./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--arcnet--capmode.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182cba71-a6f9-4c8f-90c7-ba23f54fafd7/bin/uautomizer-DrprNOufMa/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182cba71-a6f9-4c8f-90c7-ba23f54fafd7/bin/uautomizer-DrprNOufMa/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182cba71-a6f9-4c8f-90c7-ba23f54fafd7/bin/uautomizer-DrprNOufMa/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182cba71-a6f9-4c8f-90c7-ba23f54fafd7/bin/uautomizer-DrprNOufMa/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--arcnet--capmode.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182cba71-a6f9-4c8f-90c7-ba23f54fafd7/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182cba71-a6f9-4c8f-90c7-ba23f54fafd7/bin/uautomizer-DrprNOufMa --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 992626749f2e8ca84a93ad6fc64a197d6c8e66b412d995c24cf1e1136a1f2393 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-12-06 20:40:14,445 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-06 20:40:14,447 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-06 20:40:14,469 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-06 20:40:14,469 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-06 20:40:14,470 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-06 20:40:14,471 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-06 20:40:14,473 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-06 20:40:14,474 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-06 20:40:14,475 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-06 20:40:14,476 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-06 20:40:14,477 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-06 20:40:14,477 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-06 20:40:14,478 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-06 20:40:14,479 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-06 20:40:14,480 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-06 20:40:14,481 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-06 20:40:14,482 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-06 20:40:14,483 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-06 20:40:14,485 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-06 20:40:14,487 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-06 20:40:14,488 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-06 20:40:14,489 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-06 20:40:14,490 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-06 20:40:14,492 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-06 20:40:14,493 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-06 20:40:14,493 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-06 20:40:14,494 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-06 20:40:14,494 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-06 20:40:14,495 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-06 20:40:14,495 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-06 20:40:14,496 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-06 20:40:14,497 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-06 20:40:14,497 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-06 20:40:14,498 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-06 20:40:14,498 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-06 20:40:14,499 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-06 20:40:14,499 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-06 20:40:14,499 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-06 20:40:14,500 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-06 20:40:14,500 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-06 20:40:14,501 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182cba71-a6f9-4c8f-90c7-ba23f54fafd7/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-06 20:40:14,524 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-06 20:40:14,524 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-06 20:40:14,524 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-06 20:40:14,524 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-06 20:40:14,525 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-06 20:40:14,525 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-06 20:40:14,526 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-06 20:40:14,526 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-06 20:40:14,526 INFO L138 SettingsManager]: * Use SBE=true [2021-12-06 20:40:14,526 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-06 20:40:14,526 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-06 20:40:14,527 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-06 20:40:14,527 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-06 20:40:14,527 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-06 20:40:14,527 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-06 20:40:14,527 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-06 20:40:14,527 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-06 20:40:14,528 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-06 20:40:14,528 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-06 20:40:14,528 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-06 20:40:14,528 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-06 20:40:14,528 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 20:40:14,528 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-06 20:40:14,538 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-06 20:40:14,539 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-06 20:40:14,539 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-06 20:40:14,539 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-06 20:40:14,539 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-06 20:40:14,539 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-06 20:40:14,539 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-06 20:40:14,539 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-06 20:40:14,540 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_182cba71-a6f9-4c8f-90c7-ba23f54fafd7/bin/uautomizer-DrprNOufMa/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182cba71-a6f9-4c8f-90c7-ba23f54fafd7/bin/uautomizer-DrprNOufMa Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 992626749f2e8ca84a93ad6fc64a197d6c8e66b412d995c24cf1e1136a1f2393 [2021-12-06 20:40:14,725 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-06 20:40:14,742 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-06 20:40:14,744 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-06 20:40:14,745 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-06 20:40:14,745 INFO L275 PluginConnector]: CDTParser initialized [2021-12-06 20:40:14,746 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182cba71-a6f9-4c8f-90c7-ba23f54fafd7/bin/uautomizer-DrprNOufMa/../../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--arcnet--capmode.ko-entry_point.cil.out.i [2021-12-06 20:40:14,788 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182cba71-a6f9-4c8f-90c7-ba23f54fafd7/bin/uautomizer-DrprNOufMa/data/b254ec17c/653f354423054493868d7e600640d7af/FLAG14fd5d36b [2021-12-06 20:40:15,315 INFO L306 CDTParser]: Found 1 translation units. [2021-12-06 20:40:15,315 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182cba71-a6f9-4c8f-90c7-ba23f54fafd7/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--arcnet--capmode.ko-entry_point.cil.out.i [2021-12-06 20:40:15,336 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182cba71-a6f9-4c8f-90c7-ba23f54fafd7/bin/uautomizer-DrprNOufMa/data/b254ec17c/653f354423054493868d7e600640d7af/FLAG14fd5d36b [2021-12-06 20:40:15,771 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182cba71-a6f9-4c8f-90c7-ba23f54fafd7/bin/uautomizer-DrprNOufMa/data/b254ec17c/653f354423054493868d7e600640d7af [2021-12-06 20:40:15,773 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-06 20:40:15,774 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-06 20:40:15,775 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-06 20:40:15,776 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-06 20:40:15,778 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-06 20:40:15,779 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 08:40:15" (1/1) ... [2021-12-06 20:40:15,779 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@654082f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:40:15, skipping insertion in model container [2021-12-06 20:40:15,780 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 08:40:15" (1/1) ... [2021-12-06 20:40:15,784 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-06 20:40:15,845 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-06 20:40:16,281 WARN L230 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_182cba71-a6f9-4c8f-90c7-ba23f54fafd7/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--arcnet--capmode.ko-entry_point.cil.out.i[154031,154044] [2021-12-06 20:40:16,429 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 20:40:16,440 INFO L203 MainTranslator]: Completed pre-run [2021-12-06 20:40:16,531 WARN L230 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_182cba71-a6f9-4c8f-90c7-ba23f54fafd7/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--arcnet--capmode.ko-entry_point.cil.out.i[154031,154044] [2021-12-06 20:40:16,566 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 20:40:16,584 INFO L208 MainTranslator]: Completed translation [2021-12-06 20:40:16,585 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:40:16 WrapperNode [2021-12-06 20:40:16,585 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-06 20:40:16,585 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-06 20:40:16,586 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-06 20:40:16,586 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-06 20:40:16,592 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:40:16" (1/1) ... [2021-12-06 20:40:16,615 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:40:16" (1/1) ... [2021-12-06 20:40:16,663 INFO L137 Inliner]: procedures = 90, calls = 193, calls flagged for inlining = 27, calls inlined = 24, statements flattened = 546 [2021-12-06 20:40:16,664 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-06 20:40:16,664 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-06 20:40:16,664 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-06 20:40:16,664 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-06 20:40:16,673 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:40:16" (1/1) ... [2021-12-06 20:40:16,673 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:40:16" (1/1) ... [2021-12-06 20:40:16,691 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:40:16" (1/1) ... [2021-12-06 20:40:16,692 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:40:16" (1/1) ... [2021-12-06 20:40:16,719 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:40:16" (1/1) ... [2021-12-06 20:40:16,726 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:40:16" (1/1) ... [2021-12-06 20:40:16,732 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:40:16" (1/1) ... [2021-12-06 20:40:16,740 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-06 20:40:16,741 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-06 20:40:16,741 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-06 20:40:16,741 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-06 20:40:16,742 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:40:16" (1/1) ... [2021-12-06 20:40:16,750 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 20:40:16,759 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182cba71-a6f9-4c8f-90c7-ba23f54fafd7/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 20:40:16,770 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182cba71-a6f9-4c8f-90c7-ba23f54fafd7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-06 20:40:16,772 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182cba71-a6f9-4c8f-90c7-ba23f54fafd7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-06 20:40:16,808 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free_int [2021-12-06 20:40:16,808 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free_int [2021-12-06 20:40:16,809 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-06 20:40:16,809 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-06 20:40:16,809 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-06 20:40:16,809 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-06 20:40:16,809 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-06 20:40:16,809 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-06 20:40:16,809 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-06 20:40:16,809 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-06 20:40:16,810 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-06 20:40:16,810 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-06 20:40:16,810 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-06 20:40:16,810 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-06 20:40:16,810 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2021-12-06 20:40:16,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2021-12-06 20:40:16,810 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-06 20:40:16,811 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-06 20:40:16,811 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-06 20:40:16,811 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-06 20:40:16,811 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_skb_14 [2021-12-06 20:40:16,811 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_skb_14 [2021-12-06 20:40:16,811 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-06 20:40:16,811 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-06 20:40:16,811 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2021-12-06 20:40:16,812 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2021-12-06 20:40:16,812 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2021-12-06 20:40:16,812 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2021-12-06 20:40:16,812 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_successful_zalloc [2021-12-06 20:40:16,812 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_successful_zalloc [2021-12-06 20:40:16,812 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-06 20:40:16,812 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-06 20:40:16,813 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-06 20:40:16,813 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-12-06 20:40:16,813 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-12-06 20:40:16,813 INFO L130 BoogieDeclarations]: Found specification of procedure skb_mac_header [2021-12-06 20:40:16,813 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_mac_header [2021-12-06 20:40:16,813 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-06 20:40:16,813 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-06 20:40:16,814 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-06 20:40:16,814 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reset_mac_header [2021-12-06 20:40:16,814 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reset_mac_header [2021-12-06 20:40:16,814 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-06 20:40:16,814 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~X~$Pointer$~X~int~TO~VOID [2021-12-06 20:40:16,814 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~X~$Pointer$~X~int~TO~VOID [2021-12-06 20:40:16,814 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-06 20:40:16,814 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-06 20:40:16,815 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-06 20:40:17,016 INFO L236 CfgBuilder]: Building ICFG [2021-12-06 20:40:17,017 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-06 20:40:17,088 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-06 20:40:17,376 INFO L277 CfgBuilder]: Performing block encoding [2021-12-06 20:40:17,383 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-06 20:40:17,383 INFO L301 CfgBuilder]: Removed 3 assume(true) statements. [2021-12-06 20:40:17,385 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 08:40:17 BoogieIcfgContainer [2021-12-06 20:40:17,385 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-06 20:40:17,387 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-06 20:40:17,387 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-06 20:40:17,390 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-06 20:40:17,391 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.12 08:40:15" (1/3) ... [2021-12-06 20:40:17,391 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a90e8e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 08:40:17, skipping insertion in model container [2021-12-06 20:40:17,391 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:40:16" (2/3) ... [2021-12-06 20:40:17,392 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a90e8e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 08:40:17, skipping insertion in model container [2021-12-06 20:40:17,392 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 08:40:17" (3/3) ... [2021-12-06 20:40:17,393 INFO L111 eAbstractionObserver]: Analyzing ICFG 205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--arcnet--capmode.ko-entry_point.cil.out.i [2021-12-06 20:40:17,399 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-06 20:40:17,399 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-06 20:40:17,468 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-06 20:40:17,473 INFO L339 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, mLoopAccelerationTechnique=FAST_UPR [2021-12-06 20:40:17,473 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-06 20:40:17,495 INFO L276 IsEmpty]: Start isEmpty. Operand has 227 states, 170 states have (on average 1.3647058823529412) internal successors, (232), 175 states have internal predecessors, (232), 40 states have call successors, (40), 16 states have call predecessors, (40), 15 states have return successors, (37), 37 states have call predecessors, (37), 37 states have call successors, (37) [2021-12-06 20:40:17,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-12-06 20:40:17,502 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:40:17,503 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 20:40:17,503 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 20:40:17,507 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:40:17,507 INFO L85 PathProgramCache]: Analyzing trace with hash 1296188460, now seen corresponding path program 1 times [2021-12-06 20:40:17,513 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 20:40:17,513 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1871235946] [2021-12-06 20:40:17,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:40:17,514 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 20:40:17,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:40:17,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 20:40:17,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:40:17,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:40:17,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:40:17,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 20:40:17,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:40:17,757 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 20:40:17,758 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 20:40:17,758 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1871235946] [2021-12-06 20:40:17,759 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1871235946] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 20:40:17,759 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 20:40:17,759 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-06 20:40:17,760 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [32156354] [2021-12-06 20:40:17,761 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 20:40:17,763 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-06 20:40:17,764 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 20:40:17,783 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-06 20:40:17,784 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-12-06 20:40:17,786 INFO L87 Difference]: Start difference. First operand has 227 states, 170 states have (on average 1.3647058823529412) internal successors, (232), 175 states have internal predecessors, (232), 40 states have call successors, (40), 16 states have call predecessors, (40), 15 states have return successors, (37), 37 states have call predecessors, (37), 37 states have call successors, (37) Second operand has 4 states, 4 states have (on average 7.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (4), 4 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2021-12-06 20:40:17,995 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 20:40:17,995 INFO L93 Difference]: Finished difference Result 464 states and 657 transitions. [2021-12-06 20:40:17,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-06 20:40:17,997 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (4), 4 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) Word has length 35 [2021-12-06 20:40:17,998 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 20:40:18,006 INFO L225 Difference]: With dead ends: 464 [2021-12-06 20:40:18,007 INFO L226 Difference]: Without dead ends: 232 [2021-12-06 20:40:18,010 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-12-06 20:40:18,013 INFO L933 BasicCegarLoop]: 289 mSDtfsCounter, 76 mSDsluCounter, 177 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 82 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 77 SdHoareTripleChecker+Valid, 466 SdHoareTripleChecker+Invalid, 150 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 82 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-12-06 20:40:18,014 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [77 Valid, 466 Invalid, 150 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [82 Valid, 68 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-12-06 20:40:18,026 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 232 states. [2021-12-06 20:40:18,054 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 232 to 217. [2021-12-06 20:40:18,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 217 states, 165 states have (on average 1.303030303030303) internal successors, (215), 165 states have internal predecessors, (215), 37 states have call successors, (37), 15 states have call predecessors, (37), 14 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2021-12-06 20:40:18,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 217 states and 288 transitions. [2021-12-06 20:40:18,060 INFO L78 Accepts]: Start accepts. Automaton has 217 states and 288 transitions. Word has length 35 [2021-12-06 20:40:18,060 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 20:40:18,060 INFO L470 AbstractCegarLoop]: Abstraction has 217 states and 288 transitions. [2021-12-06 20:40:18,060 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (4), 4 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2021-12-06 20:40:18,060 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 288 transitions. [2021-12-06 20:40:18,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-12-06 20:40:18,062 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:40:18,062 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 20:40:18,063 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-06 20:40:18,063 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 20:40:18,063 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:40:18,063 INFO L85 PathProgramCache]: Analyzing trace with hash 1162174954, now seen corresponding path program 1 times [2021-12-06 20:40:18,064 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 20:40:18,064 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1397387616] [2021-12-06 20:40:18,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:40:18,064 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 20:40:18,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:40:18,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 20:40:18,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:40:18,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:40:18,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:40:18,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 20:40:18,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:40:18,184 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 20:40:18,184 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 20:40:18,184 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1397387616] [2021-12-06 20:40:18,184 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1397387616] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 20:40:18,185 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 20:40:18,185 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-06 20:40:18,185 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1654434194] [2021-12-06 20:40:18,185 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 20:40:18,186 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-06 20:40:18,186 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 20:40:18,186 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-06 20:40:18,186 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-12-06 20:40:18,187 INFO L87 Difference]: Start difference. First operand 217 states and 288 transitions. Second operand has 5 states, 5 states have (on average 5.6) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (4), 4 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2021-12-06 20:40:18,541 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 20:40:18,541 INFO L93 Difference]: Finished difference Result 643 states and 867 transitions. [2021-12-06 20:40:18,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-06 20:40:18,542 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (4), 4 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 35 [2021-12-06 20:40:18,542 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 20:40:18,546 INFO L225 Difference]: With dead ends: 643 [2021-12-06 20:40:18,546 INFO L226 Difference]: Without dead ends: 434 [2021-12-06 20:40:18,547 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-12-06 20:40:18,548 INFO L933 BasicCegarLoop]: 313 mSDtfsCounter, 379 mSDsluCounter, 399 mSDsCounter, 0 mSdLazyCounter, 164 mSolverCounterSat, 160 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 404 SdHoareTripleChecker+Valid, 712 SdHoareTripleChecker+Invalid, 324 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 160 IncrementalHoareTripleChecker+Valid, 164 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-12-06 20:40:18,549 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [404 Valid, 712 Invalid, 324 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [160 Valid, 164 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-12-06 20:40:18,550 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 434 states. [2021-12-06 20:40:18,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 434 to 404. [2021-12-06 20:40:18,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 404 states, 305 states have (on average 1.301639344262295) internal successors, (397), 305 states have internal predecessors, (397), 70 states have call successors, (70), 29 states have call predecessors, (70), 28 states have return successors, (69), 69 states have call predecessors, (69), 69 states have call successors, (69) [2021-12-06 20:40:18,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 404 states and 536 transitions. [2021-12-06 20:40:18,583 INFO L78 Accepts]: Start accepts. Automaton has 404 states and 536 transitions. Word has length 35 [2021-12-06 20:40:18,583 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 20:40:18,583 INFO L470 AbstractCegarLoop]: Abstraction has 404 states and 536 transitions. [2021-12-06 20:40:18,583 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (4), 4 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2021-12-06 20:40:18,583 INFO L276 IsEmpty]: Start isEmpty. Operand 404 states and 536 transitions. [2021-12-06 20:40:18,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-12-06 20:40:18,585 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:40:18,585 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 20:40:18,585 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-06 20:40:18,585 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 20:40:18,585 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:40:18,586 INFO L85 PathProgramCache]: Analyzing trace with hash 1455096019, now seen corresponding path program 1 times [2021-12-06 20:40:18,586 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 20:40:18,586 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [698835032] [2021-12-06 20:40:18,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:40:18,586 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 20:40:18,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:40:18,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 20:40:18,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:40:18,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:40:18,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:40:18,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 20:40:18,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:40:18,659 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 20:40:18,659 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 20:40:18,659 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [698835032] [2021-12-06 20:40:18,659 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [698835032] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 20:40:18,659 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 20:40:18,659 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-06 20:40:18,660 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1206169401] [2021-12-06 20:40:18,660 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 20:40:18,660 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-06 20:40:18,660 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 20:40:18,660 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-06 20:40:18,660 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-12-06 20:40:18,661 INFO L87 Difference]: Start difference. First operand 404 states and 536 transitions. Second operand has 5 states, 5 states have (on average 6.8) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (4), 4 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2021-12-06 20:40:18,912 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 20:40:18,912 INFO L93 Difference]: Finished difference Result 834 states and 1118 transitions. [2021-12-06 20:40:18,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-06 20:40:18,913 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (4), 4 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 41 [2021-12-06 20:40:18,913 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 20:40:18,917 INFO L225 Difference]: With dead ends: 834 [2021-12-06 20:40:18,917 INFO L226 Difference]: Without dead ends: 438 [2021-12-06 20:40:18,919 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-12-06 20:40:18,920 INFO L933 BasicCegarLoop]: 274 mSDtfsCounter, 42 mSDsluCounter, 558 mSDsCounter, 0 mSdLazyCounter, 194 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 832 SdHoareTripleChecker+Invalid, 234 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 194 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-12-06 20:40:18,921 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [43 Valid, 832 Invalid, 234 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 194 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-12-06 20:40:18,922 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 438 states. [2021-12-06 20:40:18,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 438 to 405. [2021-12-06 20:40:18,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 405 states, 306 states have (on average 1.3006535947712419) internal successors, (398), 306 states have internal predecessors, (398), 70 states have call successors, (70), 29 states have call predecessors, (70), 28 states have return successors, (69), 69 states have call predecessors, (69), 69 states have call successors, (69) [2021-12-06 20:40:18,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 405 states to 405 states and 537 transitions. [2021-12-06 20:40:18,954 INFO L78 Accepts]: Start accepts. Automaton has 405 states and 537 transitions. Word has length 41 [2021-12-06 20:40:18,954 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 20:40:18,954 INFO L470 AbstractCegarLoop]: Abstraction has 405 states and 537 transitions. [2021-12-06 20:40:18,955 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (4), 4 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2021-12-06 20:40:18,955 INFO L276 IsEmpty]: Start isEmpty. Operand 405 states and 537 transitions. [2021-12-06 20:40:18,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-12-06 20:40:18,957 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:40:18,957 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 20:40:18,957 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-06 20:40:18,957 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 20:40:18,957 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:40:18,958 INFO L85 PathProgramCache]: Analyzing trace with hash -1093757940, now seen corresponding path program 1 times [2021-12-06 20:40:18,958 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 20:40:18,958 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1669428874] [2021-12-06 20:40:18,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:40:18,958 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 20:40:18,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:40:19,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 20:40:19,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:40:19,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:40:19,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:40:19,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 20:40:19,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:40:19,042 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 20:40:19,042 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 20:40:19,042 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1669428874] [2021-12-06 20:40:19,043 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1669428874] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 20:40:19,043 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [268196763] [2021-12-06 20:40:19,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:40:19,043 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 20:40:19,043 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182cba71-a6f9-4c8f-90c7-ba23f54fafd7/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 20:40:19,044 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182cba71-a6f9-4c8f-90c7-ba23f54fafd7/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 20:40:19,045 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182cba71-a6f9-4c8f-90c7-ba23f54fafd7/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-12-06 20:40:19,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:40:19,147 INFO L263 TraceCheckSpWp]: Trace formula consists of 398 conjuncts, 3 conjunts are in the unsatisfiable core [2021-12-06 20:40:19,151 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 20:40:19,235 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 20:40:19,235 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 20:40:19,305 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 20:40:19,306 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [268196763] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-06 20:40:19,306 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-06 20:40:19,306 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 4, 4] total 9 [2021-12-06 20:40:19,306 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1359293868] [2021-12-06 20:40:19,306 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-06 20:40:19,307 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-06 20:40:19,307 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 20:40:19,307 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-06 20:40:19,308 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2021-12-06 20:40:19,308 INFO L87 Difference]: Start difference. First operand 405 states and 537 transitions. Second operand has 9 states, 9 states have (on average 5.666666666666667) internal successors, (51), 7 states have internal predecessors, (51), 2 states have call successors, (6), 4 states have call predecessors, (6), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2021-12-06 20:40:19,513 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 20:40:19,513 INFO L93 Difference]: Finished difference Result 844 states and 1132 transitions. [2021-12-06 20:40:19,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-06 20:40:19,514 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.666666666666667) internal successors, (51), 7 states have internal predecessors, (51), 2 states have call successors, (6), 4 states have call predecessors, (6), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 45 [2021-12-06 20:40:19,514 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 20:40:19,517 INFO L225 Difference]: With dead ends: 844 [2021-12-06 20:40:19,517 INFO L226 Difference]: Without dead ends: 447 [2021-12-06 20:40:19,518 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 91 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2021-12-06 20:40:19,519 INFO L933 BasicCegarLoop]: 273 mSDtfsCounter, 99 mSDsluCounter, 406 mSDsCounter, 0 mSdLazyCounter, 138 mSolverCounterSat, 81 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 100 SdHoareTripleChecker+Valid, 679 SdHoareTripleChecker+Invalid, 219 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 81 IncrementalHoareTripleChecker+Valid, 138 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-12-06 20:40:19,519 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [100 Valid, 679 Invalid, 219 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [81 Valid, 138 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-12-06 20:40:19,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 447 states. [2021-12-06 20:40:19,535 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 447 to 417. [2021-12-06 20:40:19,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 417 states, 318 states have (on average 1.29874213836478) internal successors, (413), 318 states have internal predecessors, (413), 70 states have call successors, (70), 29 states have call predecessors, (70), 28 states have return successors, (69), 69 states have call predecessors, (69), 69 states have call successors, (69) [2021-12-06 20:40:19,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 417 states to 417 states and 552 transitions. [2021-12-06 20:40:19,539 INFO L78 Accepts]: Start accepts. Automaton has 417 states and 552 transitions. Word has length 45 [2021-12-06 20:40:19,539 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 20:40:19,539 INFO L470 AbstractCegarLoop]: Abstraction has 417 states and 552 transitions. [2021-12-06 20:40:19,539 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.666666666666667) internal successors, (51), 7 states have internal predecessors, (51), 2 states have call successors, (6), 4 states have call predecessors, (6), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2021-12-06 20:40:19,539 INFO L276 IsEmpty]: Start isEmpty. Operand 417 states and 552 transitions. [2021-12-06 20:40:19,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-12-06 20:40:19,541 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:40:19,541 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 20:40:19,563 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182cba71-a6f9-4c8f-90c7-ba23f54fafd7/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-12-06 20:40:19,742 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182cba71-a6f9-4c8f-90c7-ba23f54fafd7/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3 [2021-12-06 20:40:19,742 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 20:40:19,743 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:40:19,743 INFO L85 PathProgramCache]: Analyzing trace with hash 797749943, now seen corresponding path program 2 times [2021-12-06 20:40:19,743 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 20:40:19,743 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2114094416] [2021-12-06 20:40:19,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:40:19,744 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 20:40:19,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:40:19,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 20:40:19,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:40:19,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:40:19,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:40:19,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 20:40:19,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:40:19,823 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2021-12-06 20:40:19,823 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 20:40:19,823 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2114094416] [2021-12-06 20:40:19,823 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2114094416] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 20:40:19,824 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 20:40:19,824 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-06 20:40:19,824 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [802826834] [2021-12-06 20:40:19,824 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 20:40:19,824 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 20:40:19,824 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 20:40:19,824 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 20:40:19,824 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-12-06 20:40:19,825 INFO L87 Difference]: Start difference. First operand 417 states and 552 transitions. Second operand has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (4), 4 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2021-12-06 20:40:20,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 20:40:20,235 INFO L93 Difference]: Finished difference Result 855 states and 1142 transitions. [2021-12-06 20:40:20,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-06 20:40:20,235 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (4), 4 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 57 [2021-12-06 20:40:20,236 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 20:40:20,239 INFO L225 Difference]: With dead ends: 855 [2021-12-06 20:40:20,239 INFO L226 Difference]: Without dead ends: 446 [2021-12-06 20:40:20,240 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2021-12-06 20:40:20,241 INFO L933 BasicCegarLoop]: 404 mSDtfsCounter, 440 mSDsluCounter, 748 mSDsCounter, 0 mSdLazyCounter, 313 mSolverCounterSat, 119 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 465 SdHoareTripleChecker+Valid, 1152 SdHoareTripleChecker+Invalid, 432 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 119 IncrementalHoareTripleChecker+Valid, 313 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-12-06 20:40:20,242 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [465 Valid, 1152 Invalid, 432 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [119 Valid, 313 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2021-12-06 20:40:20,243 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 446 states. [2021-12-06 20:40:20,265 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 446 to 416. [2021-12-06 20:40:20,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 416 states, 317 states have (on average 1.2902208201892744) internal successors, (409), 317 states have internal predecessors, (409), 70 states have call successors, (70), 29 states have call predecessors, (70), 28 states have return successors, (69), 69 states have call predecessors, (69), 69 states have call successors, (69) [2021-12-06 20:40:20,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 416 states to 416 states and 548 transitions. [2021-12-06 20:40:20,270 INFO L78 Accepts]: Start accepts. Automaton has 416 states and 548 transitions. Word has length 57 [2021-12-06 20:40:20,270 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 20:40:20,270 INFO L470 AbstractCegarLoop]: Abstraction has 416 states and 548 transitions. [2021-12-06 20:40:20,270 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (4), 4 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2021-12-06 20:40:20,271 INFO L276 IsEmpty]: Start isEmpty. Operand 416 states and 548 transitions. [2021-12-06 20:40:20,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2021-12-06 20:40:20,274 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:40:20,275 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2021-12-06 20:40:20,275 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-06 20:40:20,275 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 20:40:20,275 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:40:20,276 INFO L85 PathProgramCache]: Analyzing trace with hash 1188095234, now seen corresponding path program 1 times [2021-12-06 20:40:20,276 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 20:40:20,276 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [296915130] [2021-12-06 20:40:20,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:40:20,276 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 20:40:20,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:40:20,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 20:40:20,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:40:20,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:40:20,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:40:20,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 20:40:20,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:40:20,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-12-06 20:40:20,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:40:20,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:40:20,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:40:20,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 20:40:20,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:40:20,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-06 20:40:20,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:40:20,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:40:20,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:40:20,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 20:40:20,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:40:20,436 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2021-12-06 20:40:20,436 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 20:40:20,437 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [296915130] [2021-12-06 20:40:20,437 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [296915130] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 20:40:20,437 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 20:40:20,437 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-06 20:40:20,437 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [397749269] [2021-12-06 20:40:20,437 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 20:40:20,437 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-06 20:40:20,437 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 20:40:20,438 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-06 20:40:20,438 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-12-06 20:40:20,438 INFO L87 Difference]: Start difference. First operand 416 states and 548 transitions. Second operand has 7 states, 7 states have (on average 6.428571428571429) internal successors, (45), 5 states have internal predecessors, (45), 3 states have call successors, (6), 4 states have call predecessors, (6), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2021-12-06 20:40:20,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 20:40:20,856 INFO L93 Difference]: Finished difference Result 1279 states and 1734 transitions. [2021-12-06 20:40:20,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-06 20:40:20,856 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.428571428571429) internal successors, (45), 5 states have internal predecessors, (45), 3 states have call successors, (6), 4 states have call predecessors, (6), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 98 [2021-12-06 20:40:20,857 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 20:40:20,863 INFO L225 Difference]: With dead ends: 1279 [2021-12-06 20:40:20,863 INFO L226 Difference]: Without dead ends: 866 [2021-12-06 20:40:20,865 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2021-12-06 20:40:20,866 INFO L933 BasicCegarLoop]: 315 mSDtfsCounter, 370 mSDsluCounter, 984 mSDsCounter, 0 mSdLazyCounter, 279 mSolverCounterSat, 170 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 394 SdHoareTripleChecker+Valid, 1299 SdHoareTripleChecker+Invalid, 449 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 170 IncrementalHoareTripleChecker+Valid, 279 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-12-06 20:40:20,867 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [394 Valid, 1299 Invalid, 449 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [170 Valid, 279 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-12-06 20:40:20,869 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 866 states. [2021-12-06 20:40:20,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 866 to 808. [2021-12-06 20:40:20,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 808 states, 613 states have (on average 1.2903752039151712) internal successors, (791), 613 states have internal predecessors, (791), 138 states have call successors, (138), 57 states have call predecessors, (138), 56 states have return successors, (149), 137 states have call predecessors, (149), 137 states have call successors, (149) [2021-12-06 20:40:20,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 808 states to 808 states and 1078 transitions. [2021-12-06 20:40:20,917 INFO L78 Accepts]: Start accepts. Automaton has 808 states and 1078 transitions. Word has length 98 [2021-12-06 20:40:20,917 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 20:40:20,917 INFO L470 AbstractCegarLoop]: Abstraction has 808 states and 1078 transitions. [2021-12-06 20:40:20,917 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.428571428571429) internal successors, (45), 5 states have internal predecessors, (45), 3 states have call successors, (6), 4 states have call predecessors, (6), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2021-12-06 20:40:20,918 INFO L276 IsEmpty]: Start isEmpty. Operand 808 states and 1078 transitions. [2021-12-06 20:40:20,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2021-12-06 20:40:20,922 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:40:20,922 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 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] [2021-12-06 20:40:20,922 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-06 20:40:20,923 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 20:40:20,923 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:40:20,923 INFO L85 PathProgramCache]: Analyzing trace with hash -2043442978, now seen corresponding path program 1 times [2021-12-06 20:40:20,923 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 20:40:20,923 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2076945137] [2021-12-06 20:40:20,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:40:20,924 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 20:40:20,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:40:21,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 20:40:21,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:40:21,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:40:21,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:40:21,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 20:40:21,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:40:21,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-12-06 20:40:21,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:40:21,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:40:21,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:40:21,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 20:40:21,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:40:21,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-06 20:40:21,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:40:21,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:40:21,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:40:21,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 20:40:21,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:40:21,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-12-06 20:40:21,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:40:21,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2021-12-06 20:40:21,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:40:21,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:40:21,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:40:21,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:40:21,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:40:21,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:40:21,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:40:21,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 20:40:21,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:40:21,149 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2021-12-06 20:40:21,149 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 20:40:21,149 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2076945137] [2021-12-06 20:40:21,149 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2076945137] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 20:40:21,150 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 20:40:21,150 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-12-06 20:40:21,150 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [742887960] [2021-12-06 20:40:21,150 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 20:40:21,150 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-12-06 20:40:21,151 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 20:40:21,151 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-12-06 20:40:21,151 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=130, Unknown=0, NotChecked=0, Total=156 [2021-12-06 20:40:21,151 INFO L87 Difference]: Start difference. First operand 808 states and 1078 transitions. Second operand has 13 states, 13 states have (on average 6.3076923076923075) internal successors, (82), 8 states have internal predecessors, (82), 4 states have call successors, (12), 5 states have call predecessors, (12), 4 states have return successors, (11), 6 states have call predecessors, (11), 3 states have call successors, (11) [2021-12-06 20:40:21,576 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 20:40:21,576 INFO L93 Difference]: Finished difference Result 1660 states and 2258 transitions. [2021-12-06 20:40:21,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-12-06 20:40:21,577 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 6.3076923076923075) internal successors, (82), 8 states have internal predecessors, (82), 4 states have call successors, (12), 5 states have call predecessors, (12), 4 states have return successors, (11), 6 states have call predecessors, (11), 3 states have call successors, (11) Word has length 149 [2021-12-06 20:40:21,578 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 20:40:21,584 INFO L225 Difference]: With dead ends: 1660 [2021-12-06 20:40:21,584 INFO L226 Difference]: Without dead ends: 860 [2021-12-06 20:40:21,586 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=44, Invalid=228, Unknown=0, NotChecked=0, Total=272 [2021-12-06 20:40:21,587 INFO L933 BasicCegarLoop]: 258 mSDtfsCounter, 94 mSDsluCounter, 1975 mSDsCounter, 0 mSdLazyCounter, 521 mSolverCounterSat, 83 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 97 SdHoareTripleChecker+Valid, 2233 SdHoareTripleChecker+Invalid, 604 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 83 IncrementalHoareTripleChecker+Valid, 521 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-12-06 20:40:21,588 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [97 Valid, 2233 Invalid, 604 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [83 Valid, 521 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-12-06 20:40:21,590 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 860 states. [2021-12-06 20:40:21,632 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 860 to 818. [2021-12-06 20:40:21,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 818 states, 619 states have (on average 1.2746365105008077) internal successors, (789), 621 states have internal predecessors, (789), 138 states have call successors, (138), 57 states have call predecessors, (138), 60 states have return successors, (155), 139 states have call predecessors, (155), 137 states have call successors, (155) [2021-12-06 20:40:21,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 818 states to 818 states and 1082 transitions. [2021-12-06 20:40:21,638 INFO L78 Accepts]: Start accepts. Automaton has 818 states and 1082 transitions. Word has length 149 [2021-12-06 20:40:21,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 20:40:21,638 INFO L470 AbstractCegarLoop]: Abstraction has 818 states and 1082 transitions. [2021-12-06 20:40:21,639 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 6.3076923076923075) internal successors, (82), 8 states have internal predecessors, (82), 4 states have call successors, (12), 5 states have call predecessors, (12), 4 states have return successors, (11), 6 states have call predecessors, (11), 3 states have call successors, (11) [2021-12-06 20:40:21,639 INFO L276 IsEmpty]: Start isEmpty. Operand 818 states and 1082 transitions. [2021-12-06 20:40:21,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2021-12-06 20:40:21,641 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:40:21,642 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 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] [2021-12-06 20:40:21,642 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-12-06 20:40:21,642 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 20:40:21,642 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:40:21,642 INFO L85 PathProgramCache]: Analyzing trace with hash -1151008919, now seen corresponding path program 1 times [2021-12-06 20:40:21,642 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 20:40:21,642 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [274081266] [2021-12-06 20:40:21,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:40:21,642 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 20:40:21,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:40:21,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 20:40:21,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:40:21,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:40:21,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:40:21,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 20:40:21,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:40:21,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-12-06 20:40:21,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:40:21,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:40:21,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:40:21,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 20:40:21,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:40:21,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-06 20:40:21,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:40:21,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:40:21,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:40:21,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 20:40:21,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:40:21,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-12-06 20:40:21,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:40:21,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2021-12-06 20:40:21,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:40:21,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:40:21,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:40:21,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:40:21,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:40:21,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:40:21,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:40:21,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 20:40:21,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:40:21,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-06 20:40:21,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:40:21,823 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 7 proven. 28 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2021-12-06 20:40:21,823 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 20:40:21,823 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [274081266] [2021-12-06 20:40:21,823 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [274081266] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 20:40:21,823 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1093328849] [2021-12-06 20:40:21,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:40:21,823 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 20:40:21,823 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182cba71-a6f9-4c8f-90c7-ba23f54fafd7/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 20:40:21,824 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182cba71-a6f9-4c8f-90c7-ba23f54fafd7/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 20:40:21,825 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182cba71-a6f9-4c8f-90c7-ba23f54fafd7/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-12-06 20:40:21,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:40:21,997 INFO L263 TraceCheckSpWp]: Trace formula consists of 939 conjuncts, 6 conjunts are in the unsatisfiable core [2021-12-06 20:40:22,002 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 20:40:22,147 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 49 proven. 28 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2021-12-06 20:40:22,147 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 20:40:22,362 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 7 proven. 28 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2021-12-06 20:40:22,363 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1093328849] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-06 20:40:22,363 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-06 20:40:22,363 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 7, 7] total 15 [2021-12-06 20:40:22,364 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1809344224] [2021-12-06 20:40:22,364 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-06 20:40:22,365 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-12-06 20:40:22,365 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 20:40:22,365 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-12-06 20:40:22,365 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2021-12-06 20:40:22,366 INFO L87 Difference]: Start difference. First operand 818 states and 1082 transitions. Second operand has 15 states, 15 states have (on average 9.733333333333333) internal successors, (146), 11 states have internal predecessors, (146), 2 states have call successors, (28), 6 states have call predecessors, (28), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2021-12-06 20:40:22,745 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 20:40:22,745 INFO L93 Difference]: Finished difference Result 1329 states and 1792 transitions. [2021-12-06 20:40:22,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-12-06 20:40:22,746 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 9.733333333333333) internal successors, (146), 11 states have internal predecessors, (146), 2 states have call successors, (28), 6 states have call predecessors, (28), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 155 [2021-12-06 20:40:22,746 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 20:40:22,750 INFO L225 Difference]: With dead ends: 1329 [2021-12-06 20:40:22,750 INFO L226 Difference]: Without dead ends: 892 [2021-12-06 20:40:22,751 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 347 GetRequests, 334 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2021-12-06 20:40:22,752 INFO L933 BasicCegarLoop]: 264 mSDtfsCounter, 101 mSDsluCounter, 1135 mSDsCounter, 0 mSdLazyCounter, 403 mSolverCounterSat, 58 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 102 SdHoareTripleChecker+Valid, 1399 SdHoareTripleChecker+Invalid, 461 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 58 IncrementalHoareTripleChecker+Valid, 403 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-12-06 20:40:22,752 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [102 Valid, 1399 Invalid, 461 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [58 Valid, 403 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-12-06 20:40:22,754 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 892 states. [2021-12-06 20:40:22,783 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 892 to 850. [2021-12-06 20:40:22,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 850 states, 651 states have (on average 1.273425499231951) internal successors, (829), 653 states have internal predecessors, (829), 138 states have call successors, (138), 57 states have call predecessors, (138), 60 states have return successors, (155), 139 states have call predecessors, (155), 137 states have call successors, (155) [2021-12-06 20:40:22,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 850 states to 850 states and 1122 transitions. [2021-12-06 20:40:22,788 INFO L78 Accepts]: Start accepts. Automaton has 850 states and 1122 transitions. Word has length 155 [2021-12-06 20:40:22,788 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 20:40:22,789 INFO L470 AbstractCegarLoop]: Abstraction has 850 states and 1122 transitions. [2021-12-06 20:40:22,789 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 9.733333333333333) internal successors, (146), 11 states have internal predecessors, (146), 2 states have call successors, (28), 6 states have call predecessors, (28), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2021-12-06 20:40:22,789 INFO L276 IsEmpty]: Start isEmpty. Operand 850 states and 1122 transitions. [2021-12-06 20:40:22,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2021-12-06 20:40:22,792 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:40:22,792 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 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] [2021-12-06 20:40:22,825 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182cba71-a6f9-4c8f-90c7-ba23f54fafd7/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2021-12-06 20:40:22,992 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182cba71-a6f9-4c8f-90c7-ba23f54fafd7/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 20:40:22,992 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 20:40:22,993 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:40:22,993 INFO L85 PathProgramCache]: Analyzing trace with hash 745918541, now seen corresponding path program 2 times [2021-12-06 20:40:22,993 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 20:40:22,993 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2024797867] [2021-12-06 20:40:22,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:40:22,993 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 20:40:23,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:40:23,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 20:40:23,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:40:23,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:40:23,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:40:23,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 20:40:23,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:40:23,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-06 20:40:23,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:40:23,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:40:23,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:40:23,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 20:40:23,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:40:23,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2021-12-06 20:40:23,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:40:23,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:40:23,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:40:23,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 20:40:23,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:40:23,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-12-06 20:40:23,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:40:23,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2021-12-06 20:40:23,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:40:23,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:40:23,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:40:23,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:40:23,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:40:23,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:40:23,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:40:23,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 20:40:23,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:40:23,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-06 20:40:23,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:40:23,215 INFO L134 CoverageAnalysis]: Checked inductivity of 213 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 213 trivial. 0 not checked. [2021-12-06 20:40:23,215 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 20:40:23,215 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2024797867] [2021-12-06 20:40:23,215 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2024797867] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 20:40:23,215 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 20:40:23,215 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-06 20:40:23,215 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [681251346] [2021-12-06 20:40:23,216 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 20:40:23,216 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-06 20:40:23,216 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 20:40:23,216 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-06 20:40:23,217 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2021-12-06 20:40:23,217 INFO L87 Difference]: Start difference. First operand 850 states and 1122 transitions. Second operand has 7 states, 7 states have (on average 11.142857142857142) internal successors, (78), 3 states have internal predecessors, (78), 2 states have call successors, (11), 6 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2021-12-06 20:40:23,576 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 20:40:23,576 INFO L93 Difference]: Finished difference Result 1736 states and 2321 transitions. [2021-12-06 20:40:23,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-06 20:40:23,577 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.142857142857142) internal successors, (78), 3 states have internal predecessors, (78), 2 states have call successors, (11), 6 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 171 [2021-12-06 20:40:23,577 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 20:40:23,581 INFO L225 Difference]: With dead ends: 1736 [2021-12-06 20:40:23,581 INFO L226 Difference]: Without dead ends: 893 [2021-12-06 20:40:23,583 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2021-12-06 20:40:23,583 INFO L933 BasicCegarLoop]: 266 mSDtfsCounter, 56 mSDsluCounter, 826 mSDsCounter, 0 mSdLazyCounter, 338 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 57 SdHoareTripleChecker+Valid, 1092 SdHoareTripleChecker+Invalid, 387 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 338 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-12-06 20:40:23,584 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [57 Valid, 1092 Invalid, 387 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 338 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-12-06 20:40:23,585 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 893 states. [2021-12-06 20:40:23,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 893 to 851. [2021-12-06 20:40:23,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 851 states, 652 states have (on average 1.2730061349693251) internal successors, (830), 654 states have internal predecessors, (830), 138 states have call successors, (138), 57 states have call predecessors, (138), 60 states have return successors, (155), 139 states have call predecessors, (155), 137 states have call successors, (155) [2021-12-06 20:40:23,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 851 states to 851 states and 1123 transitions. [2021-12-06 20:40:23,615 INFO L78 Accepts]: Start accepts. Automaton has 851 states and 1123 transitions. Word has length 171 [2021-12-06 20:40:23,615 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 20:40:23,615 INFO L470 AbstractCegarLoop]: Abstraction has 851 states and 1123 transitions. [2021-12-06 20:40:23,615 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.142857142857142) internal successors, (78), 3 states have internal predecessors, (78), 2 states have call successors, (11), 6 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2021-12-06 20:40:23,616 INFO L276 IsEmpty]: Start isEmpty. Operand 851 states and 1123 transitions. [2021-12-06 20:40:23,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2021-12-06 20:40:23,618 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:40:23,618 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 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] [2021-12-06 20:40:23,618 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-12-06 20:40:23,619 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 20:40:23,619 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:40:23,619 INFO L85 PathProgramCache]: Analyzing trace with hash -595602417, now seen corresponding path program 1 times [2021-12-06 20:40:23,619 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 20:40:23,619 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1413612218] [2021-12-06 20:40:23,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:40:23,619 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 20:40:23,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 20:40:23,701 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 20:40:23,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 20:40:23,852 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 20:40:23,852 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-12-06 20:40:23,853 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-12-06 20:40:23,854 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-12-06 20:40:23,857 INFO L732 BasicCegarLoop]: Path program histogram: [2, 2, 1, 1, 1, 1, 1, 1] [2021-12-06 20:40:23,859 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-06 20:40:23,876 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-06 20:40:23,877 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-06 20:40:23,877 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-06 20:40:23,877 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-06 20:40:23,878 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-06 20:40:23,878 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-06 20:40:23,878 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-06 20:40:23,878 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-12-06 20:40:23,878 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-12-06 20:40:23,878 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-06 20:40:23,878 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-12-06 20:40:23,879 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-06 20:40:23,879 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-12-06 20:40:23,879 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-06 20:40:23,879 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-12-06 20:40:23,879 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-06 20:40:23,879 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-12-06 20:40:23,879 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-06 20:40:23,879 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-12-06 20:40:23,879 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-06 20:40:23,880 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-12-06 20:40:23,880 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-06 20:40:23,880 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-12-06 20:40:23,880 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-06 20:40:23,880 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-12-06 20:40:23,880 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-06 20:40:23,880 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-12-06 20:40:23,880 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-06 20:40:23,880 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-12-06 20:40:23,881 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-06 20:40:23,881 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-12-06 20:40:23,881 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-06 20:40:23,881 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-12-06 20:40:23,881 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-06 20:40:23,881 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-12-06 20:40:23,881 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-06 20:40:23,881 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-12-06 20:40:23,881 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-06 20:40:23,882 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-12-06 20:40:23,882 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-06 20:40:23,882 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-12-06 20:40:23,882 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-06 20:40:23,882 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-12-06 20:40:23,882 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-06 20:40:23,882 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-12-06 20:40:23,882 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-06 20:40:23,883 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-12-06 20:40:23,883 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-06 20:40:23,883 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-12-06 20:40:23,883 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-06 20:40:23,883 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-12-06 20:40:23,883 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-06 20:40:23,883 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-12-06 20:40:23,883 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-06 20:40:23,883 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-12-06 20:40:23,883 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-06 20:40:23,884 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-12-06 20:40:23,884 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-06 20:40:23,884 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-12-06 20:40:23,884 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-06 20:40:23,884 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-12-06 20:40:23,884 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-06 20:40:23,884 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-12-06 20:40:23,884 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-06 20:40:23,884 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-12-06 20:40:23,885 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-06 20:40:23,885 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-12-06 20:40:23,885 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-06 20:40:23,885 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-12-06 20:40:23,885 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-06 20:40:23,885 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-12-06 20:40:23,885 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-06 20:40:23,885 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-12-06 20:40:23,885 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-06 20:40:23,885 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-12-06 20:40:23,886 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-06 20:40:23,886 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-12-06 20:40:23,886 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-06 20:40:23,886 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-12-06 20:40:23,886 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-06 20:40:23,886 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-12-06 20:40:23,886 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-06 20:40:23,886 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-12-06 20:40:23,886 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-06 20:40:23,886 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-12-06 20:40:23,886 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-06 20:40:23,887 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-12-06 20:40:23,887 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-06 20:40:23,887 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-12-06 20:40:23,887 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-06 20:40:23,887 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-12-06 20:40:23,887 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-06 20:40:23,887 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-12-06 20:40:23,887 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-06 20:40:23,887 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-12-06 20:40:23,887 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-06 20:40:23,887 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-12-06 20:40:23,887 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-06 20:40:23,888 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-12-06 20:40:23,888 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-06 20:40:23,888 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-12-06 20:40:23,888 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-06 20:40:23,888 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-12-06 20:40:23,888 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-06 20:40:23,888 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-12-06 20:40:23,888 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-06 20:40:23,888 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-12-06 20:40:23,888 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-06 20:40:23,888 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-12-06 20:40:23,888 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-06 20:40:23,888 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-12-06 20:40:23,889 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-06 20:40:23,889 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-12-06 20:40:23,889 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-06 20:40:23,889 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-12-06 20:40:23,889 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-06 20:40:23,889 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-12-06 20:40:23,889 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-06 20:40:23,889 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-12-06 20:40:23,889 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-06 20:40:23,889 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-12-06 20:40:23,889 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-06 20:40:23,890 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-12-06 20:40:23,890 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-06 20:40:23,890 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-12-06 20:40:23,890 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-06 20:40:23,890 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-12-06 20:40:23,890 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-06 20:40:23,890 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-12-06 20:40:23,890 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-06 20:40:23,890 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-12-06 20:40:23,890 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-06 20:40:23,890 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-12-06 20:40:23,890 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-06 20:40:23,890 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-12-06 20:40:23,891 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-06 20:40:23,891 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-12-06 20:40:23,891 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-06 20:40:23,891 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-12-06 20:40:23,891 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-06 20:40:23,891 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-12-06 20:40:23,891 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-06 20:40:23,891 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-12-06 20:40:23,891 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-06 20:40:23,891 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-12-06 20:40:23,891 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-06 20:40:23,892 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-12-06 20:40:23,892 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-06 20:40:23,892 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-12-06 20:40:23,892 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-06 20:40:23,892 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-12-06 20:40:23,892 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-06 20:40:23,892 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-12-06 20:40:23,892 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-06 20:40:23,892 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-12-06 20:40:23,892 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-06 20:40:23,892 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-12-06 20:40:23,892 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-06 20:40:23,893 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-12-06 20:40:23,893 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-06 20:40:23,893 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-12-06 20:40:23,893 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-06 20:40:23,893 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-12-06 20:40:23,893 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-06 20:40:23,893 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-12-06 20:40:23,893 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-06 20:40:23,893 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-12-06 20:40:23,893 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-06 20:40:23,893 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-12-06 20:40:23,893 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-06 20:40:23,893 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-12-06 20:40:23,894 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-06 20:40:23,894 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-12-06 20:40:23,894 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-06 20:40:23,894 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-12-06 20:40:23,894 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-06 20:40:23,894 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-12-06 20:40:23,894 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-06 20:40:23,894 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-12-06 20:40:23,894 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-06 20:40:23,894 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-12-06 20:40:23,895 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-06 20:40:23,895 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-12-06 20:40:23,895 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-06 20:40:23,895 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-12-06 20:40:23,895 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-06 20:40:23,895 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-12-06 20:40:23,895 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-06 20:40:23,895 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-12-06 20:40:23,895 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-06 20:40:23,896 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-12-06 20:40:23,896 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-06 20:40:23,896 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-12-06 20:40:23,896 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-06 20:40:23,896 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-12-06 20:40:23,896 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-06 20:40:23,896 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-12-06 20:40:23,897 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-06 20:40:23,897 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-12-06 20:40:23,897 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-06 20:40:23,897 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-12-06 20:40:23,897 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-06 20:40:23,897 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-12-06 20:40:23,898 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-06 20:40:23,898 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-12-06 20:40:23,898 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-06 20:40:23,898 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-12-06 20:40:23,898 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-06 20:40:23,898 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-12-06 20:40:23,898 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-06 20:40:23,898 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-12-06 20:40:23,898 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-06 20:40:23,898 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-12-06 20:40:23,898 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-06 20:40:23,898 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-12-06 20:40:23,899 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-06 20:40:23,899 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-12-06 20:40:23,899 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-06 20:40:23,899 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-12-06 20:40:23,899 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-06 20:40:23,899 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-12-06 20:40:23,899 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-06 20:40:23,899 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-12-06 20:40:23,899 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-06 20:40:23,899 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-12-06 20:40:23,899 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-06 20:40:23,899 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-12-06 20:40:23,900 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-06 20:40:23,900 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-12-06 20:40:23,900 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-06 20:40:23,900 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-12-06 20:40:23,900 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-06 20:40:23,900 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-12-06 20:40:23,900 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-06 20:40:23,900 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-12-06 20:40:23,900 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-06 20:40:23,900 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-12-06 20:40:23,900 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-06 20:40:23,900 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-12-06 20:40:23,900 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-06 20:40:23,901 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-12-06 20:40:23,901 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-06 20:40:23,901 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-12-06 20:40:23,901 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-06 20:40:23,901 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-12-06 20:40:23,901 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-06 20:40:23,901 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-12-06 20:40:23,901 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-06 20:40:23,901 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-12-06 20:40:23,901 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-06 20:40:23,902 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-12-06 20:40:23,902 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-06 20:40:23,902 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-12-06 20:40:23,902 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-06 20:40:23,902 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-12-06 20:40:23,902 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-06 20:40:23,902 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-12-06 20:40:23,902 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-06 20:40:23,904 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-12-06 20:40:23,904 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-06 20:40:23,904 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-12-06 20:40:23,904 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-06 20:40:23,904 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-12-06 20:40:23,904 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-06 20:40:23,905 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-12-06 20:40:23,905 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-06 20:40:23,905 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-12-06 20:40:23,905 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-06 20:40:23,905 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-12-06 20:40:23,905 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-06 20:40:23,905 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-12-06 20:40:23,905 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-06 20:40:23,905 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-12-06 20:40:23,905 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-06 20:40:23,905 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-12-06 20:40:23,906 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-06 20:40:23,906 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-12-06 20:40:23,906 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-06 20:40:23,906 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-12-06 20:40:23,906 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-06 20:40:23,906 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-12-06 20:40:23,906 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-06 20:40:23,906 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-12-06 20:40:23,906 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-06 20:40:23,906 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-12-06 20:40:23,906 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-06 20:40:23,906 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-12-06 20:40:23,906 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-06 20:40:23,907 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-12-06 20:40:23,907 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-06 20:40:23,907 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-12-06 20:40:23,907 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-06 20:40:23,907 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-12-06 20:40:23,907 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-06 20:40:23,907 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-12-06 20:40:23,907 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-06 20:40:23,907 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-12-06 20:40:23,907 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-06 20:40:23,907 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-12-06 20:40:23,907 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-06 20:40:23,908 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-12-06 20:40:23,908 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-06 20:40:23,908 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-12-06 20:40:23,908 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-06 20:40:23,908 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-12-06 20:40:23,908 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-06 20:40:23,908 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-12-06 20:40:23,908 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-06 20:40:23,908 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-12-06 20:40:23,908 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-06 20:40:23,908 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-12-06 20:40:23,908 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-06 20:40:23,909 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-12-06 20:40:23,909 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-06 20:40:23,909 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-06 20:40:23,909 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-12-06 20:40:23,909 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-12-06 20:40:23,909 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-06 20:40:23,909 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-06 20:40:23,909 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-12-06 20:40:23,909 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-12-06 20:40:23,909 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-06 20:40:23,909 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-06 20:40:23,910 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-12-06 20:40:23,910 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-12-06 20:40:23,910 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-06 20:40:23,995 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.12 08:40:23 BoogieIcfgContainer [2021-12-06 20:40:23,996 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-06 20:40:23,996 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-06 20:40:23,996 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-06 20:40:23,996 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-06 20:40:23,996 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 08:40:17" (3/4) ... [2021-12-06 20:40:23,999 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-12-06 20:40:23,999 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-06 20:40:23,999 INFO L158 Benchmark]: Toolchain (without parser) took 8224.98ms. Allocated memory was 119.5MB in the beginning and 226.5MB in the end (delta: 107.0MB). Free memory was 69.8MB in the beginning and 112.8MB in the end (delta: -43.0MB). Peak memory consumption was 64.7MB. Max. memory is 16.1GB. [2021-12-06 20:40:23,999 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 119.5MB. Free memory is still 94.8MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-06 20:40:24,000 INFO L158 Benchmark]: CACSL2BoogieTranslator took 809.46ms. Allocated memory is still 119.5MB. Free memory was 69.8MB in the beginning and 64.5MB in the end (delta: 5.3MB). Peak memory consumption was 48.6MB. Max. memory is 16.1GB. [2021-12-06 20:40:24,000 INFO L158 Benchmark]: Boogie Procedure Inliner took 78.16ms. Allocated memory was 119.5MB in the beginning and 182.5MB in the end (delta: 62.9MB). Free memory was 64.5MB in the beginning and 137.8MB in the end (delta: -73.3MB). Peak memory consumption was 13.4MB. Max. memory is 16.1GB. [2021-12-06 20:40:24,000 INFO L158 Benchmark]: Boogie Preprocessor took 76.10ms. Allocated memory is still 182.5MB. Free memory was 137.8MB in the beginning and 132.8MB in the end (delta: 5.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-12-06 20:40:24,000 INFO L158 Benchmark]: RCFGBuilder took 644.47ms. Allocated memory is still 182.5MB. Free memory was 132.8MB in the beginning and 89.5MB in the end (delta: 43.2MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. [2021-12-06 20:40:24,001 INFO L158 Benchmark]: TraceAbstraction took 6608.78ms. Allocated memory was 182.5MB in the beginning and 226.5MB in the end (delta: 44.0MB). Free memory was 88.7MB in the beginning and 113.8MB in the end (delta: -25.1MB). Peak memory consumption was 84.5MB. Max. memory is 16.1GB. [2021-12-06 20:40:24,001 INFO L158 Benchmark]: Witness Printer took 2.82ms. Allocated memory is still 226.5MB. Free memory was 113.8MB in the beginning and 112.8MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-06 20:40:24,002 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 119.5MB. Free memory is still 94.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 809.46ms. Allocated memory is still 119.5MB. Free memory was 69.8MB in the beginning and 64.5MB in the end (delta: 5.3MB). Peak memory consumption was 48.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 78.16ms. Allocated memory was 119.5MB in the beginning and 182.5MB in the end (delta: 62.9MB). Free memory was 64.5MB in the beginning and 137.8MB in the end (delta: -73.3MB). Peak memory consumption was 13.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 76.10ms. Allocated memory is still 182.5MB. Free memory was 137.8MB in the beginning and 132.8MB in the end (delta: 5.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 644.47ms. Allocated memory is still 182.5MB. Free memory was 132.8MB in the beginning and 89.5MB in the end (delta: 43.2MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. * TraceAbstraction took 6608.78ms. Allocated memory was 182.5MB in the beginning and 226.5MB in the end (delta: 44.0MB). Free memory was 88.7MB in the beginning and 113.8MB in the end (delta: -25.1MB). Peak memory consumption was 84.5MB. Max. memory is 16.1GB. * Witness Printer took 2.82ms. Allocated memory is still 226.5MB. Free memory was 113.8MB in the beginning and 112.8MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 5354]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of bitwiseAnd at line 5431. Possible FailurePath: [L5377] int LDV_IN_INTERRUPT = 1; [L5378] int ref_cnt ; [L5379] int ldv_state_variable_1 ; [L5380] struct archdr *capmode_proto_group0 ; [L5381] int ldv_state_variable_0 ; [L5382] struct net_device *capmode_proto_group1 ; [L5586-L5588] static struct ArcProto capmode_proto = {114, 508, 0, & rx, & build_header, & prepare_tx, (int (*)(struct net_device * , int ))0, & ack_tx}; [L5630] int ldv_retval_0 ; [L5845] Element set_impl[15] ; [L5846] int last_index = 0; [L5980] Set LDV_SKBS ; VAL [capmode_proto={16:0}, capmode_proto_group0={0:0}, capmode_proto_group1={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ref_cnt=0, set_impl={17:0}] [L5647] int ldvarg7 ; [L5648] int tmp ; [L5649] struct sk_buff *ldvarg3 ; [L5650] void *tmp___0 ; [L5651] int ldvarg0 ; [L5652] int tmp___1 ; [L5653] int ldvarg5 ; [L5654] int tmp___2 ; [L5655] int ldvarg6 ; [L5656] int tmp___3 ; [L5657] int ldvarg1 ; [L5658] int tmp___4 ; [L5659] unsigned short ldvarg4 ; [L5660] unsigned short tmp___5 ; [L5661] uint8_t ldvarg2 ; [L5662] int tmp___6 ; [L5663] int tmp___7 ; [L5664] int tmp___8 ; [L5666] tmp = __VERIFIER_nondet_int() [L5667] ldvarg7 = tmp VAL [capmode_proto={16:0}, capmode_proto_group0={0:0}, capmode_proto_group1={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldvarg2={18446744073709551618:0}, ldvarg7=0, ref_cnt=0, set_impl={17:0}, tmp=0] [L5668] CALL, EXPR ldv_successful_zalloc(232UL) VAL [\old(__size)=232, capmode_proto={16:0}, capmode_proto_group0={0:0}, capmode_proto_group1={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ref_cnt=0, set_impl={17:0}] [L5296] EXPR, FCALL calloc(1UL, __size) VAL [\old(__size)=232, __size=232, calloc(1UL, __size)={-2:0}, capmode_proto={16:0}, capmode_proto_group0={0:0}, capmode_proto_group1={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ref_cnt=0, set_impl={17:0}] [L5296] void *p = calloc(1UL, __size); VAL [\old(__size)=232, __size=232, calloc(1UL, __size)={-2:0}, capmode_proto={16:0}, capmode_proto_group0={0:0}, capmode_proto_group1={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, p={-2:0}, ref_cnt=0, set_impl={17:0}] [L5297] CALL assume_abort_if_not(p != (void *)0) VAL [\old(cond)=1, capmode_proto={16:0}, capmode_proto_group0={0:0}, capmode_proto_group1={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ref_cnt=0, set_impl={17:0}] [L5293] COND FALSE !(!cond) VAL [\old(cond)=1, capmode_proto={16:0}, capmode_proto_group0={0:0}, capmode_proto_group1={0:0}, cond=1, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ref_cnt=0, set_impl={17:0}] [L5297] RET assume_abort_if_not(p != (void *)0) VAL [\old(__size)=232, __size=232, calloc(1UL, __size)={-2:0}, capmode_proto={16:0}, capmode_proto_group0={0:0}, capmode_proto_group1={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, p={-2:0}, ref_cnt=0, set_impl={17:0}] [L5298] return p; VAL [\old(__size)=232, \result={-2:0}, __size=232, calloc(1UL, __size)={-2:0}, capmode_proto={16:0}, capmode_proto_group0={0:0}, capmode_proto_group1={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, p={-2:0}, ref_cnt=0, set_impl={17:0}] [L5668] RET, EXPR ldv_successful_zalloc(232UL) VAL [capmode_proto={16:0}, capmode_proto_group0={0:0}, capmode_proto_group1={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_successful_zalloc(232UL)={-2:0}, ldvarg2={18446744073709551618:0}, ldvarg7=0, ref_cnt=0, set_impl={17:0}, tmp=0] [L5668] tmp___0 = ldv_successful_zalloc(232UL) [L5669] ldvarg3 = (struct sk_buff *)tmp___0 [L5670] tmp___1 = __VERIFIER_nondet_int() [L5671] ldvarg0 = tmp___1 [L5672] tmp___2 = __VERIFIER_nondet_int() [L5673] ldvarg5 = tmp___2 [L5674] tmp___3 = __VERIFIER_nondet_int() [L5675] ldvarg6 = tmp___3 [L5676] tmp___4 = __VERIFIER_nondet_int() [L5677] ldvarg1 = tmp___4 [L5678] tmp___5 = __VERIFIER_nondet_ushort() [L5679] ldvarg4 = tmp___5 [L5680] CALL ldv_initialize() [L5999] CALL ldv_set_init(LDV_SKBS) [L5851] set = set_impl [L5852] last_index = 0 VAL [capmode_proto={16:0}, capmode_proto_group0={0:0}, capmode_proto_group1={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ref_cnt=0, set={0:0}, set={17:0}, set_impl={17:0}] [L5999] RET ldv_set_init(LDV_SKBS) [L5680] RET ldv_initialize() [L5681] FCALL memset((void *)(& ldvarg2), 0, 1UL) [L5682] ldv_state_variable_1 = 0 [L5683] ref_cnt = 0 [L5684] ldv_state_variable_0 = 1 VAL [capmode_proto={16:0}, capmode_proto_group0={0:0}, capmode_proto_group1={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=1, ldv_state_variable_1=0, ldvarg0=257, ldvarg1=0, ldvarg2={18446744073709551618:0}, ldvarg3={-2:0}, ldvarg4=13, ldvarg5=-3, ldvarg6=0, ldvarg7=0, ref_cnt=0, set_impl={17:0}, tmp=0, tmp___0={-2:0}, tmp___1=257, tmp___2=-3, tmp___3=0, tmp___4=0, tmp___5=13] [L5686] tmp___6 = __VERIFIER_nondet_int() [L5688] case 0: [L5727] case 1: VAL [capmode_proto={16:0}, capmode_proto_group0={0:0}, capmode_proto_group1={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=1, ldv_state_variable_1=0, ldvarg0=257, ldvarg1=0, ldvarg2={18446744073709551618:0}, ldvarg3={-2:0}, ldvarg4=13, ldvarg5=-3, ldvarg6=0, ldvarg7=0, ref_cnt=0, set_impl={17:0}, tmp=0, tmp___0={-2:0}, tmp___1=257, tmp___2=-3, tmp___3=0, tmp___4=0, tmp___5=13, tmp___6=1] [L5728] COND TRUE ldv_state_variable_0 != 0 [L5729] tmp___8 = __VERIFIER_nondet_int() [L5731] case 0: [L5739] case 1: VAL [capmode_proto={16:0}, capmode_proto_group0={0:0}, capmode_proto_group1={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=1, ldv_state_variable_1=0, ldvarg0=257, ldvarg1=0, ldvarg2={18446744073709551618:0}, ldvarg3={-2:0}, ldvarg4=13, ldvarg5=-3, ldvarg6=0, ldvarg7=0, ref_cnt=0, set_impl={17:0}, tmp=0, tmp___0={-2:0}, tmp___1=257, tmp___2=-3, tmp___3=0, tmp___4=0, tmp___5=13, tmp___6=1, tmp___8=1] [L5740] COND TRUE ldv_state_variable_0 == 1 [L5741] CALL, EXPR capmode_module_init() [L5619] CALL arcnet_cap_init() [L5591] int count ; [L5593] count = 1 VAL [capmode_proto={16:0}, capmode_proto_group0={0:0}, capmode_proto_group1={0:0}, count=1, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=1, ldv_state_variable_1=0, ref_cnt=0, set_impl={17:0}] [L5602] COND TRUE count <= 8 VAL [capmode_proto={16:0}, capmode_proto_group0={0:0}, capmode_proto_group1={0:0}, count=1, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=1, ldv_state_variable_1=0, ref_cnt=0, set_impl={17:0}] [L5596] EXPR arc_proto_map[count] VAL [arc_proto_map={18446744073709551623:15}, arc_proto_map[count]={0:0}, capmode_proto={16:0}, capmode_proto_group0={0:0}, capmode_proto_group1={0:0}, count=1, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=1, ldv_state_variable_1=0, ref_cnt=0, set_impl={17:0}] [L5596] COND TRUE (unsigned long )arc_proto_map[count] == (unsigned long )arc_proto_default [L5597] arc_proto_map[count] = & capmode_proto VAL [arc_proto_default={0:0}, arc_proto_map={18446744073709551623:15}, capmode_proto={16:0}, capmode_proto_group0={0:0}, capmode_proto_group1={0:0}, count=1, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=1, ldv_state_variable_1=0, ref_cnt=0, set_impl={17:0}] [L5600] count = count + 1 VAL [arc_proto_default={0:0}, arc_proto_map={18446744073709551623:15}, capmode_proto={16:0}, capmode_proto_group0={0:0}, capmode_proto_group1={0:0}, count=2, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=1, ldv_state_variable_1=0, ref_cnt=0, set_impl={17:0}] [L5602] COND TRUE count <= 8 VAL [arc_proto_default={0:0}, arc_proto_map={18446744073709551623:15}, capmode_proto={16:0}, capmode_proto_group0={0:0}, capmode_proto_group1={0:0}, count=2, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=1, ldv_state_variable_1=0, ref_cnt=0, set_impl={17:0}] [L5596] EXPR arc_proto_map[count] VAL [arc_proto_default={0:0}, arc_proto_map={18446744073709551623:15}, arc_proto_map[count]={0:0}, capmode_proto={16:0}, capmode_proto_group0={0:0}, capmode_proto_group1={0:0}, count=2, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=1, ldv_state_variable_1=0, ref_cnt=0, set_impl={17:0}] [L5596] COND TRUE (unsigned long )arc_proto_map[count] == (unsigned long )arc_proto_default [L5597] arc_proto_map[count] = & capmode_proto VAL [arc_proto_default={0:0}, arc_proto_map={18446744073709551623:15}, capmode_proto={16:0}, capmode_proto_group0={0:0}, capmode_proto_group1={0:0}, count=2, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=1, ldv_state_variable_1=0, ref_cnt=0, set_impl={17:0}] [L5600] count = count + 1 VAL [arc_proto_default={0:0}, arc_proto_map={18446744073709551623:15}, capmode_proto={16:0}, capmode_proto_group0={0:0}, capmode_proto_group1={0:0}, count=3, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=1, ldv_state_variable_1=0, ref_cnt=0, set_impl={17:0}] [L5602] COND TRUE count <= 8 VAL [arc_proto_default={0:0}, arc_proto_map={18446744073709551623:15}, capmode_proto={16:0}, capmode_proto_group0={0:0}, capmode_proto_group1={0:0}, count=3, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=1, ldv_state_variable_1=0, ref_cnt=0, set_impl={17:0}] [L5596] EXPR arc_proto_map[count] VAL [arc_proto_default={0:0}, arc_proto_map={18446744073709551623:15}, arc_proto_map[count]={0:0}, capmode_proto={16:0}, capmode_proto_group0={0:0}, capmode_proto_group1={0:0}, count=3, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=1, ldv_state_variable_1=0, ref_cnt=0, set_impl={17:0}] [L5596] COND TRUE (unsigned long )arc_proto_map[count] == (unsigned long )arc_proto_default [L5597] arc_proto_map[count] = & capmode_proto VAL [arc_proto_default={0:0}, arc_proto_map={18446744073709551623:15}, capmode_proto={16:0}, capmode_proto_group0={0:0}, capmode_proto_group1={0:0}, count=3, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=1, ldv_state_variable_1=0, ref_cnt=0, set_impl={17:0}] [L5600] count = count + 1 VAL [arc_proto_default={0:0}, arc_proto_map={18446744073709551623:15}, capmode_proto={16:0}, capmode_proto_group0={0:0}, capmode_proto_group1={0:0}, count=4, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=1, ldv_state_variable_1=0, ref_cnt=0, set_impl={17:0}] [L5602] COND TRUE count <= 8 VAL [arc_proto_default={0:0}, arc_proto_map={18446744073709551623:15}, capmode_proto={16:0}, capmode_proto_group0={0:0}, capmode_proto_group1={0:0}, count=4, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=1, ldv_state_variable_1=0, ref_cnt=0, set_impl={17:0}] [L5596] EXPR arc_proto_map[count] VAL [arc_proto_default={0:0}, arc_proto_map={18446744073709551623:15}, arc_proto_map[count]={0:0}, capmode_proto={16:0}, capmode_proto_group0={0:0}, capmode_proto_group1={0:0}, count=4, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=1, ldv_state_variable_1=0, ref_cnt=0, set_impl={17:0}] [L5596] COND TRUE (unsigned long )arc_proto_map[count] == (unsigned long )arc_proto_default [L5597] arc_proto_map[count] = & capmode_proto VAL [arc_proto_default={0:0}, arc_proto_map={18446744073709551623:15}, capmode_proto={16:0}, capmode_proto_group0={0:0}, capmode_proto_group1={0:0}, count=4, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=1, ldv_state_variable_1=0, ref_cnt=0, set_impl={17:0}] [L5600] count = count + 1 VAL [arc_proto_default={0:0}, arc_proto_map={18446744073709551623:15}, capmode_proto={16:0}, capmode_proto_group0={0:0}, capmode_proto_group1={0:0}, count=5, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=1, ldv_state_variable_1=0, ref_cnt=0, set_impl={17:0}] [L5602] COND TRUE count <= 8 VAL [arc_proto_default={0:0}, arc_proto_map={18446744073709551623:15}, capmode_proto={16:0}, capmode_proto_group0={0:0}, capmode_proto_group1={0:0}, count=5, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=1, ldv_state_variable_1=0, ref_cnt=0, set_impl={17:0}] [L5596] EXPR arc_proto_map[count] VAL [arc_proto_default={0:0}, arc_proto_map={18446744073709551623:15}, arc_proto_map[count]={0:0}, capmode_proto={16:0}, capmode_proto_group0={0:0}, capmode_proto_group1={0:0}, count=5, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=1, ldv_state_variable_1=0, ref_cnt=0, set_impl={17:0}] [L5596] COND TRUE (unsigned long )arc_proto_map[count] == (unsigned long )arc_proto_default [L5597] arc_proto_map[count] = & capmode_proto VAL [arc_proto_default={0:0}, arc_proto_map={18446744073709551623:15}, capmode_proto={16:0}, capmode_proto_group0={0:0}, capmode_proto_group1={0:0}, count=5, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=1, ldv_state_variable_1=0, ref_cnt=0, set_impl={17:0}] [L5600] count = count + 1 VAL [arc_proto_default={0:0}, arc_proto_map={18446744073709551623:15}, capmode_proto={16:0}, capmode_proto_group0={0:0}, capmode_proto_group1={0:0}, count=6, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=1, ldv_state_variable_1=0, ref_cnt=0, set_impl={17:0}] [L5602] COND TRUE count <= 8 VAL [arc_proto_default={0:0}, arc_proto_map={18446744073709551623:15}, capmode_proto={16:0}, capmode_proto_group0={0:0}, capmode_proto_group1={0:0}, count=6, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=1, ldv_state_variable_1=0, ref_cnt=0, set_impl={17:0}] [L5596] EXPR arc_proto_map[count] VAL [arc_proto_default={0:0}, arc_proto_map={18446744073709551623:15}, arc_proto_map[count]={0:0}, capmode_proto={16:0}, capmode_proto_group0={0:0}, capmode_proto_group1={0:0}, count=6, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=1, ldv_state_variable_1=0, ref_cnt=0, set_impl={17:0}] [L5596] COND TRUE (unsigned long )arc_proto_map[count] == (unsigned long )arc_proto_default [L5597] arc_proto_map[count] = & capmode_proto VAL [arc_proto_default={0:0}, arc_proto_map={18446744073709551623:15}, capmode_proto={16:0}, capmode_proto_group0={0:0}, capmode_proto_group1={0:0}, count=6, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=1, ldv_state_variable_1=0, ref_cnt=0, set_impl={17:0}] [L5600] count = count + 1 VAL [arc_proto_default={0:0}, arc_proto_map={18446744073709551623:15}, capmode_proto={16:0}, capmode_proto_group0={0:0}, capmode_proto_group1={0:0}, count=7, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=1, ldv_state_variable_1=0, ref_cnt=0, set_impl={17:0}] [L5602] COND TRUE count <= 8 VAL [arc_proto_default={0:0}, arc_proto_map={18446744073709551623:15}, capmode_proto={16:0}, capmode_proto_group0={0:0}, capmode_proto_group1={0:0}, count=7, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=1, ldv_state_variable_1=0, ref_cnt=0, set_impl={17:0}] [L5596] EXPR arc_proto_map[count] VAL [arc_proto_default={0:0}, arc_proto_map={18446744073709551623:15}, arc_proto_map[count]={0:0}, capmode_proto={16:0}, capmode_proto_group0={0:0}, capmode_proto_group1={0:0}, count=7, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=1, ldv_state_variable_1=0, ref_cnt=0, set_impl={17:0}] [L5596] COND TRUE (unsigned long )arc_proto_map[count] == (unsigned long )arc_proto_default [L5597] arc_proto_map[count] = & capmode_proto VAL [arc_proto_default={0:0}, arc_proto_map={18446744073709551623:15}, capmode_proto={16:0}, capmode_proto_group0={0:0}, capmode_proto_group1={0:0}, count=7, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=1, ldv_state_variable_1=0, ref_cnt=0, set_impl={17:0}] [L5600] count = count + 1 VAL [arc_proto_default={0:0}, arc_proto_map={18446744073709551623:15}, capmode_proto={16:0}, capmode_proto_group0={0:0}, capmode_proto_group1={0:0}, count=8, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=1, ldv_state_variable_1=0, ref_cnt=0, set_impl={17:0}] [L5602] COND TRUE count <= 8 VAL [arc_proto_default={0:0}, arc_proto_map={18446744073709551623:15}, capmode_proto={16:0}, capmode_proto_group0={0:0}, capmode_proto_group1={0:0}, count=8, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=1, ldv_state_variable_1=0, ref_cnt=0, set_impl={17:0}] [L5596] EXPR arc_proto_map[count] VAL [arc_proto_default={0:0}, arc_proto_map={18446744073709551623:15}, arc_proto_map[count]={0:0}, capmode_proto={16:0}, capmode_proto_group0={0:0}, capmode_proto_group1={0:0}, count=8, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=1, ldv_state_variable_1=0, ref_cnt=0, set_impl={17:0}] [L5596] COND TRUE (unsigned long )arc_proto_map[count] == (unsigned long )arc_proto_default [L5597] arc_proto_map[count] = & capmode_proto VAL [arc_proto_default={0:0}, arc_proto_map={18446744073709551623:15}, capmode_proto={16:0}, capmode_proto_group0={0:0}, capmode_proto_group1={0:0}, count=8, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=1, ldv_state_variable_1=0, ref_cnt=0, set_impl={17:0}] [L5600] count = count + 1 VAL [arc_proto_default={0:0}, arc_proto_map={18446744073709551623:15}, capmode_proto={16:0}, capmode_proto_group0={0:0}, capmode_proto_group1={0:0}, count=9, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=1, ldv_state_variable_1=0, ref_cnt=0, set_impl={17:0}] [L5602] COND FALSE !(count <= 8) VAL [arc_proto_default={0:0}, arc_proto_map={18446744073709551623:15}, capmode_proto={16:0}, capmode_proto_group0={0:0}, capmode_proto_group1={0:0}, count=9, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=1, ldv_state_variable_1=0, ref_cnt=0, set_impl={17:0}] [L5606] COND TRUE (unsigned long )arc_bcast_proto == (unsigned long )arc_proto_default [L5607] arc_bcast_proto = & capmode_proto VAL [arc_bcast_proto={16:0}, arc_proto_default={0:0}, arc_proto_map={18446744073709551623:15}, capmode_proto={16:0}, capmode_proto_group0={0:0}, capmode_proto_group1={0:0}, count=9, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=1, ldv_state_variable_1=0, ref_cnt=0, set_impl={17:0}] [L5610] arc_proto_default = & capmode_proto [L5611] arc_raw_proto = & capmode_proto VAL [arc_bcast_proto={16:0}, arc_proto_default={16:0}, arc_proto_map={18446744073709551623:15}, arc_raw_proto={16:0}, capmode_proto={16:0}, capmode_proto_group0={0:0}, capmode_proto_group1={0:0}, count=9, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=1, ldv_state_variable_1=0, ref_cnt=0, set_impl={17:0}] [L5619] RET arcnet_cap_init() [L5620] return (0); VAL [\result=0, arc_bcast_proto={16:0}, arc_proto_default={16:0}, arc_proto_map={18446744073709551623:15}, arc_raw_proto={16:0}, capmode_proto={16:0}, capmode_proto_group0={0:0}, capmode_proto_group1={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=1, ldv_state_variable_1=0, ref_cnt=0, set_impl={17:0}] [L5741] RET, EXPR capmode_module_init() [L5741] ldv_retval_0 = capmode_module_init() [L5742] COND TRUE ldv_retval_0 == 0 [L5743] ldv_state_variable_0 = 3 [L5744] ldv_state_variable_1 = 1 [L5745] CALL ldv_initialize_ArcProto_1() [L5635] void *tmp ; [L5636] void *tmp___0 ; VAL [arc_bcast_proto={16:0}, arc_proto_default={16:0}, arc_proto_map={18446744073709551623:15}, arc_raw_proto={16:0}, capmode_proto={16:0}, capmode_proto_group0={0:0}, capmode_proto_group1={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ref_cnt=0, set_impl={17:0}] [L5638] CALL, EXPR ldv_successful_zalloc(20UL) VAL [\old(__size)=20, arc_bcast_proto={16:0}, arc_proto_default={16:0}, arc_proto_map={18446744073709551623:15}, arc_raw_proto={16:0}, capmode_proto={16:0}, capmode_proto_group0={0:0}, capmode_proto_group1={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ref_cnt=0, set_impl={17:0}] [L5296] EXPR, FCALL calloc(1UL, __size) VAL [\old(__size)=20, __size=20, arc_bcast_proto={16:0}, arc_proto_default={16:0}, arc_proto_map={18446744073709551623:15}, arc_raw_proto={16:0}, calloc(1UL, __size)={-4:0}, capmode_proto={16:0}, capmode_proto_group0={0:0}, capmode_proto_group1={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ref_cnt=0, set_impl={17:0}] [L5296] void *p = calloc(1UL, __size); VAL [\old(__size)=20, __size=20, arc_bcast_proto={16:0}, arc_proto_default={16:0}, arc_proto_map={18446744073709551623:15}, arc_raw_proto={16:0}, calloc(1UL, __size)={-4:0}, capmode_proto={16:0}, capmode_proto_group0={0:0}, capmode_proto_group1={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, p={-4:0}, ref_cnt=0, set_impl={17:0}] [L5297] CALL assume_abort_if_not(p != (void *)0) VAL [\old(cond)=1, arc_bcast_proto={16:0}, arc_proto_default={16:0}, arc_proto_map={18446744073709551623:15}, arc_raw_proto={16:0}, capmode_proto={16:0}, capmode_proto_group0={0:0}, capmode_proto_group1={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ref_cnt=0, set_impl={17:0}] [L5293] COND FALSE !(!cond) VAL [\old(cond)=1, arc_bcast_proto={16:0}, arc_proto_default={16:0}, arc_proto_map={18446744073709551623:15}, arc_raw_proto={16:0}, capmode_proto={16:0}, capmode_proto_group0={0:0}, capmode_proto_group1={0:0}, cond=1, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ref_cnt=0, set_impl={17:0}] [L5297] RET assume_abort_if_not(p != (void *)0) VAL [\old(__size)=20, __size=20, arc_bcast_proto={16:0}, arc_proto_default={16:0}, arc_proto_map={18446744073709551623:15}, arc_raw_proto={16:0}, calloc(1UL, __size)={-4:0}, capmode_proto={16:0}, capmode_proto_group0={0:0}, capmode_proto_group1={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, p={-4:0}, ref_cnt=0, set_impl={17:0}] [L5298] return p; VAL [\old(__size)=20, \result={-4:0}, __size=20, arc_bcast_proto={16:0}, arc_proto_default={16:0}, arc_proto_map={18446744073709551623:15}, arc_raw_proto={16:0}, calloc(1UL, __size)={-4:0}, capmode_proto={16:0}, capmode_proto_group0={0:0}, capmode_proto_group1={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, p={-4:0}, ref_cnt=0, set_impl={17:0}] [L5638] RET, EXPR ldv_successful_zalloc(20UL) VAL [arc_bcast_proto={16:0}, arc_proto_default={16:0}, arc_proto_map={18446744073709551623:15}, arc_raw_proto={16:0}, capmode_proto={16:0}, capmode_proto_group0={0:0}, capmode_proto_group1={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_successful_zalloc(20UL)={-4:0}, ref_cnt=0, set_impl={17:0}] [L5638] tmp = ldv_successful_zalloc(20UL) [L5639] capmode_proto_group0 = (struct archdr *)tmp VAL [arc_bcast_proto={16:0}, arc_proto_default={16:0}, arc_proto_map={18446744073709551623:15}, arc_raw_proto={16:0}, capmode_proto={16:0}, capmode_proto_group0={-4:0}, capmode_proto_group1={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ref_cnt=0, set_impl={17:0}, tmp={-4:0}] [L5640] CALL, EXPR ldv_successful_zalloc(3264UL) VAL [\old(__size)=3264, arc_bcast_proto={16:0}, arc_proto_default={16:0}, arc_proto_map={18446744073709551623:15}, arc_raw_proto={16:0}, capmode_proto={16:0}, capmode_proto_group0={-4:0}, capmode_proto_group1={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ref_cnt=0, set_impl={17:0}] [L5296] EXPR, FCALL calloc(1UL, __size) VAL [\old(__size)=3264, __size=3264, arc_bcast_proto={16:0}, arc_proto_default={16:0}, arc_proto_map={18446744073709551623:15}, arc_raw_proto={16:0}, calloc(1UL, __size)={-5:0}, capmode_proto={16:0}, capmode_proto_group0={-4:0}, capmode_proto_group1={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ref_cnt=0, set_impl={17:0}] [L5296] void *p = calloc(1UL, __size); VAL [\old(__size)=3264, __size=3264, arc_bcast_proto={16:0}, arc_proto_default={16:0}, arc_proto_map={18446744073709551623:15}, arc_raw_proto={16:0}, calloc(1UL, __size)={-5:0}, capmode_proto={16:0}, capmode_proto_group0={-4:0}, capmode_proto_group1={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, p={-5:0}, ref_cnt=0, set_impl={17:0}] [L5297] CALL assume_abort_if_not(p != (void *)0) VAL [\old(cond)=1, arc_bcast_proto={16:0}, arc_proto_default={16:0}, arc_proto_map={18446744073709551623:15}, arc_raw_proto={16:0}, capmode_proto={16:0}, capmode_proto_group0={-4:0}, capmode_proto_group1={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ref_cnt=0, set_impl={17:0}] [L5293] COND FALSE !(!cond) VAL [\old(cond)=1, arc_bcast_proto={16:0}, arc_proto_default={16:0}, arc_proto_map={18446744073709551623:15}, arc_raw_proto={16:0}, capmode_proto={16:0}, capmode_proto_group0={-4:0}, capmode_proto_group1={0:0}, cond=1, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ref_cnt=0, set_impl={17:0}] [L5297] RET assume_abort_if_not(p != (void *)0) VAL [\old(__size)=3264, __size=3264, arc_bcast_proto={16:0}, arc_proto_default={16:0}, arc_proto_map={18446744073709551623:15}, arc_raw_proto={16:0}, calloc(1UL, __size)={-5:0}, capmode_proto={16:0}, capmode_proto_group0={-4:0}, capmode_proto_group1={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, p={-5:0}, ref_cnt=0, set_impl={17:0}] [L5298] return p; VAL [\old(__size)=3264, \result={-5:0}, __size=3264, arc_bcast_proto={16:0}, arc_proto_default={16:0}, arc_proto_map={18446744073709551623:15}, arc_raw_proto={16:0}, calloc(1UL, __size)={-5:0}, capmode_proto={16:0}, capmode_proto_group0={-4:0}, capmode_proto_group1={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, p={-5:0}, ref_cnt=0, set_impl={17:0}] [L5640] RET, EXPR ldv_successful_zalloc(3264UL) VAL [arc_bcast_proto={16:0}, arc_proto_default={16:0}, arc_proto_map={18446744073709551623:15}, arc_raw_proto={16:0}, capmode_proto={16:0}, capmode_proto_group0={-4:0}, capmode_proto_group1={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_successful_zalloc(3264UL)={-5:0}, ref_cnt=0, set_impl={17:0}, tmp={-4:0}] [L5640] tmp___0 = ldv_successful_zalloc(3264UL) [L5641] capmode_proto_group1 = (struct net_device *)tmp___0 VAL [arc_bcast_proto={16:0}, arc_proto_default={16:0}, arc_proto_map={18446744073709551623:15}, arc_raw_proto={16:0}, capmode_proto={16:0}, capmode_proto_group0={-4:0}, capmode_proto_group1={-5:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ref_cnt=0, set_impl={17:0}, tmp={-4:0}, tmp___0={-5:0}] [L5745] RET ldv_initialize_ArcProto_1() [L5748] COND FALSE !(ldv_retval_0 != 0) VAL [arc_bcast_proto={16:0}, arc_proto_default={16:0}, arc_proto_map={18446744073709551623:15}, arc_raw_proto={16:0}, capmode_proto={16:0}, capmode_proto_group0={-4:0}, capmode_proto_group1={-5:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldvarg0=257, ldvarg1=0, ldvarg2={18446744073709551618:0}, ldvarg3={-2:0}, ldvarg4=13, ldvarg5=-3, ldvarg6=0, ldvarg7=0, ref_cnt=0, set_impl={17:0}, tmp=0, tmp___0={-2:0}, tmp___1=257, tmp___2=-3, tmp___3=0, tmp___4=0, tmp___5=13, tmp___6=1, tmp___8=1] [L5686] tmp___6 = __VERIFIER_nondet_int() [L5688] case 0: VAL [arc_bcast_proto={16:0}, arc_proto_default={16:0}, arc_proto_map={18446744073709551623:15}, arc_raw_proto={16:0}, capmode_proto={16:0}, capmode_proto_group0={-4:0}, capmode_proto_group1={-5:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldvarg0=257, ldvarg1=0, ldvarg2={18446744073709551618:0}, ldvarg3={-2:0}, ldvarg4=13, ldvarg5=-3, ldvarg6=0, ldvarg7=0, ref_cnt=0, set_impl={17:0}, tmp=0, tmp___0={-2:0}, tmp___1=257, tmp___2=-3, tmp___3=0, tmp___4=0, tmp___5=13, tmp___6=0, tmp___8=1] [L5689] COND TRUE ldv_state_variable_1 != 0 [L5690] tmp___7 = __VERIFIER_nondet_int() [L5692] case 0: [L5699] case 1: [L5706] case 2: [L5713] case 3: VAL [arc_bcast_proto={16:0}, arc_proto_default={16:0}, arc_proto_map={18446744073709551623:15}, arc_raw_proto={16:0}, capmode_proto={16:0}, capmode_proto_group0={-4:0}, capmode_proto_group1={-5:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldvarg0=257, ldvarg1=0, ldvarg2={18446744073709551618:0}, ldvarg3={-2:0}, ldvarg4=13, ldvarg5=-3, ldvarg6=0, ldvarg7=0, ref_cnt=0, set_impl={17:0}, tmp=0, tmp___0={-2:0}, tmp___1=257, tmp___2=-3, tmp___3=0, tmp___4=0, tmp___5=13, tmp___6=0, tmp___7=3, tmp___8=1] [L5714] COND TRUE ldv_state_variable_1 == 1 [L5715] CALL rx(capmode_proto_group1, ldvarg1, capmode_proto_group0, ldvarg0) [L5408] struct arcnet_local *lp ; [L5409] void *tmp ; [L5410] struct sk_buff *skb ; [L5411] struct archdr *pkt ; [L5412] char *pktbuf ; [L5413] char *pkthdrbuf ; [L5414] int ofs ; [L5415] unsigned char *tmp___0 ; [L5416] size_t __len ; [L5417] void *__ret ; [L5418] size_t __len___0 ; [L5419] void *__ret___0 ; VAL [\old(bufnum)=0, \old(length)=257, arc_bcast_proto={16:0}, arc_proto_default={16:0}, arc_proto_map={18446744073709551623:15}, arc_raw_proto={16:0}, bufnum=0, capmode_proto={16:0}, capmode_proto_group0={-4:0}, capmode_proto_group1={-5:0}, dev={-5:0}, dev={-5:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, length=257, pkthdr={-4:0}, pkthdr={-4:0}, ref_cnt=0, set_impl={17:0}] [L5421] CALL, EXPR netdev_priv((struct net_device const *)dev) VAL [arc_bcast_proto={16:0}, arc_proto_default={16:0}, arc_proto_map={18446744073709551623:15}, arc_raw_proto={16:0}, capmode_proto={16:0}, capmode_proto_group0={-4:0}, capmode_proto_group1={-5:0}, dev={-5:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ref_cnt=0, set_impl={17:0}] [L5387] return ((void *)dev + 3264U); VAL [\result={-5:3264}, arc_bcast_proto={16:0}, arc_proto_default={16:0}, arc_proto_map={18446744073709551623:15}, arc_raw_proto={16:0}, capmode_proto={16:0}, capmode_proto_group0={-4:0}, capmode_proto_group1={-5:0}, dev={-5:0}, dev={-5:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ref_cnt=0, set_impl={17:0}] [L5421] RET, EXPR netdev_priv((struct net_device const *)dev) VAL [\old(bufnum)=0, \old(length)=257, arc_bcast_proto={16:0}, arc_proto_default={16:0}, arc_proto_map={18446744073709551623:15}, arc_raw_proto={16:0}, bufnum=0, capmode_proto={16:0}, capmode_proto_group0={-4:0}, capmode_proto_group1={-5:0}, dev={-5:0}, dev={-5:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, length=257, netdev_priv((struct net_device const *)dev)={-5:3264}, pkthdr={-4:0}, pkthdr={-4:0}, ref_cnt=0, set_impl={17:0}] [L5421] tmp = netdev_priv((struct net_device const *)dev) [L5422] lp = (struct arcnet_local *)tmp [L5423] pkt = pkthdr VAL [\old(bufnum)=0, \old(length)=257, arc_bcast_proto={16:0}, arc_proto_default={16:0}, arc_proto_map={18446744073709551623:15}, arc_raw_proto={16:0}, bufnum=0, capmode_proto={16:0}, capmode_proto_group0={-4:0}, capmode_proto_group1={-5:0}, dev={-5:0}, dev={-5:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, length=257, lp={-5:3264}, pkt={-4:0}, pkthdr={-4:0}, pkthdr={-4:0}, ref_cnt=0, set_impl={17:0}, tmp={-5:3264}] [L5424] COND TRUE length > 256 [L5425] ofs = 512 - length VAL [\old(bufnum)=0, \old(length)=257, arc_bcast_proto={16:0}, arc_proto_default={16:0}, arc_proto_map={18446744073709551623:15}, arc_raw_proto={16:0}, bufnum=0, capmode_proto={16:0}, capmode_proto_group0={-4:0}, capmode_proto_group1={-5:0}, dev={-5:0}, dev={-5:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, length=257, lp={-5:3264}, ofs=255, pkt={-4:0}, pkthdr={-4:0}, pkthdr={-4:0}, ref_cnt=0, set_impl={17:0}, tmp={-5:3264}] [L5429] CALL, EXPR ldv_alloc_skb_14((unsigned int )length + 8U, 32U) VAL [\old(last_index)=0, \old(priority)=32, \old(size)=265, arc_bcast_proto={16:0}, arc_proto_default={16:0}, arc_proto_map={18446744073709551623:15}, arc_raw_proto={16:0}, capmode_proto={16:0}, capmode_proto_group0={-4:0}, capmode_proto_group1={-5:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ref_cnt=0, set_impl={17:0}] [L5817] struct sk_buff *tmp ; VAL [\old(last_index)=0, \old(priority)=32, \old(size)=265, arc_bcast_proto={16:0}, arc_proto_default={16:0}, arc_proto_map={18446744073709551623:15}, arc_raw_proto={16:0}, capmode_proto={16:0}, capmode_proto_group0={-4:0}, capmode_proto_group1={-5:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, priority=32, ref_cnt=0, set_impl={17:0}, size=265] [L5819] CALL, EXPR ldv_skb_alloc() VAL [\old(last_index)=0, arc_bcast_proto={16:0}, arc_proto_default={16:0}, arc_proto_map={18446744073709551623:15}, arc_raw_proto={16:0}, capmode_proto={16:0}, capmode_proto_group0={-4:0}, capmode_proto_group1={-5:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ref_cnt=0, set_impl={17:0}] [L5983] void *skb ; [L5984] void *tmp___7 ; VAL [\old(last_index)=0, arc_bcast_proto={16:0}, arc_proto_default={16:0}, arc_proto_map={18446744073709551623:15}, arc_raw_proto={16:0}, capmode_proto={16:0}, capmode_proto_group0={-4:0}, capmode_proto_group1={-5:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ref_cnt=0, set_impl={17:0}] [L5986] CALL, EXPR ldv_successful_zalloc(sizeof(struct sk_buff___0 )) VAL [\old(__size)=248, \old(last_index)=0, arc_bcast_proto={16:0}, arc_proto_default={16:0}, arc_proto_map={18446744073709551623:15}, arc_raw_proto={16:0}, capmode_proto={16:0}, capmode_proto_group0={-4:0}, capmode_proto_group1={-5:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ref_cnt=0, set_impl={17:0}] [L5296] EXPR, FCALL calloc(1UL, __size) VAL [\old(__size)=248, \old(last_index)=0, __size=248, arc_bcast_proto={16:0}, arc_proto_default={16:0}, arc_proto_map={18446744073709551623:15}, arc_raw_proto={16:0}, calloc(1UL, __size)={18446744073709551616:0}, capmode_proto={16:0}, capmode_proto_group0={-4:0}, capmode_proto_group1={-5:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ref_cnt=0, set_impl={17:0}] [L5296] void *p = calloc(1UL, __size); VAL [\old(__size)=248, \old(last_index)=0, __size=248, arc_bcast_proto={16:0}, arc_proto_default={16:0}, arc_proto_map={18446744073709551623:15}, arc_raw_proto={16:0}, calloc(1UL, __size)={18446744073709551616:0}, capmode_proto={16:0}, capmode_proto_group0={-4:0}, capmode_proto_group1={-5:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, p={18446744073709551616:0}, ref_cnt=0, set_impl={17:0}] [L5297] CALL assume_abort_if_not(p != (void *)0) VAL [\old(cond)=1, \old(last_index)=0, arc_bcast_proto={16:0}, arc_proto_default={16:0}, arc_proto_map={18446744073709551623:15}, arc_raw_proto={16:0}, capmode_proto={16:0}, capmode_proto_group0={-4:0}, capmode_proto_group1={-5:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ref_cnt=0, set_impl={17:0}] [L5293] COND FALSE !(!cond) VAL [\old(cond)=1, \old(last_index)=0, arc_bcast_proto={16:0}, arc_proto_default={16:0}, arc_proto_map={18446744073709551623:15}, arc_raw_proto={16:0}, capmode_proto={16:0}, capmode_proto_group0={-4:0}, capmode_proto_group1={-5:0}, cond=1, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ref_cnt=0, set_impl={17:0}] [L5297] RET assume_abort_if_not(p != (void *)0) VAL [\old(__size)=248, \old(last_index)=0, __size=248, arc_bcast_proto={16:0}, arc_proto_default={16:0}, arc_proto_map={18446744073709551623:15}, arc_raw_proto={16:0}, calloc(1UL, __size)={18446744073709551616:0}, capmode_proto={16:0}, capmode_proto_group0={-4:0}, capmode_proto_group1={-5:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, p={18446744073709551616:0}, ref_cnt=0, set_impl={17:0}] [L5298] return p; VAL [\old(__size)=248, \old(last_index)=0, \result={18446744073709551616:0}, __size=248, arc_bcast_proto={16:0}, arc_proto_default={16:0}, arc_proto_map={18446744073709551623:15}, arc_raw_proto={16:0}, calloc(1UL, __size)={18446744073709551616:0}, capmode_proto={16:0}, capmode_proto_group0={-4:0}, capmode_proto_group1={-5:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, p={18446744073709551616:0}, ref_cnt=0, set_impl={17:0}] [L5986] RET, EXPR ldv_successful_zalloc(sizeof(struct sk_buff___0 )) VAL [\old(last_index)=0, arc_bcast_proto={16:0}, arc_proto_default={16:0}, arc_proto_map={18446744073709551623:15}, arc_raw_proto={16:0}, capmode_proto={16:0}, capmode_proto_group0={-4:0}, capmode_proto_group1={-5:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_successful_zalloc(sizeof(struct sk_buff___0 ))={18446744073709551616:0}, ref_cnt=0, set_impl={17:0}] [L5986] tmp___7 = ldv_successful_zalloc(sizeof(struct sk_buff___0 )) [L5987] skb = (struct sk_buff___0 *)tmp___7 VAL [\old(last_index)=0, arc_bcast_proto={16:0}, arc_proto_default={16:0}, arc_proto_map={18446744073709551623:15}, arc_raw_proto={16:0}, capmode_proto={16:0}, capmode_proto_group0={-4:0}, capmode_proto_group1={-5:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ref_cnt=0, set_impl={17:0}, skb={18446744073709551616:0}, tmp___7={18446744073709551616:0}] [L5988] COND FALSE !(! skb) [L5991] CALL ldv_set_add(LDV_SKBS, skb) [L5859] int i ; [L5861] i = 0 VAL [\old(last_index)=0, arc_bcast_proto={16:0}, arc_proto_default={16:0}, arc_proto_map={18446744073709551623:15}, arc_raw_proto={16:0}, capmode_proto={16:0}, capmode_proto_group0={-4:0}, capmode_proto_group1={-5:0}, e={18446744073709551616:0}, e={18446744073709551616:0}, i=0, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ref_cnt=0, set={0:0}, set={0:0}, set_impl={17:0}] [L5862] COND TRUE 1 VAL [\old(last_index)=0, arc_bcast_proto={16:0}, arc_proto_default={16:0}, arc_proto_map={18446744073709551623:15}, arc_raw_proto={16:0}, capmode_proto={16:0}, capmode_proto_group0={-4:0}, capmode_proto_group1={-5:0}, e={18446744073709551616:0}, e={18446744073709551616:0}, i=0, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ref_cnt=0, set={0:0}, set={0:0}, set_impl={17:0}] [L5863] COND FALSE !(i < last_index) VAL [\old(last_index)=0, arc_bcast_proto={16:0}, arc_proto_default={16:0}, arc_proto_map={18446744073709551623:15}, arc_raw_proto={16:0}, capmode_proto={16:0}, capmode_proto_group0={-4:0}, capmode_proto_group1={-5:0}, e={18446744073709551616:0}, e={18446744073709551616:0}, i=0, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ref_cnt=0, set={0:0}, set={0:0}, set_impl={17:0}] [L5873] COND TRUE last_index < 15 [L5874] set_impl[last_index] = e [L5875] last_index = last_index + 1 VAL [\old(last_index)=0, arc_bcast_proto={16:0}, arc_proto_default={16:0}, arc_proto_map={18446744073709551623:15}, arc_raw_proto={16:0}, capmode_proto={16:0}, capmode_proto_group0={-4:0}, capmode_proto_group1={-5:0}, e={18446744073709551616:0}, e={18446744073709551616:0}, i=0, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ref_cnt=0, set={0:0}, set={0:0}, set_impl={17:0}] [L5991] RET ldv_set_add(LDV_SKBS, skb) [L5992] return (skb); VAL [\old(last_index)=0, \result={18446744073709551616:0}, arc_bcast_proto={16:0}, arc_proto_default={16:0}, arc_proto_map={18446744073709551623:15}, arc_raw_proto={16:0}, capmode_proto={16:0}, capmode_proto_group0={-4:0}, capmode_proto_group1={-5:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ref_cnt=0, set_impl={17:0}, skb={18446744073709551616:0}, tmp___7={18446744073709551616:0}] [L5819] RET, EXPR ldv_skb_alloc() VAL [\old(last_index)=0, \old(priority)=32, \old(size)=265, arc_bcast_proto={16:0}, arc_proto_default={16:0}, arc_proto_map={18446744073709551623:15}, arc_raw_proto={16:0}, capmode_proto={16:0}, capmode_proto_group0={-4:0}, capmode_proto_group1={-5:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_skb_alloc()={18446744073709551616:0}, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, priority=32, ref_cnt=0, set_impl={17:0}, size=265] [L5819] tmp = ldv_skb_alloc() [L5820] COND TRUE \read(*tmp) VAL [\old(last_index)=0, \old(priority)=32, \old(size)=265, arc_bcast_proto={16:0}, arc_proto_default={16:0}, arc_proto_map={18446744073709551623:15}, arc_raw_proto={16:0}, capmode_proto={16:0}, capmode_proto_group0={-4:0}, capmode_proto_group1={-5:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, priority=32, ref_cnt=0, set_impl={17:0}, size=265, tmp={18446744073709551616:0}] [L5822] CALL, EXPR ldv_malloc(size) VAL [\old(last_index)=0, \old(size)=265, arc_bcast_proto={16:0}, arc_proto_default={16:0}, arc_proto_map={18446744073709551623:15}, arc_raw_proto={16:0}, capmode_proto={16:0}, capmode_proto_group0={-4:0}, capmode_proto_group1={-5:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ref_cnt=0, set_impl={17:0}] [L5302] void *p ; [L5303] void *tmp ; [L5304] int tmp___0 ; [L5306] tmp___0 = __VERIFIER_nondet_int() [L5307] COND TRUE tmp___0 != 0 [L5308] return ((void *)0); VAL [\old(last_index)=0, \old(size)=265, \result={0:0}, arc_bcast_proto={16:0}, arc_proto_default={16:0}, arc_proto_map={18446744073709551623:15}, arc_raw_proto={16:0}, capmode_proto={16:0}, capmode_proto_group0={-4:0}, capmode_proto_group1={-5:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ref_cnt=0, set_impl={17:0}, size=265, tmp___0=-6] [L5822] RET, EXPR ldv_malloc(size) VAL [\old(last_index)=0, \old(priority)=32, \old(size)=265, arc_bcast_proto={16:0}, arc_proto_default={16:0}, arc_proto_map={18446744073709551623:15}, arc_raw_proto={16:0}, capmode_proto={16:0}, capmode_proto_group0={-4:0}, capmode_proto_group1={-5:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_malloc(size)={0:0}, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, priority=32, ref_cnt=0, set_impl={17:0}, size=265, tmp={18446744073709551616:0}] [L5822] tmp->head = ldv_malloc(size) [L5823] EXPR tmp->head [L5823] tmp->data = tmp->head [L5825] return (tmp); VAL [\old(last_index)=0, \old(priority)=32, \old(size)=265, \result={18446744073709551616:0}, arc_bcast_proto={16:0}, arc_proto_default={16:0}, arc_proto_map={18446744073709551623:15}, arc_raw_proto={16:0}, capmode_proto={16:0}, capmode_proto_group0={-4:0}, capmode_proto_group1={-5:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, priority=32, ref_cnt=0, set_impl={17:0}, size=265, tmp={18446744073709551616:0}] [L5429] RET, EXPR ldv_alloc_skb_14((unsigned int )length + 8U, 32U) VAL [\old(bufnum)=0, \old(length)=257, arc_bcast_proto={16:0}, arc_proto_default={16:0}, arc_proto_map={18446744073709551623:15}, arc_raw_proto={16:0}, bufnum=0, capmode_proto={16:0}, capmode_proto_group0={-4:0}, capmode_proto_group1={-5:0}, dev={-5:0}, dev={-5:0}, last_index=1, ldv_alloc_skb_14((unsigned int )length + 8U, 32U)={18446744073709551616:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, length=257, lp={-5:3264}, ofs=255, pkt={-4:0}, pkthdr={-4:0}, pkthdr={-4:0}, ref_cnt=0, set_impl={17:0}, tmp={-5:3264}] [L5429] skb = ldv_alloc_skb_14((unsigned int )length + 8U, 32U) [L5430] COND TRUE (unsigned long )skb == (unsigned long )((struct sk_buff *)0) VAL [\old(bufnum)=0, \old(length)=257, arc_bcast_proto={16:0}, arc_proto_default={16:0}, arc_proto_map={18446744073709551623:15}, arc_raw_proto={16:0}, bufnum=0, capmode_proto={16:0}, capmode_proto_group0={-4:0}, capmode_proto_group1={-5:0}, dev={-5:0}, dev={-5:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, length=257, lp={-5:3264}, ofs=255, pkt={-4:0}, pkthdr={-4:0}, pkthdr={-4:0}, ref_cnt=0, set_impl={17:0}, skb={18446744073709551616:0}, tmp={-5:3264}] [L5431] COND FALSE !(arcnet_debug & 1) VAL [\old(bufnum)=0, \old(length)=257, arc_bcast_proto={16:0}, arc_proto_default={16:0}, arc_proto_map={18446744073709551623:15}, arc_raw_proto={16:0}, bufnum=0, capmode_proto={16:0}, capmode_proto_group0={-4:0}, capmode_proto_group1={-5:0}, dev={-5:0}, dev={-5:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, length=257, lp={-5:3264}, ofs=255, pkt={-4:0}, pkthdr={-4:0}, pkthdr={-4:0}, ref_cnt=0, set_impl={17:0}, skb={18446744073709551616:0}, tmp={-5:3264}] [L5435] EXPR dev->stats.rx_dropped [L5435] dev->stats.rx_dropped = dev->stats.rx_dropped + 1UL [L5715] RET rx(capmode_proto_group1, ldvarg1, capmode_proto_group0, ldvarg0) [L5716] ldv_state_variable_1 = 1 VAL [arc_bcast_proto={16:0}, arc_proto_default={16:0}, arc_proto_map={18446744073709551623:15}, arc_raw_proto={16:0}, capmode_proto={16:0}, capmode_proto_group0={-4:0}, capmode_proto_group1={-5:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldvarg0=257, ldvarg1=0, ldvarg2={18446744073709551618:0}, ldvarg3={-2:0}, ldvarg4=13, ldvarg5=-3, ldvarg6=0, ldvarg7=0, ref_cnt=0, set_impl={17:0}, tmp=0, tmp___0={-2:0}, tmp___1=257, tmp___2=-3, tmp___3=0, tmp___4=0, tmp___5=13, tmp___6=0, tmp___7=3, tmp___8=1] [L5686] tmp___6 = __VERIFIER_nondet_int() [L5688] case 0: [L5727] case 1: VAL [arc_bcast_proto={16:0}, arc_proto_default={16:0}, arc_proto_map={18446744073709551623:15}, arc_raw_proto={16:0}, capmode_proto={16:0}, capmode_proto_group0={-4:0}, capmode_proto_group1={-5:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldvarg0=257, ldvarg1=0, ldvarg2={18446744073709551618:0}, ldvarg3={-2:0}, ldvarg4=13, ldvarg5=-3, ldvarg6=0, ldvarg7=0, ref_cnt=0, set_impl={17:0}, tmp=0, tmp___0={-2:0}, tmp___1=257, tmp___2=-3, tmp___3=0, tmp___4=0, tmp___5=13, tmp___6=1, tmp___7=3, tmp___8=1] [L5728] COND TRUE ldv_state_variable_0 != 0 [L5729] tmp___8 = __VERIFIER_nondet_int() [L5731] case 0: VAL [arc_bcast_proto={16:0}, arc_proto_default={16:0}, arc_proto_map={18446744073709551623:15}, arc_raw_proto={16:0}, capmode_proto={16:0}, capmode_proto_group0={-4:0}, capmode_proto_group1={-5:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldvarg0=257, ldvarg1=0, ldvarg2={18446744073709551618:0}, ldvarg3={-2:0}, ldvarg4=13, ldvarg5=-3, ldvarg6=0, ldvarg7=0, ref_cnt=0, set_impl={17:0}, tmp=0, tmp___0={-2:0}, tmp___1=257, tmp___2=-3, tmp___3=0, tmp___4=0, tmp___5=13, tmp___6=1, tmp___7=3, tmp___8=0] [L5732] COND TRUE ldv_state_variable_0 == 3 && ref_cnt == 0 [L5733] CALL capmode_module_exit() [L5626] FCALL arcnet_unregister_proto(& capmode_proto) [L5733] RET capmode_module_exit() [L5734] ldv_state_variable_0 = 2 VAL [arc_bcast_proto={16:0}, arc_proto_default={16:0}, arc_proto_map={18446744073709551623:15}, arc_raw_proto={16:0}, capmode_proto={16:0}, capmode_proto_group0={-4:0}, capmode_proto_group1={-5:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=2, ldv_state_variable_1=1, ldvarg0=257, ldvarg1=0, ldvarg2={18446744073709551618:0}, ldvarg3={-2:0}, ldvarg4=13, ldvarg5=-3, ldvarg6=0, ldvarg7=0, ref_cnt=0, set_impl={17:0}, tmp=0, tmp___0={-2:0}, tmp___1=257, tmp___2=-3, tmp___3=0, tmp___4=0, tmp___5=13, tmp___6=1, tmp___7=3, tmp___8=0] [L5769] CALL ldv_check_final_state() [L6050] int tmp___7 ; [L6052] CALL, EXPR ldv_set_is_empty(LDV_SKBS) [L5941] return (last_index == 0); VAL [\result=0, arc_bcast_proto={16:0}, arc_proto_default={16:0}, arc_proto_map={18446744073709551623:15}, arc_raw_proto={16:0}, capmode_proto={16:0}, capmode_proto_group0={-4:0}, capmode_proto_group1={-5:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=2, ldv_state_variable_1=1, ref_cnt=0, set={0:0}, set={0:0}, set_impl={17:0}] [L6052] RET, EXPR ldv_set_is_empty(LDV_SKBS) [L6052] tmp___7 = ldv_set_is_empty(LDV_SKBS) [L6053] COND FALSE !(\read(tmp___7)) VAL [arc_bcast_proto={16:0}, arc_proto_default={16:0}, arc_proto_map={18446744073709551623:15}, arc_raw_proto={16:0}, capmode_proto={16:0}, capmode_proto_group0={-4:0}, capmode_proto_group1={-5:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=2, ldv_state_variable_1=1, ref_cnt=0, set_impl={17:0}, tmp___7=0] [L6055] CALL ldv_error() VAL [arc_bcast_proto={16:0}, arc_proto_default={16:0}, arc_proto_map={18446744073709551623:15}, arc_raw_proto={16:0}, capmode_proto={16:0}, capmode_proto_group0={-4:0}, capmode_proto_group1={-5:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=2, ldv_state_variable_1=1, ref_cnt=0, set_impl={17:0}] [L5354] reach_error() VAL [arc_bcast_proto={16:0}, arc_proto_default={16:0}, arc_proto_map={18446744073709551623:15}, arc_raw_proto={16:0}, capmode_proto={16:0}, capmode_proto_group0={-4:0}, capmode_proto_group1={-5:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=2, ldv_state_variable_1=1, ref_cnt=0, set_impl={17:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 17 procedures, 228 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 6.4s, OverallIterations: 10, TraceHistogramMax: 8, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 3.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1739 SdHoareTripleChecker+Valid, 2.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1657 mSDsluCounter, 9864 SdHoareTripleChecker+Invalid, 2.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 7208 mSDsCounter, 842 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2418 IncrementalHoareTripleChecker+Invalid, 3260 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 842 mSolverCounterUnsat, 2656 mSDtfsCounter, 2418 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 601 GetRequests, 535 SyntacticMatches, 0 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 93 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=851occurred in iteration=9, InterpolantAutomatonStates: 74, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 9 MinimizatonAttempts, 322 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 1158 NumberOfCodeBlocks, 1158 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 1173 ConstructedInterpolants, 0 QuantifiedInterpolants, 1817 SizeOfPredicates, 0 NumberOfNonLiveVariables, 1337 ConjunctsInSsa, 9 ConjunctsInUnsatCore, 13 InterpolantComputations, 7 PerfectInterpolantSequences, 716/803 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2021-12-06 20:40:24,039 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182cba71-a6f9-4c8f-90c7-ba23f54fafd7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182cba71-a6f9-4c8f-90c7-ba23f54fafd7/bin/uautomizer-DrprNOufMa/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182cba71-a6f9-4c8f-90c7-ba23f54fafd7/bin/uautomizer-DrprNOufMa/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182cba71-a6f9-4c8f-90c7-ba23f54fafd7/bin/uautomizer-DrprNOufMa/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182cba71-a6f9-4c8f-90c7-ba23f54fafd7/bin/uautomizer-DrprNOufMa/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--arcnet--capmode.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182cba71-a6f9-4c8f-90c7-ba23f54fafd7/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182cba71-a6f9-4c8f-90c7-ba23f54fafd7/bin/uautomizer-DrprNOufMa --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 992626749f2e8ca84a93ad6fc64a197d6c8e66b412d995c24cf1e1136a1f2393 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-12-06 20:40:25,653 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-06 20:40:25,655 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-06 20:40:25,677 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-06 20:40:25,678 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-06 20:40:25,679 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-06 20:40:25,680 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-06 20:40:25,682 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-06 20:40:25,683 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-06 20:40:25,684 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-06 20:40:25,685 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-06 20:40:25,686 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-06 20:40:25,687 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-06 20:40:25,687 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-06 20:40:25,689 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-06 20:40:25,690 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-06 20:40:25,691 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-06 20:40:25,692 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-06 20:40:25,693 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-06 20:40:25,695 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-06 20:40:25,697 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-06 20:40:25,698 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-06 20:40:25,699 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-06 20:40:25,700 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-06 20:40:25,703 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-06 20:40:25,703 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-06 20:40:25,703 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-06 20:40:25,704 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-06 20:40:25,705 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-06 20:40:25,706 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-06 20:40:25,706 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-06 20:40:25,706 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-06 20:40:25,707 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-06 20:40:25,708 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-06 20:40:25,709 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-06 20:40:25,709 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-06 20:40:25,709 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-06 20:40:25,709 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-06 20:40:25,710 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-06 20:40:25,710 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-06 20:40:25,711 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-06 20:40:25,711 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182cba71-a6f9-4c8f-90c7-ba23f54fafd7/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2021-12-06 20:40:25,729 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-06 20:40:25,729 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-06 20:40:25,730 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-06 20:40:25,730 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-06 20:40:25,730 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-06 20:40:25,730 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-06 20:40:25,731 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-06 20:40:25,731 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-06 20:40:25,731 INFO L138 SettingsManager]: * Use SBE=true [2021-12-06 20:40:25,731 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-06 20:40:25,731 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-06 20:40:25,732 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-06 20:40:25,732 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-06 20:40:25,732 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-06 20:40:25,732 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-06 20:40:25,732 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-12-06 20:40:25,732 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-12-06 20:40:25,732 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-06 20:40:25,732 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-06 20:40:25,733 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-06 20:40:25,733 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-06 20:40:25,733 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-06 20:40:25,733 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-06 20:40:25,733 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 20:40:25,733 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-06 20:40:25,733 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-06 20:40:25,734 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-06 20:40:25,734 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-12-06 20:40:25,734 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-12-06 20:40:25,734 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-06 20:40:25,734 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-06 20:40:25,734 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-06 20:40:25,734 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-06 20:40:25,734 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-12-06 20:40:25,735 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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_182cba71-a6f9-4c8f-90c7-ba23f54fafd7/bin/uautomizer-DrprNOufMa/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182cba71-a6f9-4c8f-90c7-ba23f54fafd7/bin/uautomizer-DrprNOufMa Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 992626749f2e8ca84a93ad6fc64a197d6c8e66b412d995c24cf1e1136a1f2393 [2021-12-06 20:40:25,954 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-06 20:40:25,973 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-06 20:40:25,975 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-06 20:40:25,976 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-06 20:40:25,977 INFO L275 PluginConnector]: CDTParser initialized [2021-12-06 20:40:25,978 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182cba71-a6f9-4c8f-90c7-ba23f54fafd7/bin/uautomizer-DrprNOufMa/../../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--arcnet--capmode.ko-entry_point.cil.out.i [2021-12-06 20:40:26,023 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182cba71-a6f9-4c8f-90c7-ba23f54fafd7/bin/uautomizer-DrprNOufMa/data/83bf450c3/36b4bddb1c4f4d638cd9a2403bb5b0b7/FLAGdcc6e09a2 [2021-12-06 20:40:26,593 INFO L306 CDTParser]: Found 1 translation units. [2021-12-06 20:40:26,593 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182cba71-a6f9-4c8f-90c7-ba23f54fafd7/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--arcnet--capmode.ko-entry_point.cil.out.i [2021-12-06 20:40:26,613 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182cba71-a6f9-4c8f-90c7-ba23f54fafd7/bin/uautomizer-DrprNOufMa/data/83bf450c3/36b4bddb1c4f4d638cd9a2403bb5b0b7/FLAGdcc6e09a2 [2021-12-06 20:40:27,054 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182cba71-a6f9-4c8f-90c7-ba23f54fafd7/bin/uautomizer-DrprNOufMa/data/83bf450c3/36b4bddb1c4f4d638cd9a2403bb5b0b7 [2021-12-06 20:40:27,056 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-06 20:40:27,057 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-06 20:40:27,058 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-06 20:40:27,058 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-06 20:40:27,061 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-06 20:40:27,061 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 08:40:27" (1/1) ... [2021-12-06 20:40:27,063 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d9b6c14 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:40:27, skipping insertion in model container [2021-12-06 20:40:27,063 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 08:40:27" (1/1) ... [2021-12-06 20:40:27,069 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-06 20:40:27,131 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-06 20:40:27,563 WARN L230 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_182cba71-a6f9-4c8f-90c7-ba23f54fafd7/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--arcnet--capmode.ko-entry_point.cil.out.i[154031,154044] [2021-12-06 20:40:27,735 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 20:40:27,755 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-12-06 20:40:27,813 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-06 20:40:27,917 WARN L230 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_182cba71-a6f9-4c8f-90c7-ba23f54fafd7/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--arcnet--capmode.ko-entry_point.cil.out.i[154031,154044] [2021-12-06 20:40:27,948 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 20:40:27,954 INFO L203 MainTranslator]: Completed pre-run [2021-12-06 20:40:28,052 WARN L230 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_182cba71-a6f9-4c8f-90c7-ba23f54fafd7/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--arcnet--capmode.ko-entry_point.cil.out.i[154031,154044] [2021-12-06 20:40:28,095 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 20:40:28,127 INFO L208 MainTranslator]: Completed translation [2021-12-06 20:40:28,128 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:40:28 WrapperNode [2021-12-06 20:40:28,128 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-06 20:40:28,128 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-06 20:40:28,129 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-06 20:40:28,129 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-06 20:40:28,134 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:40:28" (1/1) ... [2021-12-06 20:40:28,162 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:40:28" (1/1) ... [2021-12-06 20:40:28,196 INFO L137 Inliner]: procedures = 103, calls = 193, calls flagged for inlining = 27, calls inlined = 24, statements flattened = 529 [2021-12-06 20:40:28,196 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-06 20:40:28,197 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-06 20:40:28,197 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-06 20:40:28,197 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-06 20:40:28,204 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:40:28" (1/1) ... [2021-12-06 20:40:28,204 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:40:28" (1/1) ... [2021-12-06 20:40:28,215 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:40:28" (1/1) ... [2021-12-06 20:40:28,215 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:40:28" (1/1) ... [2021-12-06 20:40:28,248 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:40:28" (1/1) ... [2021-12-06 20:40:28,256 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:40:28" (1/1) ... [2021-12-06 20:40:28,263 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:40:28" (1/1) ... [2021-12-06 20:40:28,273 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-06 20:40:28,274 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-06 20:40:28,274 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-06 20:40:28,275 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-06 20:40:28,275 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:40:28" (1/1) ... [2021-12-06 20:40:28,281 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 20:40:28,289 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182cba71-a6f9-4c8f-90c7-ba23f54fafd7/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 20:40:28,298 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182cba71-a6f9-4c8f-90c7-ba23f54fafd7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-06 20:40:28,303 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182cba71-a6f9-4c8f-90c7-ba23f54fafd7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-06 20:40:28,330 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-12-06 20:40:28,330 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-12-06 20:40:28,330 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-12-06 20:40:28,330 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-06 20:40:28,330 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-12-06 20:40:28,330 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-06 20:40:28,330 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-06 20:40:28,330 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-06 20:40:28,331 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-06 20:40:28,331 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-06 20:40:28,331 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-06 20:40:28,331 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-06 20:40:28,331 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-06 20:40:28,331 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-06 20:40:28,331 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_skb_14 [2021-12-06 20:40:28,331 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_skb_14 [2021-12-06 20:40:28,331 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~C_INT~X~C_INT~X~$Pointer$~X~C_INT~TO~VOID [2021-12-06 20:40:28,331 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~C_INT~X~C_INT~X~$Pointer$~X~C_INT~TO~VOID [2021-12-06 20:40:28,331 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2021-12-06 20:40:28,331 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2021-12-06 20:40:28,331 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-06 20:40:28,331 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-06 20:40:28,332 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-12-06 20:40:28,332 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2021-12-06 20:40:28,332 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2021-12-06 20:40:28,332 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2021-12-06 20:40:28,332 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-06 20:40:28,332 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-06 20:40:28,332 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-06 20:40:28,332 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free_int [2021-12-06 20:40:28,332 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free_int [2021-12-06 20:40:28,332 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-06 20:40:28,332 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-06 20:40:28,332 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-06 20:40:28,332 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2021-12-06 20:40:28,333 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2021-12-06 20:40:28,333 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-12-06 20:40:28,333 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-06 20:40:28,333 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2021-12-06 20:40:28,333 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2021-12-06 20:40:28,333 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-12-06 20:40:28,333 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-12-06 20:40:28,333 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2021-12-06 20:40:28,333 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-06 20:40:28,333 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-12-06 20:40:28,333 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-06 20:40:28,334 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-12-06 20:40:28,334 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-12-06 20:40:28,334 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2021-12-06 20:40:28,334 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2021-12-06 20:40:28,334 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_successful_zalloc [2021-12-06 20:40:28,334 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_successful_zalloc [2021-12-06 20:40:28,334 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-12-06 20:40:28,334 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-12-06 20:40:28,334 INFO L130 BoogieDeclarations]: Found specification of procedure skb_mac_header [2021-12-06 20:40:28,335 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_mac_header [2021-12-06 20:40:28,335 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2021-12-06 20:40:28,335 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reset_mac_header [2021-12-06 20:40:28,335 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reset_mac_header [2021-12-06 20:40:28,335 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-06 20:40:28,335 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-06 20:40:28,556 INFO L236 CfgBuilder]: Building ICFG [2021-12-06 20:40:28,557 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-06 20:40:28,685 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-06 20:40:31,506 INFO L277 CfgBuilder]: Performing block encoding [2021-12-06 20:40:31,514 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-06 20:40:31,514 INFO L301 CfgBuilder]: Removed 3 assume(true) statements. [2021-12-06 20:40:31,515 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 08:40:31 BoogieIcfgContainer [2021-12-06 20:40:31,516 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-06 20:40:31,517 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-06 20:40:31,517 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-06 20:40:31,519 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-06 20:40:31,519 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.12 08:40:27" (1/3) ... [2021-12-06 20:40:31,520 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37a07526 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 08:40:31, skipping insertion in model container [2021-12-06 20:40:31,520 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:40:28" (2/3) ... [2021-12-06 20:40:31,520 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37a07526 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 08:40:31, skipping insertion in model container [2021-12-06 20:40:31,520 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 08:40:31" (3/3) ... [2021-12-06 20:40:31,521 INFO L111 eAbstractionObserver]: Analyzing ICFG 205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--arcnet--capmode.ko-entry_point.cil.out.i [2021-12-06 20:40:31,525 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-06 20:40:31,525 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-06 20:40:31,564 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-06 20:40:31,569 INFO L339 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, mLoopAccelerationTechnique=FAST_UPR [2021-12-06 20:40:31,569 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-06 20:40:31,593 INFO L276 IsEmpty]: Start isEmpty. Operand has 227 states, 170 states have (on average 1.3647058823529412) internal successors, (232), 175 states have internal predecessors, (232), 40 states have call successors, (40), 16 states have call predecessors, (40), 15 states have return successors, (37), 37 states have call predecessors, (37), 37 states have call successors, (37) [2021-12-06 20:40:31,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-12-06 20:40:31,600 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:40:31,601 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 20:40:31,601 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 20:40:31,607 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:40:31,607 INFO L85 PathProgramCache]: Analyzing trace with hash -1585805392, now seen corresponding path program 1 times [2021-12-06 20:40:31,618 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 20:40:31,618 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [367096714] [2021-12-06 20:40:31,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:40:31,619 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 20:40:31,619 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182cba71-a6f9-4c8f-90c7-ba23f54fafd7/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 20:40:31,620 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182cba71-a6f9-4c8f-90c7-ba23f54fafd7/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 20:40:31,624 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182cba71-a6f9-4c8f-90c7-ba23f54fafd7/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-12-06 20:40:31,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:40:31,782 INFO L263 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 1 conjunts are in the unsatisfiable core [2021-12-06 20:40:31,786 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 20:40:31,868 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 20:40:31,868 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 20:40:31,868 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-06 20:40:31,869 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [367096714] [2021-12-06 20:40:31,869 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [367096714] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 20:40:31,869 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 20:40:31,869 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-06 20:40:31,871 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [438987551] [2021-12-06 20:40:31,872 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 20:40:31,876 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-12-06 20:40:31,876 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-06 20:40:31,901 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-12-06 20:40:31,902 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-06 20:40:31,905 INFO L87 Difference]: Start difference. First operand has 227 states, 170 states have (on average 1.3647058823529412) internal successors, (232), 175 states have internal predecessors, (232), 40 states have call successors, (40), 16 states have call predecessors, (40), 15 states have return successors, (37), 37 states have call predecessors, (37), 37 states have call successors, (37) Second operand has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2021-12-06 20:40:31,958 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 20:40:31,959 INFO L93 Difference]: Finished difference Result 449 states and 630 transitions. [2021-12-06 20:40:31,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-06 20:40:31,961 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) Word has length 35 [2021-12-06 20:40:31,961 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 20:40:31,971 INFO L225 Difference]: With dead ends: 449 [2021-12-06 20:40:31,972 INFO L226 Difference]: Without dead ends: 217 [2021-12-06 20:40:31,977 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-06 20:40:31,980 INFO L933 BasicCegarLoop]: 299 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 299 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-06 20:40:31,981 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 299 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-06 20:40:31,997 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 217 states. [2021-12-06 20:40:32,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 217 to 217. [2021-12-06 20:40:32,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 217 states, 165 states have (on average 1.303030303030303) internal successors, (215), 165 states have internal predecessors, (215), 37 states have call successors, (37), 15 states have call predecessors, (37), 14 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2021-12-06 20:40:32,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 217 states and 288 transitions. [2021-12-06 20:40:32,040 INFO L78 Accepts]: Start accepts. Automaton has 217 states and 288 transitions. Word has length 35 [2021-12-06 20:40:32,040 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 20:40:32,040 INFO L470 AbstractCegarLoop]: Abstraction has 217 states and 288 transitions. [2021-12-06 20:40:32,041 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2021-12-06 20:40:32,041 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 288 transitions. [2021-12-06 20:40:32,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-12-06 20:40:32,043 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:40:32,043 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 20:40:32,052 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182cba71-a6f9-4c8f-90c7-ba23f54fafd7/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-12-06 20:40:32,243 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182cba71-a6f9-4c8f-90c7-ba23f54fafd7/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-06 20:40:32,244 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 20:40:32,245 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:40:32,245 INFO L85 PathProgramCache]: Analyzing trace with hash -1719818898, now seen corresponding path program 1 times [2021-12-06 20:40:32,246 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 20:40:32,246 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1746403798] [2021-12-06 20:40:32,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:40:32,246 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 20:40:32,246 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182cba71-a6f9-4c8f-90c7-ba23f54fafd7/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 20:40:32,247 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182cba71-a6f9-4c8f-90c7-ba23f54fafd7/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 20:40:32,249 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182cba71-a6f9-4c8f-90c7-ba23f54fafd7/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-12-06 20:40:32,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:40:32,430 INFO L263 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 3 conjunts are in the unsatisfiable core [2021-12-06 20:40:32,432 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 20:40:32,511 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 20:40:32,511 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 20:40:32,511 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-06 20:40:32,511 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1746403798] [2021-12-06 20:40:32,511 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1746403798] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 20:40:32,511 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 20:40:32,511 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 20:40:32,512 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1874543961] [2021-12-06 20:40:32,512 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 20:40:32,512 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 20:40:32,513 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-06 20:40:32,513 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 20:40:32,513 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 20:40:32,513 INFO L87 Difference]: Start difference. First operand 217 states and 288 transitions. Second operand has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2021-12-06 20:40:32,551 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 20:40:32,551 INFO L93 Difference]: Finished difference Result 428 states and 569 transitions. [2021-12-06 20:40:32,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 20:40:32,552 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 35 [2021-12-06 20:40:32,552 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 20:40:32,555 INFO L225 Difference]: With dead ends: 428 [2021-12-06 20:40:32,555 INFO L226 Difference]: Without dead ends: 218 [2021-12-06 20:40:32,556 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 20:40:32,557 INFO L933 BasicCegarLoop]: 287 mSDtfsCounter, 0 mSDsluCounter, 285 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 572 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-06 20:40:32,557 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 572 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-06 20:40:32,558 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 218 states. [2021-12-06 20:40:32,576 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 218 to 218. [2021-12-06 20:40:32,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 218 states, 166 states have (on average 1.3012048192771084) internal successors, (216), 166 states have internal predecessors, (216), 37 states have call successors, (37), 15 states have call predecessors, (37), 14 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2021-12-06 20:40:32,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 218 states and 289 transitions. [2021-12-06 20:40:32,579 INFO L78 Accepts]: Start accepts. Automaton has 218 states and 289 transitions. Word has length 35 [2021-12-06 20:40:32,580 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 20:40:32,580 INFO L470 AbstractCegarLoop]: Abstraction has 218 states and 289 transitions. [2021-12-06 20:40:32,580 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2021-12-06 20:40:32,581 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 289 transitions. [2021-12-06 20:40:32,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-12-06 20:40:32,582 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:40:32,582 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 20:40:32,590 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182cba71-a6f9-4c8f-90c7-ba23f54fafd7/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (3)] Ended with exit code 0 [2021-12-06 20:40:32,783 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182cba71-a6f9-4c8f-90c7-ba23f54fafd7/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-06 20:40:32,784 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 20:40:32,785 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:40:32,786 INFO L85 PathProgramCache]: Analyzing trace with hash 1435931756, now seen corresponding path program 1 times [2021-12-06 20:40:32,787 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 20:40:32,788 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [489971546] [2021-12-06 20:40:32,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:40:32,789 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 20:40:32,789 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182cba71-a6f9-4c8f-90c7-ba23f54fafd7/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 20:40:32,792 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182cba71-a6f9-4c8f-90c7-ba23f54fafd7/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 20:40:32,794 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182cba71-a6f9-4c8f-90c7-ba23f54fafd7/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-12-06 20:40:33,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:40:33,035 INFO L263 TraceCheckSpWp]: Trace formula consists of 213 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-06 20:40:33,036 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 20:40:33,096 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-12-06 20:40:33,096 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 20:40:33,097 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-06 20:40:33,097 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [489971546] [2021-12-06 20:40:33,097 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [489971546] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 20:40:33,097 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 20:40:33,097 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 20:40:33,097 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [897608128] [2021-12-06 20:40:33,097 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 20:40:33,097 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 20:40:33,098 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-06 20:40:33,098 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 20:40:33,098 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 20:40:33,098 INFO L87 Difference]: Start difference. First operand 218 states and 289 transitions. Second operand has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2021-12-06 20:40:33,159 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 20:40:33,159 INFO L93 Difference]: Finished difference Result 614 states and 818 transitions. [2021-12-06 20:40:33,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 20:40:33,159 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 36 [2021-12-06 20:40:33,160 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 20:40:33,162 INFO L225 Difference]: With dead ends: 614 [2021-12-06 20:40:33,162 INFO L226 Difference]: Without dead ends: 405 [2021-12-06 20:40:33,163 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 20:40:33,164 INFO L933 BasicCegarLoop]: 329 mSDtfsCounter, 254 mSDsluCounter, 265 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 254 SdHoareTripleChecker+Valid, 594 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-06 20:40:33,164 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [254 Valid, 594 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-06 20:40:33,166 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 405 states. [2021-12-06 20:40:33,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 405 to 405. [2021-12-06 20:40:33,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 405 states, 306 states have (on average 1.3006535947712419) internal successors, (398), 306 states have internal predecessors, (398), 70 states have call successors, (70), 29 states have call predecessors, (70), 28 states have return successors, (69), 69 states have call predecessors, (69), 69 states have call successors, (69) [2021-12-06 20:40:33,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 405 states to 405 states and 537 transitions. [2021-12-06 20:40:33,193 INFO L78 Accepts]: Start accepts. Automaton has 405 states and 537 transitions. Word has length 36 [2021-12-06 20:40:33,193 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 20:40:33,194 INFO L470 AbstractCegarLoop]: Abstraction has 405 states and 537 transitions. [2021-12-06 20:40:33,194 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2021-12-06 20:40:33,194 INFO L276 IsEmpty]: Start isEmpty. Operand 405 states and 537 transitions. [2021-12-06 20:40:33,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-12-06 20:40:33,195 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:40:33,195 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 20:40:33,207 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182cba71-a6f9-4c8f-90c7-ba23f54fafd7/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (4)] Ended with exit code 0 [2021-12-06 20:40:33,396 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182cba71-a6f9-4c8f-90c7-ba23f54fafd7/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-06 20:40:33,397 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 20:40:33,397 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:40:33,398 INFO L85 PathProgramCache]: Analyzing trace with hash -1862511787, now seen corresponding path program 1 times [2021-12-06 20:40:33,398 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 20:40:33,398 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [536584471] [2021-12-06 20:40:33,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:40:33,399 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 20:40:33,399 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182cba71-a6f9-4c8f-90c7-ba23f54fafd7/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 20:40:33,400 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182cba71-a6f9-4c8f-90c7-ba23f54fafd7/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 20:40:33,401 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182cba71-a6f9-4c8f-90c7-ba23f54fafd7/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-12-06 20:40:33,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:40:33,563 INFO L263 TraceCheckSpWp]: Trace formula consists of 222 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-06 20:40:33,565 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 20:40:33,622 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-12-06 20:40:33,623 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 20:40:33,623 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-06 20:40:33,623 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [536584471] [2021-12-06 20:40:33,623 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [536584471] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 20:40:33,623 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 20:40:33,623 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 20:40:33,623 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2126887057] [2021-12-06 20:40:33,623 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 20:40:33,623 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 20:40:33,624 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-06 20:40:33,624 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 20:40:33,624 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 20:40:33,624 INFO L87 Difference]: Start difference. First operand 405 states and 537 transitions. Second operand has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2021-12-06 20:40:33,675 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 20:40:33,675 INFO L93 Difference]: Finished difference Result 805 states and 1069 transitions. [2021-12-06 20:40:33,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 20:40:33,677 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 42 [2021-12-06 20:40:33,678 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 20:40:33,680 INFO L225 Difference]: With dead ends: 805 [2021-12-06 20:40:33,680 INFO L226 Difference]: Without dead ends: 409 [2021-12-06 20:40:33,681 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 20:40:33,682 INFO L933 BasicCegarLoop]: 284 mSDtfsCounter, 4 mSDsluCounter, 282 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 566 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-06 20:40:33,682 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4 Valid, 566 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-06 20:40:33,683 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 409 states. [2021-12-06 20:40:33,713 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 409 to 406. [2021-12-06 20:40:33,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 406 states, 307 states have (on average 1.299674267100977) internal successors, (399), 307 states have internal predecessors, (399), 70 states have call successors, (70), 29 states have call predecessors, (70), 28 states have return successors, (69), 69 states have call predecessors, (69), 69 states have call successors, (69) [2021-12-06 20:40:33,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 406 states to 406 states and 538 transitions. [2021-12-06 20:40:33,718 INFO L78 Accepts]: Start accepts. Automaton has 406 states and 538 transitions. Word has length 42 [2021-12-06 20:40:33,718 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 20:40:33,718 INFO L470 AbstractCegarLoop]: Abstraction has 406 states and 538 transitions. [2021-12-06 20:40:33,719 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2021-12-06 20:40:33,719 INFO L276 IsEmpty]: Start isEmpty. Operand 406 states and 538 transitions. [2021-12-06 20:40:33,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-12-06 20:40:33,721 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:40:33,721 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 20:40:33,729 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182cba71-a6f9-4c8f-90c7-ba23f54fafd7/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (5)] Ended with exit code 0 [2021-12-06 20:40:33,922 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182cba71-a6f9-4c8f-90c7-ba23f54fafd7/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-06 20:40:33,923 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 20:40:33,924 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:40:33,924 INFO L85 PathProgramCache]: Analyzing trace with hash 2065868430, now seen corresponding path program 1 times [2021-12-06 20:40:33,926 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 20:40:33,926 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [138792660] [2021-12-06 20:40:33,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:40:33,927 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 20:40:33,927 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182cba71-a6f9-4c8f-90c7-ba23f54fafd7/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 20:40:33,929 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182cba71-a6f9-4c8f-90c7-ba23f54fafd7/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 20:40:33,932 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182cba71-a6f9-4c8f-90c7-ba23f54fafd7/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-12-06 20:40:34,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:40:34,150 INFO L263 TraceCheckSpWp]: Trace formula consists of 236 conjuncts, 3 conjunts are in the unsatisfiable core [2021-12-06 20:40:34,151 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 20:40:34,226 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-12-06 20:40:34,226 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 20:40:34,308 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-12-06 20:40:34,309 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-06 20:40:34,309 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [138792660] [2021-12-06 20:40:34,309 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [138792660] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-06 20:40:34,309 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-12-06 20:40:34,309 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2021-12-06 20:40:34,309 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2011698134] [2021-12-06 20:40:34,309 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-12-06 20:40:34,310 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 20:40:34,310 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-06 20:40:34,310 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 20:40:34,310 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-12-06 20:40:34,310 INFO L87 Difference]: Start difference. First operand 406 states and 538 transitions. Second operand has 6 states, 6 states have (on average 7.5) internal successors, (45), 6 states have internal predecessors, (45), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2021-12-06 20:40:34,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 20:40:34,425 INFO L93 Difference]: Finished difference Result 815 states and 1083 transitions. [2021-12-06 20:40:34,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-06 20:40:34,425 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.5) internal successors, (45), 6 states have internal predecessors, (45), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 46 [2021-12-06 20:40:34,426 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 20:40:34,428 INFO L225 Difference]: With dead ends: 815 [2021-12-06 20:40:34,429 INFO L226 Difference]: Without dead ends: 418 [2021-12-06 20:40:34,430 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2021-12-06 20:40:34,430 INFO L933 BasicCegarLoop]: 285 mSDtfsCounter, 24 mSDsluCounter, 565 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 850 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-06 20:40:34,431 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [24 Valid, 850 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-06 20:40:34,432 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 418 states. [2021-12-06 20:40:34,450 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 418 to 418. [2021-12-06 20:40:34,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 418 states, 319 states have (on average 1.297805642633229) internal successors, (414), 319 states have internal predecessors, (414), 70 states have call successors, (70), 29 states have call predecessors, (70), 28 states have return successors, (69), 69 states have call predecessors, (69), 69 states have call successors, (69) [2021-12-06 20:40:34,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 418 states to 418 states and 553 transitions. [2021-12-06 20:40:34,454 INFO L78 Accepts]: Start accepts. Automaton has 418 states and 553 transitions. Word has length 46 [2021-12-06 20:40:34,454 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 20:40:34,454 INFO L470 AbstractCegarLoop]: Abstraction has 418 states and 553 transitions. [2021-12-06 20:40:34,454 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.5) internal successors, (45), 6 states have internal predecessors, (45), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2021-12-06 20:40:34,454 INFO L276 IsEmpty]: Start isEmpty. Operand 418 states and 553 transitions. [2021-12-06 20:40:34,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-12-06 20:40:34,457 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:40:34,457 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 20:40:34,470 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182cba71-a6f9-4c8f-90c7-ba23f54fafd7/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (6)] Ended with exit code 0 [2021-12-06 20:40:34,658 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182cba71-a6f9-4c8f-90c7-ba23f54fafd7/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-06 20:40:34,658 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 20:40:34,659 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:40:34,660 INFO L85 PathProgramCache]: Analyzing trace with hash -2049374919, now seen corresponding path program 2 times [2021-12-06 20:40:34,662 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 20:40:34,663 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1526908631] [2021-12-06 20:40:34,663 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-12-06 20:40:34,664 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 20:40:34,664 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182cba71-a6f9-4c8f-90c7-ba23f54fafd7/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 20:40:34,666 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182cba71-a6f9-4c8f-90c7-ba23f54fafd7/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 20:40:34,669 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182cba71-a6f9-4c8f-90c7-ba23f54fafd7/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-12-06 20:40:34,817 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2021-12-06 20:40:34,817 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-06 20:40:34,823 INFO L263 TraceCheckSpWp]: Trace formula consists of 211 conjuncts, 3 conjunts are in the unsatisfiable core [2021-12-06 20:40:34,825 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 20:40:34,889 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2021-12-06 20:40:34,889 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 20:40:34,889 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-06 20:40:34,890 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1526908631] [2021-12-06 20:40:34,890 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1526908631] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 20:40:34,890 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 20:40:34,890 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-06 20:40:34,890 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [954545000] [2021-12-06 20:40:34,890 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 20:40:34,891 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-06 20:40:34,891 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-06 20:40:34,891 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-06 20:40:34,891 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-06 20:40:34,891 INFO L87 Difference]: Start difference. First operand 418 states and 553 transitions. Second operand has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2021-12-06 20:40:35,049 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 20:40:35,049 INFO L93 Difference]: Finished difference Result 826 states and 1093 transitions. [2021-12-06 20:40:35,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-06 20:40:35,050 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 58 [2021-12-06 20:40:35,050 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 20:40:35,052 INFO L225 Difference]: With dead ends: 826 [2021-12-06 20:40:35,052 INFO L226 Difference]: Without dead ends: 417 [2021-12-06 20:40:35,053 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-06 20:40:35,054 INFO L933 BasicCegarLoop]: 418 mSDtfsCounter, 430 mSDsluCounter, 294 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 430 SdHoareTripleChecker+Valid, 712 SdHoareTripleChecker+Invalid, 67 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-06 20:40:35,054 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [430 Valid, 712 Invalid, 67 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-06 20:40:35,055 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 417 states. [2021-12-06 20:40:35,069 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 417 to 417. [2021-12-06 20:40:35,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 417 states, 318 states have (on average 1.2893081761006289) internal successors, (410), 318 states have internal predecessors, (410), 70 states have call successors, (70), 29 states have call predecessors, (70), 28 states have return successors, (69), 69 states have call predecessors, (69), 69 states have call successors, (69) [2021-12-06 20:40:35,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 417 states to 417 states and 549 transitions. [2021-12-06 20:40:35,072 INFO L78 Accepts]: Start accepts. Automaton has 417 states and 549 transitions. Word has length 58 [2021-12-06 20:40:35,072 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 20:40:35,072 INFO L470 AbstractCegarLoop]: Abstraction has 417 states and 549 transitions. [2021-12-06 20:40:35,072 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2021-12-06 20:40:35,072 INFO L276 IsEmpty]: Start isEmpty. Operand 417 states and 549 transitions. [2021-12-06 20:40:35,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2021-12-06 20:40:35,073 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:40:35,074 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2021-12-06 20:40:35,082 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182cba71-a6f9-4c8f-90c7-ba23f54fafd7/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (7)] Ended with exit code 0 [2021-12-06 20:40:35,274 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182cba71-a6f9-4c8f-90c7-ba23f54fafd7/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-06 20:40:35,274 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 20:40:35,274 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:40:35,275 INFO L85 PathProgramCache]: Analyzing trace with hash 1898813064, now seen corresponding path program 1 times [2021-12-06 20:40:35,275 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 20:40:35,275 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [389190609] [2021-12-06 20:40:35,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:40:35,275 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 20:40:35,275 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182cba71-a6f9-4c8f-90c7-ba23f54fafd7/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 20:40:35,276 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182cba71-a6f9-4c8f-90c7-ba23f54fafd7/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 20:40:35,277 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182cba71-a6f9-4c8f-90c7-ba23f54fafd7/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-12-06 20:40:35,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:40:35,441 INFO L263 TraceCheckSpWp]: Trace formula consists of 387 conjuncts, 6 conjunts are in the unsatisfiable core [2021-12-06 20:40:35,443 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 20:40:35,596 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 33 proven. 28 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-12-06 20:40:35,596 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 20:40:35,795 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 5 proven. 28 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2021-12-06 20:40:35,795 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-06 20:40:35,795 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [389190609] [2021-12-06 20:40:35,796 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [389190609] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-06 20:40:35,796 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-12-06 20:40:35,796 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2021-12-06 20:40:35,796 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1022842778] [2021-12-06 20:40:35,796 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-12-06 20:40:35,796 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-12-06 20:40:35,796 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-06 20:40:35,797 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-12-06 20:40:35,797 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=87, Unknown=0, NotChecked=0, Total=132 [2021-12-06 20:40:35,797 INFO L87 Difference]: Start difference. First operand 417 states and 549 transitions. Second operand has 12 states, 12 states have (on average 7.416666666666667) internal successors, (89), 12 states have internal predecessors, (89), 2 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2021-12-06 20:40:36,159 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 20:40:36,159 INFO L93 Difference]: Finished difference Result 655 states and 865 transitions. [2021-12-06 20:40:36,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-12-06 20:40:36,160 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 7.416666666666667) internal successors, (89), 12 states have internal predecessors, (89), 2 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 99 [2021-12-06 20:40:36,160 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 20:40:36,162 INFO L225 Difference]: With dead ends: 655 [2021-12-06 20:40:36,162 INFO L226 Difference]: Without dead ends: 433 [2021-12-06 20:40:36,163 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 198 GetRequests, 186 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=65, Invalid=117, Unknown=0, NotChecked=0, Total=182 [2021-12-06 20:40:36,163 INFO L933 BasicCegarLoop]: 286 mSDtfsCounter, 52 mSDsluCounter, 1696 mSDsCounter, 0 mSdLazyCounter, 118 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 1982 SdHoareTripleChecker+Invalid, 126 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 118 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-12-06 20:40:36,163 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [52 Valid, 1982 Invalid, 126 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 118 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-12-06 20:40:36,164 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 433 states. [2021-12-06 20:40:36,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 433 to 433. [2021-12-06 20:40:36,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 433 states, 334 states have (on average 1.2874251497005988) internal successors, (430), 334 states have internal predecessors, (430), 70 states have call successors, (70), 29 states have call predecessors, (70), 28 states have return successors, (69), 69 states have call predecessors, (69), 69 states have call successors, (69) [2021-12-06 20:40:36,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 433 states and 569 transitions. [2021-12-06 20:40:36,180 INFO L78 Accepts]: Start accepts. Automaton has 433 states and 569 transitions. Word has length 99 [2021-12-06 20:40:36,180 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 20:40:36,181 INFO L470 AbstractCegarLoop]: Abstraction has 433 states and 569 transitions. [2021-12-06 20:40:36,181 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 7.416666666666667) internal successors, (89), 12 states have internal predecessors, (89), 2 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2021-12-06 20:40:36,181 INFO L276 IsEmpty]: Start isEmpty. Operand 433 states and 569 transitions. [2021-12-06 20:40:36,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2021-12-06 20:40:36,182 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:40:36,182 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2021-12-06 20:40:36,192 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182cba71-a6f9-4c8f-90c7-ba23f54fafd7/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (8)] Ended with exit code 0 [2021-12-06 20:40:36,383 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182cba71-a6f9-4c8f-90c7-ba23f54fafd7/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-06 20:40:36,383 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 20:40:36,383 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:40:36,383 INFO L85 PathProgramCache]: Analyzing trace with hash 1274453284, now seen corresponding path program 2 times [2021-12-06 20:40:36,384 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 20:40:36,384 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1132830655] [2021-12-06 20:40:36,384 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-12-06 20:40:36,384 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 20:40:36,384 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182cba71-a6f9-4c8f-90c7-ba23f54fafd7/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 20:40:36,385 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182cba71-a6f9-4c8f-90c7-ba23f54fafd7/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 20:40:36,386 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182cba71-a6f9-4c8f-90c7-ba23f54fafd7/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2021-12-06 20:40:36,605 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-12-06 20:40:36,609 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-06 20:40:36,625 INFO L263 TraceCheckSpWp]: Trace formula consists of 443 conjuncts, 4 conjunts are in the unsatisfiable core [2021-12-06 20:40:36,627 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 20:40:36,912 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 140 trivial. 0 not checked. [2021-12-06 20:40:36,912 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 20:40:36,912 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-06 20:40:36,912 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1132830655] [2021-12-06 20:40:36,912 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1132830655] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 20:40:36,912 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 20:40:36,912 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-06 20:40:36,912 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1445321008] [2021-12-06 20:40:36,912 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 20:40:36,913 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-06 20:40:36,913 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-06 20:40:36,913 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-06 20:40:36,913 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-06 20:40:36,913 INFO L87 Difference]: Start difference. First operand 433 states and 569 transitions. Second operand has 5 states, 5 states have (on average 11.0) internal successors, (55), 5 states have internal predecessors, (55), 3 states have call successors, (8), 3 states have call predecessors, (8), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2021-12-06 20:40:37,064 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 20:40:37,064 INFO L93 Difference]: Finished difference Result 1278 states and 1701 transitions. [2021-12-06 20:40:37,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-06 20:40:37,064 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.0) internal successors, (55), 5 states have internal predecessors, (55), 3 states have call successors, (8), 3 states have call predecessors, (8), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 115 [2021-12-06 20:40:37,064 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 20:40:37,070 INFO L225 Difference]: With dead ends: 1278 [2021-12-06 20:40:37,070 INFO L226 Difference]: Without dead ends: 849 [2021-12-06 20:40:37,071 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 111 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-12-06 20:40:37,071 INFO L933 BasicCegarLoop]: 325 mSDtfsCounter, 232 mSDsluCounter, 917 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 232 SdHoareTripleChecker+Valid, 1242 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-06 20:40:37,072 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [232 Valid, 1242 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-06 20:40:37,073 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 849 states. [2021-12-06 20:40:37,104 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 849 to 841. [2021-12-06 20:40:37,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 841 states, 646 states have (on average 1.2879256965944272) internal successors, (832), 646 states have internal predecessors, (832), 138 states have call successors, (138), 57 states have call predecessors, (138), 56 states have return successors, (149), 137 states have call predecessors, (149), 137 states have call successors, (149) [2021-12-06 20:40:37,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 841 states to 841 states and 1119 transitions. [2021-12-06 20:40:37,110 INFO L78 Accepts]: Start accepts. Automaton has 841 states and 1119 transitions. Word has length 115 [2021-12-06 20:40:37,110 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 20:40:37,110 INFO L470 AbstractCegarLoop]: Abstraction has 841 states and 1119 transitions. [2021-12-06 20:40:37,110 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.0) internal successors, (55), 5 states have internal predecessors, (55), 3 states have call successors, (8), 3 states have call predecessors, (8), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2021-12-06 20:40:37,110 INFO L276 IsEmpty]: Start isEmpty. Operand 841 states and 1119 transitions. [2021-12-06 20:40:37,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2021-12-06 20:40:37,113 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:40:37,114 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 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] [2021-12-06 20:40:37,129 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182cba71-a6f9-4c8f-90c7-ba23f54fafd7/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (9)] Ended with exit code 0 [2021-12-06 20:40:37,314 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182cba71-a6f9-4c8f-90c7-ba23f54fafd7/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-06 20:40:37,315 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 20:40:37,315 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:40:37,315 INFO L85 PathProgramCache]: Analyzing trace with hash 1880699394, now seen corresponding path program 1 times [2021-12-06 20:40:37,316 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 20:40:37,316 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1144010616] [2021-12-06 20:40:37,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:40:37,316 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 20:40:37,316 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182cba71-a6f9-4c8f-90c7-ba23f54fafd7/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 20:40:37,317 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182cba71-a6f9-4c8f-90c7-ba23f54fafd7/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 20:40:37,321 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182cba71-a6f9-4c8f-90c7-ba23f54fafd7/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2021-12-06 20:40:37,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:40:37,660 INFO L263 TraceCheckSpWp]: Trace formula consists of 635 conjuncts, 10 conjunts are in the unsatisfiable core [2021-12-06 20:40:37,663 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 20:40:37,884 INFO L134 CoverageAnalysis]: Checked inductivity of 214 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 189 trivial. 0 not checked. [2021-12-06 20:40:37,884 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 20:40:37,884 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-06 20:40:37,884 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1144010616] [2021-12-06 20:40:37,884 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1144010616] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 20:40:37,884 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 20:40:37,884 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-12-06 20:40:37,884 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1406744624] [2021-12-06 20:40:37,884 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 20:40:37,885 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-12-06 20:40:37,885 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-06 20:40:37,885 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-12-06 20:40:37,885 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2021-12-06 20:40:37,885 INFO L87 Difference]: Start difference. First operand 841 states and 1119 transitions. Second operand has 10 states, 10 states have (on average 8.3) internal successors, (83), 8 states have internal predecessors, (83), 4 states have call successors, (12), 2 states have call predecessors, (12), 4 states have return successors, (11), 6 states have call predecessors, (11), 3 states have call successors, (11) [2021-12-06 20:40:38,105 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 20:40:38,105 INFO L93 Difference]: Finished difference Result 1673 states and 2243 transitions. [2021-12-06 20:40:38,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-12-06 20:40:38,106 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 8.3) internal successors, (83), 8 states have internal predecessors, (83), 4 states have call successors, (12), 2 states have call predecessors, (12), 4 states have return successors, (11), 6 states have call predecessors, (11), 3 states have call successors, (11) Word has length 166 [2021-12-06 20:40:38,106 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 20:40:38,110 INFO L225 Difference]: With dead ends: 1673 [2021-12-06 20:40:38,110 INFO L226 Difference]: Without dead ends: 841 [2021-12-06 20:40:38,112 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 168 GetRequests, 157 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2021-12-06 20:40:38,113 INFO L933 BasicCegarLoop]: 275 mSDtfsCounter, 16 mSDsluCounter, 2177 mSDsCounter, 0 mSdLazyCounter, 70 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 2452 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 70 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-06 20:40:38,113 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [17 Valid, 2452 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 70 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-06 20:40:38,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 841 states. [2021-12-06 20:40:38,141 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 841 to 841. [2021-12-06 20:40:38,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 841 states, 646 states have (on average 1.2755417956656347) internal successors, (824), 646 states have internal predecessors, (824), 138 states have call successors, (138), 57 states have call predecessors, (138), 56 states have return successors, (149), 137 states have call predecessors, (149), 137 states have call successors, (149) [2021-12-06 20:40:38,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 841 states to 841 states and 1111 transitions. [2021-12-06 20:40:38,148 INFO L78 Accepts]: Start accepts. Automaton has 841 states and 1111 transitions. Word has length 166 [2021-12-06 20:40:38,148 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 20:40:38,148 INFO L470 AbstractCegarLoop]: Abstraction has 841 states and 1111 transitions. [2021-12-06 20:40:38,148 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 8.3) internal successors, (83), 8 states have internal predecessors, (83), 4 states have call successors, (12), 2 states have call predecessors, (12), 4 states have return successors, (11), 6 states have call predecessors, (11), 3 states have call successors, (11) [2021-12-06 20:40:38,148 INFO L276 IsEmpty]: Start isEmpty. Operand 841 states and 1111 transitions. [2021-12-06 20:40:38,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2021-12-06 20:40:38,151 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:40:38,151 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 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] [2021-12-06 20:40:38,170 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182cba71-a6f9-4c8f-90c7-ba23f54fafd7/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (10)] Ended with exit code 0 [2021-12-06 20:40:38,352 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182cba71-a6f9-4c8f-90c7-ba23f54fafd7/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-06 20:40:38,352 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 20:40:38,352 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:40:38,352 INFO L85 PathProgramCache]: Analyzing trace with hash -313383669, now seen corresponding path program 1 times [2021-12-06 20:40:38,353 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 20:40:38,353 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1577133730] [2021-12-06 20:40:38,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:40:38,353 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 20:40:38,353 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182cba71-a6f9-4c8f-90c7-ba23f54fafd7/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 20:40:38,354 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182cba71-a6f9-4c8f-90c7-ba23f54fafd7/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 20:40:38,355 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182cba71-a6f9-4c8f-90c7-ba23f54fafd7/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2021-12-06 20:40:38,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:40:38,677 INFO L263 TraceCheckSpWp]: Trace formula consists of 661 conjuncts, 25 conjunts are in the unsatisfiable core [2021-12-06 20:40:38,679 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 20:40:39,162 INFO L134 CoverageAnalysis]: Checked inductivity of 214 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 189 trivial. 0 not checked. [2021-12-06 20:40:39,162 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 20:40:39,162 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-06 20:40:39,162 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1577133730] [2021-12-06 20:40:39,163 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1577133730] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 20:40:39,163 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 20:40:39,163 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-12-06 20:40:39,163 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [249375990] [2021-12-06 20:40:39,163 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 20:40:39,163 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-12-06 20:40:39,163 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-06 20:40:39,164 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-12-06 20:40:39,164 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2021-12-06 20:40:39,164 INFO L87 Difference]: Start difference. First operand 841 states and 1111 transitions. Second operand has 13 states, 13 states have (on average 6.6923076923076925) internal successors, (87), 10 states have internal predecessors, (87), 5 states have call successors, (13), 2 states have call predecessors, (13), 4 states have return successors, (12), 7 states have call predecessors, (12), 4 states have call successors, (12) [2021-12-06 20:40:39,672 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 20:40:39,672 INFO L93 Difference]: Finished difference Result 2051 states and 2766 transitions. [2021-12-06 20:40:39,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-12-06 20:40:39,673 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 6.6923076923076925) internal successors, (87), 10 states have internal predecessors, (87), 5 states have call successors, (13), 2 states have call predecessors, (13), 4 states have return successors, (12), 7 states have call predecessors, (12), 4 states have call successors, (12) Word has length 172 [2021-12-06 20:40:39,674 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 20:40:39,679 INFO L225 Difference]: With dead ends: 2051 [2021-12-06 20:40:39,679 INFO L226 Difference]: Without dead ends: 1219 [2021-12-06 20:40:39,681 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 175 GetRequests, 160 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=41, Invalid=231, Unknown=0, NotChecked=0, Total=272 [2021-12-06 20:40:39,682 INFO L933 BasicCegarLoop]: 405 mSDtfsCounter, 140 mSDsluCounter, 4278 mSDsCounter, 0 mSdLazyCounter, 155 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 166 SdHoareTripleChecker+Valid, 4683 SdHoareTripleChecker+Invalid, 156 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 155 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-12-06 20:40:39,682 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [166 Valid, 4683 Invalid, 156 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 155 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-12-06 20:40:39,683 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1219 states. [2021-12-06 20:40:39,717 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1219 to 833. [2021-12-06 20:40:39,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 833 states, 638 states have (on average 1.2664576802507836) internal successors, (808), 638 states have internal predecessors, (808), 138 states have call successors, (138), 57 states have call predecessors, (138), 56 states have return successors, (149), 137 states have call predecessors, (149), 137 states have call successors, (149) [2021-12-06 20:40:39,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 833 states to 833 states and 1095 transitions. [2021-12-06 20:40:39,722 INFO L78 Accepts]: Start accepts. Automaton has 833 states and 1095 transitions. Word has length 172 [2021-12-06 20:40:39,722 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 20:40:39,722 INFO L470 AbstractCegarLoop]: Abstraction has 833 states and 1095 transitions. [2021-12-06 20:40:39,722 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 6.6923076923076925) internal successors, (87), 10 states have internal predecessors, (87), 5 states have call successors, (13), 2 states have call predecessors, (13), 4 states have return successors, (12), 7 states have call predecessors, (12), 4 states have call successors, (12) [2021-12-06 20:40:39,723 INFO L276 IsEmpty]: Start isEmpty. Operand 833 states and 1095 transitions. [2021-12-06 20:40:39,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2021-12-06 20:40:39,725 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:40:39,725 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 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] [2021-12-06 20:40:39,744 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182cba71-a6f9-4c8f-90c7-ba23f54fafd7/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (11)] Ended with exit code 0 [2021-12-06 20:40:39,926 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182cba71-a6f9-4c8f-90c7-ba23f54fafd7/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-06 20:40:39,927 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 20:40:39,928 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:40:39,928 INFO L85 PathProgramCache]: Analyzing trace with hash -831936403, now seen corresponding path program 1 times [2021-12-06 20:40:39,929 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 20:40:39,929 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1356399779] [2021-12-06 20:40:39,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:40:39,930 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 20:40:39,930 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182cba71-a6f9-4c8f-90c7-ba23f54fafd7/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 20:40:39,931 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182cba71-a6f9-4c8f-90c7-ba23f54fafd7/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 20:40:39,933 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182cba71-a6f9-4c8f-90c7-ba23f54fafd7/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2021-12-06 20:40:40,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:40:40,353 INFO L263 TraceCheckSpWp]: Trace formula consists of 641 conjuncts, 25 conjunts are in the unsatisfiable core [2021-12-06 20:40:40,359 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 20:40:40,805 INFO L134 CoverageAnalysis]: Checked inductivity of 214 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 189 trivial. 0 not checked. [2021-12-06 20:40:40,806 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 20:40:40,806 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-06 20:40:40,806 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1356399779] [2021-12-06 20:40:40,806 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1356399779] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 20:40:40,806 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 20:40:40,806 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-12-06 20:40:40,806 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [195758975] [2021-12-06 20:40:40,806 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 20:40:40,807 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-12-06 20:40:40,807 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-06 20:40:40,807 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-12-06 20:40:40,807 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2021-12-06 20:40:40,807 INFO L87 Difference]: Start difference. First operand 833 states and 1095 transitions. Second operand has 13 states, 13 states have (on average 6.615384615384615) internal successors, (86), 10 states have internal predecessors, (86), 5 states have call successors, (13), 2 states have call predecessors, (13), 4 states have return successors, (12), 7 states have call predecessors, (12), 4 states have call successors, (12) [2021-12-06 20:40:41,236 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 20:40:41,236 INFO L93 Difference]: Finished difference Result 2079 states and 2802 transitions. [2021-12-06 20:40:41,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-12-06 20:40:41,237 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 6.615384615384615) internal successors, (86), 10 states have internal predecessors, (86), 5 states have call successors, (13), 2 states have call predecessors, (13), 4 states have return successors, (12), 7 states have call predecessors, (12), 4 states have call successors, (12) Word has length 171 [2021-12-06 20:40:41,238 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 20:40:41,246 INFO L225 Difference]: With dead ends: 2079 [2021-12-06 20:40:41,246 INFO L226 Difference]: Without dead ends: 1255 [2021-12-06 20:40:41,249 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 174 GetRequests, 159 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=41, Invalid=231, Unknown=0, NotChecked=0, Total=272 [2021-12-06 20:40:41,249 INFO L933 BasicCegarLoop]: 405 mSDtfsCounter, 139 mSDsluCounter, 4290 mSDsCounter, 0 mSdLazyCounter, 144 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 165 SdHoareTripleChecker+Valid, 4695 SdHoareTripleChecker+Invalid, 145 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 144 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-12-06 20:40:41,250 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [165 Valid, 4695 Invalid, 145 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 144 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-12-06 20:40:41,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1255 states. [2021-12-06 20:40:41,307 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1255 to 829. [2021-12-06 20:40:41,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 829 states, 634 states have (on average 1.2555205047318612) internal successors, (796), 634 states have internal predecessors, (796), 138 states have call successors, (138), 57 states have call predecessors, (138), 56 states have return successors, (149), 137 states have call predecessors, (149), 137 states have call successors, (149) [2021-12-06 20:40:41,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 829 states to 829 states and 1083 transitions. [2021-12-06 20:40:41,314 INFO L78 Accepts]: Start accepts. Automaton has 829 states and 1083 transitions. Word has length 171 [2021-12-06 20:40:41,314 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 20:40:41,314 INFO L470 AbstractCegarLoop]: Abstraction has 829 states and 1083 transitions. [2021-12-06 20:40:41,315 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 6.615384615384615) internal successors, (86), 10 states have internal predecessors, (86), 5 states have call successors, (13), 2 states have call predecessors, (13), 4 states have return successors, (12), 7 states have call predecessors, (12), 4 states have call successors, (12) [2021-12-06 20:40:41,315 INFO L276 IsEmpty]: Start isEmpty. Operand 829 states and 1083 transitions. [2021-12-06 20:40:41,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2021-12-06 20:40:41,320 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:40:41,320 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 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] [2021-12-06 20:40:41,333 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182cba71-a6f9-4c8f-90c7-ba23f54fafd7/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (12)] Forceful destruction successful, exit code 0 [2021-12-06 20:40:41,520 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182cba71-a6f9-4c8f-90c7-ba23f54fafd7/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-06 20:40:41,521 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 20:40:41,521 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:40:41,521 INFO L85 PathProgramCache]: Analyzing trace with hash 1635967564, now seen corresponding path program 1 times [2021-12-06 20:40:41,522 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 20:40:41,522 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1505774835] [2021-12-06 20:40:41,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:40:41,522 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 20:40:41,522 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182cba71-a6f9-4c8f-90c7-ba23f54fafd7/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 20:40:41,523 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182cba71-a6f9-4c8f-90c7-ba23f54fafd7/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 20:40:41,524 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182cba71-a6f9-4c8f-90c7-ba23f54fafd7/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2021-12-06 20:40:41,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:40:41,922 INFO L263 TraceCheckSpWp]: Trace formula consists of 835 conjuncts, 6 conjunts are in the unsatisfiable core [2021-12-06 20:40:41,925 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 20:40:42,073 INFO L134 CoverageAnalysis]: Checked inductivity of 214 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 207 trivial. 0 not checked. [2021-12-06 20:40:42,073 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 20:40:42,073 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-06 20:40:42,073 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1505774835] [2021-12-06 20:40:42,073 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1505774835] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 20:40:42,073 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 20:40:42,073 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-06 20:40:42,073 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [419720077] [2021-12-06 20:40:42,073 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 20:40:42,074 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-06 20:40:42,074 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-06 20:40:42,074 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-06 20:40:42,074 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-06 20:40:42,074 INFO L87 Difference]: Start difference. First operand 829 states and 1083 transitions. Second operand has 5 states, 4 states have (on average 26.75) internal successors, (107), 5 states have internal predecessors, (107), 3 states have call successors, (17), 2 states have call predecessors, (17), 3 states have return successors, (16), 2 states have call predecessors, (16), 3 states have call successors, (16) [2021-12-06 20:40:44,099 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:40:44,314 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 20:40:44,315 INFO L93 Difference]: Finished difference Result 2131 states and 2940 transitions. [2021-12-06 20:40:44,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-06 20:40:44,316 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 26.75) internal successors, (107), 5 states have internal predecessors, (107), 3 states have call successors, (17), 2 states have call predecessors, (17), 3 states have return successors, (16), 2 states have call predecessors, (16), 3 states have call successors, (16) Word has length 208 [2021-12-06 20:40:44,316 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 20:40:44,323 INFO L225 Difference]: With dead ends: 2131 [2021-12-06 20:40:44,323 INFO L226 Difference]: Without dead ends: 1311 [2021-12-06 20:40:44,325 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 208 GetRequests, 204 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-06 20:40:44,325 INFO L933 BasicCegarLoop]: 422 mSDtfsCounter, 130 mSDsluCounter, 1115 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 162 SdHoareTripleChecker+Valid, 1537 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2021-12-06 20:40:44,325 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [162 Valid, 1537 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 45 Invalid, 1 Unknown, 0 Unchecked, 2.2s Time] [2021-12-06 20:40:44,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1311 states. [2021-12-06 20:40:44,378 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1311 to 845. [2021-12-06 20:40:44,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 845 states, 646 states have (on average 1.256965944272446) internal successors, (812), 650 states have internal predecessors, (812), 138 states have call successors, (138), 57 states have call predecessors, (138), 60 states have return successors, (165), 137 states have call predecessors, (165), 137 states have call successors, (165) [2021-12-06 20:40:44,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 845 states to 845 states and 1115 transitions. [2021-12-06 20:40:44,382 INFO L78 Accepts]: Start accepts. Automaton has 845 states and 1115 transitions. Word has length 208 [2021-12-06 20:40:44,383 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 20:40:44,383 INFO L470 AbstractCegarLoop]: Abstraction has 845 states and 1115 transitions. [2021-12-06 20:40:44,383 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 26.75) internal successors, (107), 5 states have internal predecessors, (107), 3 states have call successors, (17), 2 states have call predecessors, (17), 3 states have return successors, (16), 2 states have call predecessors, (16), 3 states have call successors, (16) [2021-12-06 20:40:44,383 INFO L276 IsEmpty]: Start isEmpty. Operand 845 states and 1115 transitions. [2021-12-06 20:40:44,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2021-12-06 20:40:44,390 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:40:44,391 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 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] [2021-12-06 20:40:44,412 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182cba71-a6f9-4c8f-90c7-ba23f54fafd7/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (13)] Ended with exit code 0 [2021-12-06 20:40:44,591 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182cba71-a6f9-4c8f-90c7-ba23f54fafd7/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-06 20:40:44,591 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 20:40:44,591 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:40:44,592 INFO L85 PathProgramCache]: Analyzing trace with hash 1643836534, now seen corresponding path program 1 times [2021-12-06 20:40:44,592 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 20:40:44,592 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1540474907] [2021-12-06 20:40:44,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:40:44,592 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 20:40:44,593 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182cba71-a6f9-4c8f-90c7-ba23f54fafd7/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 20:40:44,593 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182cba71-a6f9-4c8f-90c7-ba23f54fafd7/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 20:40:44,594 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182cba71-a6f9-4c8f-90c7-ba23f54fafd7/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2021-12-06 20:40:45,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:40:45,114 INFO L263 TraceCheckSpWp]: Trace formula consists of 970 conjuncts, 7 conjunts are in the unsatisfiable core [2021-12-06 20:40:45,117 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 20:40:45,315 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 207 trivial. 0 not checked. [2021-12-06 20:40:45,315 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 20:40:45,671 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 207 trivial. 0 not checked. [2021-12-06 20:40:45,671 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-06 20:40:45,671 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1540474907] [2021-12-06 20:40:45,671 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1540474907] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-06 20:40:45,671 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-12-06 20:40:45,671 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 9 [2021-12-06 20:40:45,671 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1482350691] [2021-12-06 20:40:45,672 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-12-06 20:40:45,672 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-06 20:40:45,672 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-06 20:40:45,672 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-06 20:40:45,672 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-12-06 20:40:45,673 INFO L87 Difference]: Start difference. First operand 845 states and 1115 transitions. Second operand has 9 states, 7 states have (on average 17.142857142857142) internal successors, (120), 9 states have internal predecessors, (120), 4 states have call successors, (20), 2 states have call predecessors, (20), 3 states have return successors, (19), 2 states have call predecessors, (19), 4 states have call successors, (19) [2021-12-06 20:40:47,704 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:40:49,748 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:40:50,187 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 20:40:50,188 INFO L93 Difference]: Finished difference Result 2163 states and 2984 transitions. [2021-12-06 20:40:50,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-06 20:40:50,188 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 7 states have (on average 17.142857142857142) internal successors, (120), 9 states have internal predecessors, (120), 4 states have call successors, (20), 2 states have call predecessors, (20), 3 states have return successors, (19), 2 states have call predecessors, (19), 4 states have call successors, (19) Word has length 209 [2021-12-06 20:40:50,189 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 20:40:50,195 INFO L225 Difference]: With dead ends: 2163 [2021-12-06 20:40:50,195 INFO L226 Difference]: Without dead ends: 1327 [2021-12-06 20:40:50,196 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 418 GetRequests, 409 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2021-12-06 20:40:50,197 INFO L933 BasicCegarLoop]: 422 mSDtfsCounter, 275 mSDsluCounter, 1106 mSDsCounter, 0 mSdLazyCounter, 96 mSolverCounterSat, 38 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 311 SdHoareTripleChecker+Valid, 1528 SdHoareTripleChecker+Invalid, 136 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 96 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2021-12-06 20:40:50,197 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [311 Valid, 1528 Invalid, 136 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 96 Invalid, 2 Unknown, 0 Unchecked, 4.4s Time] [2021-12-06 20:40:50,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1327 states. [2021-12-06 20:40:50,237 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1327 to 853. [2021-12-06 20:40:50,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 853 states, 654 states have (on average 1.2660550458715596) internal successors, (828), 658 states have internal predecessors, (828), 138 states have call successors, (138), 57 states have call predecessors, (138), 60 states have return successors, (165), 137 states have call predecessors, (165), 137 states have call successors, (165) [2021-12-06 20:40:50,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 853 states to 853 states and 1131 transitions. [2021-12-06 20:40:50,241 INFO L78 Accepts]: Start accepts. Automaton has 853 states and 1131 transitions. Word has length 209 [2021-12-06 20:40:50,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 20:40:50,242 INFO L470 AbstractCegarLoop]: Abstraction has 853 states and 1131 transitions. [2021-12-06 20:40:50,242 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 7 states have (on average 17.142857142857142) internal successors, (120), 9 states have internal predecessors, (120), 4 states have call successors, (20), 2 states have call predecessors, (20), 3 states have return successors, (19), 2 states have call predecessors, (19), 4 states have call successors, (19) [2021-12-06 20:40:50,242 INFO L276 IsEmpty]: Start isEmpty. Operand 853 states and 1131 transitions. [2021-12-06 20:40:50,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2021-12-06 20:40:50,245 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:40:50,245 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 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] [2021-12-06 20:40:50,270 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182cba71-a6f9-4c8f-90c7-ba23f54fafd7/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (14)] Ended with exit code 0 [2021-12-06 20:40:50,446 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182cba71-a6f9-4c8f-90c7-ba23f54fafd7/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-06 20:40:50,446 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 20:40:50,447 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:40:50,448 INFO L85 PathProgramCache]: Analyzing trace with hash 1887774604, now seen corresponding path program 2 times [2021-12-06 20:40:50,450 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 20:40:50,451 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1018949894] [2021-12-06 20:40:50,451 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-12-06 20:40:50,451 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 20:40:50,452 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182cba71-a6f9-4c8f-90c7-ba23f54fafd7/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 20:40:50,454 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182cba71-a6f9-4c8f-90c7-ba23f54fafd7/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 20:40:50,470 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182cba71-a6f9-4c8f-90c7-ba23f54fafd7/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (15)] Waiting until timeout for monitored process [2021-12-06 20:40:50,827 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2021-12-06 20:40:50,827 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-06 20:40:50,847 INFO L263 TraceCheckSpWp]: Trace formula consists of 460 conjuncts, 6 conjunts are in the unsatisfiable core [2021-12-06 20:40:50,850 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 20:40:51,015 INFO L134 CoverageAnalysis]: Checked inductivity of 217 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2021-12-06 20:40:51,016 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 20:40:51,016 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-06 20:40:51,016 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1018949894] [2021-12-06 20:40:51,016 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1018949894] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 20:40:51,016 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 20:40:51,016 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-06 20:40:51,016 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [543506068] [2021-12-06 20:40:51,016 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 20:40:51,017 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-06 20:40:51,017 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-06 20:40:51,017 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-06 20:40:51,017 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-06 20:40:51,017 INFO L87 Difference]: Start difference. First operand 853 states and 1131 transitions. Second operand has 5 states, 4 states have (on average 27.0) internal successors, (108), 5 states have internal predecessors, (108), 3 states have call successors, (17), 2 states have call predecessors, (17), 3 states have return successors, (16), 2 states have call predecessors, (16), 3 states have call successors, (16) [2021-12-06 20:40:53,043 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:40:53,259 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 20:40:53,259 INFO L93 Difference]: Finished difference Result 2187 states and 3052 transitions. [2021-12-06 20:40:53,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-06 20:40:53,261 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 27.0) internal successors, (108), 5 states have internal predecessors, (108), 3 states have call successors, (17), 2 states have call predecessors, (17), 3 states have return successors, (16), 2 states have call predecessors, (16), 3 states have call successors, (16) Word has length 210 [2021-12-06 20:40:53,261 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 20:40:53,267 INFO L225 Difference]: With dead ends: 2187 [2021-12-06 20:40:53,267 INFO L226 Difference]: Without dead ends: 1343 [2021-12-06 20:40:53,269 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 210 GetRequests, 206 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-06 20:40:53,269 INFO L933 BasicCegarLoop]: 423 mSDtfsCounter, 129 mSDsluCounter, 1116 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 161 SdHoareTripleChecker+Valid, 1539 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2021-12-06 20:40:53,270 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [161 Valid, 1539 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 46 Invalid, 1 Unknown, 0 Unchecked, 2.2s Time] [2021-12-06 20:40:53,271 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1343 states. [2021-12-06 20:40:53,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1343 to 857. [2021-12-06 20:40:53,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 857 states, 658 states have (on average 1.2705167173252279) internal successors, (836), 662 states have internal predecessors, (836), 138 states have call successors, (138), 57 states have call predecessors, (138), 60 states have return successors, (165), 137 states have call predecessors, (165), 137 states have call successors, (165) [2021-12-06 20:40:53,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 857 states to 857 states and 1139 transitions. [2021-12-06 20:40:53,316 INFO L78 Accepts]: Start accepts. Automaton has 857 states and 1139 transitions. Word has length 210 [2021-12-06 20:40:53,316 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 20:40:53,316 INFO L470 AbstractCegarLoop]: Abstraction has 857 states and 1139 transitions. [2021-12-06 20:40:53,317 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 27.0) internal successors, (108), 5 states have internal predecessors, (108), 3 states have call successors, (17), 2 states have call predecessors, (17), 3 states have return successors, (16), 2 states have call predecessors, (16), 3 states have call successors, (16) [2021-12-06 20:40:53,317 INFO L276 IsEmpty]: Start isEmpty. Operand 857 states and 1139 transitions. [2021-12-06 20:40:53,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2021-12-06 20:40:53,319 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:40:53,320 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 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] [2021-12-06 20:40:53,331 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182cba71-a6f9-4c8f-90c7-ba23f54fafd7/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (15)] Ended with exit code 0 [2021-12-06 20:40:53,520 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182cba71-a6f9-4c8f-90c7-ba23f54fafd7/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-06 20:40:53,520 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 20:40:53,520 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:40:53,521 INFO L85 PathProgramCache]: Analyzing trace with hash 92345848, now seen corresponding path program 1 times [2021-12-06 20:40:53,521 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 20:40:53,521 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1838930639] [2021-12-06 20:40:53,521 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:40:53,522 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 20:40:53,522 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182cba71-a6f9-4c8f-90c7-ba23f54fafd7/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 20:40:53,522 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182cba71-a6f9-4c8f-90c7-ba23f54fafd7/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 20:40:53,525 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182cba71-a6f9-4c8f-90c7-ba23f54fafd7/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (16)] Waiting until timeout for monitored process [2021-12-06 20:40:54,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:40:54,191 INFO L263 TraceCheckSpWp]: Trace formula consists of 1118 conjuncts, 8 conjunts are in the unsatisfiable core [2021-12-06 20:40:54,194 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 20:40:54,407 INFO L134 CoverageAnalysis]: Checked inductivity of 218 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 208 trivial. 0 not checked. [2021-12-06 20:40:54,407 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 20:40:54,895 INFO L134 CoverageAnalysis]: Checked inductivity of 218 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 208 trivial. 0 not checked. [2021-12-06 20:40:54,895 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-06 20:40:54,895 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1838930639] [2021-12-06 20:40:54,895 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1838930639] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-06 20:40:54,895 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-12-06 20:40:54,895 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 11 [2021-12-06 20:40:54,895 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [346277257] [2021-12-06 20:40:54,896 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-12-06 20:40:54,896 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-12-06 20:40:54,896 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-06 20:40:54,896 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-12-06 20:40:54,896 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2021-12-06 20:40:54,897 INFO L87 Difference]: Start difference. First operand 857 states and 1139 transitions. Second operand has 11 states, 9 states have (on average 13.666666666666666) internal successors, (123), 11 states have internal predecessors, (123), 4 states have call successors, (20), 2 states have call predecessors, (20), 3 states have return successors, (19), 2 states have call predecessors, (19), 4 states have call successors, (19) [2021-12-06 20:40:56,932 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:40:58,986 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:41:01,047 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:41:01,756 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 20:41:01,756 INFO L93 Difference]: Finished difference Result 2215 states and 3148 transitions. [2021-12-06 20:41:01,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-06 20:41:01,757 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 9 states have (on average 13.666666666666666) internal successors, (123), 11 states have internal predecessors, (123), 4 states have call successors, (20), 2 states have call predecessors, (20), 3 states have return successors, (19), 2 states have call predecessors, (19), 4 states have call successors, (19) Word has length 211 [2021-12-06 20:41:01,758 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 20:41:01,764 INFO L225 Difference]: With dead ends: 2215 [2021-12-06 20:41:01,764 INFO L226 Difference]: Without dead ends: 1367 [2021-12-06 20:41:01,765 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 423 GetRequests, 411 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=50, Invalid=132, Unknown=0, NotChecked=0, Total=182 [2021-12-06 20:41:01,766 INFO L933 BasicCegarLoop]: 423 mSDtfsCounter, 162 mSDsluCounter, 1804 mSDsCounter, 0 mSdLazyCounter, 198 mSolverCounterSat, 5 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 202 SdHoareTripleChecker+Valid, 2227 SdHoareTripleChecker+Invalid, 206 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 198 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.7s IncrementalHoareTripleChecker+Time [2021-12-06 20:41:01,766 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [202 Valid, 2227 Invalid, 206 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 198 Invalid, 3 Unknown, 0 Unchecked, 6.7s Time] [2021-12-06 20:41:01,767 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1367 states. [2021-12-06 20:41:01,806 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1367 to 861. [2021-12-06 20:41:01,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 861 states, 662 states have (on average 1.2749244712990937) internal successors, (844), 666 states have internal predecessors, (844), 138 states have call successors, (138), 57 states have call predecessors, (138), 60 states have return successors, (165), 137 states have call predecessors, (165), 137 states have call successors, (165) [2021-12-06 20:41:01,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 861 states to 861 states and 1147 transitions. [2021-12-06 20:41:01,809 INFO L78 Accepts]: Start accepts. Automaton has 861 states and 1147 transitions. Word has length 211 [2021-12-06 20:41:01,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 20:41:01,810 INFO L470 AbstractCegarLoop]: Abstraction has 861 states and 1147 transitions. [2021-12-06 20:41:01,810 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 9 states have (on average 13.666666666666666) internal successors, (123), 11 states have internal predecessors, (123), 4 states have call successors, (20), 2 states have call predecessors, (20), 3 states have return successors, (19), 2 states have call predecessors, (19), 4 states have call successors, (19) [2021-12-06 20:41:01,810 INFO L276 IsEmpty]: Start isEmpty. Operand 861 states and 1147 transitions. [2021-12-06 20:41:01,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2021-12-06 20:41:01,812 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:41:01,813 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 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] [2021-12-06 20:41:01,832 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182cba71-a6f9-4c8f-90c7-ba23f54fafd7/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (16)] Forceful destruction successful, exit code 0 [2021-12-06 20:41:02,013 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182cba71-a6f9-4c8f-90c7-ba23f54fafd7/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-06 20:41:02,013 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 20:41:02,013 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:41:02,014 INFO L85 PathProgramCache]: Analyzing trace with hash -1706370162, now seen corresponding path program 2 times [2021-12-06 20:41:02,014 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 20:41:02,014 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [166023612] [2021-12-06 20:41:02,014 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-12-06 20:41:02,014 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 20:41:02,015 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182cba71-a6f9-4c8f-90c7-ba23f54fafd7/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 20:41:02,015 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182cba71-a6f9-4c8f-90c7-ba23f54fafd7/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 20:41:02,016 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182cba71-a6f9-4c8f-90c7-ba23f54fafd7/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (17)] Waiting until timeout for monitored process [2021-12-06 20:41:02,984 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-12-06 20:41:02,984 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-06 20:41:03,055 INFO L263 TraceCheckSpWp]: Trace formula consists of 1253 conjuncts, 16 conjunts are in the unsatisfiable core [2021-12-06 20:41:03,058 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 20:41:03,797 INFO L134 CoverageAnalysis]: Checked inductivity of 221 backedges. 35 proven. 28 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2021-12-06 20:41:03,797 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 20:41:06,132 INFO L134 CoverageAnalysis]: Checked inductivity of 221 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 214 trivial. 0 not checked. [2021-12-06 20:41:06,133 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-06 20:41:06,133 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [166023612] [2021-12-06 20:41:06,133 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [166023612] provided 1 perfect and 1 imperfect interpolant sequences [2021-12-06 20:41:06,133 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-06 20:41:06,133 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [9] total 18 [2021-12-06 20:41:06,133 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1157304511] [2021-12-06 20:41:06,133 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 20:41:06,133 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-12-06 20:41:06,134 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-06 20:41:06,134 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-12-06 20:41:06,134 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=235, Unknown=0, NotChecked=0, Total=306 [2021-12-06 20:41:06,134 INFO L87 Difference]: Start difference. First operand 861 states and 1147 transitions. Second operand has 12 states, 12 states have (on average 9.083333333333334) internal successors, (109), 12 states have internal predecessors, (109), 7 states have call successors, (17), 4 states have call predecessors, (17), 3 states have return successors, (16), 7 states have call predecessors, (16), 6 states have call successors, (16) [2021-12-06 20:41:08,519 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:41:10,528 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:41:14,317 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:41:16,327 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:41:19,692 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:41:21,702 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:41:23,718 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:41:24,428 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 20:41:24,428 INFO L93 Difference]: Finished difference Result 2718 states and 3633 transitions. [2021-12-06 20:41:24,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-12-06 20:41:24,429 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 9.083333333333334) internal successors, (109), 12 states have internal predecessors, (109), 7 states have call successors, (17), 4 states have call predecessors, (17), 3 states have return successors, (16), 7 states have call predecessors, (16), 6 states have call successors, (16) Word has length 212 [2021-12-06 20:41:24,430 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 20:41:24,439 INFO L225 Difference]: With dead ends: 2718 [2021-12-06 20:41:24,439 INFO L226 Difference]: Without dead ends: 2279 [2021-12-06 20:41:24,440 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 434 GetRequests, 408 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 134 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=206, Invalid=550, Unknown=0, NotChecked=0, Total=756 [2021-12-06 20:41:24,441 INFO L933 BasicCegarLoop]: 418 mSDtfsCounter, 2024 mSDsluCounter, 1701 mSDsCounter, 0 mSdLazyCounter, 1017 mSolverCounterSat, 598 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2045 SdHoareTripleChecker+Valid, 2119 SdHoareTripleChecker+Invalid, 1622 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 598 IncrementalHoareTripleChecker+Valid, 1017 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.4s IncrementalHoareTripleChecker+Time [2021-12-06 20:41:24,441 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2045 Valid, 2119 Invalid, 1622 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [598 Valid, 1017 Invalid, 7 Unknown, 0 Unchecked, 17.4s Time] [2021-12-06 20:41:24,443 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2279 states. [2021-12-06 20:41:24,560 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2279 to 2149. [2021-12-06 20:41:24,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2149 states, 1646 states have (on average 1.2770352369380316) internal successors, (2102), 1662 states have internal predecessors, (2102), 342 states have call successors, (342), 141 states have call predecessors, (342), 160 states have return successors, (441), 345 states have call predecessors, (441), 341 states have call successors, (441) [2021-12-06 20:41:24,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2149 states to 2149 states and 2885 transitions. [2021-12-06 20:41:24,568 INFO L78 Accepts]: Start accepts. Automaton has 2149 states and 2885 transitions. Word has length 212 [2021-12-06 20:41:24,568 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 20:41:24,568 INFO L470 AbstractCegarLoop]: Abstraction has 2149 states and 2885 transitions. [2021-12-06 20:41:24,568 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 9.083333333333334) internal successors, (109), 12 states have internal predecessors, (109), 7 states have call successors, (17), 4 states have call predecessors, (17), 3 states have return successors, (16), 7 states have call predecessors, (16), 6 states have call successors, (16) [2021-12-06 20:41:24,568 INFO L276 IsEmpty]: Start isEmpty. Operand 2149 states and 2885 transitions. [2021-12-06 20:41:24,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2021-12-06 20:41:24,572 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:41:24,572 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 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] [2021-12-06 20:41:24,603 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182cba71-a6f9-4c8f-90c7-ba23f54fafd7/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (17)] Ended with exit code 0 [2021-12-06 20:41:24,773 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182cba71-a6f9-4c8f-90c7-ba23f54fafd7/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-06 20:41:24,773 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 20:41:24,774 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:41:24,774 INFO L85 PathProgramCache]: Analyzing trace with hash 1365199469, now seen corresponding path program 1 times [2021-12-06 20:41:24,774 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 20:41:24,775 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1068127205] [2021-12-06 20:41:24,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:41:24,775 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 20:41:24,775 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182cba71-a6f9-4c8f-90c7-ba23f54fafd7/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 20:41:24,775 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182cba71-a6f9-4c8f-90c7-ba23f54fafd7/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 20:41:24,776 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182cba71-a6f9-4c8f-90c7-ba23f54fafd7/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (18)] Waiting until timeout for monitored process [2021-12-06 20:41:25,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:41:25,506 INFO L263 TraceCheckSpWp]: Trace formula consists of 1257 conjuncts, 9 conjunts are in the unsatisfiable core [2021-12-06 20:41:25,509 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 20:41:25,755 INFO L134 CoverageAnalysis]: Checked inductivity of 221 backedges. 7 proven. 6 refuted. 0 times theorem prover too weak. 208 trivial. 0 not checked. [2021-12-06 20:41:25,756 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 20:41:26,490 INFO L134 CoverageAnalysis]: Checked inductivity of 221 backedges. 7 proven. 6 refuted. 0 times theorem prover too weak. 208 trivial. 0 not checked. [2021-12-06 20:41:26,490 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-06 20:41:26,490 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1068127205] [2021-12-06 20:41:26,490 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1068127205] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-06 20:41:26,490 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-12-06 20:41:26,490 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 13 [2021-12-06 20:41:26,490 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [150744282] [2021-12-06 20:41:26,490 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-12-06 20:41:26,491 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-12-06 20:41:26,491 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-06 20:41:26,491 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-12-06 20:41:26,491 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2021-12-06 20:41:26,491 INFO L87 Difference]: Start difference. First operand 2149 states and 2885 transitions. Second operand has 13 states, 11 states have (on average 11.727272727272727) internal successors, (129), 13 states have internal predecessors, (129), 4 states have call successors, (20), 2 states have call predecessors, (20), 3 states have return successors, (19), 2 states have call predecessors, (19), 4 states have call successors, (19) [2021-12-06 20:41:28,530 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:41:30,590 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:41:32,651 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:41:34,738 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:41:35,928 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 20:41:35,928 INFO L93 Difference]: Finished difference Result 5585 states and 8076 transitions. [2021-12-06 20:41:35,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-12-06 20:41:35,929 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 11 states have (on average 11.727272727272727) internal successors, (129), 13 states have internal predecessors, (129), 4 states have call successors, (20), 2 states have call predecessors, (20), 3 states have return successors, (19), 2 states have call predecessors, (19), 4 states have call successors, (19) Word has length 214 [2021-12-06 20:41:35,929 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 20:41:35,945 INFO L225 Difference]: With dead ends: 5585 [2021-12-06 20:41:35,945 INFO L226 Difference]: Without dead ends: 3445 [2021-12-06 20:41:35,949 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 430 GetRequests, 415 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=70, Invalid=202, Unknown=0, NotChecked=0, Total=272 [2021-12-06 20:41:35,949 INFO L933 BasicCegarLoop]: 424 mSDtfsCounter, 316 mSDsluCounter, 1940 mSDsCounter, 0 mSdLazyCounter, 282 mSolverCounterSat, 53 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 360 SdHoareTripleChecker+Valid, 2364 SdHoareTripleChecker+Invalid, 339 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 282 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.2s IncrementalHoareTripleChecker+Time [2021-12-06 20:41:35,949 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [360 Valid, 2364 Invalid, 339 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 282 Invalid, 4 Unknown, 0 Unchecked, 9.2s Time] [2021-12-06 20:41:35,952 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3445 states. [2021-12-06 20:41:36,074 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3445 to 2159. [2021-12-06 20:41:36,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2159 states, 1656 states have (on average 1.2814009661835748) internal successors, (2122), 1672 states have internal predecessors, (2122), 342 states have call successors, (342), 141 states have call predecessors, (342), 160 states have return successors, (441), 345 states have call predecessors, (441), 341 states have call successors, (441) [2021-12-06 20:41:36,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2159 states to 2159 states and 2905 transitions. [2021-12-06 20:41:36,082 INFO L78 Accepts]: Start accepts. Automaton has 2159 states and 2905 transitions. Word has length 214 [2021-12-06 20:41:36,083 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 20:41:36,083 INFO L470 AbstractCegarLoop]: Abstraction has 2159 states and 2905 transitions. [2021-12-06 20:41:36,083 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 11 states have (on average 11.727272727272727) internal successors, (129), 13 states have internal predecessors, (129), 4 states have call successors, (20), 2 states have call predecessors, (20), 3 states have return successors, (19), 2 states have call predecessors, (19), 4 states have call successors, (19) [2021-12-06 20:41:36,083 INFO L276 IsEmpty]: Start isEmpty. Operand 2159 states and 2905 transitions. [2021-12-06 20:41:36,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2021-12-06 20:41:36,087 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:41:36,087 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 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] [2021-12-06 20:41:36,117 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182cba71-a6f9-4c8f-90c7-ba23f54fafd7/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (18)] Ended with exit code 0 [2021-12-06 20:41:36,287 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182cba71-a6f9-4c8f-90c7-ba23f54fafd7/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-06 20:41:36,288 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 20:41:36,288 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:41:36,288 INFO L85 PathProgramCache]: Analyzing trace with hash -574287132, now seen corresponding path program 1 times [2021-12-06 20:41:36,289 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 20:41:36,289 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [179783081] [2021-12-06 20:41:36,289 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:41:36,289 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 20:41:36,289 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182cba71-a6f9-4c8f-90c7-ba23f54fafd7/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 20:41:36,290 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182cba71-a6f9-4c8f-90c7-ba23f54fafd7/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 20:41:36,294 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182cba71-a6f9-4c8f-90c7-ba23f54fafd7/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (19)] Waiting until timeout for monitored process [2021-12-06 20:41:36,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:41:36,716 INFO L263 TraceCheckSpWp]: Trace formula consists of 848 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-06 20:41:36,719 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 20:41:36,891 INFO L134 CoverageAnalysis]: Checked inductivity of 223 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 216 trivial. 0 not checked. [2021-12-06 20:41:36,891 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 20:41:36,891 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-06 20:41:36,891 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [179783081] [2021-12-06 20:41:36,891 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [179783081] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 20:41:36,891 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 20:41:36,891 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 20:41:36,892 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [468349488] [2021-12-06 20:41:36,892 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 20:41:36,892 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 20:41:36,892 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-06 20:41:36,892 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 20:41:36,892 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 20:41:36,893 INFO L87 Difference]: Start difference. First operand 2159 states and 2905 transitions. Second operand has 3 states, 3 states have (on average 38.0) internal successors, (114), 3 states have internal predecessors, (114), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2021-12-06 20:41:37,038 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 20:41:37,038 INFO L93 Difference]: Finished difference Result 5235 states and 7148 transitions. [2021-12-06 20:41:37,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 20:41:37,039 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 38.0) internal successors, (114), 3 states have internal predecessors, (114), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 226 [2021-12-06 20:41:37,039 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 20:41:37,052 INFO L225 Difference]: With dead ends: 5235 [2021-12-06 20:41:37,052 INFO L226 Difference]: Without dead ends: 3085 [2021-12-06 20:41:37,055 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 225 GetRequests, 224 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 20:41:37,056 INFO L933 BasicCegarLoop]: 408 mSDtfsCounter, 116 mSDsluCounter, 269 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 137 SdHoareTripleChecker+Valid, 677 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-06 20:41:37,056 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [137 Valid, 677 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-06 20:41:37,059 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3085 states. [2021-12-06 20:41:37,187 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3085 to 2139. [2021-12-06 20:41:37,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2139 states, 1646 states have (on average 1.2770352369380316) internal successors, (2102), 1662 states have internal predecessors, (2102), 332 states have call successors, (332), 141 states have call predecessors, (332), 160 states have return successors, (421), 335 states have call predecessors, (421), 331 states have call successors, (421) [2021-12-06 20:41:37,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2139 states to 2139 states and 2855 transitions. [2021-12-06 20:41:37,194 INFO L78 Accepts]: Start accepts. Automaton has 2139 states and 2855 transitions. Word has length 226 [2021-12-06 20:41:37,195 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 20:41:37,195 INFO L470 AbstractCegarLoop]: Abstraction has 2139 states and 2855 transitions. [2021-12-06 20:41:37,195 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 38.0) internal successors, (114), 3 states have internal predecessors, (114), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2021-12-06 20:41:37,195 INFO L276 IsEmpty]: Start isEmpty. Operand 2139 states and 2855 transitions. [2021-12-06 20:41:37,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2021-12-06 20:41:37,198 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:41:37,199 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 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] [2021-12-06 20:41:37,213 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182cba71-a6f9-4c8f-90c7-ba23f54fafd7/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (19)] Ended with exit code 0 [2021-12-06 20:41:37,399 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182cba71-a6f9-4c8f-90c7-ba23f54fafd7/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-06 20:41:37,400 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 20:41:37,401 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:41:37,402 INFO L85 PathProgramCache]: Analyzing trace with hash 932737188, now seen corresponding path program 1 times [2021-12-06 20:41:37,404 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 20:41:37,404 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1302798666] [2021-12-06 20:41:37,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:41:37,405 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 20:41:37,405 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182cba71-a6f9-4c8f-90c7-ba23f54fafd7/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 20:41:37,407 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182cba71-a6f9-4c8f-90c7-ba23f54fafd7/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 20:41:37,410 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182cba71-a6f9-4c8f-90c7-ba23f54fafd7/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (20)] Waiting until timeout for monitored process [2021-12-06 20:41:37,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:41:37,968 INFO L263 TraceCheckSpWp]: Trace formula consists of 848 conjuncts, 4 conjunts are in the unsatisfiable core [2021-12-06 20:41:37,970 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 20:41:38,181 INFO L134 CoverageAnalysis]: Checked inductivity of 223 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 211 trivial. 0 not checked. [2021-12-06 20:41:38,181 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 20:41:38,181 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-06 20:41:38,181 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1302798666] [2021-12-06 20:41:38,182 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1302798666] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 20:41:38,182 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 20:41:38,182 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-06 20:41:38,182 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1433636763] [2021-12-06 20:41:38,182 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 20:41:38,182 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-06 20:41:38,183 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-06 20:41:38,183 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-06 20:41:38,183 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-06 20:41:38,183 INFO L87 Difference]: Start difference. First operand 2139 states and 2855 transitions. Second operand has 5 states, 5 states have (on average 23.6) internal successors, (118), 5 states have internal predecessors, (118), 3 states have call successors, (19), 2 states have call predecessors, (19), 3 states have return successors, (18), 2 states have call predecessors, (18), 3 states have call successors, (18) [2021-12-06 20:41:40,218 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:41:40,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 20:41:40,447 INFO L93 Difference]: Finished difference Result 5235 states and 7128 transitions. [2021-12-06 20:41:40,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-06 20:41:40,448 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 23.6) internal successors, (118), 5 states have internal predecessors, (118), 3 states have call successors, (19), 2 states have call predecessors, (19), 3 states have return successors, (18), 2 states have call predecessors, (18), 3 states have call successors, (18) Word has length 226 [2021-12-06 20:41:40,449 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 20:41:40,461 INFO L225 Difference]: With dead ends: 5235 [2021-12-06 20:41:40,461 INFO L226 Difference]: Without dead ends: 3105 [2021-12-06 20:41:40,464 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 226 GetRequests, 222 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-06 20:41:40,465 INFO L933 BasicCegarLoop]: 403 mSDtfsCounter, 118 mSDsluCounter, 1066 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 141 SdHoareTripleChecker+Valid, 1469 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2021-12-06 20:41:40,465 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [141 Valid, 1469 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 24 Invalid, 1 Unknown, 0 Unchecked, 2.1s Time] [2021-12-06 20:41:40,467 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3105 states. [2021-12-06 20:41:40,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3105 to 2159. [2021-12-06 20:41:40,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2159 states, 1656 states have (on average 1.2753623188405796) internal successors, (2112), 1682 states have internal predecessors, (2112), 332 states have call successors, (332), 141 states have call predecessors, (332), 170 states have return successors, (441), 335 states have call predecessors, (441), 331 states have call successors, (441) [2021-12-06 20:41:40,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2159 states to 2159 states and 2885 transitions. [2021-12-06 20:41:40,610 INFO L78 Accepts]: Start accepts. Automaton has 2159 states and 2885 transitions. Word has length 226 [2021-12-06 20:41:40,610 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 20:41:40,610 INFO L470 AbstractCegarLoop]: Abstraction has 2159 states and 2885 transitions. [2021-12-06 20:41:40,610 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 23.6) internal successors, (118), 5 states have internal predecessors, (118), 3 states have call successors, (19), 2 states have call predecessors, (19), 3 states have return successors, (18), 2 states have call predecessors, (18), 3 states have call successors, (18) [2021-12-06 20:41:40,611 INFO L276 IsEmpty]: Start isEmpty. Operand 2159 states and 2885 transitions. [2021-12-06 20:41:40,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2021-12-06 20:41:40,615 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:41:40,616 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 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] [2021-12-06 20:41:40,637 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182cba71-a6f9-4c8f-90c7-ba23f54fafd7/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (20)] Forceful destruction successful, exit code 0 [2021-12-06 20:41:40,816 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182cba71-a6f9-4c8f-90c7-ba23f54fafd7/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-06 20:41:40,818 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 20:41:40,818 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:41:40,819 INFO L85 PathProgramCache]: Analyzing trace with hash -352993496, now seen corresponding path program 1 times [2021-12-06 20:41:40,821 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 20:41:40,821 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1387677860] [2021-12-06 20:41:40,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:41:40,822 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 20:41:40,822 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182cba71-a6f9-4c8f-90c7-ba23f54fafd7/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 20:41:40,824 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182cba71-a6f9-4c8f-90c7-ba23f54fafd7/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 20:41:40,827 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182cba71-a6f9-4c8f-90c7-ba23f54fafd7/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (21)] Waiting until timeout for monitored process [2021-12-06 20:41:41,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:41:41,496 INFO L263 TraceCheckSpWp]: Trace formula consists of 983 conjuncts, 5 conjunts are in the unsatisfiable core [2021-12-06 20:41:41,499 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 20:41:41,715 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 13 proven. 1 refuted. 0 times theorem prover too weak. 211 trivial. 0 not checked. [2021-12-06 20:41:41,715 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 20:41:42,080 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 7 proven. 6 refuted. 0 times theorem prover too weak. 212 trivial. 0 not checked. [2021-12-06 20:41:42,080 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-06 20:41:42,080 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1387677860] [2021-12-06 20:41:42,080 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1387677860] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-06 20:41:42,081 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-12-06 20:41:42,081 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 9 [2021-12-06 20:41:42,081 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [261046721] [2021-12-06 20:41:42,081 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-12-06 20:41:42,081 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-06 20:41:42,081 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-06 20:41:42,082 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-06 20:41:42,082 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-12-06 20:41:42,082 INFO L87 Difference]: Start difference. First operand 2159 states and 2885 transitions. Second operand has 9 states, 9 states have (on average 15.333333333333334) internal successors, (138), 9 states have internal predecessors, (138), 4 states have call successors, (23), 2 states have call predecessors, (23), 3 states have return successors, (22), 2 states have call predecessors, (22), 4 states have call successors, (22) [2021-12-06 20:41:44,124 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:41:46,179 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:41:46,579 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 20:41:46,579 INFO L93 Difference]: Finished difference Result 5285 states and 7208 transitions. [2021-12-06 20:41:46,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-06 20:41:46,580 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 15.333333333333334) internal successors, (138), 9 states have internal predecessors, (138), 4 states have call successors, (23), 2 states have call predecessors, (23), 3 states have return successors, (22), 2 states have call predecessors, (22), 4 states have call successors, (22) Word has length 227 [2021-12-06 20:41:46,580 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 20:41:46,593 INFO L225 Difference]: With dead ends: 5285 [2021-12-06 20:41:46,593 INFO L226 Difference]: Without dead ends: 3135 [2021-12-06 20:41:46,596 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 455 GetRequests, 446 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2021-12-06 20:41:46,597 INFO L933 BasicCegarLoop]: 403 mSDtfsCounter, 241 mSDsluCounter, 1862 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 27 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 266 SdHoareTripleChecker+Valid, 2265 SdHoareTripleChecker+Invalid, 88 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 59 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2021-12-06 20:41:46,597 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [266 Valid, 2265 Invalid, 88 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 59 Invalid, 2 Unknown, 0 Unchecked, 4.3s Time] [2021-12-06 20:41:46,599 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3135 states. [2021-12-06 20:41:46,710 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3135 to 2169. [2021-12-06 20:41:46,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2169 states, 1666 states have (on average 1.2797118847539015) internal successors, (2132), 1692 states have internal predecessors, (2132), 332 states have call successors, (332), 141 states have call predecessors, (332), 170 states have return successors, (441), 335 states have call predecessors, (441), 331 states have call successors, (441) [2021-12-06 20:41:46,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2169 states to 2169 states and 2905 transitions. [2021-12-06 20:41:46,721 INFO L78 Accepts]: Start accepts. Automaton has 2169 states and 2905 transitions. Word has length 227 [2021-12-06 20:41:46,721 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 20:41:46,721 INFO L470 AbstractCegarLoop]: Abstraction has 2169 states and 2905 transitions. [2021-12-06 20:41:46,722 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 15.333333333333334) internal successors, (138), 9 states have internal predecessors, (138), 4 states have call successors, (23), 2 states have call predecessors, (23), 3 states have return successors, (22), 2 states have call predecessors, (22), 4 states have call successors, (22) [2021-12-06 20:41:46,722 INFO L276 IsEmpty]: Start isEmpty. Operand 2169 states and 2905 transitions. [2021-12-06 20:41:46,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2021-12-06 20:41:46,725 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:41:46,725 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 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] [2021-12-06 20:41:46,743 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182cba71-a6f9-4c8f-90c7-ba23f54fafd7/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (21)] Ended with exit code 0 [2021-12-06 20:41:46,926 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182cba71-a6f9-4c8f-90c7-ba23f54fafd7/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-06 20:41:46,926 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 20:41:46,927 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:41:46,928 INFO L85 PathProgramCache]: Analyzing trace with hash -171469545, now seen corresponding path program 2 times [2021-12-06 20:41:46,931 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 20:41:46,931 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [766444816] [2021-12-06 20:41:46,931 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-12-06 20:41:46,932 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 20:41:46,932 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182cba71-a6f9-4c8f-90c7-ba23f54fafd7/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 20:41:46,934 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182cba71-a6f9-4c8f-90c7-ba23f54fafd7/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 20:41:46,937 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182cba71-a6f9-4c8f-90c7-ba23f54fafd7/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (22)] Waiting until timeout for monitored process [2021-12-06 20:41:47,252 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2021-12-06 20:41:47,252 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-06 20:41:47,273 INFO L263 TraceCheckSpWp]: Trace formula consists of 464 conjuncts, 3 conjunts are in the unsatisfiable core [2021-12-06 20:41:47,275 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 20:41:47,430 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 218 trivial. 0 not checked. [2021-12-06 20:41:47,430 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 20:41:47,430 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-06 20:41:47,430 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [766444816] [2021-12-06 20:41:47,430 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [766444816] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 20:41:47,430 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 20:41:47,430 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-06 20:41:47,430 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1621012111] [2021-12-06 20:41:47,431 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 20:41:47,431 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-06 20:41:47,431 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-06 20:41:47,431 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-06 20:41:47,431 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-06 20:41:47,431 INFO L87 Difference]: Start difference. First operand 2169 states and 2905 transitions. Second operand has 4 states, 4 states have (on average 27.75) internal successors, (111), 4 states have internal predecessors, (111), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (16), 2 states have call predecessors, (16), 1 states have call successors, (16) [2021-12-06 20:41:47,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 20:41:47,621 INFO L93 Difference]: Finished difference Result 4423 states and 5969 transitions. [2021-12-06 20:41:47,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-06 20:41:47,622 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 27.75) internal successors, (111), 4 states have internal predecessors, (111), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (16), 2 states have call predecessors, (16), 1 states have call successors, (16) Word has length 215 [2021-12-06 20:41:47,622 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 20:41:47,628 INFO L225 Difference]: With dead ends: 4423 [2021-12-06 20:41:47,628 INFO L226 Difference]: Without dead ends: 2263 [2021-12-06 20:41:47,632 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 215 GetRequests, 212 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-06 20:41:47,633 INFO L933 BasicCegarLoop]: 275 mSDtfsCounter, 10 mSDsluCounter, 533 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 808 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-06 20:41:47,633 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10 Valid, 808 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-06 20:41:47,635 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2263 states. [2021-12-06 20:41:47,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2263 to 2209. [2021-12-06 20:41:47,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2209 states, 1706 states have (on average 1.2837045720984759) internal successors, (2190), 1732 states have internal predecessors, (2190), 332 states have call successors, (332), 141 states have call predecessors, (332), 170 states have return successors, (441), 335 states have call predecessors, (441), 331 states have call successors, (441) [2021-12-06 20:41:47,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2209 states to 2209 states and 2963 transitions. [2021-12-06 20:41:47,748 INFO L78 Accepts]: Start accepts. Automaton has 2209 states and 2963 transitions. Word has length 215 [2021-12-06 20:41:47,748 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 20:41:47,748 INFO L470 AbstractCegarLoop]: Abstraction has 2209 states and 2963 transitions. [2021-12-06 20:41:47,748 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 27.75) internal successors, (111), 4 states have internal predecessors, (111), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (16), 2 states have call predecessors, (16), 1 states have call successors, (16) [2021-12-06 20:41:47,748 INFO L276 IsEmpty]: Start isEmpty. Operand 2209 states and 2963 transitions. [2021-12-06 20:41:47,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2021-12-06 20:41:47,752 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:41:47,752 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 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] [2021-12-06 20:41:47,764 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182cba71-a6f9-4c8f-90c7-ba23f54fafd7/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (22)] Forceful destruction successful, exit code 0 [2021-12-06 20:41:47,952 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182cba71-a6f9-4c8f-90c7-ba23f54fafd7/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-06 20:41:47,953 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 20:41:47,953 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:41:47,953 INFO L85 PathProgramCache]: Analyzing trace with hash 1115335037, now seen corresponding path program 1 times [2021-12-06 20:41:47,954 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 20:41:47,954 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [920048562] [2021-12-06 20:41:47,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:41:47,954 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 20:41:47,954 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182cba71-a6f9-4c8f-90c7-ba23f54fafd7/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 20:41:47,954 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182cba71-a6f9-4c8f-90c7-ba23f54fafd7/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 20:41:47,955 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182cba71-a6f9-4c8f-90c7-ba23f54fafd7/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (23)] Waiting until timeout for monitored process [2021-12-06 20:41:48,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:41:48,630 INFO L263 TraceCheckSpWp]: Trace formula consists of 1118 conjuncts, 6 conjunts are in the unsatisfiable core [2021-12-06 20:41:48,633 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 20:41:48,886 INFO L134 CoverageAnalysis]: Checked inductivity of 228 backedges. 14 proven. 3 refuted. 0 times theorem prover too weak. 211 trivial. 0 not checked. [2021-12-06 20:41:48,886 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 20:41:49,450 INFO L134 CoverageAnalysis]: Checked inductivity of 228 backedges. 7 proven. 9 refuted. 0 times theorem prover too weak. 212 trivial. 0 not checked. [2021-12-06 20:41:49,450 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-06 20:41:49,450 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [920048562] [2021-12-06 20:41:49,450 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [920048562] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-06 20:41:49,450 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-12-06 20:41:49,450 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 11 [2021-12-06 20:41:49,450 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [56708414] [2021-12-06 20:41:49,450 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-12-06 20:41:49,451 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-12-06 20:41:49,451 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-06 20:41:49,451 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-12-06 20:41:49,451 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2021-12-06 20:41:49,451 INFO L87 Difference]: Start difference. First operand 2209 states and 2963 transitions. Second operand has 11 states, 11 states have (on average 12.909090909090908) internal successors, (142), 11 states have internal predecessors, (142), 4 states have call successors, (23), 2 states have call predecessors, (23), 3 states have return successors, (22), 2 states have call predecessors, (22), 4 states have call successors, (22) [2021-12-06 20:41:51,501 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:41:53,556 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:41:55,622 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:41:56,153 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 20:41:56,153 INFO L93 Difference]: Finished difference Result 5405 states and 7394 transitions. [2021-12-06 20:41:56,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-06 20:41:56,154 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 12.909090909090908) internal successors, (142), 11 states have internal predecessors, (142), 4 states have call successors, (23), 2 states have call predecessors, (23), 3 states have return successors, (22), 2 states have call predecessors, (22), 4 states have call successors, (22) Word has length 229 [2021-12-06 20:41:56,155 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 20:41:56,165 INFO L225 Difference]: With dead ends: 5405 [2021-12-06 20:41:56,165 INFO L226 Difference]: Without dead ends: 3205 [2021-12-06 20:41:56,169 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 461 GetRequests, 449 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=50, Invalid=132, Unknown=0, NotChecked=0, Total=182 [2021-12-06 20:41:56,169 INFO L933 BasicCegarLoop]: 404 mSDtfsCounter, 140 mSDsluCounter, 2925 mSDsCounter, 0 mSdLazyCounter, 127 mSolverCounterSat, 5 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 167 SdHoareTripleChecker+Valid, 3329 SdHoareTripleChecker+Invalid, 135 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 127 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.5s IncrementalHoareTripleChecker+Time [2021-12-06 20:41:56,170 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [167 Valid, 3329 Invalid, 135 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 127 Invalid, 3 Unknown, 0 Unchecked, 6.5s Time] [2021-12-06 20:41:56,172 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3205 states. [2021-12-06 20:41:56,304 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3205 to 2209. [2021-12-06 20:41:56,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2209 states, 1706 states have (on average 1.2837045720984759) internal successors, (2190), 1732 states have internal predecessors, (2190), 332 states have call successors, (332), 141 states have call predecessors, (332), 170 states have return successors, (441), 335 states have call predecessors, (441), 331 states have call successors, (441) [2021-12-06 20:41:56,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2209 states to 2209 states and 2963 transitions. [2021-12-06 20:41:56,310 INFO L78 Accepts]: Start accepts. Automaton has 2209 states and 2963 transitions. Word has length 229 [2021-12-06 20:41:56,310 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 20:41:56,310 INFO L470 AbstractCegarLoop]: Abstraction has 2209 states and 2963 transitions. [2021-12-06 20:41:56,310 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 12.909090909090908) internal successors, (142), 11 states have internal predecessors, (142), 4 states have call successors, (23), 2 states have call predecessors, (23), 3 states have return successors, (22), 2 states have call predecessors, (22), 4 states have call successors, (22) [2021-12-06 20:41:56,310 INFO L276 IsEmpty]: Start isEmpty. Operand 2209 states and 2963 transitions. [2021-12-06 20:41:56,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2021-12-06 20:41:56,313 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:41:56,313 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 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] [2021-12-06 20:41:56,332 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182cba71-a6f9-4c8f-90c7-ba23f54fafd7/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (23)] Forceful destruction successful, exit code 0 [2021-12-06 20:41:56,514 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182cba71-a6f9-4c8f-90c7-ba23f54fafd7/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-06 20:41:56,515 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 20:41:56,515 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:41:56,516 INFO L85 PathProgramCache]: Analyzing trace with hash -1697357260, now seen corresponding path program 1 times [2021-12-06 20:41:56,519 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 20:41:56,519 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [441042268] [2021-12-06 20:41:56,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:41:56,520 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 20:41:56,520 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182cba71-a6f9-4c8f-90c7-ba23f54fafd7/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 20:41:56,522 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182cba71-a6f9-4c8f-90c7-ba23f54fafd7/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 20:41:56,524 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182cba71-a6f9-4c8f-90c7-ba23f54fafd7/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (24)] Waiting until timeout for monitored process [2021-12-06 20:41:57,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:41:57,460 INFO L263 TraceCheckSpWp]: Trace formula consists of 1392 conjuncts, 10 conjunts are in the unsatisfiable core [2021-12-06 20:41:57,468 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 20:41:57,744 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 7 proven. 10 refuted. 0 times theorem prover too weak. 208 trivial. 0 not checked. [2021-12-06 20:41:57,744 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 20:41:58,712 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 7 proven. 10 refuted. 0 times theorem prover too weak. 208 trivial. 0 not checked. [2021-12-06 20:41:58,712 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-06 20:41:58,712 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [441042268] [2021-12-06 20:41:58,712 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [441042268] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-06 20:41:58,712 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-12-06 20:41:58,713 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 15 [2021-12-06 20:41:58,713 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1523312042] [2021-12-06 20:41:58,713 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-12-06 20:41:58,714 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-12-06 20:41:58,714 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-06 20:41:58,714 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-12-06 20:41:58,714 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=162, Unknown=0, NotChecked=0, Total=210 [2021-12-06 20:41:58,714 INFO L87 Difference]: Start difference. First operand 2209 states and 2963 transitions. Second operand has 15 states, 13 states have (on average 10.23076923076923) internal successors, (133), 15 states have internal predecessors, (133), 4 states have call successors, (20), 2 states have call predecessors, (20), 3 states have return successors, (19), 2 states have call predecessors, (19), 4 states have call successors, (19) [2021-12-06 20:42:00,775 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:42:02,845 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:42:04,922 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:42:07,023 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:42:09,132 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:42:10,700 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 20:42:10,700 INFO L93 Difference]: Finished difference Result 5685 states and 8062 transitions. [2021-12-06 20:42:10,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-12-06 20:42:10,701 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 13 states have (on average 10.23076923076923) internal successors, (133), 15 states have internal predecessors, (133), 4 states have call successors, (20), 2 states have call predecessors, (20), 3 states have return successors, (19), 2 states have call predecessors, (19), 4 states have call successors, (19) Word has length 216 [2021-12-06 20:42:10,702 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 20:42:10,709 INFO L225 Difference]: With dead ends: 5685 [2021-12-06 20:42:10,709 INFO L226 Difference]: Without dead ends: 3485 [2021-12-06 20:42:10,712 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 435 GetRequests, 417 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=93, Invalid=287, Unknown=0, NotChecked=0, Total=380 [2021-12-06 20:42:10,713 INFO L933 BasicCegarLoop]: 419 mSDtfsCounter, 174 mSDsluCounter, 5088 mSDsCounter, 0 mSdLazyCounter, 474 mSolverCounterSat, 14 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 213 SdHoareTripleChecker+Valid, 5507 SdHoareTripleChecker+Invalid, 493 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 474 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.7s IncrementalHoareTripleChecker+Time [2021-12-06 20:42:10,713 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [213 Valid, 5507 Invalid, 493 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 474 Invalid, 5 Unknown, 0 Unchecked, 11.7s Time] [2021-12-06 20:42:10,715 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3485 states. [2021-12-06 20:42:10,839 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3485 to 2219. [2021-12-06 20:42:10,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2219 states, 1716 states have (on average 1.2878787878787878) internal successors, (2210), 1742 states have internal predecessors, (2210), 332 states have call successors, (332), 141 states have call predecessors, (332), 170 states have return successors, (441), 335 states have call predecessors, (441), 331 states have call successors, (441) [2021-12-06 20:42:10,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2219 states to 2219 states and 2983 transitions. [2021-12-06 20:42:10,845 INFO L78 Accepts]: Start accepts. Automaton has 2219 states and 2983 transitions. Word has length 216 [2021-12-06 20:42:10,845 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 20:42:10,845 INFO L470 AbstractCegarLoop]: Abstraction has 2219 states and 2983 transitions. [2021-12-06 20:42:10,845 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 13 states have (on average 10.23076923076923) internal successors, (133), 15 states have internal predecessors, (133), 4 states have call successors, (20), 2 states have call predecessors, (20), 3 states have return successors, (19), 2 states have call predecessors, (19), 4 states have call successors, (19) [2021-12-06 20:42:10,845 INFO L276 IsEmpty]: Start isEmpty. Operand 2219 states and 2983 transitions. [2021-12-06 20:42:10,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2021-12-06 20:42:10,848 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:42:10,849 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 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] [2021-12-06 20:42:10,871 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182cba71-a6f9-4c8f-90c7-ba23f54fafd7/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (24)] Ended with exit code 0 [2021-12-06 20:42:11,049 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182cba71-a6f9-4c8f-90c7-ba23f54fafd7/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-06 20:42:11,050 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 20:42:11,051 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:42:11,052 INFO L85 PathProgramCache]: Analyzing trace with hash 430873721, now seen corresponding path program 2 times [2021-12-06 20:42:11,054 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 20:42:11,055 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1071585398] [2021-12-06 20:42:11,055 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-12-06 20:42:11,055 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 20:42:11,056 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182cba71-a6f9-4c8f-90c7-ba23f54fafd7/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 20:42:11,058 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182cba71-a6f9-4c8f-90c7-ba23f54fafd7/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 20:42:11,060 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182cba71-a6f9-4c8f-90c7-ba23f54fafd7/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (25)] Waiting until timeout for monitored process [2021-12-06 20:42:11,347 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2021-12-06 20:42:11,347 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-06 20:42:11,358 INFO L263 TraceCheckSpWp]: Trace formula consists of 311 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-06 20:42:11,361 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 20:42:11,511 INFO L134 CoverageAnalysis]: Checked inductivity of 232 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 225 trivial. 0 not checked. [2021-12-06 20:42:11,511 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 20:42:11,511 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-06 20:42:11,511 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1071585398] [2021-12-06 20:42:11,511 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1071585398] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 20:42:11,511 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 20:42:11,512 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 20:42:11,512 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1476804182] [2021-12-06 20:42:11,512 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 20:42:11,512 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 20:42:11,512 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-06 20:42:11,512 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 20:42:11,512 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 20:42:11,512 INFO L87 Difference]: Start difference. First operand 2219 states and 2983 transitions. Second operand has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 3 states have internal predecessors, (116), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (18), 2 states have call predecessors, (18), 1 states have call successors, (18) [2021-12-06 20:42:11,619 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 20:42:11,620 INFO L93 Difference]: Finished difference Result 4009 states and 5423 transitions. [2021-12-06 20:42:11,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 20:42:11,620 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 3 states have internal predecessors, (116), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (18), 2 states have call predecessors, (18), 1 states have call successors, (18) Word has length 230 [2021-12-06 20:42:11,621 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 20:42:11,625 INFO L225 Difference]: With dead ends: 4009 [2021-12-06 20:42:11,625 INFO L226 Difference]: Without dead ends: 2229 [2021-12-06 20:42:11,628 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 229 GetRequests, 228 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 20:42:11,629 INFO L933 BasicCegarLoop]: 272 mSDtfsCounter, 5 mSDsluCounter, 264 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 536 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-06 20:42:11,629 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5 Valid, 536 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-06 20:42:11,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2229 states. [2021-12-06 20:42:11,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2229 to 2229. [2021-12-06 20:42:11,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2229 states, 1726 states have (on average 1.2850521436848203) internal successors, (2218), 1752 states have internal predecessors, (2218), 332 states have call successors, (332), 141 states have call predecessors, (332), 170 states have return successors, (441), 335 states have call predecessors, (441), 331 states have call successors, (441) [2021-12-06 20:42:11,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2229 states to 2229 states and 2991 transitions. [2021-12-06 20:42:11,761 INFO L78 Accepts]: Start accepts. Automaton has 2229 states and 2991 transitions. Word has length 230 [2021-12-06 20:42:11,761 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 20:42:11,761 INFO L470 AbstractCegarLoop]: Abstraction has 2229 states and 2991 transitions. [2021-12-06 20:42:11,761 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 3 states have internal predecessors, (116), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (18), 2 states have call predecessors, (18), 1 states have call successors, (18) [2021-12-06 20:42:11,761 INFO L276 IsEmpty]: Start isEmpty. Operand 2229 states and 2991 transitions. [2021-12-06 20:42:11,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2021-12-06 20:42:11,765 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:42:11,765 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 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] [2021-12-06 20:42:11,774 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182cba71-a6f9-4c8f-90c7-ba23f54fafd7/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (25)] Forceful destruction successful, exit code 0 [2021-12-06 20:42:11,965 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182cba71-a6f9-4c8f-90c7-ba23f54fafd7/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-06 20:42:11,967 INFO L402 AbstractCegarLoop]: === Iteration 25 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 20:42:11,967 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:42:11,968 INFO L85 PathProgramCache]: Analyzing trace with hash 1228007192, now seen corresponding path program 1 times [2021-12-06 20:42:11,971 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 20:42:11,971 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1957215756] [2021-12-06 20:42:11,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:42:11,972 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 20:42:11,972 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182cba71-a6f9-4c8f-90c7-ba23f54fafd7/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 20:42:11,974 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182cba71-a6f9-4c8f-90c7-ba23f54fafd7/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 20:42:11,977 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182cba71-a6f9-4c8f-90c7-ba23f54fafd7/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (26)] Waiting until timeout for monitored process [2021-12-06 20:42:12,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:42:12,819 INFO L263 TraceCheckSpWp]: Trace formula consists of 1257 conjuncts, 7 conjunts are in the unsatisfiable core [2021-12-06 20:42:12,822 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 20:42:13,106 INFO L134 CoverageAnalysis]: Checked inductivity of 232 backedges. 15 proven. 6 refuted. 0 times theorem prover too weak. 211 trivial. 0 not checked. [2021-12-06 20:42:13,106 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 20:42:13,852 INFO L134 CoverageAnalysis]: Checked inductivity of 232 backedges. 7 proven. 13 refuted. 0 times theorem prover too weak. 212 trivial. 0 not checked. [2021-12-06 20:42:13,852 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-06 20:42:13,852 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1957215756] [2021-12-06 20:42:13,853 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1957215756] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-06 20:42:13,853 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-12-06 20:42:13,853 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 13 [2021-12-06 20:42:13,853 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1208832042] [2021-12-06 20:42:13,853 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-12-06 20:42:13,853 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-12-06 20:42:13,853 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-06 20:42:13,854 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-12-06 20:42:13,854 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2021-12-06 20:42:13,854 INFO L87 Difference]: Start difference. First operand 2229 states and 2991 transitions. Second operand has 13 states, 13 states have (on average 11.384615384615385) internal successors, (148), 13 states have internal predecessors, (148), 4 states have call successors, (23), 2 states have call predecessors, (23), 3 states have return successors, (22), 2 states have call predecessors, (22), 4 states have call successors, (22) [2021-12-06 20:42:15,904 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:42:17,959 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:42:20,030 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:42:22,130 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:42:22,688 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 20:42:22,688 INFO L93 Difference]: Finished difference Result 5475 states and 7500 transitions. [2021-12-06 20:42:22,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-12-06 20:42:22,689 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 11.384615384615385) internal successors, (148), 13 states have internal predecessors, (148), 4 states have call successors, (23), 2 states have call predecessors, (23), 3 states have return successors, (22), 2 states have call predecessors, (22), 4 states have call successors, (22) Word has length 232 [2021-12-06 20:42:22,689 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 20:42:22,695 INFO L225 Difference]: With dead ends: 5475 [2021-12-06 20:42:22,695 INFO L226 Difference]: Without dead ends: 3255 [2021-12-06 20:42:22,699 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 469 GetRequests, 454 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=70, Invalid=202, Unknown=0, NotChecked=0, Total=272 [2021-12-06 20:42:22,700 INFO L933 BasicCegarLoop]: 405 mSDtfsCounter, 181 mSDsluCounter, 2133 mSDsCounter, 0 mSdLazyCounter, 150 mSolverCounterSat, 9 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 210 SdHoareTripleChecker+Valid, 2538 SdHoareTripleChecker+Invalid, 163 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 150 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.6s IncrementalHoareTripleChecker+Time [2021-12-06 20:42:22,700 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [210 Valid, 2538 Invalid, 163 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 150 Invalid, 4 Unknown, 0 Unchecked, 8.6s Time] [2021-12-06 20:42:22,702 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3255 states. [2021-12-06 20:42:22,835 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3255 to 2229. [2021-12-06 20:42:22,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2229 states, 1726 states have (on average 1.2850521436848203) internal successors, (2218), 1752 states have internal predecessors, (2218), 332 states have call successors, (332), 141 states have call predecessors, (332), 170 states have return successors, (441), 335 states have call predecessors, (441), 331 states have call successors, (441) [2021-12-06 20:42:22,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2229 states to 2229 states and 2991 transitions. [2021-12-06 20:42:22,841 INFO L78 Accepts]: Start accepts. Automaton has 2229 states and 2991 transitions. Word has length 232 [2021-12-06 20:42:22,841 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 20:42:22,841 INFO L470 AbstractCegarLoop]: Abstraction has 2229 states and 2991 transitions. [2021-12-06 20:42:22,841 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 11.384615384615385) internal successors, (148), 13 states have internal predecessors, (148), 4 states have call successors, (23), 2 states have call predecessors, (23), 3 states have return successors, (22), 2 states have call predecessors, (22), 4 states have call successors, (22) [2021-12-06 20:42:22,841 INFO L276 IsEmpty]: Start isEmpty. Operand 2229 states and 2991 transitions. [2021-12-06 20:42:22,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2021-12-06 20:42:22,845 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:42:22,845 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 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] [2021-12-06 20:42:22,866 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182cba71-a6f9-4c8f-90c7-ba23f54fafd7/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (26)] Ended with exit code 0 [2021-12-06 20:42:23,046 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182cba71-a6f9-4c8f-90c7-ba23f54fafd7/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-06 20:42:23,046 INFO L402 AbstractCegarLoop]: === Iteration 26 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 20:42:23,047 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:42:23,048 INFO L85 PathProgramCache]: Analyzing trace with hash 770345830, now seen corresponding path program 1 times [2021-12-06 20:42:23,051 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 20:42:23,051 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [991866840] [2021-12-06 20:42:23,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:42:23,052 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 20:42:23,052 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182cba71-a6f9-4c8f-90c7-ba23f54fafd7/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 20:42:23,054 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182cba71-a6f9-4c8f-90c7-ba23f54fafd7/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 20:42:23,058 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182cba71-a6f9-4c8f-90c7-ba23f54fafd7/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (27)] Waiting until timeout for monitored process [2021-12-06 20:42:24,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:42:24,102 INFO L263 TraceCheckSpWp]: Trace formula consists of 1529 conjuncts, 11 conjunts are in the unsatisfiable core [2021-12-06 20:42:24,104 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 20:42:24,395 INFO L134 CoverageAnalysis]: Checked inductivity of 232 backedges. 7 proven. 15 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2021-12-06 20:42:24,395 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 20:42:25,488 INFO L134 CoverageAnalysis]: Checked inductivity of 232 backedges. 7 proven. 15 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2021-12-06 20:42:25,488 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-06 20:42:25,488 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [991866840] [2021-12-06 20:42:25,488 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [991866840] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-06 20:42:25,488 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-12-06 20:42:25,489 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 17 [2021-12-06 20:42:25,489 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1028258524] [2021-12-06 20:42:25,489 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-12-06 20:42:25,489 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2021-12-06 20:42:25,489 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-06 20:42:25,490 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-12-06 20:42:25,490 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=213, Unknown=0, NotChecked=0, Total=272 [2021-12-06 20:42:25,490 INFO L87 Difference]: Start difference. First operand 2229 states and 2991 transitions. Second operand has 17 states, 15 states have (on average 9.0) internal successors, (135), 17 states have internal predecessors, (135), 4 states have call successors, (20), 2 states have call predecessors, (20), 3 states have return successors, (19), 2 states have call predecessors, (19), 4 states have call successors, (19) [2021-12-06 20:42:27,547 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:42:29,612 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:42:31,693 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:42:33,806 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:42:35,916 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:42:38,021 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:42:39,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 20:42:39,610 INFO L93 Difference]: Finished difference Result 5755 states and 8188 transitions. [2021-12-06 20:42:39,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-12-06 20:42:39,612 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 15 states have (on average 9.0) internal successors, (135), 17 states have internal predecessors, (135), 4 states have call successors, (20), 2 states have call predecessors, (20), 3 states have return successors, (19), 2 states have call predecessors, (19), 4 states have call successors, (19) Word has length 218 [2021-12-06 20:42:39,612 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 20:42:39,620 INFO L225 Difference]: With dead ends: 5755 [2021-12-06 20:42:39,620 INFO L226 Difference]: Without dead ends: 3535 [2021-12-06 20:42:39,624 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 440 GetRequests, 419 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=119, Invalid=387, Unknown=0, NotChecked=0, Total=506 [2021-12-06 20:42:39,625 INFO L933 BasicCegarLoop]: 420 mSDtfsCounter, 350 mSDsluCounter, 3580 mSDsCounter, 0 mSdLazyCounter, 450 mSolverCounterSat, 61 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 391 SdHoareTripleChecker+Valid, 4000 SdHoareTripleChecker+Invalid, 517 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 61 IncrementalHoareTripleChecker+Valid, 450 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.8s IncrementalHoareTripleChecker+Time [2021-12-06 20:42:39,625 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [391 Valid, 4000 Invalid, 517 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [61 Valid, 450 Invalid, 6 Unknown, 0 Unchecked, 13.8s Time] [2021-12-06 20:42:39,628 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3535 states. [2021-12-06 20:42:39,771 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3535 to 2239. [2021-12-06 20:42:39,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2239 states, 1736 states have (on average 1.2891705069124424) internal successors, (2238), 1762 states have internal predecessors, (2238), 332 states have call successors, (332), 141 states have call predecessors, (332), 170 states have return successors, (441), 335 states have call predecessors, (441), 331 states have call successors, (441) [2021-12-06 20:42:39,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2239 states to 2239 states and 3011 transitions. [2021-12-06 20:42:39,777 INFO L78 Accepts]: Start accepts. Automaton has 2239 states and 3011 transitions. Word has length 218 [2021-12-06 20:42:39,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 20:42:39,777 INFO L470 AbstractCegarLoop]: Abstraction has 2239 states and 3011 transitions. [2021-12-06 20:42:39,778 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 15 states have (on average 9.0) internal successors, (135), 17 states have internal predecessors, (135), 4 states have call successors, (20), 2 states have call predecessors, (20), 3 states have return successors, (19), 2 states have call predecessors, (19), 4 states have call successors, (19) [2021-12-06 20:42:39,778 INFO L276 IsEmpty]: Start isEmpty. Operand 2239 states and 3011 transitions. [2021-12-06 20:42:39,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2021-12-06 20:42:39,781 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:42:39,781 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 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] [2021-12-06 20:42:39,807 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182cba71-a6f9-4c8f-90c7-ba23f54fafd7/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (27)] Ended with exit code 0 [2021-12-06 20:42:39,981 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182cba71-a6f9-4c8f-90c7-ba23f54fafd7/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-06 20:42:39,982 INFO L402 AbstractCegarLoop]: === Iteration 27 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 20:42:39,982 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:42:39,982 INFO L85 PathProgramCache]: Analyzing trace with hash 233887179, now seen corresponding path program 1 times [2021-12-06 20:42:39,983 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 20:42:39,983 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [274801755] [2021-12-06 20:42:39,983 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:42:39,983 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 20:42:39,983 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182cba71-a6f9-4c8f-90c7-ba23f54fafd7/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 20:42:39,984 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182cba71-a6f9-4c8f-90c7-ba23f54fafd7/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 20:42:39,984 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182cba71-a6f9-4c8f-90c7-ba23f54fafd7/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (28)] Waiting until timeout for monitored process [2021-12-06 20:42:40,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:42:40,880 INFO L263 TraceCheckSpWp]: Trace formula consists of 1390 conjuncts, 8 conjunts are in the unsatisfiable core [2021-12-06 20:42:40,883 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 20:42:41,156 INFO L134 CoverageAnalysis]: Checked inductivity of 239 backedges. 16 proven. 10 refuted. 0 times theorem prover too weak. 213 trivial. 0 not checked. [2021-12-06 20:42:41,156 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 20:42:42,044 INFO L134 CoverageAnalysis]: Checked inductivity of 239 backedges. 7 proven. 18 refuted. 0 times theorem prover too weak. 214 trivial. 0 not checked. [2021-12-06 20:42:42,044 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-06 20:42:42,044 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [274801755] [2021-12-06 20:42:42,044 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [274801755] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-06 20:42:42,044 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-12-06 20:42:42,044 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 15 [2021-12-06 20:42:42,044 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1842462614] [2021-12-06 20:42:42,044 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-12-06 20:42:42,045 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-12-06 20:42:42,045 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-06 20:42:42,045 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-12-06 20:42:42,045 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=162, Unknown=0, NotChecked=0, Total=210 [2021-12-06 20:42:42,045 INFO L87 Difference]: Start difference. First operand 2239 states and 3011 transitions. Second operand has 15 states, 15 states have (on average 9.733333333333333) internal successors, (146), 15 states have internal predecessors, (146), 4 states have call successors, (23), 2 states have call predecessors, (23), 3 states have return successors, (22), 2 states have call predecessors, (22), 4 states have call successors, (22) [2021-12-06 20:42:44,106 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:42:46,176 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:42:48,253 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:42:50,358 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:42:52,466 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:42:53,315 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 20:42:53,315 INFO L93 Difference]: Finished difference Result 5525 states and 7590 transitions. [2021-12-06 20:42:53,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-12-06 20:42:53,320 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 9.733333333333333) internal successors, (146), 15 states have internal predecessors, (146), 4 states have call successors, (23), 2 states have call predecessors, (23), 3 states have return successors, (22), 2 states have call predecessors, (22), 4 states have call successors, (22) Word has length 232 [2021-12-06 20:42:53,320 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 20:42:53,334 INFO L225 Difference]: With dead ends: 5525 [2021-12-06 20:42:53,334 INFO L226 Difference]: Without dead ends: 3295 [2021-12-06 20:42:53,338 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 471 GetRequests, 453 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=93, Invalid=287, Unknown=0, NotChecked=0, Total=380 [2021-12-06 20:42:53,339 INFO L933 BasicCegarLoop]: 406 mSDtfsCounter, 296 mSDsluCounter, 3470 mSDsCounter, 0 mSdLazyCounter, 229 mSolverCounterSat, 45 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 327 SdHoareTripleChecker+Valid, 3876 SdHoareTripleChecker+Invalid, 279 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 229 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.0s IncrementalHoareTripleChecker+Time [2021-12-06 20:42:53,339 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [327 Valid, 3876 Invalid, 279 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 229 Invalid, 5 Unknown, 0 Unchecked, 11.0s Time] [2021-12-06 20:42:53,341 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3295 states. [2021-12-06 20:42:53,469 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3295 to 2239. [2021-12-06 20:42:53,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2239 states, 1736 states have (on average 1.2891705069124424) internal successors, (2238), 1762 states have internal predecessors, (2238), 332 states have call successors, (332), 141 states have call predecessors, (332), 170 states have return successors, (441), 335 states have call predecessors, (441), 331 states have call successors, (441) [2021-12-06 20:42:53,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2239 states to 2239 states and 3011 transitions. [2021-12-06 20:42:53,475 INFO L78 Accepts]: Start accepts. Automaton has 2239 states and 3011 transitions. Word has length 232 [2021-12-06 20:42:53,475 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 20:42:53,475 INFO L470 AbstractCegarLoop]: Abstraction has 2239 states and 3011 transitions. [2021-12-06 20:42:53,475 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 9.733333333333333) internal successors, (146), 15 states have internal predecessors, (146), 4 states have call successors, (23), 2 states have call predecessors, (23), 3 states have return successors, (22), 2 states have call predecessors, (22), 4 states have call successors, (22) [2021-12-06 20:42:53,476 INFO L276 IsEmpty]: Start isEmpty. Operand 2239 states and 3011 transitions. [2021-12-06 20:42:53,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2021-12-06 20:42:53,479 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:42:53,479 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 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] [2021-12-06 20:42:53,502 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182cba71-a6f9-4c8f-90c7-ba23f54fafd7/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (28)] Ended with exit code 0 [2021-12-06 20:42:53,679 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182cba71-a6f9-4c8f-90c7-ba23f54fafd7/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-06 20:42:53,679 INFO L402 AbstractCegarLoop]: === Iteration 28 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 20:42:53,680 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:42:53,680 INFO L85 PathProgramCache]: Analyzing trace with hash 2054779152, now seen corresponding path program 2 times [2021-12-06 20:42:53,681 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 20:42:53,681 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [550518114] [2021-12-06 20:42:53,681 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-12-06 20:42:53,681 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 20:42:53,681 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182cba71-a6f9-4c8f-90c7-ba23f54fafd7/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 20:42:53,682 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182cba71-a6f9-4c8f-90c7-ba23f54fafd7/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 20:42:53,682 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182cba71-a6f9-4c8f-90c7-ba23f54fafd7/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (29)] Waiting until timeout for monitored process [2021-12-06 20:42:55,084 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-12-06 20:42:55,084 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-06 20:42:55,193 INFO L263 TraceCheckSpWp]: Trace formula consists of 1664 conjuncts, 12 conjunts are in the unsatisfiable core [2021-12-06 20:42:55,195 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 20:42:55,524 INFO L134 CoverageAnalysis]: Checked inductivity of 238 backedges. 7 proven. 21 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2021-12-06 20:42:55,524 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 20:42:56,890 INFO L134 CoverageAnalysis]: Checked inductivity of 238 backedges. 7 proven. 21 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2021-12-06 20:42:56,891 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-06 20:42:56,891 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [550518114] [2021-12-06 20:42:56,891 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [550518114] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-06 20:42:56,891 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-12-06 20:42:56,891 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 19 [2021-12-06 20:42:56,891 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [641374486] [2021-12-06 20:42:56,891 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-12-06 20:42:56,891 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2021-12-06 20:42:56,891 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-06 20:42:56,892 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-12-06 20:42:56,892 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=271, Unknown=0, NotChecked=0, Total=342 [2021-12-06 20:42:56,892 INFO L87 Difference]: Start difference. First operand 2239 states and 3011 transitions. Second operand has 19 states, 17 states have (on average 8.058823529411764) internal successors, (137), 19 states have internal predecessors, (137), 4 states have call successors, (20), 2 states have call predecessors, (20), 3 states have return successors, (19), 2 states have call predecessors, (19), 4 states have call successors, (19) [2021-12-06 20:42:58,952 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:43:01,022 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:43:03,104 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:43:05,224 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:43:07,352 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:43:09,497 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:43:11,635 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:43:13,526 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 20:43:13,527 INFO L93 Difference]: Finished difference Result 5805 states and 8298 transitions. [2021-12-06 20:43:13,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-12-06 20:43:13,528 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 17 states have (on average 8.058823529411764) internal successors, (137), 19 states have internal predecessors, (137), 4 states have call successors, (20), 2 states have call predecessors, (20), 3 states have return successors, (19), 2 states have call predecessors, (19), 4 states have call successors, (19) Word has length 219 [2021-12-06 20:43:13,529 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 20:43:13,536 INFO L225 Difference]: With dead ends: 5805 [2021-12-06 20:43:13,536 INFO L226 Difference]: Without dead ends: 3575 [2021-12-06 20:43:13,540 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 443 GetRequests, 419 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=148, Invalid=502, Unknown=0, NotChecked=0, Total=650 [2021-12-06 20:43:13,541 INFO L933 BasicCegarLoop]: 421 mSDtfsCounter, 254 mSDsluCounter, 3869 mSDsCounter, 0 mSdLazyCounter, 576 mSolverCounterSat, 27 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 297 SdHoareTripleChecker+Valid, 4290 SdHoareTripleChecker+Invalid, 610 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 576 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.2s IncrementalHoareTripleChecker+Time [2021-12-06 20:43:13,541 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [297 Valid, 4290 Invalid, 610 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 576 Invalid, 7 Unknown, 0 Unchecked, 16.2s Time] [2021-12-06 20:43:13,544 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3575 states. [2021-12-06 20:43:13,682 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3575 to 2249. [2021-12-06 20:43:13,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2249 states, 1746 states have (on average 1.293241695303551) internal successors, (2258), 1772 states have internal predecessors, (2258), 332 states have call successors, (332), 141 states have call predecessors, (332), 170 states have return successors, (441), 335 states have call predecessors, (441), 331 states have call successors, (441) [2021-12-06 20:43:13,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2249 states to 2249 states and 3031 transitions. [2021-12-06 20:43:13,688 INFO L78 Accepts]: Start accepts. Automaton has 2249 states and 3031 transitions. Word has length 219 [2021-12-06 20:43:13,689 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 20:43:13,689 INFO L470 AbstractCegarLoop]: Abstraction has 2249 states and 3031 transitions. [2021-12-06 20:43:13,689 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 17 states have (on average 8.058823529411764) internal successors, (137), 19 states have internal predecessors, (137), 4 states have call successors, (20), 2 states have call predecessors, (20), 3 states have return successors, (19), 2 states have call predecessors, (19), 4 states have call successors, (19) [2021-12-06 20:43:13,689 INFO L276 IsEmpty]: Start isEmpty. Operand 2249 states and 3031 transitions. [2021-12-06 20:43:13,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2021-12-06 20:43:13,692 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:43:13,693 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 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] [2021-12-06 20:43:13,725 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182cba71-a6f9-4c8f-90c7-ba23f54fafd7/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (29)] Ended with exit code 0 [2021-12-06 20:43:13,893 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 29 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182cba71-a6f9-4c8f-90c7-ba23f54fafd7/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-06 20:43:13,893 INFO L402 AbstractCegarLoop]: === Iteration 29 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 20:43:13,893 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:43:13,894 INFO L85 PathProgramCache]: Analyzing trace with hash 358438808, now seen corresponding path program 2 times [2021-12-06 20:43:13,894 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 20:43:13,894 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [616041073] [2021-12-06 20:43:13,895 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-12-06 20:43:13,895 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 20:43:13,895 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182cba71-a6f9-4c8f-90c7-ba23f54fafd7/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 20:43:13,895 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182cba71-a6f9-4c8f-90c7-ba23f54fafd7/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 20:43:13,896 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182cba71-a6f9-4c8f-90c7-ba23f54fafd7/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (30)] Waiting until timeout for monitored process [2021-12-06 20:43:14,261 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2021-12-06 20:43:14,261 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-06 20:43:14,273 INFO L263 TraceCheckSpWp]: Trace formula consists of 315 conjuncts, 14 conjunts are in the unsatisfiable core [2021-12-06 20:43:14,275 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 20:43:15,103 INFO L134 CoverageAnalysis]: Checked inductivity of 243 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 236 trivial. 0 not checked. [2021-12-06 20:43:15,103 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 20:43:15,103 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-06 20:43:15,103 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [616041073] [2021-12-06 20:43:15,103 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [616041073] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 20:43:15,103 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 20:43:15,103 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-12-06 20:43:15,103 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [768224208] [2021-12-06 20:43:15,103 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 20:43:15,104 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-12-06 20:43:15,104 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-06 20:43:15,104 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-12-06 20:43:15,104 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2021-12-06 20:43:15,105 INFO L87 Difference]: Start difference. First operand 2249 states and 3031 transitions. Second operand has 12 states, 12 states have (on average 9.833333333333334) internal successors, (118), 12 states have internal predecessors, (118), 4 states have call successors, (19), 4 states have call predecessors, (19), 3 states have return successors, (18), 4 states have call predecessors, (18), 3 states have call successors, (18) [2021-12-06 20:43:18,364 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:43:20,372 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:43:22,387 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:43:24,397 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:43:26,405 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:43:28,414 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:43:30,422 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:43:34,410 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:43:36,313 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 20:43:36,313 INFO L93 Difference]: Finished difference Result 6816 states and 9226 transitions. [2021-12-06 20:43:36,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-12-06 20:43:36,314 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 9.833333333333334) internal successors, (118), 12 states have internal predecessors, (118), 4 states have call successors, (19), 4 states have call predecessors, (19), 3 states have return successors, (18), 4 states have call predecessors, (18), 3 states have call successors, (18) Word has length 234 [2021-12-06 20:43:36,314 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 20:43:36,322 INFO L225 Difference]: With dead ends: 6816 [2021-12-06 20:43:36,322 INFO L226 Difference]: Without dead ends: 4571 [2021-12-06 20:43:36,326 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 261 GetRequests, 229 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 250 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=196, Invalid=926, Unknown=0, NotChecked=0, Total=1122 [2021-12-06 20:43:36,327 INFO L933 BasicCegarLoop]: 318 mSDtfsCounter, 1250 mSDsluCounter, 1666 mSDsCounter, 0 mSdLazyCounter, 1579 mSolverCounterSat, 374 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1296 SdHoareTripleChecker+Valid, 1984 SdHoareTripleChecker+Invalid, 1961 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 374 IncrementalHoareTripleChecker+Valid, 1579 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.2s IncrementalHoareTripleChecker+Time [2021-12-06 20:43:36,327 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1296 Valid, 1984 Invalid, 1961 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [374 Valid, 1579 Invalid, 8 Unknown, 0 Unchecked, 20.2s Time] [2021-12-06 20:43:36,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4571 states. [2021-12-06 20:43:36,587 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4571 to 3727. [2021-12-06 20:43:36,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3727 states, 2916 states have (on average 1.2818930041152263) internal successors, (3738), 2962 states have internal predecessors, (3738), 520 states have call successors, (520), 241 states have call predecessors, (520), 290 states have return successors, (697), 523 states have call predecessors, (697), 519 states have call successors, (697) [2021-12-06 20:43:36,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3727 states to 3727 states and 4955 transitions. [2021-12-06 20:43:36,597 INFO L78 Accepts]: Start accepts. Automaton has 3727 states and 4955 transitions. Word has length 234 [2021-12-06 20:43:36,597 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 20:43:36,597 INFO L470 AbstractCegarLoop]: Abstraction has 3727 states and 4955 transitions. [2021-12-06 20:43:36,597 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 9.833333333333334) internal successors, (118), 12 states have internal predecessors, (118), 4 states have call successors, (19), 4 states have call predecessors, (19), 3 states have return successors, (18), 4 states have call predecessors, (18), 3 states have call successors, (18) [2021-12-06 20:43:36,597 INFO L276 IsEmpty]: Start isEmpty. Operand 3727 states and 4955 transitions. [2021-12-06 20:43:36,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2021-12-06 20:43:36,600 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:43:36,600 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 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] [2021-12-06 20:43:36,610 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182cba71-a6f9-4c8f-90c7-ba23f54fafd7/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (30)] Ended with exit code 0 [2021-12-06 20:43:36,800 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 30 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182cba71-a6f9-4c8f-90c7-ba23f54fafd7/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-06 20:43:36,801 INFO L402 AbstractCegarLoop]: === Iteration 30 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 20:43:36,802 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:43:36,803 INFO L85 PathProgramCache]: Analyzing trace with hash 1951543631, now seen corresponding path program 2 times [2021-12-06 20:43:36,806 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 20:43:36,806 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1766329675] [2021-12-06 20:43:36,806 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-12-06 20:43:36,807 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 20:43:36,807 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182cba71-a6f9-4c8f-90c7-ba23f54fafd7/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 20:43:36,809 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182cba71-a6f9-4c8f-90c7-ba23f54fafd7/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 20:43:36,811 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182cba71-a6f9-4c8f-90c7-ba23f54fafd7/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (31)] Waiting until timeout for monitored process [2021-12-06 20:43:37,890 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-12-06 20:43:37,890 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-06 20:43:37,977 INFO L263 TraceCheckSpWp]: Trace formula consists of 1525 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-06 20:43:37,979 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 20:43:38,194 INFO L134 CoverageAnalysis]: Checked inductivity of 245 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 238 trivial. 0 not checked. [2021-12-06 20:43:38,194 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 20:43:38,194 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-06 20:43:38,194 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1766329675] [2021-12-06 20:43:38,195 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1766329675] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 20:43:38,195 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 20:43:38,195 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 20:43:38,195 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2102059649] [2021-12-06 20:43:38,195 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 20:43:38,195 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 20:43:38,195 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-06 20:43:38,196 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 20:43:38,196 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 20:43:38,196 INFO L87 Difference]: Start difference. First operand 3727 states and 4955 transitions. Second operand has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 3 states have internal predecessors, (116), 3 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2021-12-06 20:43:38,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 20:43:38,567 INFO L93 Difference]: Finished difference Result 9135 states and 12490 transitions. [2021-12-06 20:43:38,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 20:43:38,568 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 3 states have internal predecessors, (116), 3 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) Word has length 233 [2021-12-06 20:43:38,568 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 20:43:38,576 INFO L225 Difference]: With dead ends: 9135 [2021-12-06 20:43:38,576 INFO L226 Difference]: Without dead ends: 5635 [2021-12-06 20:43:38,580 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 232 GetRequests, 231 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 20:43:38,581 INFO L933 BasicCegarLoop]: 439 mSDtfsCounter, 110 mSDsluCounter, 291 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 129 SdHoareTripleChecker+Valid, 730 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-06 20:43:38,581 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [129 Valid, 730 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-06 20:43:38,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5635 states. [2021-12-06 20:43:38,912 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5635 to 3947. [2021-12-06 20:43:38,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3947 states, 3046 states have (on average 1.273145108338805) internal successors, (3878), 3102 states have internal predecessors, (3878), 610 states have call successors, (610), 241 states have call predecessors, (610), 290 states have return successors, (861), 603 states have call predecessors, (861), 609 states have call successors, (861) [2021-12-06 20:43:38,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3947 states to 3947 states and 5349 transitions. [2021-12-06 20:43:38,924 INFO L78 Accepts]: Start accepts. Automaton has 3947 states and 5349 transitions. Word has length 233 [2021-12-06 20:43:38,925 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 20:43:38,925 INFO L470 AbstractCegarLoop]: Abstraction has 3947 states and 5349 transitions. [2021-12-06 20:43:38,925 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 3 states have internal predecessors, (116), 3 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2021-12-06 20:43:38,925 INFO L276 IsEmpty]: Start isEmpty. Operand 3947 states and 5349 transitions. [2021-12-06 20:43:38,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2021-12-06 20:43:38,928 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:43:38,929 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 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] [2021-12-06 20:43:38,955 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182cba71-a6f9-4c8f-90c7-ba23f54fafd7/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (31)] Forceful destruction successful, exit code 0 [2021-12-06 20:43:39,129 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 31 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182cba71-a6f9-4c8f-90c7-ba23f54fafd7/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-06 20:43:39,130 INFO L402 AbstractCegarLoop]: === Iteration 31 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 20:43:39,131 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:43:39,132 INFO L85 PathProgramCache]: Analyzing trace with hash 109067917, now seen corresponding path program 1 times [2021-12-06 20:43:39,135 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 20:43:39,136 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [486852626] [2021-12-06 20:43:39,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:43:39,136 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 20:43:39,137 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182cba71-a6f9-4c8f-90c7-ba23f54fafd7/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 20:43:39,139 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182cba71-a6f9-4c8f-90c7-ba23f54fafd7/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 20:43:39,141 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182cba71-a6f9-4c8f-90c7-ba23f54fafd7/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (32)] Waiting until timeout for monitored process [2021-12-06 20:43:40,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:43:40,289 INFO L263 TraceCheckSpWp]: Trace formula consists of 1525 conjuncts, 4 conjunts are in the unsatisfiable core [2021-12-06 20:43:40,292 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 20:43:40,517 INFO L134 CoverageAnalysis]: Checked inductivity of 245 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 228 trivial. 0 not checked. [2021-12-06 20:43:40,518 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 20:43:40,518 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-06 20:43:40,518 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [486852626] [2021-12-06 20:43:40,518 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [486852626] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 20:43:40,518 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 20:43:40,518 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-06 20:43:40,518 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [472639759] [2021-12-06 20:43:40,518 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 20:43:40,519 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-06 20:43:40,519 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-06 20:43:40,519 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-06 20:43:40,519 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-06 20:43:40,519 INFO L87 Difference]: Start difference. First operand 3947 states and 5349 transitions. Second operand has 5 states, 5 states have (on average 24.0) internal successors, (120), 5 states have internal predecessors, (120), 3 states have call successors, (19), 2 states have call predecessors, (19), 3 states have return successors, (18), 2 states have call predecessors, (18), 3 states have call successors, (18) [2021-12-06 20:43:42,560 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:43:43,014 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 20:43:43,014 INFO L93 Difference]: Finished difference Result 9319 states and 12898 transitions. [2021-12-06 20:43:43,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-06 20:43:43,015 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 24.0) internal successors, (120), 5 states have internal predecessors, (120), 3 states have call successors, (19), 2 states have call predecessors, (19), 3 states have return successors, (18), 2 states have call predecessors, (18), 3 states have call successors, (18) Word has length 233 [2021-12-06 20:43:43,015 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 20:43:43,023 INFO L225 Difference]: With dead ends: 9319 [2021-12-06 20:43:43,023 INFO L226 Difference]: Without dead ends: 5601 [2021-12-06 20:43:43,027 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 233 GetRequests, 229 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-06 20:43:43,028 INFO L933 BasicCegarLoop]: 404 mSDtfsCounter, 117 mSDsluCounter, 1067 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 140 SdHoareTripleChecker+Valid, 1471 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2021-12-06 20:43:43,028 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [140 Valid, 1471 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 25 Invalid, 1 Unknown, 0 Unchecked, 2.1s Time] [2021-12-06 20:43:43,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5601 states. [2021-12-06 20:43:43,355 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5601 to 3957. [2021-12-06 20:43:43,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3957 states, 3056 states have (on average 1.2755235602094241) internal successors, (3898), 3112 states have internal predecessors, (3898), 610 states have call successors, (610), 241 states have call predecessors, (610), 290 states have return successors, (861), 603 states have call predecessors, (861), 609 states have call successors, (861) [2021-12-06 20:43:43,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3957 states to 3957 states and 5369 transitions. [2021-12-06 20:43:43,364 INFO L78 Accepts]: Start accepts. Automaton has 3957 states and 5369 transitions. Word has length 233 [2021-12-06 20:43:43,364 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 20:43:43,364 INFO L470 AbstractCegarLoop]: Abstraction has 3957 states and 5369 transitions. [2021-12-06 20:43:43,365 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 24.0) internal successors, (120), 5 states have internal predecessors, (120), 3 states have call successors, (19), 2 states have call predecessors, (19), 3 states have return successors, (18), 2 states have call predecessors, (18), 3 states have call successors, (18) [2021-12-06 20:43:43,365 INFO L276 IsEmpty]: Start isEmpty. Operand 3957 states and 5369 transitions. [2021-12-06 20:43:43,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2021-12-06 20:43:43,367 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:43:43,368 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 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] [2021-12-06 20:43:43,394 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182cba71-a6f9-4c8f-90c7-ba23f54fafd7/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (32)] Ended with exit code 0 [2021-12-06 20:43:43,568 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 32 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182cba71-a6f9-4c8f-90c7-ba23f54fafd7/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-06 20:43:43,569 INFO L402 AbstractCegarLoop]: === Iteration 32 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 20:43:43,570 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:43:43,570 INFO L85 PathProgramCache]: Analyzing trace with hash 1944951883, now seen corresponding path program 1 times [2021-12-06 20:43:43,573 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 20:43:43,573 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1314335863] [2021-12-06 20:43:43,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:43:43,574 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 20:43:43,574 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182cba71-a6f9-4c8f-90c7-ba23f54fafd7/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 20:43:43,576 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182cba71-a6f9-4c8f-90c7-ba23f54fafd7/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 20:43:43,579 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182cba71-a6f9-4c8f-90c7-ba23f54fafd7/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (33)] Waiting until timeout for monitored process [2021-12-06 20:43:44,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:43:45,084 INFO L263 TraceCheckSpWp]: Trace formula consists of 1538 conjuncts, 4 conjunts are in the unsatisfiable core [2021-12-06 20:43:45,086 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 20:43:45,271 INFO L134 CoverageAnalysis]: Checked inductivity of 247 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 230 trivial. 0 not checked. [2021-12-06 20:43:45,272 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 20:43:45,272 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-06 20:43:45,272 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1314335863] [2021-12-06 20:43:45,272 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1314335863] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 20:43:45,272 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 20:43:45,272 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-06 20:43:45,272 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1009120772] [2021-12-06 20:43:45,272 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 20:43:45,272 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-06 20:43:45,273 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-06 20:43:45,273 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-06 20:43:45,273 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-06 20:43:45,273 INFO L87 Difference]: Start difference. First operand 3957 states and 5369 transitions. Second operand has 5 states, 5 states have (on average 24.2) internal successors, (121), 5 states have internal predecessors, (121), 3 states have call successors, (19), 2 states have call predecessors, (19), 3 states have return successors, (18), 2 states have call predecessors, (18), 3 states have call successors, (18) [2021-12-06 20:43:47,309 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:43:47,738 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 20:43:47,738 INFO L93 Difference]: Finished difference Result 9259 states and 12708 transitions. [2021-12-06 20:43:47,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-06 20:43:47,739 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 24.2) internal successors, (121), 5 states have internal predecessors, (121), 3 states have call successors, (19), 2 states have call predecessors, (19), 3 states have return successors, (18), 2 states have call predecessors, (18), 3 states have call successors, (18) Word has length 234 [2021-12-06 20:43:47,739 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 20:43:47,747 INFO L225 Difference]: With dead ends: 9259 [2021-12-06 20:43:47,747 INFO L226 Difference]: Without dead ends: 5501 [2021-12-06 20:43:47,751 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 234 GetRequests, 230 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-06 20:43:47,752 INFO L933 BasicCegarLoop]: 401 mSDtfsCounter, 113 mSDsluCounter, 1066 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 132 SdHoareTripleChecker+Valid, 1467 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2021-12-06 20:43:47,752 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [132 Valid, 1467 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 17 Invalid, 1 Unknown, 0 Unchecked, 2.1s Time] [2021-12-06 20:43:47,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5501 states. [2021-12-06 20:43:48,030 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5501 to 3907. [2021-12-06 20:43:48,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3907 states, 3026 states have (on average 1.2683410442828817) internal successors, (3838), 3082 states have internal predecessors, (3838), 590 states have call successors, (590), 241 states have call predecessors, (590), 290 states have return successors, (801), 583 states have call predecessors, (801), 589 states have call successors, (801) [2021-12-06 20:43:48,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3907 states to 3907 states and 5229 transitions. [2021-12-06 20:43:48,039 INFO L78 Accepts]: Start accepts. Automaton has 3907 states and 5229 transitions. Word has length 234 [2021-12-06 20:43:48,039 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 20:43:48,039 INFO L470 AbstractCegarLoop]: Abstraction has 3907 states and 5229 transitions. [2021-12-06 20:43:48,040 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 24.2) internal successors, (121), 5 states have internal predecessors, (121), 3 states have call successors, (19), 2 states have call predecessors, (19), 3 states have return successors, (18), 2 states have call predecessors, (18), 3 states have call successors, (18) [2021-12-06 20:43:48,040 INFO L276 IsEmpty]: Start isEmpty. Operand 3907 states and 5229 transitions. [2021-12-06 20:43:48,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2021-12-06 20:43:48,042 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:43:48,042 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 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] [2021-12-06 20:43:48,067 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182cba71-a6f9-4c8f-90c7-ba23f54fafd7/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (33)] Forceful destruction successful, exit code 0 [2021-12-06 20:43:48,243 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 33 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182cba71-a6f9-4c8f-90c7-ba23f54fafd7/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-06 20:43:48,243 INFO L402 AbstractCegarLoop]: === Iteration 33 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 20:43:48,244 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:43:48,244 INFO L85 PathProgramCache]: Analyzing trace with hash -1077460826, now seen corresponding path program 3 times [2021-12-06 20:43:48,248 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 20:43:48,248 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2073954708] [2021-12-06 20:43:48,248 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-12-06 20:43:48,249 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 20:43:48,249 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182cba71-a6f9-4c8f-90c7-ba23f54fafd7/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 20:43:48,251 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182cba71-a6f9-4c8f-90c7-ba23f54fafd7/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 20:43:48,253 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182cba71-a6f9-4c8f-90c7-ba23f54fafd7/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (34)] Waiting until timeout for monitored process [2021-12-06 20:43:49,560 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-12-06 20:43:49,560 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-06 20:43:49,613 INFO L263 TraceCheckSpWp]: Trace formula consists of 858 conjuncts, 7 conjunts are in the unsatisfiable core [2021-12-06 20:43:49,616 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 20:43:49,829 INFO L134 CoverageAnalysis]: Checked inductivity of 245 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 237 trivial. 0 not checked. [2021-12-06 20:43:49,829 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 20:43:50,188 INFO L134 CoverageAnalysis]: Checked inductivity of 245 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 237 trivial. 0 not checked. [2021-12-06 20:43:50,188 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-06 20:43:50,188 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2073954708] [2021-12-06 20:43:50,188 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2073954708] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-06 20:43:50,188 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-12-06 20:43:50,188 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 9 [2021-12-06 20:43:50,188 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [597454584] [2021-12-06 20:43:50,188 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-12-06 20:43:50,189 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-06 20:43:50,189 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-06 20:43:50,189 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-06 20:43:50,189 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-12-06 20:43:50,189 INFO L87 Difference]: Start difference. First operand 3907 states and 5229 transitions. Second operand has 9 states, 7 states have (on average 18.142857142857142) internal successors, (127), 9 states have internal predecessors, (127), 4 states have call successors, (20), 2 states have call predecessors, (20), 3 states have return successors, (19), 2 states have call predecessors, (19), 4 states have call successors, (19) [2021-12-06 20:43:52,227 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:43:52,911 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 20:43:52,911 INFO L93 Difference]: Finished difference Result 9675 states and 13544 transitions. [2021-12-06 20:43:52,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-06 20:43:52,913 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 7 states have (on average 18.142857142857142) internal successors, (127), 9 states have internal predecessors, (127), 4 states have call successors, (20), 2 states have call predecessors, (20), 3 states have return successors, (19), 2 states have call predecessors, (19), 4 states have call successors, (19) Word has length 220 [2021-12-06 20:43:52,913 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 20:43:52,923 INFO L225 Difference]: With dead ends: 9675 [2021-12-06 20:43:52,923 INFO L226 Difference]: Without dead ends: 5997 [2021-12-06 20:43:52,927 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 440 GetRequests, 431 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2021-12-06 20:43:52,928 INFO L933 BasicCegarLoop]: 412 mSDtfsCounter, 130 mSDsluCounter, 1769 mSDsCounter, 0 mSdLazyCounter, 62 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 159 SdHoareTripleChecker+Valid, 2181 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 62 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2021-12-06 20:43:52,928 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [159 Valid, 2181 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 62 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2021-12-06 20:43:52,931 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5997 states. [2021-12-06 20:43:53,226 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5997 to 3917. [2021-12-06 20:43:53,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3917 states, 3036 states have (on average 1.2707509881422925) internal successors, (3858), 3092 states have internal predecessors, (3858), 590 states have call successors, (590), 241 states have call predecessors, (590), 290 states have return successors, (801), 583 states have call predecessors, (801), 589 states have call successors, (801) [2021-12-06 20:43:53,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3917 states to 3917 states and 5249 transitions. [2021-12-06 20:43:53,234 INFO L78 Accepts]: Start accepts. Automaton has 3917 states and 5249 transitions. Word has length 220 [2021-12-06 20:43:53,234 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 20:43:53,235 INFO L470 AbstractCegarLoop]: Abstraction has 3917 states and 5249 transitions. [2021-12-06 20:43:53,235 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 7 states have (on average 18.142857142857142) internal successors, (127), 9 states have internal predecessors, (127), 4 states have call successors, (20), 2 states have call predecessors, (20), 3 states have return successors, (19), 2 states have call predecessors, (19), 4 states have call successors, (19) [2021-12-06 20:43:53,235 INFO L276 IsEmpty]: Start isEmpty. Operand 3917 states and 5249 transitions. [2021-12-06 20:43:53,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2021-12-06 20:43:53,237 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:43:53,237 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 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] [2021-12-06 20:43:53,256 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182cba71-a6f9-4c8f-90c7-ba23f54fafd7/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (34)] Ended with exit code 0 [2021-12-06 20:43:53,438 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 34 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182cba71-a6f9-4c8f-90c7-ba23f54fafd7/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-06 20:43:53,438 INFO L402 AbstractCegarLoop]: === Iteration 34 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 20:43:53,439 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:43:53,439 INFO L85 PathProgramCache]: Analyzing trace with hash 1697025614, now seen corresponding path program 4 times [2021-12-06 20:43:53,443 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 20:43:53,443 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1746457679] [2021-12-06 20:43:53,443 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-12-06 20:43:53,444 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 20:43:53,444 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182cba71-a6f9-4c8f-90c7-ba23f54fafd7/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 20:43:53,446 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182cba71-a6f9-4c8f-90c7-ba23f54fafd7/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 20:43:53,448 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182cba71-a6f9-4c8f-90c7-ba23f54fafd7/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (35)] Waiting until timeout for monitored process [2021-12-06 20:43:54,889 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-12-06 20:43:54,889 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-06 20:43:55,002 INFO L263 TraceCheckSpWp]: Trace formula consists of 1812 conjuncts, 13 conjunts are in the unsatisfiable core [2021-12-06 20:43:55,004 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 20:43:55,373 INFO L134 CoverageAnalysis]: Checked inductivity of 247 backedges. 7 proven. 28 refuted. 0 times theorem prover too weak. 212 trivial. 0 not checked. [2021-12-06 20:43:55,373 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 20:43:57,099 INFO L134 CoverageAnalysis]: Checked inductivity of 247 backedges. 7 proven. 28 refuted. 0 times theorem prover too weak. 212 trivial. 0 not checked. [2021-12-06 20:43:57,099 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-06 20:43:57,099 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1746457679] [2021-12-06 20:43:57,099 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1746457679] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-06 20:43:57,099 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-12-06 20:43:57,100 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 21 [2021-12-06 20:43:57,100 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [297697978] [2021-12-06 20:43:57,100 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-12-06 20:43:57,100 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2021-12-06 20:43:57,100 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-06 20:43:57,100 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-12-06 20:43:57,100 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=336, Unknown=0, NotChecked=0, Total=420 [2021-12-06 20:43:57,101 INFO L87 Difference]: Start difference. First operand 3917 states and 5249 transitions. Second operand has 21 states, 19 states have (on average 7.315789473684211) internal successors, (139), 21 states have internal predecessors, (139), 4 states have call successors, (20), 2 states have call predecessors, (20), 3 states have return successors, (19), 2 states have call predecessors, (19), 4 states have call successors, (19) [2021-12-06 20:43:59,164 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:44:01,183 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:44:03,252 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:44:05,382 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:44:07,506 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:44:09,635 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:44:11,766 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:44:13,897 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:44:15,606 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 20:44:15,606 INFO L93 Difference]: Finished difference Result 9885 states and 14114 transitions. [2021-12-06 20:44:15,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-12-06 20:44:15,607 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 19 states have (on average 7.315789473684211) internal successors, (139), 21 states have internal predecessors, (139), 4 states have call successors, (20), 2 states have call predecessors, (20), 3 states have return successors, (19), 2 states have call predecessors, (19), 4 states have call successors, (19) Word has length 221 [2021-12-06 20:44:15,608 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 20:44:15,619 INFO L225 Difference]: With dead ends: 9885 [2021-12-06 20:44:15,619 INFO L226 Difference]: Without dead ends: 6197 [2021-12-06 20:44:15,624 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 447 GetRequests, 421 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=168, Invalid=588, Unknown=0, NotChecked=0, Total=756 [2021-12-06 20:44:15,624 INFO L933 BasicCegarLoop]: 415 mSDtfsCounter, 402 mSDsluCounter, 4366 mSDsCounter, 0 mSdLazyCounter, 490 mSolverCounterSat, 71 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 438 SdHoareTripleChecker+Valid, 4781 SdHoareTripleChecker+Invalid, 569 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 71 IncrementalHoareTripleChecker+Valid, 490 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.9s IncrementalHoareTripleChecker+Time [2021-12-06 20:44:15,624 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [438 Valid, 4781 Invalid, 569 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [71 Valid, 490 Invalid, 8 Unknown, 0 Unchecked, 17.9s Time] [2021-12-06 20:44:15,628 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6197 states. [2021-12-06 20:44:15,935 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6197 to 3927. [2021-12-06 20:44:15,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3927 states, 3046 states have (on average 1.273145108338805) internal successors, (3878), 3102 states have internal predecessors, (3878), 590 states have call successors, (590), 241 states have call predecessors, (590), 290 states have return successors, (801), 583 states have call predecessors, (801), 589 states have call successors, (801) [2021-12-06 20:44:15,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3927 states to 3927 states and 5269 transitions. [2021-12-06 20:44:15,944 INFO L78 Accepts]: Start accepts. Automaton has 3927 states and 5269 transitions. Word has length 221 [2021-12-06 20:44:15,944 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 20:44:15,944 INFO L470 AbstractCegarLoop]: Abstraction has 3927 states and 5269 transitions. [2021-12-06 20:44:15,944 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 19 states have (on average 7.315789473684211) internal successors, (139), 21 states have internal predecessors, (139), 4 states have call successors, (20), 2 states have call predecessors, (20), 3 states have return successors, (19), 2 states have call predecessors, (19), 4 states have call successors, (19) [2021-12-06 20:44:15,944 INFO L276 IsEmpty]: Start isEmpty. Operand 3927 states and 5269 transitions. [2021-12-06 20:44:15,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2021-12-06 20:44:15,947 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:44:15,947 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 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] [2021-12-06 20:44:15,978 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182cba71-a6f9-4c8f-90c7-ba23f54fafd7/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (35)] Ended with exit code 0 [2021-12-06 20:44:16,147 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 35 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182cba71-a6f9-4c8f-90c7-ba23f54fafd7/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-06 20:44:16,149 INFO L402 AbstractCegarLoop]: === Iteration 35 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 20:44:16,149 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:44:16,150 INFO L85 PathProgramCache]: Analyzing trace with hash -1936601813, now seen corresponding path program 2 times [2021-12-06 20:44:16,153 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 20:44:16,153 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1206867264] [2021-12-06 20:44:16,154 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-12-06 20:44:16,154 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 20:44:16,154 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182cba71-a6f9-4c8f-90c7-ba23f54fafd7/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 20:44:16,156 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182cba71-a6f9-4c8f-90c7-ba23f54fafd7/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 20:44:16,158 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182cba71-a6f9-4c8f-90c7-ba23f54fafd7/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (36)] Waiting until timeout for monitored process [2021-12-06 20:44:17,509 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-12-06 20:44:17,509 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-06 20:44:17,614 INFO L263 TraceCheckSpWp]: Trace formula consists of 1673 conjuncts, 4 conjunts are in the unsatisfiable core [2021-12-06 20:44:17,616 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 20:44:17,825 INFO L134 CoverageAnalysis]: Checked inductivity of 254 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 243 trivial. 0 not checked. [2021-12-06 20:44:17,825 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 20:44:17,825 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-06 20:44:17,825 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1206867264] [2021-12-06 20:44:17,825 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1206867264] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 20:44:17,825 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 20:44:17,825 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-06 20:44:17,825 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [712599081] [2021-12-06 20:44:17,826 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 20:44:17,826 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-06 20:44:17,826 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-06 20:44:17,826 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-06 20:44:17,826 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-06 20:44:17,826 INFO L87 Difference]: Start difference. First operand 3927 states and 5269 transitions. Second operand has 5 states, 5 states have (on average 24.0) internal successors, (120), 5 states have internal predecessors, (120), 3 states have call successors, (19), 2 states have call predecessors, (19), 3 states have return successors, (18), 2 states have call predecessors, (18), 3 states have call successors, (18) [2021-12-06 20:44:19,865 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:44:20,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 20:44:20,368 INFO L93 Difference]: Finished difference Result 9249 states and 12628 transitions. [2021-12-06 20:44:20,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-06 20:44:20,369 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 24.0) internal successors, (120), 5 states have internal predecessors, (120), 3 states have call successors, (19), 2 states have call predecessors, (19), 3 states have return successors, (18), 2 states have call predecessors, (18), 3 states have call successors, (18) Word has length 235 [2021-12-06 20:44:20,370 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 20:44:20,377 INFO L225 Difference]: With dead ends: 9249 [2021-12-06 20:44:20,378 INFO L226 Difference]: Without dead ends: 5531 [2021-12-06 20:44:20,382 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 235 GetRequests, 231 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-06 20:44:20,382 INFO L933 BasicCegarLoop]: 402 mSDtfsCounter, 112 mSDsluCounter, 1067 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 131 SdHoareTripleChecker+Valid, 1469 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2021-12-06 20:44:20,382 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [131 Valid, 1469 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 1 Unknown, 0 Unchecked, 2.1s Time] [2021-12-06 20:44:20,385 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5531 states. [2021-12-06 20:44:20,688 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5531 to 3937. [2021-12-06 20:44:20,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3937 states, 3056 states have (on average 1.2657068062827226) internal successors, (3868), 3112 states have internal predecessors, (3868), 590 states have call successors, (590), 241 states have call predecessors, (590), 290 states have return successors, (801), 583 states have call predecessors, (801), 589 states have call successors, (801) [2021-12-06 20:44:20,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3937 states to 3937 states and 5259 transitions. [2021-12-06 20:44:20,698 INFO L78 Accepts]: Start accepts. Automaton has 3937 states and 5259 transitions. Word has length 235 [2021-12-06 20:44:20,699 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 20:44:20,699 INFO L470 AbstractCegarLoop]: Abstraction has 3937 states and 5259 transitions. [2021-12-06 20:44:20,699 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 24.0) internal successors, (120), 5 states have internal predecessors, (120), 3 states have call successors, (19), 2 states have call predecessors, (19), 3 states have return successors, (18), 2 states have call predecessors, (18), 3 states have call successors, (18) [2021-12-06 20:44:20,699 INFO L276 IsEmpty]: Start isEmpty. Operand 3937 states and 5259 transitions. [2021-12-06 20:44:20,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2021-12-06 20:44:20,701 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:44:20,702 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 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] [2021-12-06 20:44:20,730 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182cba71-a6f9-4c8f-90c7-ba23f54fafd7/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (36)] Ended with exit code 0 [2021-12-06 20:44:20,902 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 36 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182cba71-a6f9-4c8f-90c7-ba23f54fafd7/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-06 20:44:20,903 INFO L402 AbstractCegarLoop]: === Iteration 36 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 20:44:20,903 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:44:20,904 INFO L85 PathProgramCache]: Analyzing trace with hash -1908486044, now seen corresponding path program 5 times [2021-12-06 20:44:20,907 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 20:44:20,908 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [256313066] [2021-12-06 20:44:20,908 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2021-12-06 20:44:20,908 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 20:44:20,909 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182cba71-a6f9-4c8f-90c7-ba23f54fafd7/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 20:44:20,910 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182cba71-a6f9-4c8f-90c7-ba23f54fafd7/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 20:44:20,920 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182cba71-a6f9-4c8f-90c7-ba23f54fafd7/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (37)] Waiting until timeout for monitored process [2021-12-06 20:45:59,372 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 12 check-sat command(s) [2021-12-06 20:45:59,373 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-06 20:45:59,731 INFO L263 TraceCheckSpWp]: Trace formula consists of 1947 conjuncts, 15 conjunts are in the unsatisfiable core [2021-12-06 20:45:59,734 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 20:46:00,215 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 7 proven. 36 refuted. 0 times theorem prover too weak. 212 trivial. 0 not checked. [2021-12-06 20:46:00,215 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 20:46:02,228 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 7 proven. 36 refuted. 0 times theorem prover too weak. 212 trivial. 0 not checked. [2021-12-06 20:46:02,228 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-06 20:46:02,228 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [256313066] [2021-12-06 20:46:02,228 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [256313066] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-06 20:46:02,228 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-12-06 20:46:02,229 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 23 [2021-12-06 20:46:02,229 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1903172010] [2021-12-06 20:46:02,229 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-12-06 20:46:02,229 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2021-12-06 20:46:02,229 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-06 20:46:02,229 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-12-06 20:46:02,230 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=444, Unknown=0, NotChecked=0, Total=506 [2021-12-06 20:46:02,230 INFO L87 Difference]: Start difference. First operand 3937 states and 5259 transitions. Second operand has 23 states, 21 states have (on average 6.714285714285714) internal successors, (141), 23 states have internal predecessors, (141), 4 states have call successors, (20), 2 states have call predecessors, (20), 3 states have return successors, (19), 2 states have call predecessors, (19), 4 states have call successors, (19) [2021-12-06 20:46:04,319 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:46:06,331 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:46:08,811 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:46:11,331 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:46:13,819 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:46:16,489 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:46:19,094 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:46:21,663 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:46:24,215 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:46:27,691 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 20:46:27,691 INFO L93 Difference]: Finished difference Result 9915 states and 14064 transitions. [2021-12-06 20:46:27,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-12-06 20:46:27,692 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 21 states have (on average 6.714285714285714) internal successors, (141), 23 states have internal predecessors, (141), 4 states have call successors, (20), 2 states have call predecessors, (20), 3 states have return successors, (19), 2 states have call predecessors, (19), 4 states have call successors, (19) Word has length 222 [2021-12-06 20:46:27,693 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 20:46:27,704 INFO L225 Difference]: With dead ends: 9915 [2021-12-06 20:46:27,704 INFO L226 Difference]: Without dead ends: 6207 [2021-12-06 20:46:27,709 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 450 GetRequests, 421 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 73 ImplicationChecksByTransitivity, 4.6s TimeCoverageRelationStatistics Valid=152, Invalid=778, Unknown=0, NotChecked=0, Total=930 [2021-12-06 20:46:27,710 INFO L933 BasicCegarLoop]: 415 mSDtfsCounter, 460 mSDsluCounter, 6395 mSDsCounter, 0 mSdLazyCounter, 732 mSolverCounterSat, 96 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 498 SdHoareTripleChecker+Valid, 6810 SdHoareTripleChecker+Invalid, 837 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 96 IncrementalHoareTripleChecker+Valid, 732 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21.9s IncrementalHoareTripleChecker+Time [2021-12-06 20:46:27,710 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [498 Valid, 6810 Invalid, 837 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [96 Valid, 732 Invalid, 9 Unknown, 0 Unchecked, 21.9s Time] [2021-12-06 20:46:27,713 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6207 states. [2021-12-06 20:46:28,040 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6207 to 3947. [2021-12-06 20:46:28,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3947 states, 3066 states have (on average 1.2681017612524461) internal successors, (3888), 3122 states have internal predecessors, (3888), 590 states have call successors, (590), 241 states have call predecessors, (590), 290 states have return successors, (801), 583 states have call predecessors, (801), 589 states have call successors, (801) [2021-12-06 20:46:28,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3947 states to 3947 states and 5279 transitions. [2021-12-06 20:46:28,049 INFO L78 Accepts]: Start accepts. Automaton has 3947 states and 5279 transitions. Word has length 222 [2021-12-06 20:46:28,049 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 20:46:28,049 INFO L470 AbstractCegarLoop]: Abstraction has 3947 states and 5279 transitions. [2021-12-06 20:46:28,049 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 21 states have (on average 6.714285714285714) internal successors, (141), 23 states have internal predecessors, (141), 4 states have call successors, (20), 2 states have call predecessors, (20), 3 states have return successors, (19), 2 states have call predecessors, (19), 4 states have call successors, (19) [2021-12-06 20:46:28,050 INFO L276 IsEmpty]: Start isEmpty. Operand 3947 states and 5279 transitions. [2021-12-06 20:46:28,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2021-12-06 20:46:28,052 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:46:28,052 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 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] [2021-12-06 20:46:28,121 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182cba71-a6f9-4c8f-90c7-ba23f54fafd7/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (37)] Ended with exit code 0 [2021-12-06 20:46:28,253 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 37 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182cba71-a6f9-4c8f-90c7-ba23f54fafd7/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-06 20:46:28,253 INFO L402 AbstractCegarLoop]: === Iteration 37 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 20:46:28,254 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:46:28,255 INFO L85 PathProgramCache]: Analyzing trace with hash 1521710861, now seen corresponding path program 3 times [2021-12-06 20:46:28,259 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 20:46:28,259 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1405857703] [2021-12-06 20:46:28,259 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-12-06 20:46:28,259 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 20:46:28,259 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182cba71-a6f9-4c8f-90c7-ba23f54fafd7/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 20:46:28,260 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182cba71-a6f9-4c8f-90c7-ba23f54fafd7/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 20:46:28,261 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182cba71-a6f9-4c8f-90c7-ba23f54fafd7/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (38)] Waiting until timeout for monitored process [2021-12-06 20:46:29,055 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-12-06 20:46:29,055 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-06 20:46:29,090 INFO L263 TraceCheckSpWp]: Trace formula consists of 732 conjuncts, 5 conjunts are in the unsatisfiable core [2021-12-06 20:46:29,093 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 20:46:29,311 INFO L134 CoverageAnalysis]: Checked inductivity of 257 backedges. 25 proven. 1 refuted. 0 times theorem prover too weak. 231 trivial. 0 not checked. [2021-12-06 20:46:29,311 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 20:46:29,730 INFO L134 CoverageAnalysis]: Checked inductivity of 257 backedges. 25 proven. 1 refuted. 0 times theorem prover too weak. 231 trivial. 0 not checked. [2021-12-06 20:46:29,731 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-06 20:46:29,731 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1405857703] [2021-12-06 20:46:29,731 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1405857703] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-06 20:46:29,731 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-12-06 20:46:29,731 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 9 [2021-12-06 20:46:29,731 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1020689977] [2021-12-06 20:46:29,731 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-12-06 20:46:29,731 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-06 20:46:29,732 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-06 20:46:29,732 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-06 20:46:29,732 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-12-06 20:46:29,732 INFO L87 Difference]: Start difference. First operand 3947 states and 5279 transitions. Second operand has 9 states, 9 states have (on average 15.444444444444445) internal successors, (139), 9 states have internal predecessors, (139), 4 states have call successors, (22), 2 states have call predecessors, (22), 3 states have return successors, (21), 2 states have call predecessors, (21), 4 states have call successors, (21) [2021-12-06 20:46:31,777 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:46:33,790 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:46:34,361 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 20:46:34,361 INFO L93 Difference]: Finished difference Result 9299 states and 12658 transitions. [2021-12-06 20:46:34,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-06 20:46:34,363 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 15.444444444444445) internal successors, (139), 9 states have internal predecessors, (139), 4 states have call successors, (22), 2 states have call predecessors, (22), 3 states have return successors, (21), 2 states have call predecessors, (21), 4 states have call successors, (21) Word has length 236 [2021-12-06 20:46:34,363 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 20:46:34,375 INFO L225 Difference]: With dead ends: 9299 [2021-12-06 20:46:34,376 INFO L226 Difference]: Without dead ends: 5541 [2021-12-06 20:46:34,382 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 471 GetRequests, 463 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2021-12-06 20:46:34,383 INFO L933 BasicCegarLoop]: 400 mSDtfsCounter, 117 mSDsluCounter, 1729 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 2 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 136 SdHoareTripleChecker+Valid, 2129 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2021-12-06 20:46:34,383 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [136 Valid, 2129 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 36 Invalid, 2 Unknown, 0 Unchecked, 4.2s Time] [2021-12-06 20:46:34,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5541 states. [2021-12-06 20:46:34,708 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5541 to 3947. [2021-12-06 20:46:34,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3947 states, 3066 states have (on average 1.264840182648402) internal successors, (3878), 3122 states have internal predecessors, (3878), 590 states have call successors, (590), 241 states have call predecessors, (590), 290 states have return successors, (801), 583 states have call predecessors, (801), 589 states have call successors, (801) [2021-12-06 20:46:34,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3947 states to 3947 states and 5269 transitions. [2021-12-06 20:46:34,717 INFO L78 Accepts]: Start accepts. Automaton has 3947 states and 5269 transitions. Word has length 236 [2021-12-06 20:46:34,718 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 20:46:34,718 INFO L470 AbstractCegarLoop]: Abstraction has 3947 states and 5269 transitions. [2021-12-06 20:46:34,718 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 15.444444444444445) internal successors, (139), 9 states have internal predecessors, (139), 4 states have call successors, (22), 2 states have call predecessors, (22), 3 states have return successors, (21), 2 states have call predecessors, (21), 4 states have call successors, (21) [2021-12-06 20:46:34,718 INFO L276 IsEmpty]: Start isEmpty. Operand 3947 states and 5269 transitions. [2021-12-06 20:46:34,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2021-12-06 20:46:34,720 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:46:34,721 INFO L514 BasicCegarLoop]: trace histogram [9, 8, 8, 8, 8, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 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] [2021-12-06 20:46:34,736 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182cba71-a6f9-4c8f-90c7-ba23f54fafd7/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (38)] Ended with exit code 0 [2021-12-06 20:46:34,921 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 38 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182cba71-a6f9-4c8f-90c7-ba23f54fafd7/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-06 20:46:34,922 INFO L402 AbstractCegarLoop]: === Iteration 38 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 20:46:34,923 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:46:34,923 INFO L85 PathProgramCache]: Analyzing trace with hash -2010197746, now seen corresponding path program 6 times [2021-12-06 20:46:34,927 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 20:46:34,927 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [361923604] [2021-12-06 20:46:34,927 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2021-12-06 20:46:34,928 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 20:46:34,928 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182cba71-a6f9-4c8f-90c7-ba23f54fafd7/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 20:46:34,930 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182cba71-a6f9-4c8f-90c7-ba23f54fafd7/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 20:46:34,933 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182cba71-a6f9-4c8f-90c7-ba23f54fafd7/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (39)] Waiting until timeout for monitored process [2021-12-06 20:47:45,639 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 11 check-sat command(s) [2021-12-06 20:47:45,639 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-06 20:47:45,957 INFO L263 TraceCheckSpWp]: Trace formula consists of 2068 conjuncts, 16 conjunts are in the unsatisfiable core [2021-12-06 20:47:45,960 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 20:47:46,460 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 7 proven. 45 refuted. 0 times theorem prover too weak. 212 trivial. 0 not checked. [2021-12-06 20:47:46,460 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 20:47:48,917 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 7 proven. 45 refuted. 0 times theorem prover too weak. 212 trivial. 0 not checked. [2021-12-06 20:47:48,918 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-06 20:47:48,918 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [361923604] [2021-12-06 20:47:48,918 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [361923604] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-06 20:47:48,918 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-12-06 20:47:48,918 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14] total 25 [2021-12-06 20:47:48,918 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [386958982] [2021-12-06 20:47:48,918 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-12-06 20:47:48,919 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2021-12-06 20:47:48,919 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-06 20:47:48,919 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-12-06 20:47:48,919 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=532, Unknown=0, NotChecked=0, Total=600 [2021-12-06 20:47:48,919 INFO L87 Difference]: Start difference. First operand 3947 states and 5269 transitions. Second operand has 25 states, 23 states have (on average 6.217391304347826) internal successors, (143), 25 states have internal predecessors, (143), 4 states have call successors, (20), 2 states have call predecessors, (20), 3 states have return successors, (19), 2 states have call predecessors, (19), 4 states have call successors, (19) [2021-12-06 20:47:51,008 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:47:53,018 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:47:55,033 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:47:57,455 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:48:00,144 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:48:02,852 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:48:05,619 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:48:08,280 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:48:11,111 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:48:13,824 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:48:17,776 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 20:48:17,776 INFO L93 Difference]: Finished difference Result 9935 states and 14124 transitions. [2021-12-06 20:48:17,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-12-06 20:48:17,778 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 23 states have (on average 6.217391304347826) internal successors, (143), 25 states have internal predecessors, (143), 4 states have call successors, (20), 2 states have call predecessors, (20), 3 states have return successors, (19), 2 states have call predecessors, (19), 4 states have call successors, (19) Word has length 223 [2021-12-06 20:48:17,778 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 20:48:17,789 INFO L225 Difference]: With dead ends: 9935 [2021-12-06 20:48:17,789 INFO L226 Difference]: Without dead ends: 6217 [2021-12-06 20:48:17,794 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 452 GetRequests, 421 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 83 ImplicationChecksByTransitivity, 5.7s TimeCoverageRelationStatistics Valid=166, Invalid=890, Unknown=0, NotChecked=0, Total=1056 [2021-12-06 20:48:17,795 INFO L933 BasicCegarLoop]: 415 mSDtfsCounter, 492 mSDsluCounter, 6814 mSDsCounter, 0 mSdLazyCounter, 871 mSolverCounterSat, 105 mSolverCounterUnsat, 10 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 531 SdHoareTripleChecker+Valid, 7229 SdHoareTripleChecker+Invalid, 986 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 105 IncrementalHoareTripleChecker+Valid, 871 IncrementalHoareTripleChecker+Invalid, 10 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 24.6s IncrementalHoareTripleChecker+Time [2021-12-06 20:48:17,795 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [531 Valid, 7229 Invalid, 986 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [105 Valid, 871 Invalid, 10 Unknown, 0 Unchecked, 24.6s Time] [2021-12-06 20:48:17,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6217 states. [2021-12-06 20:48:18,137 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6217 to 3957. [2021-12-06 20:48:18,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3957 states, 3076 states have (on average 1.2672301690507153) internal successors, (3898), 3132 states have internal predecessors, (3898), 590 states have call successors, (590), 241 states have call predecessors, (590), 290 states have return successors, (801), 583 states have call predecessors, (801), 589 states have call successors, (801) [2021-12-06 20:48:18,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3957 states to 3957 states and 5289 transitions. [2021-12-06 20:48:18,146 INFO L78 Accepts]: Start accepts. Automaton has 3957 states and 5289 transitions. Word has length 223 [2021-12-06 20:48:18,146 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 20:48:18,146 INFO L470 AbstractCegarLoop]: Abstraction has 3957 states and 5289 transitions. [2021-12-06 20:48:18,146 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 23 states have (on average 6.217391304347826) internal successors, (143), 25 states have internal predecessors, (143), 4 states have call successors, (20), 2 states have call predecessors, (20), 3 states have return successors, (19), 2 states have call predecessors, (19), 4 states have call successors, (19) [2021-12-06 20:48:18,146 INFO L276 IsEmpty]: Start isEmpty. Operand 3957 states and 5289 transitions. [2021-12-06 20:48:18,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2021-12-06 20:48:18,149 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:48:18,149 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 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] [2021-12-06 20:48:18,216 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182cba71-a6f9-4c8f-90c7-ba23f54fafd7/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (39)] Ended with exit code 0 [2021-12-06 20:48:18,350 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 39 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182cba71-a6f9-4c8f-90c7-ba23f54fafd7/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-06 20:48:18,351 INFO L402 AbstractCegarLoop]: === Iteration 39 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 20:48:18,351 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:48:18,352 INFO L85 PathProgramCache]: Analyzing trace with hash -619778067, now seen corresponding path program 4 times [2021-12-06 20:48:18,355 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 20:48:18,355 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [398280674] [2021-12-06 20:48:18,356 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-12-06 20:48:18,356 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 20:48:18,356 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182cba71-a6f9-4c8f-90c7-ba23f54fafd7/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 20:48:18,358 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182cba71-a6f9-4c8f-90c7-ba23f54fafd7/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 20:48:18,361 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182cba71-a6f9-4c8f-90c7-ba23f54fafd7/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (40)] Waiting until timeout for monitored process [2021-12-06 20:48:20,149 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-12-06 20:48:20,149 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-06 20:48:20,262 INFO L263 TraceCheckSpWp]: Trace formula consists of 1821 conjuncts, 6 conjunts are in the unsatisfiable core [2021-12-06 20:48:20,264 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 20:48:20,506 INFO L134 CoverageAnalysis]: Checked inductivity of 265 backedges. 31 proven. 3 refuted. 0 times theorem prover too weak. 231 trivial. 0 not checked. [2021-12-06 20:48:20,507 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 20:48:21,041 INFO L134 CoverageAnalysis]: Checked inductivity of 265 backedges. 31 proven. 3 refuted. 0 times theorem prover too weak. 231 trivial. 0 not checked. [2021-12-06 20:48:21,041 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-06 20:48:21,041 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [398280674] [2021-12-06 20:48:21,041 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [398280674] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-06 20:48:21,041 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-12-06 20:48:21,041 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 11 [2021-12-06 20:48:21,041 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1599844489] [2021-12-06 20:48:21,042 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-12-06 20:48:21,042 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-12-06 20:48:21,042 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-06 20:48:21,042 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-12-06 20:48:21,042 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2021-12-06 20:48:21,042 INFO L87 Difference]: Start difference. First operand 3957 states and 5289 transitions. Second operand has 11 states, 11 states have (on average 12.818181818181818) internal successors, (141), 11 states have internal predecessors, (141), 4 states have call successors, (22), 2 states have call predecessors, (22), 3 states have return successors, (21), 2 states have call predecessors, (21), 4 states have call successors, (21) [2021-12-06 20:48:23,095 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:48:25,104 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:48:27,119 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:48:27,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 20:48:27,769 INFO L93 Difference]: Finished difference Result 9319 states and 12678 transitions. [2021-12-06 20:48:27,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-06 20:48:27,771 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 12.818181818181818) internal successors, (141), 11 states have internal predecessors, (141), 4 states have call successors, (22), 2 states have call predecessors, (22), 3 states have return successors, (21), 2 states have call predecessors, (21), 4 states have call successors, (21) Word has length 237 [2021-12-06 20:48:27,771 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 20:48:27,779 INFO L225 Difference]: With dead ends: 9319 [2021-12-06 20:48:27,779 INFO L226 Difference]: Without dead ends: 5551 [2021-12-06 20:48:27,783 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 473 GetRequests, 463 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2021-12-06 20:48:27,783 INFO L933 BasicCegarLoop]: 400 mSDtfsCounter, 124 mSDsluCounter, 2517 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 4 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 143 SdHoareTripleChecker+Valid, 2917 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.2s IncrementalHoareTripleChecker+Time [2021-12-06 20:48:27,783 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [143 Valid, 2917 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 55 Invalid, 3 Unknown, 0 Unchecked, 6.2s Time] [2021-12-06 20:48:27,785 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5551 states. [2021-12-06 20:48:28,109 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5551 to 3957. [2021-12-06 20:48:28,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3957 states, 3076 states have (on average 1.2639791937581275) internal successors, (3888), 3132 states have internal predecessors, (3888), 590 states have call successors, (590), 241 states have call predecessors, (590), 290 states have return successors, (801), 583 states have call predecessors, (801), 589 states have call successors, (801) [2021-12-06 20:48:28,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3957 states to 3957 states and 5279 transitions. [2021-12-06 20:48:28,118 INFO L78 Accepts]: Start accepts. Automaton has 3957 states and 5279 transitions. Word has length 237 [2021-12-06 20:48:28,118 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 20:48:28,118 INFO L470 AbstractCegarLoop]: Abstraction has 3957 states and 5279 transitions. [2021-12-06 20:48:28,118 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 12.818181818181818) internal successors, (141), 11 states have internal predecessors, (141), 4 states have call successors, (22), 2 states have call predecessors, (22), 3 states have return successors, (21), 2 states have call predecessors, (21), 4 states have call successors, (21) [2021-12-06 20:48:28,118 INFO L276 IsEmpty]: Start isEmpty. Operand 3957 states and 5279 transitions. [2021-12-06 20:48:28,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2021-12-06 20:48:28,121 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:48:28,121 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 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] [2021-12-06 20:48:28,151 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182cba71-a6f9-4c8f-90c7-ba23f54fafd7/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (40)] Ended with exit code 0 [2021-12-06 20:48:28,322 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 40 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182cba71-a6f9-4c8f-90c7-ba23f54fafd7/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-06 20:48:28,323 INFO L402 AbstractCegarLoop]: === Iteration 40 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 20:48:28,323 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:48:28,324 INFO L85 PathProgramCache]: Analyzing trace with hash 1713541901, now seen corresponding path program 5 times [2021-12-06 20:48:28,327 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 20:48:28,328 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [850799841] [2021-12-06 20:48:28,328 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2021-12-06 20:48:28,328 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 20:48:28,329 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182cba71-a6f9-4c8f-90c7-ba23f54fafd7/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 20:48:28,330 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182cba71-a6f9-4c8f-90c7-ba23f54fafd7/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 20:48:28,333 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182cba71-a6f9-4c8f-90c7-ba23f54fafd7/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (41)] Waiting until timeout for monitored process [2021-12-06 20:49:10,772 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 12 check-sat command(s) [2021-12-06 20:49:10,772 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-06 20:49:11,051 INFO L263 TraceCheckSpWp]: Trace formula consists of 1956 conjuncts, 9 conjunts are in the unsatisfiable core [2021-12-06 20:49:11,053 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 20:49:11,375 INFO L134 CoverageAnalysis]: Checked inductivity of 274 backedges. 37 proven. 6 refuted. 0 times theorem prover too weak. 231 trivial. 0 not checked. [2021-12-06 20:49:11,375 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 20:49:12,567 INFO L134 CoverageAnalysis]: Checked inductivity of 274 backedges. 37 proven. 6 refuted. 0 times theorem prover too weak. 231 trivial. 0 not checked. [2021-12-06 20:49:12,567 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-06 20:49:12,567 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [850799841] [2021-12-06 20:49:12,567 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [850799841] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-06 20:49:12,567 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-12-06 20:49:12,567 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 13 [2021-12-06 20:49:12,568 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1042489465] [2021-12-06 20:49:12,568 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-12-06 20:49:12,568 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-12-06 20:49:12,568 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-06 20:49:12,568 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-12-06 20:49:12,568 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2021-12-06 20:49:12,568 INFO L87 Difference]: Start difference. First operand 3957 states and 5279 transitions. Second operand has 13 states, 13 states have (on average 11.0) internal successors, (143), 13 states have internal predecessors, (143), 4 states have call successors, (22), 2 states have call predecessors, (22), 3 states have return successors, (21), 2 states have call predecessors, (21), 4 states have call successors, (21) [2021-12-06 20:49:14,628 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:49:16,645 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:49:18,656 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:49:20,667 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:49:22,010 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 20:49:22,010 INFO L93 Difference]: Finished difference Result 9319 states and 12658 transitions. [2021-12-06 20:49:22,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-06 20:49:22,010 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 11.0) internal successors, (143), 13 states have internal predecessors, (143), 4 states have call successors, (22), 2 states have call predecessors, (22), 3 states have return successors, (21), 2 states have call predecessors, (21), 4 states have call successors, (21) Word has length 238 [2021-12-06 20:49:22,011 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 20:49:22,019 INFO L225 Difference]: With dead ends: 9319 [2021-12-06 20:49:22,019 INFO L226 Difference]: Without dead ends: 5551 [2021-12-06 20:49:22,023 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 476 GetRequests, 463 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=46, Invalid=164, Unknown=0, NotChecked=0, Total=210 [2021-12-06 20:49:22,024 INFO L933 BasicCegarLoop]: 396 mSDtfsCounter, 243 mSDsluCounter, 2615 mSDsCounter, 0 mSdLazyCounter, 84 mSolverCounterSat, 24 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 262 SdHoareTripleChecker+Valid, 3011 SdHoareTripleChecker+Invalid, 112 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 84 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.6s IncrementalHoareTripleChecker+Time [2021-12-06 20:49:22,024 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [262 Valid, 3011 Invalid, 112 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 84 Invalid, 4 Unknown, 0 Unchecked, 8.6s Time] [2021-12-06 20:49:22,027 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5551 states. [2021-12-06 20:49:22,362 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5551 to 3957. [2021-12-06 20:49:22,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3957 states, 3076 states have (on average 1.2607282184655397) internal successors, (3878), 3132 states have internal predecessors, (3878), 590 states have call successors, (590), 241 states have call predecessors, (590), 290 states have return successors, (801), 583 states have call predecessors, (801), 589 states have call successors, (801) [2021-12-06 20:49:22,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3957 states to 3957 states and 5269 transitions. [2021-12-06 20:49:22,371 INFO L78 Accepts]: Start accepts. Automaton has 3957 states and 5269 transitions. Word has length 238 [2021-12-06 20:49:22,371 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 20:49:22,371 INFO L470 AbstractCegarLoop]: Abstraction has 3957 states and 5269 transitions. [2021-12-06 20:49:22,371 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 11.0) internal successors, (143), 13 states have internal predecessors, (143), 4 states have call successors, (22), 2 states have call predecessors, (22), 3 states have return successors, (21), 2 states have call predecessors, (21), 4 states have call successors, (21) [2021-12-06 20:49:22,371 INFO L276 IsEmpty]: Start isEmpty. Operand 3957 states and 5269 transitions. [2021-12-06 20:49:22,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2021-12-06 20:49:22,374 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:49:22,374 INFO L514 BasicCegarLoop]: trace histogram [10, 8, 8, 8, 8, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 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] [2021-12-06 20:49:22,435 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182cba71-a6f9-4c8f-90c7-ba23f54fafd7/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (41)] Ended with exit code 0 [2021-12-06 20:49:22,574 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 41 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182cba71-a6f9-4c8f-90c7-ba23f54fafd7/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-06 20:49:22,575 INFO L402 AbstractCegarLoop]: === Iteration 41 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 20:49:22,576 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:49:22,577 INFO L85 PathProgramCache]: Analyzing trace with hash -868293212, now seen corresponding path program 7 times [2021-12-06 20:49:22,580 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 20:49:22,580 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1919700114] [2021-12-06 20:49:22,581 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2021-12-06 20:49:22,581 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 20:49:22,582 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182cba71-a6f9-4c8f-90c7-ba23f54fafd7/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 20:49:22,584 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182cba71-a6f9-4c8f-90c7-ba23f54fafd7/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 20:49:22,586 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182cba71-a6f9-4c8f-90c7-ba23f54fafd7/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (42)] Waiting until timeout for monitored process [2021-12-06 20:49:51,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:49:51,709 INFO L263 TraceCheckSpWp]: Trace formula consists of 2217 conjuncts, 247 conjunts are in the unsatisfiable core [2021-12-06 20:49:51,724 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 20:49:53,798 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-12-06 20:49:53,816 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-12-06 20:49:57,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:49:57,335 INFO L354 Elim1Store]: treesize reduction 158, result has 34.4 percent of original size [2021-12-06 20:49:57,335 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 55 treesize of output 110 [2021-12-06 20:49:57,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:49:57,650 INFO L354 Elim1Store]: treesize reduction 144, result has 40.2 percent of original size [2021-12-06 20:49:57,650 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 126 [2021-12-06 20:49:59,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:49:59,825 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-12-06 20:49:59,825 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 41 treesize of output 11 [2021-12-06 20:49:59,831 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 3 [2021-12-06 20:50:46,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:50:46,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:50:46,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:50:46,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:50:46,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:50:46,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:50:46,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:50:46,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:50:46,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:50:46,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:50:46,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:50:46,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:50:46,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:50:46,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:50:46,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:50:46,975 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-12-06 20:50:46,976 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 15 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 81 treesize of output 80 [2021-12-06 20:50:47,126 INFO L354 Elim1Store]: treesize reduction 434, result has 8.4 percent of original size [2021-12-06 20:50:47,126 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 4 case distinctions, treesize of input 80 treesize of output 73 [2021-12-06 20:50:47,355 INFO L354 Elim1Store]: treesize reduction 44, result has 21.4 percent of original size [2021-12-06 20:50:47,356 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 65 treesize of output 46 [2021-12-06 20:50:47,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:50:47,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:50:47,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:50:47,369 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-12-06 20:50:47,369 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 66 treesize of output 53 [2021-12-06 20:50:47,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:50:47,550 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-12-06 20:50:47,550 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 41 treesize of output 11 [2021-12-06 20:50:47,555 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 3 [2021-12-06 20:51:38,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:51:38,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:51:38,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:51:38,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:51:38,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:51:38,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:51:38,347 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-12-06 20:51:38,347 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 71 treesize of output 62 [2021-12-06 20:51:38,416 INFO L354 Elim1Store]: treesize reduction 125, result has 15.0 percent of original size [2021-12-06 20:51:38,416 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 61 treesize of output 46 [2021-12-06 20:51:55,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:51:55,974 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-12-06 20:51:55,974 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 41 treesize of output 11 [2021-12-06 20:51:55,980 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 3 [2021-12-06 20:52:47,859 INFO L354 Elim1Store]: treesize reduction 68, result has 17.1 percent of original size [2021-12-06 20:52:47,859 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 73 [2021-12-06 20:52:47,894 INFO L354 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2021-12-06 20:52:47,895 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 58 treesize of output 56 [2021-12-06 20:52:52,372 INFO L354 Elim1Store]: treesize reduction 36, result has 23.4 percent of original size [2021-12-06 20:52:52,373 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 95 treesize of output 80 [2021-12-06 20:52:52,402 INFO L354 Elim1Store]: treesize reduction 45, result has 10.0 percent of original size [2021-12-06 20:52:52,402 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 73 treesize of output 71 [2021-12-06 20:52:52,583 INFO L354 Elim1Store]: treesize reduction 105, result has 16.0 percent of original size [2021-12-06 20:52:52,583 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 124 treesize of output 79 [2021-12-06 20:52:52,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:52:52,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:52:52,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:52:52,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:52:52,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:52:52,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:52:52,603 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-12-06 20:52:52,604 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 62 treesize of output 53 [2021-12-06 20:52:56,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:52:56,914 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-12-06 20:52:56,914 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 41 treesize of output 11 [2021-12-06 20:52:56,920 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 3 [2021-12-06 20:53:19,466 INFO L134 CoverageAnalysis]: Checked inductivity of 274 backedges. 41 proven. 40 refuted. 0 times theorem prover too weak. 193 trivial. 0 not checked. [2021-12-06 20:53:19,466 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 20:53:29,788 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_19755 (Array (_ BitVec 64) (_ BitVec 64))) (v_ArrVal_19754 (Array (_ BitVec 64) (_ BitVec 64))) (v_ArrVal_19760 (_ BitVec 64)) (v_ArrVal_19759 (_ BitVec 64)) (v_ArrVal_19757 (_ BitVec 64)) (v_ArrVal_19756 (_ BitVec 64))) (= (bvadd |c_ULTIMATE.start_ack_tx_~ackskb~0#1.offset| |c_ULTIMATE.start_ack_tx_~ackskb~0#1.base|) (let ((.cse1 (bvadd (_ bv134 64) |c_ULTIMATE.start_ack_tx_~ackskb~0#1.offset|)) (.cse2 (bvadd |c_ULTIMATE.start_ack_tx_~ackskb~0#1.offset| (_ bv135 64))) (.cse3 (bvadd (bvmul ((_ sign_extend 32) (_ bv0 32)) (_ bv8 64)) |c_~#set_impl~0.offset|))) (bvadd (select (select (let ((.cse0 (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_ack_tx_~ackpkt~0#1.base| v_ArrVal_19755))) (store .cse0 |c_ULTIMATE.start_ack_tx_~ackskb~0#1.base| (store (store (select .cse0 |c_ULTIMATE.start_ack_tx_~ackskb~0#1.base|) .cse1 v_ArrVal_19760) .cse2 v_ArrVal_19759))) |c_~#set_impl~0.base|) .cse3) (select (select (let ((.cse4 (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_ack_tx_~ackpkt~0#1.base| v_ArrVal_19754))) (store .cse4 |c_ULTIMATE.start_ack_tx_~ackskb~0#1.base| (store (store (select .cse4 |c_ULTIMATE.start_ack_tx_~ackskb~0#1.base|) .cse1 v_ArrVal_19756) .cse2 v_ArrVal_19757))) |c_~#set_impl~0.base|) .cse3))))) is different from false [2021-12-06 20:53:31,223 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_19755 (Array (_ BitVec 64) (_ BitVec 64))) (v_ArrVal_19754 (Array (_ BitVec 64) (_ BitVec 64))) (v_ArrVal_19889 (Array (_ BitVec 64) (_ BitVec 64))) (v_ArrVal_19888 (Array (_ BitVec 64) (_ BitVec 64))) (v_ArrVal_19760 (_ BitVec 64)) (v_ArrVal_19759 (_ BitVec 64)) (v_ArrVal_19757 (_ BitVec 64)) (v_ArrVal_19756 (_ BitVec 64))) (= (bvadd |c_ULTIMATE.start_ack_tx_~ackskb~0#1.offset| |c_ULTIMATE.start_ack_tx_~ackskb~0#1.base|) (let ((.cse1 (bvadd (_ bv134 64) |c_ULTIMATE.start_ack_tx_~ackskb~0#1.offset|)) (.cse2 (bvadd |c_ULTIMATE.start_ack_tx_~ackskb~0#1.offset| (_ bv135 64))) (.cse3 (bvadd (bvmul ((_ sign_extend 32) (_ bv0 32)) (_ bv8 64)) |c_~#set_impl~0.offset|))) (bvadd (select (select (let ((.cse0 (store (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_skb_copy_from_linear_data_~to#1.base| v_ArrVal_19889) |c_ULTIMATE.start_ack_tx_~ackpkt~0#1.base| v_ArrVal_19754))) (store .cse0 |c_ULTIMATE.start_ack_tx_~ackskb~0#1.base| (store (store (select .cse0 |c_ULTIMATE.start_ack_tx_~ackskb~0#1.base|) .cse1 v_ArrVal_19756) .cse2 v_ArrVal_19757))) |c_~#set_impl~0.base|) .cse3) (select (select (let ((.cse4 (store (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_skb_copy_from_linear_data_~to#1.base| v_ArrVal_19888) |c_ULTIMATE.start_ack_tx_~ackpkt~0#1.base| v_ArrVal_19755))) (store .cse4 |c_ULTIMATE.start_ack_tx_~ackskb~0#1.base| (store (store (select .cse4 |c_ULTIMATE.start_ack_tx_~ackskb~0#1.base|) .cse1 v_ArrVal_19760) .cse2 v_ArrVal_19759))) |c_~#set_impl~0.base|) .cse3))))) is different from false [2021-12-06 20:53:31,263 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-06 20:53:31,263 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1919700114] [2021-12-06 20:53:31,264 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1919700114] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 20:53:31,264 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [104732352] [2021-12-06 20:53:31,264 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2021-12-06 20:53:31,264 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-12-06 20:53:31,264 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182cba71-a6f9-4c8f-90c7-ba23f54fafd7/bin/uautomizer-DrprNOufMa/cvc4 [2021-12-06 20:53:31,265 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182cba71-a6f9-4c8f-90c7-ba23f54fafd7/bin/uautomizer-DrprNOufMa/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-12-06 20:53:31,265 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182cba71-a6f9-4c8f-90c7-ba23f54fafd7/bin/uautomizer-DrprNOufMa/cvc4 --incremental --print-success --lang smt (43)] Waiting until timeout for monitored process [2021-12-06 20:54:12,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:54:13,008 INFO L263 TraceCheckSpWp]: Trace formula consists of 2217 conjuncts, 263 conjunts are in the unsatisfiable core [2021-12-06 20:54:13,026 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 20:54:13,307 INFO L354 Elim1Store]: treesize reduction 15, result has 46.4 percent of original size [2021-12-06 20:54:13,307 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 21 treesize of output 28 [2021-12-06 20:54:14,337 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 10 [2021-12-06 20:54:14,561 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 10 [2021-12-06 20:54:14,677 INFO L354 Elim1Store]: treesize reduction 15, result has 46.4 percent of original size [2021-12-06 20:54:14,678 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 24 treesize of output 31 [2021-12-06 20:54:18,324 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-12-06 20:54:21,113 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-12-06 20:54:21,577 INFO L354 Elim1Store]: treesize reduction 12, result has 40.0 percent of original size [2021-12-06 20:54:21,577 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 20 [2021-12-06 20:54:22,300 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-12-06 20:54:22,714 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-12-06 20:54:23,198 INFO L354 Elim1Store]: treesize reduction 12, result has 40.0 percent of original size [2021-12-06 20:54:23,199 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 20 [2021-12-06 20:54:26,145 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-12-06 20:54:26,171 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12