./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--net--ethernet--qlogic--qlge--qlge.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8393723b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f87d7b3-93ae-4471-9b4a-9fabb42daece/bin/uautomizer-TMbwUNV5ro/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f87d7b3-93ae-4471-9b4a-9fabb42daece/bin/uautomizer-TMbwUNV5ro/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f87d7b3-93ae-4471-9b4a-9fabb42daece/bin/uautomizer-TMbwUNV5ro/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f87d7b3-93ae-4471-9b4a-9fabb42daece/bin/uautomizer-TMbwUNV5ro/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--qlogic--qlge--qlge.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f87d7b3-93ae-4471-9b4a-9fabb42daece/bin/uautomizer-TMbwUNV5ro/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f87d7b3-93ae-4471-9b4a-9fabb42daece/bin/uautomizer-TMbwUNV5ro --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 a2abac310a27b5a5bcc59448f1c6a5bb002a25760bc50fe35981661b9f35339a --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-8393723 [2022-11-18 20:08:52,258 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-18 20:08:52,261 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-18 20:08:52,293 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-18 20:08:52,294 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-18 20:08:52,299 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-18 20:08:52,302 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-18 20:08:52,306 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-18 20:08:52,311 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-18 20:08:52,313 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-18 20:08:52,315 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-18 20:08:52,318 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-18 20:08:52,320 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-18 20:08:52,324 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-18 20:08:52,326 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-18 20:08:52,329 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-18 20:08:52,330 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-18 20:08:52,333 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-18 20:08:52,339 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-18 20:08:52,341 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-18 20:08:52,345 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-18 20:08:52,346 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-18 20:08:52,350 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-18 20:08:52,351 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-18 20:08:52,360 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-18 20:08:52,365 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-18 20:08:52,365 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-18 20:08:52,366 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-18 20:08:52,368 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-18 20:08:52,369 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-18 20:08:52,370 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-18 20:08:52,371 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-18 20:08:52,373 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-18 20:08:52,374 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-18 20:08:52,376 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-18 20:08:52,377 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-18 20:08:52,378 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-18 20:08:52,378 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-18 20:08:52,378 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-18 20:08:52,379 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-18 20:08:52,380 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-18 20:08:52,381 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f87d7b3-93ae-4471-9b4a-9fabb42daece/bin/uautomizer-TMbwUNV5ro/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-18 20:08:52,425 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-18 20:08:52,426 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-18 20:08:52,426 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-18 20:08:52,427 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-18 20:08:52,428 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-18 20:08:52,428 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-18 20:08:52,429 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-18 20:08:52,429 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-18 20:08:52,429 INFO L138 SettingsManager]: * Use SBE=true [2022-11-18 20:08:52,430 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-18 20:08:52,431 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-18 20:08:52,431 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-18 20:08:52,432 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-18 20:08:52,432 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-18 20:08:52,432 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-18 20:08:52,432 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-18 20:08:52,433 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-18 20:08:52,433 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-18 20:08:52,433 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-18 20:08:52,434 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-18 20:08:52,434 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-18 20:08:52,434 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 20:08:52,434 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-18 20:08:52,435 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-18 20:08:52,435 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-18 20:08:52,435 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-18 20:08:52,435 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-18 20:08:52,436 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-18 20:08:52,436 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-18 20:08:52,436 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-18 20:08:52,437 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:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f87d7b3-93ae-4471-9b4a-9fabb42daece/bin/uautomizer-TMbwUNV5ro/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f87d7b3-93ae-4471-9b4a-9fabb42daece/bin/uautomizer-TMbwUNV5ro Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a2abac310a27b5a5bcc59448f1c6a5bb002a25760bc50fe35981661b9f35339a [2022-11-18 20:08:52,791 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-18 20:08:52,823 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-18 20:08:52,826 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-18 20:08:52,828 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-18 20:08:52,829 INFO L275 PluginConnector]: CDTParser initialized [2022-11-18 20:08:52,830 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f87d7b3-93ae-4471-9b4a-9fabb42daece/bin/uautomizer-TMbwUNV5ro/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--qlogic--qlge--qlge.ko-entry_point.cil.out.i [2022-11-18 20:08:52,908 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f87d7b3-93ae-4471-9b4a-9fabb42daece/bin/uautomizer-TMbwUNV5ro/data/05378fe0f/ac099dfc68764d2882eabc3b8e5ca35f/FLAG186a61615 [2022-11-18 20:08:54,188 INFO L306 CDTParser]: Found 1 translation units. [2022-11-18 20:08:54,189 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f87d7b3-93ae-4471-9b4a-9fabb42daece/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--qlogic--qlge--qlge.ko-entry_point.cil.out.i [2022-11-18 20:08:54,276 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f87d7b3-93ae-4471-9b4a-9fabb42daece/bin/uautomizer-TMbwUNV5ro/data/05378fe0f/ac099dfc68764d2882eabc3b8e5ca35f/FLAG186a61615 [2022-11-18 20:08:54,308 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f87d7b3-93ae-4471-9b4a-9fabb42daece/bin/uautomizer-TMbwUNV5ro/data/05378fe0f/ac099dfc68764d2882eabc3b8e5ca35f [2022-11-18 20:08:54,311 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-18 20:08:54,315 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-18 20:08:54,320 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-18 20:08:54,321 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-18 20:08:54,325 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-18 20:08:54,350 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:08:54" (1/1) ... [2022-11-18 20:08:54,351 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67b03e93 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:08:54, skipping insertion in model container [2022-11-18 20:08:54,351 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:08:54" (1/1) ... [2022-11-18 20:08:54,377 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-18 20:08:54,625 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-18 20:09:01,552 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f87d7b3-93ae-4471-9b4a-9fabb42daece/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--qlogic--qlge--qlge.ko-entry_point.cil.out.i[600803,600816] [2022-11-18 20:09:01,670 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 20:09:01,780 INFO L203 MainTranslator]: Completed pre-run [2022-11-18 20:09:02,789 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f87d7b3-93ae-4471-9b4a-9fabb42daece/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--qlogic--qlge--qlge.ko-entry_point.cil.out.i[600803,600816] [2022-11-18 20:09:02,800 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 20:09:03,359 INFO L208 MainTranslator]: Completed translation [2022-11-18 20:09:03,360 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:09:03 WrapperNode [2022-11-18 20:09:03,362 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-18 20:09:03,364 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-18 20:09:03,364 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-18 20:09:03,365 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-18 20:09:03,374 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:09:03" (1/1) ... [2022-11-18 20:09:03,699 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:09:03" (1/1) ... [2022-11-18 20:09:04,333 INFO L138 Inliner]: procedures = 678, calls = 7482, calls flagged for inlining = 299, calls inlined = 290, statements flattened = 15423 [2022-11-18 20:09:04,334 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-18 20:09:04,336 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-18 20:09:04,336 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-18 20:09:04,336 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-18 20:09:04,349 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:09:03" (1/1) ... [2022-11-18 20:09:04,349 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:09:03" (1/1) ... [2022-11-18 20:09:04,573 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:09:03" (1/1) ... [2022-11-18 20:09:04,583 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:09:03" (1/1) ... [2022-11-18 20:09:05,052 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:09:03" (1/1) ... [2022-11-18 20:09:05,115 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:09:03" (1/1) ... [2022-11-18 20:09:05,198 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:09:03" (1/1) ... [2022-11-18 20:09:05,245 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:09:03" (1/1) ... [2022-11-18 20:09:05,432 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-18 20:09:05,433 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-18 20:09:05,433 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-18 20:09:05,433 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-18 20:09:05,437 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:09:03" (1/1) ... [2022-11-18 20:09:05,461 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 20:09:05,491 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f87d7b3-93ae-4471-9b4a-9fabb42daece/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:09:05,529 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f87d7b3-93ae-4471-9b4a-9fabb42daece/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-18 20:09:05,595 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f87d7b3-93ae-4471-9b4a-9fabb42daece/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-18 20:09:05,685 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-11-18 20:09:05,686 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-11-18 20:09:05,686 INFO L130 BoogieDeclarations]: Found specification of procedure ipv6_hdr [2022-11-18 20:09:05,686 INFO L138 BoogieDeclarations]: Found implementation of procedure ipv6_hdr [2022-11-18 20:09:05,686 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2022-11-18 20:09:05,687 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-18 20:09:05,687 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-18 20:09:05,687 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2022-11-18 20:09:05,687 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2022-11-18 20:09:05,687 INFO L130 BoogieDeclarations]: Found specification of procedure ql_free_irq [2022-11-18 20:09:05,688 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_free_irq [2022-11-18 20:09:05,688 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2022-11-18 20:09:05,688 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2022-11-18 20:09:05,688 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_page [2022-11-18 20:09:05,689 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_page [2022-11-18 20:09:05,689 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2022-11-18 20:09:05,689 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2022-11-18 20:09:05,689 INFO L130 BoogieDeclarations]: Found specification of procedure ql_enable_completion_interrupt [2022-11-18 20:09:05,689 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_enable_completion_interrupt [2022-11-18 20:09:05,690 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-18 20:09:05,690 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-18 20:09:05,690 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_both_serdes [2022-11-18 20:09:05,690 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_both_serdes [2022-11-18 20:09:05,690 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_xgmac_reg [2022-11-18 20:09:05,691 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_xgmac_reg [2022-11-18 20:09:05,691 INFO L130 BoogieDeclarations]: Found specification of procedure ql_adapter_reset [2022-11-18 20:09:05,691 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_adapter_reset [2022-11-18 20:09:05,691 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap_nocache [2022-11-18 20:09:05,692 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap_nocache [2022-11-18 20:09:05,692 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-11-18 20:09:05,692 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-11-18 20:09:05,692 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_sync_single_for_cpu [2022-11-18 20:09:05,692 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_sync_single_for_cpu [2022-11-18 20:09:05,693 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mpi_port_cfg_work [2022-11-18 20:09:05,693 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mpi_port_cfg_work [2022-11-18 20:09:05,693 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_send [2022-11-18 20:09:05,693 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_send [2022-11-18 20:09:05,693 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_page [2022-11-18 20:09:05,694 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_page [2022-11-18 20:09:05,694 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_6 [2022-11-18 20:09:05,694 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_6 [2022-11-18 20:09:05,694 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2022-11-18 20:09:05,694 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2022-11-18 20:09:05,695 INFO L130 BoogieDeclarations]: Found specification of procedure netif_napi_del [2022-11-18 20:09:05,695 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_napi_del [2022-11-18 20:09:05,695 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-11-18 20:09:05,711 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-11-18 20:09:05,711 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2022-11-18 20:09:05,711 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2022-11-18 20:09:05,712 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-11-18 20:09:05,712 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-11-18 20:09:05,712 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_regs_len [2022-11-18 20:09:05,712 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_regs_len [2022-11-18 20:09:05,712 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_vlan_rx_kill_vid [2022-11-18 20:09:05,713 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_vlan_rx_kill_vid [2022-11-18 20:09:05,713 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-18 20:09:05,713 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-18 20:09:05,713 INFO L130 BoogieDeclarations]: Found specification of procedure PageTail [2022-11-18 20:09:05,714 INFO L138 BoogieDeclarations]: Found implementation of procedure PageTail [2022-11-18 20:09:05,714 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_shutdown [2022-11-18 20:09:05,714 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_shutdown [2022-11-18 20:09:05,714 INFO L130 BoogieDeclarations]: Found specification of procedure ql_release_all [2022-11-18 20:09:05,714 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_release_all [2022-11-18 20:09:05,715 INFO L130 BoogieDeclarations]: Found specification of procedure ql_update_mac_hdr_len [2022-11-18 20:09:05,715 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_update_mac_hdr_len [2022-11-18 20:09:05,715 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mailbox_command [2022-11-18 20:09:05,715 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mailbox_command [2022-11-18 20:09:05,716 INFO L130 BoogieDeclarations]: Found specification of procedure skb_checksum_none_assert [2022-11-18 20:09:05,716 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_checksum_none_assert [2022-11-18 20:09:05,716 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-11-18 20:09:05,716 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-11-18 20:09:05,716 INFO L130 BoogieDeclarations]: Found specification of procedure ql_set_irq_mask [2022-11-18 20:09:05,717 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_set_irq_mask [2022-11-18 20:09:05,717 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-11-18 20:09:05,717 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-11-18 20:09:05,717 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-11-18 20:09:05,717 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-11-18 20:09:05,718 INFO L130 BoogieDeclarations]: Found specification of procedure ql_dump_risc_ram_area [2022-11-18 20:09:05,718 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_dump_risc_ram_area [2022-11-18 20:09:05,718 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-11-18 20:09:05,718 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-11-18 20:09:05,719 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_other_func_reg [2022-11-18 20:09:05,719 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_other_func_reg [2022-11-18 20:09:05,719 INFO L130 BoogieDeclarations]: Found specification of procedure __qlge_vlan_rx_add_vid [2022-11-18 20:09:05,719 INFO L138 BoogieDeclarations]: Found implementation of procedure __qlge_vlan_rx_add_vid [2022-11-18 20:09:05,719 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2022-11-18 20:09:05,720 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2022-11-18 20:09:05,720 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2022-11-18 20:09:05,720 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2022-11-18 20:09:05,720 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-18 20:09:05,720 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-11-18 20:09:05,721 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-11-18 20:09:05,721 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_xgmac_regs [2022-11-18 20:09:05,721 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_xgmac_regs [2022-11-18 20:09:05,721 INFO L130 BoogieDeclarations]: Found specification of procedure ql_queue_asic_error [2022-11-18 20:09:05,721 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_queue_asic_error [2022-11-18 20:09:05,722 INFO L130 BoogieDeclarations]: Found specification of procedure ql_update_buffer_queues [2022-11-18 20:09:05,722 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_update_buffer_queues [2022-11-18 20:09:05,722 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_cam_entries [2022-11-18 20:09:05,722 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_cam_entries [2022-11-18 20:09:05,722 INFO L130 BoogieDeclarations]: Found specification of procedure ql_free_mem_resources [2022-11-18 20:09:05,723 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_free_mem_resources [2022-11-18 20:09:05,723 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_xgmac_reg [2022-11-18 20:09:05,723 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_xgmac_reg [2022-11-18 20:09:05,723 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2022-11-18 20:09:05,723 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2022-11-18 20:09:05,724 INFO L130 BoogieDeclarations]: Found specification of procedure ql_adapter_up [2022-11-18 20:09:05,724 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_adapter_up [2022-11-18 20:09:05,724 INFO L130 BoogieDeclarations]: Found specification of procedure ql_eeh_close [2022-11-18 20:09:05,724 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_eeh_close [2022-11-18 20:09:05,724 INFO L130 BoogieDeclarations]: Found specification of procedure netif_receive_skb [2022-11-18 20:09:05,725 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_receive_skb [2022-11-18 20:09:05,725 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-11-18 20:09:05,725 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-11-18 20:09:05,725 INFO L130 BoogieDeclarations]: Found specification of procedure ql_set_mac_addr_reg [2022-11-18 20:09:05,725 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_set_mac_addr_reg [2022-11-18 20:09:05,726 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-11-18 20:09:05,726 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-11-18 20:09:05,726 INFO L130 BoogieDeclarations]: Found specification of procedure skb_record_rx_queue [2022-11-18 20:09:05,726 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_record_rx_queue [2022-11-18 20:09:05,727 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_consistent_dma_mask [2022-11-18 20:09:05,727 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_consistent_dma_mask [2022-11-18 20:09:05,727 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-18 20:09:05,727 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_serdes_reg [2022-11-18 20:09:05,727 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_serdes_reg [2022-11-18 20:09:05,728 INFO L130 BoogieDeclarations]: Found specification of procedure pci_save_state [2022-11-18 20:09:05,728 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_save_state [2022-11-18 20:09:05,728 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-11-18 20:09:05,728 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-11-18 20:09:05,728 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-11-18 20:09:05,729 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-11-18 20:09:05,729 INFO L130 BoogieDeclarations]: Found specification of procedure ql_build_coredump_seg_header [2022-11-18 20:09:05,729 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_build_coredump_seg_header [2022-11-18 20:09:05,729 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mpi_idc_work [2022-11-18 20:09:05,730 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mpi_idc_work [2022-11-18 20:09:05,730 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_close [2022-11-18 20:09:05,730 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_close [2022-11-18 20:09:05,730 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_mb_sts [2022-11-18 20:09:05,730 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_mb_sts [2022-11-18 20:09:05,743 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-18 20:09:05,743 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_open [2022-11-18 20:09:05,743 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_open [2022-11-18 20:09:05,743 INFO L130 BoogieDeclarations]: Found specification of procedure pci_zalloc_consistent [2022-11-18 20:09:05,744 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_zalloc_consistent [2022-11-18 20:09:05,744 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-18 20:09:05,744 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-11-18 20:09:05,744 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-11-18 20:09:05,744 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headroom [2022-11-18 20:09:05,745 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headroom [2022-11-18 20:09:05,745 INFO L130 BoogieDeclarations]: Found specification of procedure reg_check_1 [2022-11-18 20:09:05,745 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_check_1 [2022-11-18 20:09:05,745 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_10 [2022-11-18 20:09:05,745 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_10 [2022-11-18 20:09:05,746 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-18 20:09:05,746 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-18 20:09:05,746 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2022-11-18 20:09:05,746 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2022-11-18 20:09:05,746 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_probe [2022-11-18 20:09:05,746 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_probe [2022-11-18 20:09:05,747 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_offset [2022-11-18 20:09:05,747 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_offset [2022-11-18 20:09:05,747 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-11-18 20:09:05,747 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-11-18 20:09:05,747 INFO L130 BoogieDeclarations]: Found specification of procedure ql_free_rx_buffers [2022-11-18 20:09:05,748 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_free_rx_buffers [2022-11-18 20:09:05,748 INFO L130 BoogieDeclarations]: Found specification of procedure dev_close [2022-11-18 20:09:05,748 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_close [2022-11-18 20:09:05,748 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2022-11-18 20:09:05,748 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2022-11-18 20:09:05,749 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write32 [2022-11-18 20:09:05,749 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write32 [2022-11-18 20:09:05,749 INFO L130 BoogieDeclarations]: Found specification of procedure ql_cam_route_initialize [2022-11-18 20:09:05,749 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_cam_route_initialize [2022-11-18 20:09:05,749 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-11-18 20:09:05,750 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-11-18 20:09:05,750 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-11-18 20:09:05,750 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-11-18 20:09:05,750 INFO L130 BoogieDeclarations]: Found specification of procedure ql_wait_other_func_reg_rdy [2022-11-18 20:09:05,750 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_wait_other_func_reg_rdy [2022-11-18 20:09:05,751 INFO L130 BoogieDeclarations]: Found specification of procedure ql_sem_trylock [2022-11-18 20:09:05,751 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_sem_trylock [2022-11-18 20:09:05,751 INFO L130 BoogieDeclarations]: Found specification of procedure ql_asic_reset_work [2022-11-18 20:09:05,751 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_asic_reset_work [2022-11-18 20:09:05,751 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-11-18 20:09:05,752 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-11-18 20:09:05,752 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mb_set_port_cfg [2022-11-18 20:09:05,752 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mb_set_port_cfg [2022-11-18 20:09:05,752 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-18 20:09:05,752 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_mpi_reg [2022-11-18 20:09:05,753 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_mpi_reg [2022-11-18 20:09:05,753 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_calloc [2022-11-18 20:09:05,753 INFO L130 BoogieDeclarations]: Found specification of procedure __get_order [2022-11-18 20:09:05,753 INFO L138 BoogieDeclarations]: Found implementation of procedure __get_order [2022-11-18 20:09:05,753 INFO L130 BoogieDeclarations]: Found specification of procedure ql_sem_spinlock [2022-11-18 20:09:05,754 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_sem_spinlock [2022-11-18 20:09:05,754 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-18 20:09:05,754 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2022-11-18 20:09:05,754 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2022-11-18 20:09:05,754 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_get_stats [2022-11-18 20:09:05,755 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_get_stats [2022-11-18 20:09:05,755 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-11-18 20:09:05,755 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-11-18 20:09:05,755 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-18 20:09:05,755 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-18 20:09:05,756 INFO L130 BoogieDeclarations]: Found specification of procedure ql_sem_unlock [2022-11-18 20:09:05,756 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_sem_unlock [2022-11-18 20:09:05,756 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2022-11-18 20:09:05,756 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2022-11-18 20:09:05,757 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_8012_flash_params [2022-11-18 20:09:05,757 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_8012_flash_params [2022-11-18 20:09:05,757 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-11-18 20:09:05,757 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-11-18 20:09:05,757 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_io_slot_reset [2022-11-18 20:09:05,757 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_io_slot_reset [2022-11-18 20:09:05,758 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work___0 [2022-11-18 20:09:05,758 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work___0 [2022-11-18 20:09:05,758 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-11-18 20:09:05,758 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-11-18 20:09:05,758 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_other_func_serdes_reg [2022-11-18 20:09:05,759 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_other_func_serdes_reg [2022-11-18 20:09:05,759 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2022-11-18 20:09:05,759 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2022-11-18 20:09:05,759 INFO L130 BoogieDeclarations]: Found specification of procedure ql_disable_completion_interrupt [2022-11-18 20:09:05,759 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_disable_completion_interrupt [2022-11-18 20:09:05,760 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_fill_page_desc [2022-11-18 20:09:05,760 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_fill_page_desc [2022-11-18 20:09:05,760 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2022-11-18 20:09:05,760 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2022-11-18 20:09:05,760 INFO L130 BoogieDeclarations]: Found specification of procedure ql_clear_routing_entries [2022-11-18 20:09:05,761 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_clear_routing_entries [2022-11-18 20:09:05,761 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2022-11-18 20:09:05,761 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2022-11-18 20:09:05,761 INFO L130 BoogieDeclarations]: Found specification of procedure ql_link_off [2022-11-18 20:09:05,761 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_link_off [2022-11-18 20:09:05,762 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2022-11-18 20:09:05,762 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2022-11-18 20:09:05,762 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size [2022-11-18 20:09:05,762 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size [2022-11-18 20:09:05,763 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_tx_timeout [2022-11-18 20:09:05,763 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_tx_timeout [2022-11-18 20:09:05,763 INFO L130 BoogieDeclarations]: Found specification of procedure ql_8000_port_initialize [2022-11-18 20:09:05,763 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_8000_port_initialize [2022-11-18 20:09:05,763 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work [2022-11-18 20:09:05,764 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work [2022-11-18 20:09:05,764 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_mpi_regs [2022-11-18 20:09:05,764 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_mpi_regs [2022-11-18 20:09:05,764 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-11-18 20:09:05,764 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-11-18 20:09:05,765 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-11-18 20:09:05,765 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-11-18 20:09:05,765 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mpi_core_to_log [2022-11-18 20:09:05,765 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mpi_core_to_log [2022-11-18 20:09:05,765 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_set_mac_address [2022-11-18 20:09:05,766 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_set_mac_address [2022-11-18 20:09:05,766 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-18 20:09:05,766 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-18 20:09:05,766 INFO L130 BoogieDeclarations]: Found specification of procedure ql_8012_port_initialize [2022-11-18 20:09:05,766 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_8012_port_initialize [2022-11-18 20:09:05,767 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdr [2022-11-18 20:09:05,767 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdr [2022-11-18 20:09:05,767 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_flash_word [2022-11-18 20:09:05,767 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_flash_word [2022-11-18 20:09:05,767 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_subqueue [2022-11-18 20:09:05,768 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_subqueue [2022-11-18 20:09:05,768 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-11-18 20:09:05,768 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-11-18 20:09:05,768 INFO L130 BoogieDeclarations]: Found specification of procedure ql_release_adapter_resources [2022-11-18 20:09:05,768 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_release_adapter_resources [2022-11-18 20:09:05,769 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-18 20:09:05,769 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-18 20:09:05,769 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-18 20:09:05,769 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-18 20:09:05,769 INFO L130 BoogieDeclarations]: Found specification of procedure csum_tcpudp_magic [2022-11-18 20:09:05,770 INFO L138 BoogieDeclarations]: Found implementation of procedure csum_tcpudp_magic [2022-11-18 20:09:05,770 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work_sync [2022-11-18 20:09:05,770 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work_sync [2022-11-18 20:09:05,770 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2022-11-18 20:09:05,770 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2022-11-18 20:09:05,771 INFO L130 BoogieDeclarations]: Found specification of procedure ql_free_rx_resources [2022-11-18 20:09:05,771 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_free_rx_resources [2022-11-18 20:09:05,771 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule [2022-11-18 20:09:05,771 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule [2022-11-18 20:09:05,771 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2022-11-18 20:09:05,772 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2022-11-18 20:09:05,772 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-11-18 20:09:05,772 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-11-18 20:09:05,772 INFO L130 BoogieDeclarations]: Found specification of procedure ql_disable_interrupts [2022-11-18 20:09:05,772 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_disable_interrupts [2022-11-18 20:09:05,773 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mb_idc_ack [2022-11-18 20:09:05,773 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mb_idc_ack [2022-11-18 20:09:05,773 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2022-11-18 20:09:05,773 INFO L130 BoogieDeclarations]: Found specification of procedure ql_soft_reset_mpi_risc [2022-11-18 20:09:05,773 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_soft_reset_mpi_risc [2022-11-18 20:09:05,774 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2022-11-18 20:09:05,774 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2022-11-18 20:09:05,774 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2022-11-18 20:09:05,774 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2022-11-18 20:09:05,774 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_remove [2022-11-18 20:09:05,775 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_remove [2022-11-18 20:09:05,775 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_cq_idx [2022-11-18 20:09:05,775 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_cq_idx [2022-11-18 20:09:05,775 INFO L130 BoogieDeclarations]: Found specification of procedure ql_link_on [2022-11-18 20:09:05,775 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_link_on [2022-11-18 20:09:05,776 INFO L130 BoogieDeclarations]: Found specification of procedure napi_gro_receive [2022-11-18 20:09:05,776 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_gro_receive [2022-11-18 20:09:05,776 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_set_multicast_list [2022-11-18 20:09:05,776 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_set_multicast_list [2022-11-18 20:09:05,776 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-11-18 20:09:05,777 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-11-18 20:09:05,777 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-18 20:09:05,777 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-18 20:09:05,777 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work_on [2022-11-18 20:09:05,777 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work_on [2022-11-18 20:09:05,777 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2022-11-18 20:09:05,778 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2022-11-18 20:09:05,778 INFO L130 BoogieDeclarations]: Found specification of procedure ip_hdr [2022-11-18 20:09:05,778 INFO L138 BoogieDeclarations]: Found implementation of procedure ip_hdr [2022-11-18 20:09:05,778 INFO L130 BoogieDeclarations]: Found specification of procedure ql_tx_ring_clean [2022-11-18 20:09:05,778 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_tx_ring_clean [2022-11-18 20:09:05,779 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-11-18 20:09:05,779 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-11-18 20:09:05,779 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-18 20:09:05,779 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-18 20:09:05,779 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_irq_1 [2022-11-18 20:09:05,780 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_irq_1 [2022-11-18 20:09:05,780 INFO L130 BoogieDeclarations]: Found specification of procedure skb_fill_page_desc [2022-11-18 20:09:05,780 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_fill_page_desc [2022-11-18 20:09:05,780 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-18 20:09:05,780 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-18 20:09:05,781 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_mpi_reg [2022-11-18 20:09:05,781 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_mpi_reg [2022-11-18 20:09:05,781 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2022-11-18 20:09:05,781 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2022-11-18 20:09:05,781 INFO L130 BoogieDeclarations]: Found specification of procedure ql_clean_inbound_rx_ring [2022-11-18 20:09:05,782 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_clean_inbound_rx_ring [2022-11-18 20:09:05,782 INFO L130 BoogieDeclarations]: Found specification of procedure ql_update_cq [2022-11-18 20:09:05,782 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_update_cq [2022-11-18 20:09:05,782 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2022-11-18 20:09:05,782 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2022-11-18 20:09:05,782 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_subqueue [2022-11-18 20:09:05,783 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_subqueue [2022-11-18 20:09:05,783 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-11-18 20:09:05,783 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-11-18 20:09:05,783 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_set_features [2022-11-18 20:09:05,783 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_set_features [2022-11-18 20:09:05,784 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-18 20:09:05,784 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-18 20:09:05,784 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-18 20:09:05,784 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_curr_sbuf [2022-11-18 20:09:05,784 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_curr_sbuf [2022-11-18 20:09:05,785 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2022-11-18 20:09:05,785 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2022-11-18 20:09:05,785 INFO L130 BoogieDeclarations]: Found specification of procedure ql_realign_skb [2022-11-18 20:09:05,785 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_realign_skb [2022-11-18 20:09:05,785 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-11-18 20:09:05,786 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-11-18 20:09:05,786 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_io_error_detected [2022-11-18 20:09:05,786 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_io_error_detected [2022-11-18 20:09:05,786 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_routing_entries [2022-11-18 20:09:05,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_routing_entries [2022-11-18 20:09:05,786 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_work_6 [2022-11-18 20:09:05,787 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_work_6 [2022-11-18 20:09:05,787 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-18 20:09:05,787 INFO L130 BoogieDeclarations]: Found specification of procedure put_page [2022-11-18 20:09:05,787 INFO L138 BoogieDeclarations]: Found implementation of procedure put_page [2022-11-18 20:09:05,787 INFO L130 BoogieDeclarations]: Found specification of procedure ql_process_mac_split_rx_intr [2022-11-18 20:09:05,788 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_process_mac_split_rx_intr [2022-11-18 20:09:05,788 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_suspend [2022-11-18 20:09:05,788 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_suspend [2022-11-18 20:09:05,788 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2022-11-18 20:09:05,788 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2022-11-18 20:09:05,789 INFO L130 BoogieDeclarations]: Found specification of procedure __pskb_pull_tail [2022-11-18 20:09:05,789 INFO L138 BoogieDeclarations]: Found implementation of procedure __pskb_pull_tail [2022-11-18 20:09:05,789 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2022-11-18 20:09:05,789 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2022-11-18 20:09:05,789 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-18 20:09:05,790 INFO L130 BoogieDeclarations]: Found specification of procedure disable_work_6 [2022-11-18 20:09:05,790 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_work_6 [2022-11-18 20:09:05,790 INFO L130 BoogieDeclarations]: Found specification of procedure __vlan_hwaccel_put_tag [2022-11-18 20:09:05,790 INFO L138 BoogieDeclarations]: Found implementation of procedure __vlan_hwaccel_put_tag [2022-11-18 20:09:05,790 INFO L130 BoogieDeclarations]: Found specification of procedure ql_validate_flash [2022-11-18 20:09:05,791 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_validate_flash [2022-11-18 20:09:05,791 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2022-11-18 20:09:05,791 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2022-11-18 20:09:05,791 INFO L130 BoogieDeclarations]: Found specification of procedure ql_cancel_all_work_sync [2022-11-18 20:09:05,791 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_cancel_all_work_sync [2022-11-18 20:09:05,792 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-11-18 20:09:05,792 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-11-18 20:09:05,792 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-11-18 20:09:05,792 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-11-18 20:09:05,792 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-11-18 20:09:05,793 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-11-18 20:09:05,793 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_8000_flash_params [2022-11-18 20:09:05,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_8000_flash_params [2022-11-18 20:09:05,793 INFO L130 BoogieDeclarations]: Found specification of procedure ql_check_lb_frame [2022-11-18 20:09:05,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_check_lb_frame [2022-11-18 20:09:05,794 INFO L130 BoogieDeclarations]: Found specification of procedure pci_restore_state [2022-11-18 20:09:05,794 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_restore_state [2022-11-18 20:09:05,794 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc_array [2022-11-18 20:09:05,794 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc_array [2022-11-18 20:09:05,794 INFO L130 BoogieDeclarations]: Found specification of procedure ql_categorize_rx_err [2022-11-18 20:09:05,795 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_categorize_rx_err [2022-11-18 20:09:05,795 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2022-11-18 20:09:05,795 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2022-11-18 20:09:05,795 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-11-18 20:09:05,796 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-11-18 20:09:05,796 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2022-11-18 20:09:05,796 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2022-11-18 20:09:05,796 INFO L130 BoogieDeclarations]: Found specification of procedure ql_adapter_initialize [2022-11-18 20:09:05,796 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_adapter_initialize [2022-11-18 20:09:05,796 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_mapping_error [2022-11-18 20:09:05,797 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_mapping_error [2022-11-18 20:09:05,797 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_sh_reg [2022-11-18 20:09:05,797 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_sh_reg [2022-11-18 20:09:05,797 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_offset [2022-11-18 20:09:05,797 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_offset [2022-11-18 20:09:05,798 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-11-18 20:09:05,798 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-11-18 20:09:05,798 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_header [2022-11-18 20:09:05,798 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_header [2022-11-18 20:09:05,798 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_db_reg [2022-11-18 20:09:05,799 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_db_reg [2022-11-18 20:09:05,799 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-18 20:09:05,799 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-18 20:09:05,799 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mb_get_port_cfg [2022-11-18 20:09:05,799 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mb_get_port_cfg [2022-11-18 20:09:05,799 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_vlan_rx_add_vid [2022-11-18 20:09:05,800 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_vlan_rx_add_vid [2022-11-18 20:09:05,800 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-18 20:09:05,800 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_1 [2022-11-18 20:09:05,800 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_1 [2022-11-18 20:09:05,800 INFO L130 BoogieDeclarations]: Found specification of procedure eth_type_trans [2022-11-18 20:09:05,801 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_type_trans [2022-11-18 20:09:05,801 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-18 20:09:05,801 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-18 20:09:05,801 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_change_mtu [2022-11-18 20:09:05,801 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_change_mtu [2022-11-18 20:09:05,801 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_fix_features [2022-11-18 20:09:05,802 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_fix_features [2022-11-18 20:09:05,802 INFO L130 BoogieDeclarations]: Found specification of procedure ql_adapter_down [2022-11-18 20:09:05,802 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_adapter_down [2022-11-18 20:09:05,802 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-11-18 20:09:05,802 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-11-18 20:09:05,803 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2022-11-18 20:09:05,803 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2022-11-18 20:09:05,803 INFO L130 BoogieDeclarations]: Found specification of procedure ql_queue_fw_error [2022-11-18 20:09:05,803 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_queue_fw_error [2022-11-18 20:09:05,803 INFO L130 BoogieDeclarations]: Found specification of procedure ql_unmap_send [2022-11-18 20:09:05,803 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_unmap_send [2022-11-18 20:09:05,804 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2022-11-18 20:09:05,804 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2022-11-18 20:09:05,804 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mpi_handler [2022-11-18 20:09:05,804 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mpi_handler [2022-11-18 20:09:05,804 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_xgmac_reg64 [2022-11-18 20:09:05,805 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_xgmac_reg64 [2022-11-18 20:09:05,805 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2022-11-18 20:09:05,805 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2022-11-18 20:09:05,805 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mb_set_mgmnt_traffic_ctl [2022-11-18 20:09:05,805 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mb_set_mgmnt_traffic_ctl [2022-11-18 20:09:05,805 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_other_func_reg [2022-11-18 20:09:05,806 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_other_func_reg [2022-11-18 20:09:05,806 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2022-11-18 20:09:05,806 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2022-11-18 20:09:05,806 INFO L130 BoogieDeclarations]: Found specification of procedure ql_wait_reg_rdy [2022-11-18 20:09:05,806 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_wait_reg_rdy [2022-11-18 20:09:05,807 INFO L130 BoogieDeclarations]: Found specification of procedure ql_set_routing_reg [2022-11-18 20:09:05,807 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_set_routing_reg [2022-11-18 20:09:05,807 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2022-11-18 20:09:05,807 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2022-11-18 20:09:05,807 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2022-11-18 20:09:05,807 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2022-11-18 20:09:05,808 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mpi_work [2022-11-18 20:09:05,808 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mpi_work [2022-11-18 20:09:05,808 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mb_set_led_cfg [2022-11-18 20:09:05,808 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mb_set_led_cfg [2022-11-18 20:09:05,808 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_resume_early_9 [2022-11-18 20:09:05,809 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_resume_early_9 [2022-11-18 20:09:05,809 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_all_6 [2022-11-18 20:09:05,809 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_all_6 [2022-11-18 20:09:05,809 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_cfg [2022-11-18 20:09:05,809 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_cfg [2022-11-18 20:09:05,809 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_mac_addr_reg [2022-11-18 20:09:05,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_mac_addr_reg [2022-11-18 20:09:05,810 INFO L130 BoogieDeclarations]: Found specification of procedure ql_lbq_block_size [2022-11-18 20:09:05,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_lbq_block_size [2022-11-18 20:09:05,810 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2022-11-18 20:09:05,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2022-11-18 20:09:05,811 INFO L130 BoogieDeclarations]: Found specification of procedure ql_own_firmware [2022-11-18 20:09:05,811 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_own_firmware [2022-11-18 20:09:05,811 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2022-11-18 20:09:05,811 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2022-11-18 20:09:05,811 INFO L130 BoogieDeclarations]: Found specification of procedure netif_get_num_default_rss_queues [2022-11-18 20:09:05,812 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_get_num_default_rss_queues [2022-11-18 20:09:05,812 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_curr_lchunk [2022-11-18 20:09:05,812 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_curr_lchunk [2022-11-18 20:09:05,812 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_ets_regs [2022-11-18 20:09:05,812 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_ets_regs [2022-11-18 20:09:05,812 INFO L130 BoogieDeclarations]: Found specification of procedure ql_wait_cfg [2022-11-18 20:09:05,813 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_wait_cfg [2022-11-18 20:09:05,813 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2022-11-18 20:09:05,813 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2022-11-18 20:09:05,813 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-11-18 20:09:05,813 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-11-18 20:09:05,814 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mpi_reset_work [2022-11-18 20:09:05,814 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mpi_reset_work [2022-11-18 20:09:05,814 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-18 20:09:05,814 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read32 [2022-11-18 20:09:05,814 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read32 [2022-11-18 20:09:05,815 INFO L130 BoogieDeclarations]: Found specification of procedure ql_set_mac_addr [2022-11-18 20:09:05,815 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_set_mac_addr [2022-11-18 20:09:05,815 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_intr_states [2022-11-18 20:09:05,815 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_intr_states [2022-11-18 20:09:05,815 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_sync_single_for_device [2022-11-18 20:09:05,816 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_sync_single_for_device [2022-11-18 20:09:05,816 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_resume [2022-11-18 20:09:05,816 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_resume [2022-11-18 20:09:05,816 INFO L130 BoogieDeclarations]: Found specification of procedure ql_core_dump [2022-11-18 20:09:05,816 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_core_dump [2022-11-18 20:09:08,027 INFO L235 CfgBuilder]: Building ICFG [2022-11-18 20:09:08,035 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-18 20:09:08,221 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-18 20:09:36,354 INFO L276 CfgBuilder]: Performing block encoding [2022-11-18 20:09:36,388 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-18 20:09:36,388 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-18 20:09:36,396 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:09:36 BoogieIcfgContainer [2022-11-18 20:09:36,396 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-18 20:09:36,399 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-18 20:09:36,399 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-18 20:09:36,403 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-18 20:09:36,404 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 08:08:54" (1/3) ... [2022-11-18 20:09:36,404 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ec580f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 08:09:36, skipping insertion in model container [2022-11-18 20:09:36,405 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:09:03" (2/3) ... [2022-11-18 20:09:36,405 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ec580f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 08:09:36, skipping insertion in model container [2022-11-18 20:09:36,405 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:09:36" (3/3) ... [2022-11-18 20:09:36,407 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--qlogic--qlge--qlge.ko-entry_point.cil.out.i [2022-11-18 20:09:36,429 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-18 20:09:36,429 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-18 20:09:36,593 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-18 20:09:36,602 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=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@a460eeb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-18 20:09:36,602 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-18 20:09:36,627 INFO L276 IsEmpty]: Start isEmpty. Operand has 5308 states, 3766 states have (on average 1.3887413701540097) internal successors, (5230), 3854 states have internal predecessors, (5230), 1292 states have call successors, (1292), 249 states have call predecessors, (1292), 248 states have return successors, (1276), 1262 states have call predecessors, (1276), 1276 states have call successors, (1276) [2022-11-18 20:09:36,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2022-11-18 20:09:36,711 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:09:36,713 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:09:36,713 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:09:36,722 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:09:36,723 INFO L85 PathProgramCache]: Analyzing trace with hash 1681142863, now seen corresponding path program 1 times [2022-11-18 20:09:36,733 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:09:36,736 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [604579424] [2022-11-18 20:09:36,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:09:36,737 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:09:37,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:09:38,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 20:09:38,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:09:38,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:09:38,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:09:38,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:09:38,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:09:38,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-18 20:09:38,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:09:38,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:09:38,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:09:38,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:09:38,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:09:38,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-18 20:09:38,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:09:38,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:09:38,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:09:38,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:09:38,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:09:38,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-11-18 20:09:38,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:09:38,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:09:38,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:09:38,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-11-18 20:09:38,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:09:38,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:09:38,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:09:38,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-11-18 20:09:38,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:09:38,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:09:38,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:09:38,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-11-18 20:09:38,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:09:38,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:09:38,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:09:38,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-11-18 20:09:38,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:09:38,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:09:38,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:09:38,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-11-18 20:09:38,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:09:39,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:09:39,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:09:39,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-11-18 20:09:39,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:09:39,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:09:39,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:09:39,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-11-18 20:09:39,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:09:39,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:09:39,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:09:39,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-11-18 20:09:39,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:09:39,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:09:39,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:09:39,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2022-11-18 20:09:39,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:09:39,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-11-18 20:09:39,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:09:39,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:09:39,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:09:39,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:09:39,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:09:39,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:09:39,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:09:39,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2022-11-18 20:09:39,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:09:39,413 INFO L134 CoverageAnalysis]: Checked inductivity of 366 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 366 trivial. 0 not checked. [2022-11-18 20:09:39,414 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:09:39,414 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [604579424] [2022-11-18 20:09:39,415 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [604579424] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:09:39,415 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:09:39,415 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-18 20:09:39,417 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [23615548] [2022-11-18 20:09:39,418 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:09:39,430 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 20:09:39,430 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:09:39,480 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 20:09:39,480 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2022-11-18 20:09:39,495 INFO L87 Difference]: Start difference. First operand has 5308 states, 3766 states have (on average 1.3887413701540097) internal successors, (5230), 3854 states have internal predecessors, (5230), 1292 states have call successors, (1292), 249 states have call predecessors, (1292), 248 states have return successors, (1276), 1262 states have call predecessors, (1276), 1276 states have call successors, (1276) Second operand has 6 states, 6 states have (on average 15.666666666666666) internal successors, (94), 2 states have internal predecessors, (94), 2 states have call successors, (24), 6 states have call predecessors, (24), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-11-18 20:10:05,409 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:10:07,419 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:10:09,430 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:10:11,454 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:10:13,466 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:10:15,470 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:10:17,498 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:10:19,520 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:10:22,512 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:10:24,519 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:10:26,547 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:10:44,318 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:10:44,318 INFO L93 Difference]: Finished difference Result 11692 states and 17908 transitions. [2022-11-18 20:10:44,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-18 20:10:44,321 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 15.666666666666666) internal successors, (94), 2 states have internal predecessors, (94), 2 states have call successors, (24), 6 states have call predecessors, (24), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 229 [2022-11-18 20:10:44,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:10:44,426 INFO L225 Difference]: With dead ends: 11692 [2022-11-18 20:10:44,427 INFO L226 Difference]: Without dead ends: 6352 [2022-11-18 20:10:44,483 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=20, Invalid=22, Unknown=0, NotChecked=0, Total=42 [2022-11-18 20:10:44,487 INFO L413 NwaCegarLoop]: 5807 mSDtfsCounter, 6129 mSDsluCounter, 9141 mSDsCounter, 0 mSdLazyCounter, 8555 mSolverCounterSat, 5272 mSolverCounterUnsat, 11 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 58.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6556 SdHoareTripleChecker+Valid, 14948 SdHoareTripleChecker+Invalid, 13838 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.3s SdHoareTripleChecker+Time, 5272 IncrementalHoareTripleChecker+Valid, 8555 IncrementalHoareTripleChecker+Invalid, 11 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 63.1s IncrementalHoareTripleChecker+Time [2022-11-18 20:10:44,489 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6556 Valid, 14948 Invalid, 13838 Unknown, 0 Unchecked, 0.3s Time], IncrementalHoareTripleChecker [5272 Valid, 8555 Invalid, 11 Unknown, 0 Unchecked, 63.1s Time] [2022-11-18 20:10:44,528 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6352 states. [2022-11-18 20:10:45,128 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6352 to 5272. [2022-11-18 20:10:45,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5272 states, 3748 states have (on average 1.3786019210245464) internal successors, (5167), 3818 states have internal predecessors, (5167), 1276 states have call successors, (1276), 248 states have call predecessors, (1276), 247 states have return successors, (1274), 1260 states have call predecessors, (1274), 1274 states have call successors, (1274) [2022-11-18 20:10:45,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5272 states to 5272 states and 7717 transitions. [2022-11-18 20:10:45,216 INFO L78 Accepts]: Start accepts. Automaton has 5272 states and 7717 transitions. Word has length 229 [2022-11-18 20:10:45,217 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:10:45,217 INFO L495 AbstractCegarLoop]: Abstraction has 5272 states and 7717 transitions. [2022-11-18 20:10:45,217 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 15.666666666666666) internal successors, (94), 2 states have internal predecessors, (94), 2 states have call successors, (24), 6 states have call predecessors, (24), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-11-18 20:10:45,218 INFO L276 IsEmpty]: Start isEmpty. Operand 5272 states and 7717 transitions. [2022-11-18 20:10:45,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2022-11-18 20:10:45,240 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:10:45,241 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:10:45,242 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-18 20:10:45,242 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:10:45,243 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:10:45,243 INFO L85 PathProgramCache]: Analyzing trace with hash 1747741449, now seen corresponding path program 1 times [2022-11-18 20:10:45,243 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:10:45,243 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1480621166] [2022-11-18 20:10:45,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:10:45,244 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:10:45,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:10:46,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 20:10:46,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:10:46,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:10:46,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:10:46,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:10:46,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:10:46,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-18 20:10:46,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:10:46,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:10:46,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:10:46,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:10:46,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:10:46,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-18 20:10:46,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:10:46,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:10:46,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:10:46,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:10:46,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:10:46,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-11-18 20:10:46,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:10:46,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:10:46,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:10:46,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-11-18 20:10:46,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:10:46,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:10:46,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:10:46,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-11-18 20:10:46,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:10:46,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:10:46,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:10:46,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-11-18 20:10:46,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:10:46,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:10:46,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:10:46,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-11-18 20:10:46,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:10:46,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:10:46,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:10:46,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-11-18 20:10:46,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:10:46,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:10:46,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:10:46,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-11-18 20:10:46,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:10:46,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:10:46,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:10:46,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-11-18 20:10:46,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:10:46,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:10:46,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:10:46,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-11-18 20:10:46,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:10:46,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:10:46,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:10:46,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2022-11-18 20:10:46,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:10:47,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-11-18 20:10:47,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:10:47,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:10:47,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:10:47,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:10:47,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:10:47,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:10:47,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:10:47,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2022-11-18 20:10:47,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:10:47,171 INFO L134 CoverageAnalysis]: Checked inductivity of 366 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 366 trivial. 0 not checked. [2022-11-18 20:10:47,171 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:10:47,172 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1480621166] [2022-11-18 20:10:47,172 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1480621166] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:10:47,172 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:10:47,172 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-18 20:10:47,173 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [198606355] [2022-11-18 20:10:47,173 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:10:47,175 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-18 20:10:47,175 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:10:47,176 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-18 20:10:47,176 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2022-11-18 20:10:47,176 INFO L87 Difference]: Start difference. First operand 5272 states and 7717 transitions. Second operand has 7 states, 7 states have (on average 13.428571428571429) internal successors, (94), 3 states have internal predecessors, (94), 2 states have call successors, (24), 6 states have call predecessors, (24), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-11-18 20:11:20,919 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:11:22,940 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:11:24,969 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:11:27,015 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:11:29,051 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:11:31,760 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.92s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:11:33,656 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.90s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:11:36,387 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:11:38,406 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:11:39,726 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:11:42,417 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.88s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:12:05,183 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:12:05,183 INFO L93 Difference]: Finished difference Result 17544 states and 26416 transitions. [2022-11-18 20:12:05,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-18 20:12:05,184 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.428571428571429) internal successors, (94), 3 states have internal predecessors, (94), 2 states have call successors, (24), 6 states have call predecessors, (24), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 229 [2022-11-18 20:12:05,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:12:05,285 INFO L225 Difference]: With dead ends: 17544 [2022-11-18 20:12:05,285 INFO L226 Difference]: Without dead ends: 12305 [2022-11-18 20:12:05,313 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2022-11-18 20:12:05,314 INFO L413 NwaCegarLoop]: 7225 mSDtfsCounter, 18445 mSDsluCounter, 9222 mSDsCounter, 0 mSdLazyCounter, 10885 mSolverCounterSat, 11492 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 70.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19551 SdHoareTripleChecker+Valid, 16447 SdHoareTripleChecker+Invalid, 22384 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.3s SdHoareTripleChecker+Time, 11492 IncrementalHoareTripleChecker+Valid, 10885 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 75.7s IncrementalHoareTripleChecker+Time [2022-11-18 20:12:05,315 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [19551 Valid, 16447 Invalid, 22384 Unknown, 0 Unchecked, 0.3s Time], IncrementalHoareTripleChecker [11492 Valid, 10885 Invalid, 7 Unknown, 0 Unchecked, 75.7s Time] [2022-11-18 20:12:05,334 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12305 states. [2022-11-18 20:12:06,174 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12305 to 10183. [2022-11-18 20:12:06,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10183 states, 7240 states have (on average 1.3785911602209944) internal successors, (9981), 7384 states have internal predecessors, (9981), 2457 states have call successors, (2457), 487 states have call predecessors, (2457), 485 states have return successors, (2455), 2421 states have call predecessors, (2455), 2455 states have call successors, (2455) [2022-11-18 20:12:06,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10183 states to 10183 states and 14893 transitions. [2022-11-18 20:12:06,263 INFO L78 Accepts]: Start accepts. Automaton has 10183 states and 14893 transitions. Word has length 229 [2022-11-18 20:12:06,264 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:12:06,264 INFO L495 AbstractCegarLoop]: Abstraction has 10183 states and 14893 transitions. [2022-11-18 20:12:06,266 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.428571428571429) internal successors, (94), 3 states have internal predecessors, (94), 2 states have call successors, (24), 6 states have call predecessors, (24), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-11-18 20:12:06,266 INFO L276 IsEmpty]: Start isEmpty. Operand 10183 states and 14893 transitions. [2022-11-18 20:12:06,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2022-11-18 20:12:06,279 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:12:06,279 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:12:06,280 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-18 20:12:06,280 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:12:06,281 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:12:06,281 INFO L85 PathProgramCache]: Analyzing trace with hash 1729449603, now seen corresponding path program 1 times [2022-11-18 20:12:06,281 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:12:06,281 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [692794728] [2022-11-18 20:12:06,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:12:06,282 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:12:06,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:12:07,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 20:12:07,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:12:07,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:12:07,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:12:07,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:12:07,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:12:07,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-18 20:12:07,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:12:07,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:12:07,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:12:07,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:12:07,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:12:07,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-18 20:12:07,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:12:07,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:12:07,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:12:07,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:12:07,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:12:07,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-11-18 20:12:07,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:12:07,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:12:07,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:12:07,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-11-18 20:12:07,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:12:07,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:12:07,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:12:07,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-11-18 20:12:07,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:12:07,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:12:07,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:12:07,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-11-18 20:12:07,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:12:07,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:12:07,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:12:07,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-11-18 20:12:07,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:12:07,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:12:07,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:12:07,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-11-18 20:12:07,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:12:07,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:12:07,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:12:07,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-11-18 20:12:07,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:12:07,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:12:07,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:12:07,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-11-18 20:12:07,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:12:07,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:12:07,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:12:07,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-11-18 20:12:07,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:12:07,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:12:07,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:12:07,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2022-11-18 20:12:07,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:12:07,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2022-11-18 20:12:07,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:12:07,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2022-11-18 20:12:07,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:12:07,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:12:07,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:12:07,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2022-11-18 20:12:07,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:12:07,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2022-11-18 20:12:07,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:12:07,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:12:07,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:12:07,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:12:07,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:12:07,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:12:07,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:12:07,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2022-11-18 20:12:07,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:12:07,978 INFO L134 CoverageAnalysis]: Checked inductivity of 369 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 369 trivial. 0 not checked. [2022-11-18 20:12:07,978 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:12:07,979 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [692794728] [2022-11-18 20:12:07,979 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [692794728] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:12:07,979 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:12:07,979 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-18 20:12:07,980 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [771719865] [2022-11-18 20:12:07,980 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:12:07,981 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-18 20:12:07,981 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:12:07,982 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-18 20:12:07,983 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2022-11-18 20:12:07,983 INFO L87 Difference]: Start difference. First operand 10183 states and 14893 transitions. Second operand has 7 states, 7 states have (on average 15.857142857142858) internal successors, (111), 3 states have internal predecessors, (111), 2 states have call successors, (28), 6 states have call predecessors, (28), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2022-11-18 20:12:43,753 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:12:45,783 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:12:47,800 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:12:49,822 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:12:52,242 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.91s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:12:54,253 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:12:56,271 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:13:18,199 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:13:20,228 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:13:22,252 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:13:24,293 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:13:26,147 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.84s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:13:28,170 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:13:51,900 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:13:51,900 INFO L93 Difference]: Finished difference Result 34371 states and 51716 transitions. [2022-11-18 20:13:51,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-18 20:13:51,901 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 15.857142857142858) internal successors, (111), 3 states have internal predecessors, (111), 2 states have call successors, (28), 6 states have call predecessors, (28), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 256 [2022-11-18 20:13:51,902 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:13:52,090 INFO L225 Difference]: With dead ends: 34371 [2022-11-18 20:13:52,090 INFO L226 Difference]: Without dead ends: 24221 [2022-11-18 20:13:52,153 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2022-11-18 20:13:52,154 INFO L413 NwaCegarLoop]: 6648 mSDtfsCounter, 13020 mSDsluCounter, 13791 mSDsCounter, 0 mSdLazyCounter, 16214 mSolverCounterSat, 5004 mSolverCounterUnsat, 11 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 95.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14163 SdHoareTripleChecker+Valid, 20439 SdHoareTripleChecker+Invalid, 21229 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.3s SdHoareTripleChecker+Time, 5004 IncrementalHoareTripleChecker+Valid, 16214 IncrementalHoareTripleChecker+Invalid, 11 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 100.8s IncrementalHoareTripleChecker+Time [2022-11-18 20:13:52,154 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14163 Valid, 20439 Invalid, 21229 Unknown, 0 Unchecked, 0.3s Time], IncrementalHoareTripleChecker [5004 Valid, 16214 Invalid, 11 Unknown, 0 Unchecked, 100.8s Time] [2022-11-18 20:13:52,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24221 states. [2022-11-18 20:13:54,024 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24221 to 20049. [2022-11-18 20:13:54,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20049 states, 14280 states have (on average 1.3794117647058823) internal successors, (19698), 14565 states have internal predecessors, (19698), 4806 states have call successors, (4806), 965 states have call predecessors, (4806), 962 states have return successors, (4804), 4734 states have call predecessors, (4804), 4804 states have call successors, (4804) [2022-11-18 20:13:54,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20049 states to 20049 states and 29308 transitions. [2022-11-18 20:13:54,397 INFO L78 Accepts]: Start accepts. Automaton has 20049 states and 29308 transitions. Word has length 256 [2022-11-18 20:13:54,399 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:13:54,399 INFO L495 AbstractCegarLoop]: Abstraction has 20049 states and 29308 transitions. [2022-11-18 20:13:54,399 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 15.857142857142858) internal successors, (111), 3 states have internal predecessors, (111), 2 states have call successors, (28), 6 states have call predecessors, (28), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2022-11-18 20:13:54,399 INFO L276 IsEmpty]: Start isEmpty. Operand 20049 states and 29308 transitions. [2022-11-18 20:13:54,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 295 [2022-11-18 20:13:54,420 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:13:54,421 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 9, 9, 9, 9, 9, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:13:54,421 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-18 20:13:54,421 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:13:54,422 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:13:54,422 INFO L85 PathProgramCache]: Analyzing trace with hash 2036827647, now seen corresponding path program 1 times [2022-11-18 20:13:54,422 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:13:54,422 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [861135976] [2022-11-18 20:13:54,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:13:54,423 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:13:54,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:13:55,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 20:13:55,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:13:55,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:13:55,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:13:55,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:13:55,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:13:55,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-18 20:13:55,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:13:55,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:13:55,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:13:55,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:13:55,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:13:55,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-18 20:13:55,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:13:55,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:13:55,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:13:55,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:13:55,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:13:55,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-11-18 20:13:55,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:13:55,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:13:55,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:13:55,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-11-18 20:13:55,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:13:55,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:13:55,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:13:55,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-11-18 20:13:55,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:13:55,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:13:55,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:13:55,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-11-18 20:13:55,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:13:55,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:13:55,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:13:55,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-11-18 20:13:55,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:13:55,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:13:55,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:13:55,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-11-18 20:13:55,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:13:55,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:13:55,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:13:55,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-11-18 20:13:55,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:13:55,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:13:55,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:13:55,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-11-18 20:13:55,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:13:55,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:13:55,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:13:55,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-11-18 20:13:55,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:13:55,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:13:55,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:13:55,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2022-11-18 20:13:55,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:13:55,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-11-18 20:13:55,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:13:55,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2022-11-18 20:13:55,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:13:55,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2022-11-18 20:13:55,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:13:55,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2022-11-18 20:13:55,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:13:55,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2022-11-18 20:13:55,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:13:55,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2022-11-18 20:13:55,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:13:55,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2022-11-18 20:13:55,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:13:55,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2022-11-18 20:13:55,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:13:55,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2022-11-18 20:13:55,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:13:56,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2022-11-18 20:13:56,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:13:56,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:13:56,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:13:56,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2022-11-18 20:13:56,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:13:56,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:13:56,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:13:56,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2022-11-18 20:13:56,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:13:56,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2022-11-18 20:13:56,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:13:56,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2022-11-18 20:13:56,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:13:56,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2022-11-18 20:13:56,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:13:56,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2022-11-18 20:13:56,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:13:56,118 INFO L134 CoverageAnalysis]: Checked inductivity of 432 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 432 trivial. 0 not checked. [2022-11-18 20:13:56,118 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:13:56,118 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [861135976] [2022-11-18 20:13:56,118 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [861135976] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:13:56,118 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:13:56,119 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-18 20:13:56,119 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1341477397] [2022-11-18 20:13:56,119 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:13:56,120 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-18 20:13:56,120 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:13:56,121 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-18 20:13:56,121 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-11-18 20:13:56,122 INFO L87 Difference]: Start difference. First operand 20049 states and 29308 transitions. Second operand has 7 states, 7 states have (on average 16.285714285714285) internal successors, (114), 3 states have internal predecessors, (114), 2 states have call successors, (34), 6 states have call predecessors, (34), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2022-11-18 20:14:27,855 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:14:29,873 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:14:31,894 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:14:32,917 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.00s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:14:34,924 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:14:36,946 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:14:38,953 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:15:08,918 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.27s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:15:09,043 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:15:09,043 INFO L93 Difference]: Finished difference Result 72154 states and 109158 transitions. [2022-11-18 20:15:09,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-18 20:15:09,044 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 16.285714285714285) internal successors, (114), 3 states have internal predecessors, (114), 2 states have call successors, (34), 6 states have call predecessors, (34), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) Word has length 294 [2022-11-18 20:15:09,045 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:15:09,432 INFO L225 Difference]: With dead ends: 72154 [2022-11-18 20:15:09,432 INFO L226 Difference]: Without dead ends: 52138 [2022-11-18 20:15:09,539 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2022-11-18 20:15:09,544 INFO L413 NwaCegarLoop]: 8973 mSDtfsCounter, 19482 mSDsluCounter, 15612 mSDsCounter, 0 mSdLazyCounter, 15661 mSolverCounterSat, 12186 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 61.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20582 SdHoareTripleChecker+Valid, 24585 SdHoareTripleChecker+Invalid, 27853 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.3s SdHoareTripleChecker+Time, 12186 IncrementalHoareTripleChecker+Valid, 15661 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 67.6s IncrementalHoareTripleChecker+Time [2022-11-18 20:15:09,545 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [20582 Valid, 24585 Invalid, 27853 Unknown, 0 Unchecked, 0.3s Time], IncrementalHoareTripleChecker [12186 Valid, 15661 Invalid, 6 Unknown, 0 Unchecked, 67.6s Time] [2022-11-18 20:15:09,611 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52138 states. [2022-11-18 20:15:13,412 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52138 to 39647. [2022-11-18 20:15:13,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39647 states, 28322 states have (on average 1.3806228373702423) internal successors, (39102), 28901 states have internal predecessors, (39102), 9380 states have call successors, (9380), 1843 states have call predecessors, (9380), 1944 states have return successors, (9902), 9322 states have call predecessors, (9902), 9378 states have call successors, (9902) [2022-11-18 20:15:13,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39647 states to 39647 states and 58384 transitions. [2022-11-18 20:15:13,743 INFO L78 Accepts]: Start accepts. Automaton has 39647 states and 58384 transitions. Word has length 294 [2022-11-18 20:15:13,743 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:15:13,744 INFO L495 AbstractCegarLoop]: Abstraction has 39647 states and 58384 transitions. [2022-11-18 20:15:13,744 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 16.285714285714285) internal successors, (114), 3 states have internal predecessors, (114), 2 states have call successors, (34), 6 states have call predecessors, (34), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2022-11-18 20:15:13,744 INFO L276 IsEmpty]: Start isEmpty. Operand 39647 states and 58384 transitions. [2022-11-18 20:15:13,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 333 [2022-11-18 20:15:13,790 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:15:13,791 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 9, 9, 9, 9, 9, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:15:13,791 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-18 20:15:13,791 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:15:13,792 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:15:13,792 INFO L85 PathProgramCache]: Analyzing trace with hash 301860083, now seen corresponding path program 1 times [2022-11-18 20:15:13,792 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:15:13,793 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1596942558] [2022-11-18 20:15:13,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:15:13,793 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:15:14,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:15:15,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 20:15:15,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:15:15,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:15:15,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:15:15,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:15:15,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:15:15,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-18 20:15:15,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:15:15,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:15:15,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:15:15,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:15:15,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:15:15,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-18 20:15:15,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:15:15,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:15:15,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:15:15,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:15:15,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:15:15,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-11-18 20:15:15,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:15:15,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:15:15,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:15:15,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-11-18 20:15:15,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:15:15,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:15:15,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:15:15,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-11-18 20:15:15,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:15:15,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:15:15,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:15:15,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-11-18 20:15:15,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:15:15,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:15:15,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:15:15,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-11-18 20:15:15,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:15:15,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:15:15,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:15:15,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-11-18 20:15:15,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:15:15,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:15:15,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:15:15,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-11-18 20:15:15,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:15:15,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:15:15,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:15:15,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-11-18 20:15:15,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:15:15,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:15:15,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:15:15,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-11-18 20:15:15,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:15:15,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:15:15,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:15:15,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-11-18 20:15:15,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:15:15,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:15:15,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:15:15,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:15:15,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:15:15,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2022-11-18 20:15:15,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:15:15,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2022-11-18 20:15:15,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:15:15,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-11-18 20:15:15,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:15:15,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2022-11-18 20:15:15,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:15:15,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2022-11-18 20:15:15,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:15:15,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2022-11-18 20:15:15,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:15:15,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2022-11-18 20:15:15,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:15:15,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2022-11-18 20:15:15,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:15:15,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2022-11-18 20:15:15,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:15:15,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2022-11-18 20:15:15,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:15:15,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2022-11-18 20:15:15,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:15:15,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:15:15,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:15:15,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2022-11-18 20:15:15,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:15:15,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:15:15,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:15:15,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 299 [2022-11-18 20:15:15,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:15:15,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2022-11-18 20:15:15,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:15:15,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2022-11-18 20:15:15,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:15:15,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 319 [2022-11-18 20:15:15,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:15:15,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2022-11-18 20:15:15,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:15:15,946 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 474 trivial. 0 not checked. [2022-11-18 20:15:15,946 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:15:15,946 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1596942558] [2022-11-18 20:15:15,946 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1596942558] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:15:15,947 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:15:15,947 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-18 20:15:15,947 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1012783270] [2022-11-18 20:15:15,947 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:15:15,949 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-18 20:15:15,949 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:15:15,950 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-18 20:15:15,950 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-11-18 20:15:15,950 INFO L87 Difference]: Start difference. First operand 39647 states and 58384 transitions. Second operand has 7 states, 7 states have (on average 19.571428571428573) internal successors, (137), 3 states have internal predecessors, (137), 2 states have call successors, (35), 6 states have call predecessors, (35), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2022-11-18 20:15:39,577 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:15:41,589 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:15:43,614 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:15:45,635 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:15:47,854 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:15:50,051 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.78s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:16:10,061 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.66s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:16:17,588 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:16:17,588 INFO L93 Difference]: Finished difference Result 103852 states and 155974 transitions. [2022-11-18 20:16:17,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-18 20:16:17,589 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 19.571428571428573) internal successors, (137), 3 states have internal predecessors, (137), 2 states have call successors, (35), 6 states have call predecessors, (35), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) Word has length 332 [2022-11-18 20:16:17,589 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:16:17,967 INFO L225 Difference]: With dead ends: 103852 [2022-11-18 20:16:17,967 INFO L226 Difference]: Without dead ends: 64238 [2022-11-18 20:16:18,139 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2022-11-18 20:16:18,140 INFO L413 NwaCegarLoop]: 6197 mSDtfsCounter, 16767 mSDsluCounter, 11059 mSDsCounter, 0 mSdLazyCounter, 12618 mSolverCounterSat, 8247 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 51.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17775 SdHoareTripleChecker+Valid, 17256 SdHoareTripleChecker+Invalid, 20868 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 8247 IncrementalHoareTripleChecker+Valid, 12618 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 55.4s IncrementalHoareTripleChecker+Time [2022-11-18 20:16:18,140 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [17775 Valid, 17256 Invalid, 20868 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [8247 Valid, 12618 Invalid, 3 Unknown, 0 Unchecked, 55.4s Time] [2022-11-18 20:16:18,207 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64238 states. [2022-11-18 20:16:21,900 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64238 to 47915. [2022-11-18 20:16:21,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47915 states, 34262 states have (on average 1.37534294553733) internal successors, (47122), 34957 states have internal predecessors, (47122), 11180 states have call successors, (11180), 2371 states have call predecessors, (11180), 2472 states have return successors, (11490), 11102 states have call predecessors, (11490), 11178 states have call successors, (11490) [2022-11-18 20:16:22,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47915 states to 47915 states and 69792 transitions. [2022-11-18 20:16:22,457 INFO L78 Accepts]: Start accepts. Automaton has 47915 states and 69792 transitions. Word has length 332 [2022-11-18 20:16:22,467 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:16:22,467 INFO L495 AbstractCegarLoop]: Abstraction has 47915 states and 69792 transitions. [2022-11-18 20:16:22,468 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 19.571428571428573) internal successors, (137), 3 states have internal predecessors, (137), 2 states have call successors, (35), 6 states have call predecessors, (35), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2022-11-18 20:16:22,468 INFO L276 IsEmpty]: Start isEmpty. Operand 47915 states and 69792 transitions. [2022-11-18 20:16:22,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 401 [2022-11-18 20:16:22,516 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:16:22,517 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:16:22,517 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-18 20:16:22,517 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:16:22,518 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:16:22,518 INFO L85 PathProgramCache]: Analyzing trace with hash -1820651728, now seen corresponding path program 1 times [2022-11-18 20:16:22,518 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:16:22,518 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [789995587] [2022-11-18 20:16:22,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:16:22,519 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:16:23,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:16:23,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 20:16:23,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:16:23,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:16:23,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:16:23,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:16:23,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:16:23,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-18 20:16:23,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:16:23,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:16:23,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:16:23,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:16:23,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:16:23,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-18 20:16:23,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:16:23,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:16:23,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:16:23,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:16:23,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:16:23,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-11-18 20:16:23,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:16:23,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:16:23,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:16:24,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-11-18 20:16:24,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:16:24,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:16:24,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:16:24,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-11-18 20:16:24,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:16:24,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:16:24,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:16:24,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-11-18 20:16:24,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:16:24,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:16:24,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:16:24,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-11-18 20:16:24,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:16:24,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:16:24,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:16:24,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-11-18 20:16:24,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:16:24,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:16:24,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:16:24,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-11-18 20:16:24,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:16:24,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:16:24,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:16:24,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-11-18 20:16:24,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:16:24,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:16:24,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:16:24,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-11-18 20:16:24,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:16:24,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:16:24,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:16:24,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-11-18 20:16:24,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:16:24,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:16:24,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:16:24,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:16:24,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:16:24,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2022-11-18 20:16:24,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:16:24,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:16:24,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:16:24,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:16:24,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:16:24,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2022-11-18 20:16:24,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:16:24,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2022-11-18 20:16:24,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:16:24,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:16:24,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:16:24,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:16:24,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:16:24,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2022-11-18 20:16:24,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:16:24,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:16:24,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:16:24,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:16:24,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:16:24,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2022-11-18 20:16:24,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:16:24,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:16:24,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:16:24,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:16:24,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:16:24,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-11-18 20:16:24,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:16:24,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:16:24,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:16:24,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:16:24,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:16:24,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2022-11-18 20:16:24,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:16:24,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:16:24,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:16:24,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:16:24,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:16:24,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 319 [2022-11-18 20:16:24,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:16:24,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2022-11-18 20:16:24,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:16:24,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2022-11-18 20:16:24,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:16:24,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:16:24,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:16:24,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2022-11-18 20:16:24,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:16:24,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2022-11-18 20:16:24,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:16:24,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:16:24,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:16:24,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:16:24,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:16:24,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:16:24,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:16:24,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2022-11-18 20:16:24,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:16:24,783 INFO L134 CoverageAnalysis]: Checked inductivity of 969 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 957 trivial. 0 not checked. [2022-11-18 20:16:24,784 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:16:24,784 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [789995587] [2022-11-18 20:16:24,784 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [789995587] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:16:24,784 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:16:24,784 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-18 20:16:24,785 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2055389881] [2022-11-18 20:16:24,785 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:16:24,786 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-18 20:16:24,786 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:16:24,787 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-18 20:16:24,787 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2022-11-18 20:16:24,787 INFO L87 Difference]: Start difference. First operand 47915 states and 69792 transitions. Second operand has 8 states, 8 states have (on average 18.5) internal successors, (148), 3 states have internal predecessors, (148), 3 states have call successors, (36), 7 states have call predecessors, (36), 1 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) [2022-11-18 20:17:13,470 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:17:15,479 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:17:17,489 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:17:19,498 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:17:21,518 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:17:23,565 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:17:26,229 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:17:27,683 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.45s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:17:29,351 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:17:30,608 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.26s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:17:32,619 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:17:34,530 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.91s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:17:36,192 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.66s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:17:38,202 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:17:45,147 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:17:47,154 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:17:49,162 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:17:51,171 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:17:53,179 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:17:55,219 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:17:56,682 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.46s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:17:58,669 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.99s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:17:59,815 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:18:01,632 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:18:03,276 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.64s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:18:04,612 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:18:06,621 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:18:40,903 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:18:44,003 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:18:44,003 INFO L93 Difference]: Finished difference Result 139715 states and 210062 transitions. [2022-11-18 20:18:44,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-18 20:18:44,004 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 18.5) internal successors, (148), 3 states have internal predecessors, (148), 3 states have call successors, (36), 7 states have call predecessors, (36), 1 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) Word has length 400 [2022-11-18 20:18:44,005 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:18:44,769 INFO L225 Difference]: With dead ends: 139715 [2022-11-18 20:18:44,769 INFO L226 Difference]: Without dead ends: 91833 [2022-11-18 20:18:44,987 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 118 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=58, Invalid=98, Unknown=0, NotChecked=0, Total=156 [2022-11-18 20:18:44,988 INFO L413 NwaCegarLoop]: 11154 mSDtfsCounter, 13624 mSDsluCounter, 25204 mSDsCounter, 0 mSdLazyCounter, 26429 mSolverCounterSat, 7352 mSolverCounterUnsat, 16 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 122.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15157 SdHoareTripleChecker+Valid, 36358 SdHoareTripleChecker+Invalid, 33797 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.4s SdHoareTripleChecker+Time, 7352 IncrementalHoareTripleChecker+Valid, 26429 IncrementalHoareTripleChecker+Invalid, 16 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 130.1s IncrementalHoareTripleChecker+Time [2022-11-18 20:18:44,988 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15157 Valid, 36358 Invalid, 33797 Unknown, 0 Unchecked, 0.4s Time], IncrementalHoareTripleChecker [7352 Valid, 26429 Invalid, 16 Unknown, 0 Unchecked, 130.1s Time] [2022-11-18 20:18:45,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91833 states. [2022-11-18 20:18:49,984 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91833 to 67088. [2022-11-18 20:18:50,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67088 states, 47935 states have (on average 1.3765098570981538) internal successors, (65983), 48896 states have internal predecessors, (65983), 15753 states have call successors, (15753), 3299 states have call predecessors, (15753), 3399 states have return successors, (16067), 15612 states have call predecessors, (16067), 15751 states have call successors, (16067) [2022-11-18 20:18:50,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67088 states to 67088 states and 97803 transitions. [2022-11-18 20:18:50,382 INFO L78 Accepts]: Start accepts. Automaton has 67088 states and 97803 transitions. Word has length 400 [2022-11-18 20:18:50,387 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:18:50,388 INFO L495 AbstractCegarLoop]: Abstraction has 67088 states and 97803 transitions. [2022-11-18 20:18:50,388 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 18.5) internal successors, (148), 3 states have internal predecessors, (148), 3 states have call successors, (36), 7 states have call predecessors, (36), 1 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) [2022-11-18 20:18:50,388 INFO L276 IsEmpty]: Start isEmpty. Operand 67088 states and 97803 transitions. [2022-11-18 20:18:50,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 476 [2022-11-18 20:18:50,795 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:18:50,796 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 15, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:18:50,796 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-18 20:18:50,796 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:18:50,797 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:18:50,797 INFO L85 PathProgramCache]: Analyzing trace with hash -1978595688, now seen corresponding path program 1 times [2022-11-18 20:18:50,797 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:18:50,797 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1440232833] [2022-11-18 20:18:50,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:18:50,798 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:18:51,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:18:51,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 20:18:51,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:18:51,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:18:51,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:18:51,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:18:51,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:18:51,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-18 20:18:51,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:18:51,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:18:51,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:18:51,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:18:51,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:18:51,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-18 20:18:51,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:18:51,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:18:51,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:18:51,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:18:51,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:18:51,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-11-18 20:18:51,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:18:51,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:18:51,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:18:51,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-11-18 20:18:51,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:18:51,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:18:51,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:18:51,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-11-18 20:18:51,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:18:51,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:18:51,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:18:52,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-11-18 20:18:52,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:18:52,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:18:52,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:18:52,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-11-18 20:18:52,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:18:52,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:18:52,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:18:52,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-11-18 20:18:52,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:18:52,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:18:52,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:18:52,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-11-18 20:18:52,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:18:52,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:18:52,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:18:52,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-11-18 20:18:52,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:18:52,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:18:52,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:18:52,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-11-18 20:18:52,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:18:52,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:18:52,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:18:52,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2022-11-18 20:18:52,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:18:52,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:18:52,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:18:52,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:18:52,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:18:52,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-11-18 20:18:52,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:18:52,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:18:52,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:18:52,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:18:52,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:18:52,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2022-11-18 20:18:52,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:18:52,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:18:52,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:18:52,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:18:52,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:18:52,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-11-18 20:18:52,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:18:52,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:18:52,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:18:52,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:18:52,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:18:52,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2022-11-18 20:18:52,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:18:52,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:18:52,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:18:52,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:18:52,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:18:52,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2022-11-18 20:18:52,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:18:52,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:18:52,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:18:52,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:18:52,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:18:52,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2022-11-18 20:18:52,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:18:52,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:18:52,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:18:52,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:18:52,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:18:52,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-11-18 20:18:52,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:18:52,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:18:52,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:18:52,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:18:52,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:18:52,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2022-11-18 20:18:52,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:18:52,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:18:52,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:18:52,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:18:52,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:18:52,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2022-11-18 20:18:52,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:18:52,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:18:52,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:18:52,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 321 [2022-11-18 20:18:52,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:18:52,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:18:52,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:18:52,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 332 [2022-11-18 20:18:52,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:18:52,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:18:52,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:18:52,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2022-11-18 20:18:52,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:18:52,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:18:52,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:18:52,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 368 [2022-11-18 20:18:52,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:18:52,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 373 [2022-11-18 20:18:52,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:18:52,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2022-11-18 20:18:52,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:18:52,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:18:52,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:18:52,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 390 [2022-11-18 20:18:52,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:18:52,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 396 [2022-11-18 20:18:52,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:18:52,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:18:52,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:18:52,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 407 [2022-11-18 20:18:52,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:18:52,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 412 [2022-11-18 20:18:52,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:18:52,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:18:52,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:18:52,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-18 20:18:52,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:18:52,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:18:52,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:18:52,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-18 20:18:52,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:18:52,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:18:52,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:18:52,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-11-18 20:18:52,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:18:52,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-11-18 20:18:52,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:18:52,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:18:52,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:18:52,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-18 20:18:52,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:18:52,961 INFO L134 CoverageAnalysis]: Checked inductivity of 1745 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1745 trivial. 0 not checked. [2022-11-18 20:18:52,961 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:18:52,962 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1440232833] [2022-11-18 20:18:52,962 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1440232833] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:18:52,962 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:18:52,962 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-18 20:18:52,962 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1637983484] [2022-11-18 20:18:52,962 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:18:52,964 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-18 20:18:52,964 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:18:52,964 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-18 20:18:52,965 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2022-11-18 20:18:52,965 INFO L87 Difference]: Start difference. First operand 67088 states and 97803 transitions. Second operand has 7 states, 7 states have (on average 18.428571428571427) internal successors, (129), 3 states have internal predecessors, (129), 2 states have call successors, (47), 6 states have call predecessors, (47), 1 states have return successors, (45), 2 states have call predecessors, (45), 2 states have call successors, (45) [2022-11-18 20:19:37,196 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:19:39,219 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:19:41,242 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:19:43,261 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:19:44,559 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.27s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:19:46,184 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.63s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:19:48,092 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.91s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:19:49,914 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.81s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:19:51,785 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.87s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:19:53,801 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:19:54,982 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:19:56,991 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:19:59,247 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:20:01,266 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:20:03,311 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:20:05,330 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:20:07,772 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.82s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:20:10,061 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.48s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:20:12,070 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:20:44,459 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:20:45,382 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:20:45,383 INFO L93 Difference]: Finished difference Result 214465 states and 319668 transitions. [2022-11-18 20:20:45,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-18 20:20:45,392 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 18.428571428571427) internal successors, (129), 3 states have internal predecessors, (129), 2 states have call successors, (47), 6 states have call predecessors, (47), 1 states have return successors, (45), 2 states have call predecessors, (45), 2 states have call successors, (45) Word has length 475 [2022-11-18 20:20:45,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:20:46,256 INFO L225 Difference]: With dead ends: 214465 [2022-11-18 20:20:46,256 INFO L226 Difference]: Without dead ends: 147410 [2022-11-18 20:20:46,695 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 169 GetRequests, 160 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2022-11-18 20:20:46,696 INFO L413 NwaCegarLoop]: 8508 mSDtfsCounter, 12622 mSDsluCounter, 18041 mSDsCounter, 0 mSdLazyCounter, 17720 mSolverCounterSat, 6688 mSolverCounterUnsat, 11 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 92.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13644 SdHoareTripleChecker+Valid, 26549 SdHoareTripleChecker+Invalid, 24419 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.3s SdHoareTripleChecker+Time, 6688 IncrementalHoareTripleChecker+Valid, 17720 IncrementalHoareTripleChecker+Invalid, 11 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 98.0s IncrementalHoareTripleChecker+Time [2022-11-18 20:20:46,696 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13644 Valid, 26549 Invalid, 24419 Unknown, 0 Unchecked, 0.3s Time], IncrementalHoareTripleChecker [6688 Valid, 17720 Invalid, 11 Unknown, 0 Unchecked, 98.0s Time] [2022-11-18 20:20:46,857 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147410 states. [2022-11-18 20:20:57,579 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147410 to 121999. [2022-11-18 20:20:57,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121999 states, 87203 states have (on average 1.3755375388461406) internal successors, (119951), 88886 states have internal predecessors, (119951), 28409 states have call successors, (28409), 6185 states have call predecessors, (28409), 6386 states have return successors, (29039), 28211 states have call predecessors, (29039), 28407 states have call successors, (29039) [2022-11-18 20:20:58,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121999 states to 121999 states and 177399 transitions. [2022-11-18 20:20:58,821 INFO L78 Accepts]: Start accepts. Automaton has 121999 states and 177399 transitions. Word has length 475 [2022-11-18 20:20:58,822 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:20:58,823 INFO L495 AbstractCegarLoop]: Abstraction has 121999 states and 177399 transitions. [2022-11-18 20:20:58,823 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 18.428571428571427) internal successors, (129), 3 states have internal predecessors, (129), 2 states have call successors, (47), 6 states have call predecessors, (47), 1 states have return successors, (45), 2 states have call predecessors, (45), 2 states have call successors, (45) [2022-11-18 20:20:58,823 INFO L276 IsEmpty]: Start isEmpty. Operand 121999 states and 177399 transitions. [2022-11-18 20:20:58,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 424 [2022-11-18 20:20:58,983 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:20:58,984 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:20:58,984 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-18 20:20:58,984 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:20:58,985 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:20:58,985 INFO L85 PathProgramCache]: Analyzing trace with hash -548324767, now seen corresponding path program 1 times [2022-11-18 20:20:58,985 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:20:58,986 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [201489153] [2022-11-18 20:20:58,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:20:58,986 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:20:59,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:21:00,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 20:21:00,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:21:00,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:21:00,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:21:00,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:21:00,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:21:00,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-18 20:21:00,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:21:00,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:21:00,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:21:00,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:21:00,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:21:00,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-18 20:21:00,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:21:00,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:21:00,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:21:00,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:21:00,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:21:00,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-11-18 20:21:00,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:21:00,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:21:00,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:21:00,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-11-18 20:21:00,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:21:00,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:21:00,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:21:00,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-11-18 20:21:00,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:21:00,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:21:00,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:21:00,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-11-18 20:21:00,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:21:00,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:21:00,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:21:00,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-11-18 20:21:00,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:21:00,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:21:00,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:21:00,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-11-18 20:21:00,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:21:00,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:21:00,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:21:00,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-11-18 20:21:00,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:21:00,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:21:00,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:21:00,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-11-18 20:21:00,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:21:00,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:21:00,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:21:00,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-11-18 20:21:00,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:21:00,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:21:00,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:21:00,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-11-18 20:21:00,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:21:00,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:21:00,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:21:00,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:21:00,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:21:00,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2022-11-18 20:21:00,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:21:00,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:21:00,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:21:00,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:21:00,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:21:01,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2022-11-18 20:21:01,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:21:01,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2022-11-18 20:21:01,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:21:01,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:21:01,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:21:01,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:21:01,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:21:01,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2022-11-18 20:21:01,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:21:01,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:21:01,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:21:01,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:21:01,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:21:01,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2022-11-18 20:21:01,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:21:01,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:21:01,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:21:01,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:21:01,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:21:01,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-11-18 20:21:01,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:21:01,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:21:01,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:21:01,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:21:01,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:21:01,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2022-11-18 20:21:01,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:21:01,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:21:01,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:21:01,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:21:01,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:21:01,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 342 [2022-11-18 20:21:01,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:21:01,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2022-11-18 20:21:01,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:21:01,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353 [2022-11-18 20:21:01,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:21:01,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:21:01,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:21:01,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2022-11-18 20:21:01,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:21:01,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 371 [2022-11-18 20:21:01,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:21:01,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:21:01,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:21:01,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:21:01,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:21:01,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:21:01,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:21:01,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 411 [2022-11-18 20:21:01,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:21:01,453 INFO L134 CoverageAnalysis]: Checked inductivity of 999 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 969 trivial. 0 not checked. [2022-11-18 20:21:01,454 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:21:01,454 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [201489153] [2022-11-18 20:21:01,454 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [201489153] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:21:01,454 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:21:01,455 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-18 20:21:01,455 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1815896729] [2022-11-18 20:21:01,455 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:21:01,456 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-18 20:21:01,456 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:21:01,456 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-18 20:21:01,457 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2022-11-18 20:21:01,457 INFO L87 Difference]: Start difference. First operand 121999 states and 177399 transitions. Second operand has 8 states, 8 states have (on average 20.0) internal successors, (160), 3 states have internal predecessors, (160), 2 states have call successors, (36), 7 states have call predecessors, (36), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2022-11-18 20:22:01,894 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:22:03,903 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:22:05,914 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:22:07,934 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:22:09,951 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:22:11,994 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:22:14,004 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:22:15,529 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.52s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []