293 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 01:51:57,294 INFO L495 AbstractCegarLoop]: Abstraction has 5606 states and 8460 transitions. [2022-07-14 01:51:57,295 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) [2022-07-14 01:51:57,295 INFO L276 IsEmpty]: Start isEmpty. Operand 5606 states and 8460 transitions. [2022-07-14 01:51:57,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-07-14 01:51:57,302 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 01:51:57,303 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] [2022-07-14 01:51:57,303 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-14 01:51:57,303 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 01:51:57,304 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 01:51:57,304 INFO L85 PathProgramCache]: Analyzing trace with hash 1748416799, now seen corresponding path program 1 times [2022-07-14 01:51:57,304 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 01:51:57,304 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1444102457] [2022-07-14 01:51:57,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 01:51:57,304 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 01:51:57,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:51:57,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 01:51:57,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:51:57,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:51:57,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:51:57,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:51:57,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:51:57,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-14 01:51:57,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:51:57,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:51:57,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:51:57,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:51:57,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:51:57,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-14 01:51:57,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:51:57,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:51:57,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:51:57,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:51:57,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:51:57,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-14 01:51:57,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:51:57,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:51:57,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:51:57,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:51:57,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:51:57,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-14 01:51:57,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:51:57,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:51:57,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:51:57,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-14 01:51:57,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:51:57,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:51:57,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:51:57,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-14 01:51:57,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:51:57,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:51:57,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:51:57,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-14 01:51:57,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:51:57,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:51:57,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:51:57,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-07-14 01:51:57,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:51:57,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-07-14 01:51:57,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:51:57,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-07-14 01:51:57,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:51:57,820 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2022-07-14 01:51:57,821 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 01:51:57,821 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1444102457] [2022-07-14 01:51:57,821 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1444102457] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 01:51:57,821 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 01:51:57,821 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-07-14 01:51:57,822 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1310769957] [2022-07-14 01:51:57,822 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 01:51:57,822 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-14 01:51:57,822 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 01:51:57,823 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-14 01:51:57,823 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2022-07-14 01:51:57,823 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) [2022-07-14 01:51:59,816 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.39s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 01:52:04,451 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 01:52:06,499 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 01:52:10,943 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 01:52:12,985 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 01:52:16,710 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 01:52:18,752 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 01:52:33,460 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 01:52:35,554 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 01:52:40,825 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 01:52:52,344 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 01:53:02,560 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 01:53:04,591 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 01:53:18,119 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 01:53:20,227 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []