./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--serial--digi_acceleport.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_0687c60f-dd5c-4443-9d57-78d3c929a1c6/bin/uautomizer-DrprNOufMa/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0687c60f-dd5c-4443-9d57-78d3c929a1c6/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_0687c60f-dd5c-4443-9d57-78d3c929a1c6/bin/uautomizer-DrprNOufMa/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0687c60f-dd5c-4443-9d57-78d3c929a1c6/bin/uautomizer-DrprNOufMa/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--serial--digi_acceleport.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0687c60f-dd5c-4443-9d57-78d3c929a1c6/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_0687c60f-dd5c-4443-9d57-78d3c929a1c6/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 9e49a1360829f26f8d048b65d36d4ec5c4a8326faf8d0f409c04195556886603 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-12-06 22:56:06,285 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-06 22:56:06,287 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-06 22:56:06,320 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-06 22:56:06,320 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-06 22:56:06,322 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-06 22:56:06,323 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-06 22:56:06,326 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-06 22:56:06,328 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-06 22:56:06,329 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-06 22:56:06,331 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-06 22:56:06,332 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-06 22:56:06,333 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-06 22:56:06,334 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-06 22:56:06,336 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-06 22:56:06,337 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-06 22:56:06,339 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-06 22:56:06,340 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-06 22:56:06,342 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-06 22:56:06,345 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-06 22:56:06,347 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-06 22:56:06,349 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-06 22:56:06,350 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-06 22:56:06,351 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-06 22:56:06,355 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-06 22:56:06,356 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-06 22:56:06,356 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-06 22:56:06,358 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-06 22:56:06,358 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-06 22:56:06,359 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-06 22:56:06,360 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-06 22:56:06,361 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-06 22:56:06,361 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-06 22:56:06,362 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-06 22:56:06,363 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-06 22:56:06,363 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-06 22:56:06,363 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-06 22:56:06,363 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-06 22:56:06,363 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-06 22:56:06,364 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-06 22:56:06,364 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-06 22:56:06,365 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0687c60f-dd5c-4443-9d57-78d3c929a1c6/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-06 22:56:06,382 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-06 22:56:06,382 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-06 22:56:06,383 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-06 22:56:06,383 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-06 22:56:06,384 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-06 22:56:06,384 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-06 22:56:06,384 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-06 22:56:06,384 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-06 22:56:06,384 INFO L138 SettingsManager]: * Use SBE=true [2021-12-06 22:56:06,385 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-06 22:56:06,385 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-06 22:56:06,385 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-06 22:56:06,385 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-06 22:56:06,385 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-06 22:56:06,385 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-06 22:56:06,385 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-06 22:56:06,386 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-06 22:56:06,386 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-06 22:56:06,386 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-06 22:56:06,386 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-06 22:56:06,386 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-06 22:56:06,386 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 22:56:06,387 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-06 22:56:06,387 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-06 22:56:06,387 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-06 22:56:06,387 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-06 22:56:06,387 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-06 22:56:06,387 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-06 22:56:06,387 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-06 22:56:06,387 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-06 22:56:06,387 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-06 22:56:06,387 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_0687c60f-dd5c-4443-9d57-78d3c929a1c6/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0687c60f-dd5c-4443-9d57-78d3c929a1c6/bin/uautomizer-DrprNOufMa Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9e49a1360829f26f8d048b65d36d4ec5c4a8326faf8d0f409c04195556886603 [2021-12-06 22:56:06,572 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-06 22:56:06,587 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-06 22:56:06,588 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-06 22:56:06,589 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-06 22:56:06,590 INFO L275 PluginConnector]: CDTParser initialized [2021-12-06 22:56:06,591 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0687c60f-dd5c-4443-9d57-78d3c929a1c6/bin/uautomizer-DrprNOufMa/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--serial--digi_acceleport.ko-entry_point.cil.out.i [2021-12-06 22:56:06,640 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0687c60f-dd5c-4443-9d57-78d3c929a1c6/bin/uautomizer-DrprNOufMa/data/e1334e591/5c5bcbbf3adb4f8b8237b3285447ca94/FLAG5a1896484 [2021-12-06 22:56:07,188 INFO L306 CDTParser]: Found 1 translation units. [2021-12-06 22:56:07,189 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0687c60f-dd5c-4443-9d57-78d3c929a1c6/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--serial--digi_acceleport.ko-entry_point.cil.out.i [2021-12-06 22:56:07,213 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0687c60f-dd5c-4443-9d57-78d3c929a1c6/bin/uautomizer-DrprNOufMa/data/e1334e591/5c5bcbbf3adb4f8b8237b3285447ca94/FLAG5a1896484 [2021-12-06 22:56:07,669 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0687c60f-dd5c-4443-9d57-78d3c929a1c6/bin/uautomizer-DrprNOufMa/data/e1334e591/5c5bcbbf3adb4f8b8237b3285447ca94 [2021-12-06 22:56:07,672 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-06 22:56:07,673 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-06 22:56:07,675 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-06 22:56:07,675 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-06 22:56:07,678 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-06 22:56:07,678 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 10:56:07" (1/1) ... [2021-12-06 22:56:07,679 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@23cab39f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:56:07, skipping insertion in model container [2021-12-06 22:56:07,679 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 10:56:07" (1/1) ... [2021-12-06 22:56:07,685 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-06 22:56:07,754 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-06 22:56:08,746 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_0687c60f-dd5c-4443-9d57-78d3c929a1c6/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--serial--digi_acceleport.ko-entry_point.cil.out.i[215646,215659] [2021-12-06 22:56:08,781 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 22:56:08,800 INFO L203 MainTranslator]: Completed pre-run [2021-12-06 22:56:09,023 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_0687c60f-dd5c-4443-9d57-78d3c929a1c6/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--serial--digi_acceleport.ko-entry_point.cil.out.i[215646,215659] [2021-12-06 22:56:09,028 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 22:56:09,069 INFO L208 MainTranslator]: Completed translation [2021-12-06 22:56:09,070 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:56:09 WrapperNode [2021-12-06 22:56:09,070 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-06 22:56:09,071 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-06 22:56:09,071 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-06 22:56:09,071 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-06 22:56:09,077 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:56:09" (1/1) ... [2021-12-06 22:56:09,134 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:56:09" (1/1) ... [2021-12-06 22:56:09,251 INFO L137 Inliner]: procedures = 180, calls = 1491, calls flagged for inlining = 71, calls inlined = 66, statements flattened = 3754 [2021-12-06 22:56:09,252 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-06 22:56:09,252 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-06 22:56:09,252 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-06 22:56:09,252 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-06 22:56:09,259 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:56:09" (1/1) ... [2021-12-06 22:56:09,259 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:56:09" (1/1) ... [2021-12-06 22:56:09,273 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:56:09" (1/1) ... [2021-12-06 22:56:09,273 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:56:09" (1/1) ... [2021-12-06 22:56:09,328 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:56:09" (1/1) ... [2021-12-06 22:56:09,345 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:56:09" (1/1) ... [2021-12-06 22:56:09,355 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:56:09" (1/1) ... [2021-12-06 22:56:09,385 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-06 22:56:09,386 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-06 22:56:09,386 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-06 22:56:09,386 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-06 22:56:09,387 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:56:09" (1/1) ... [2021-12-06 22:56:09,393 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 22:56:09,402 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0687c60f-dd5c-4443-9d57-78d3c929a1c6/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:56:09,413 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0687c60f-dd5c-4443-9d57-78d3c929a1c6/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-06 22:56:09,415 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0687c60f-dd5c-4443-9d57-78d3c929a1c6/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-06 22:56:09,449 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-12-06 22:56:09,449 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-12-06 22:56:09,449 INFO L130 BoogieDeclarations]: Found specification of procedure digi_disconnect [2021-12-06 22:56:09,449 INFO L138 BoogieDeclarations]: Found implementation of procedure digi_disconnect [2021-12-06 22:56:09,450 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-06 22:56:09,450 INFO L130 BoogieDeclarations]: Found specification of procedure digi_break_ctl [2021-12-06 22:56:09,450 INFO L138 BoogieDeclarations]: Found implementation of procedure digi_break_ctl [2021-12-06 22:56:09,450 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-06 22:56:09,450 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-06 22:56:09,450 INFO L130 BoogieDeclarations]: Found specification of procedure cond_wait_interruptible_timeout_irqrestore [2021-12-06 22:56:09,450 INFO L138 BoogieDeclarations]: Found implementation of procedure cond_wait_interruptible_timeout_irqrestore [2021-12-06 22:56:09,450 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-06 22:56:09,450 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-06 22:56:09,450 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-06 22:56:09,451 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-06 22:56:09,451 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-06 22:56:09,451 INFO L130 BoogieDeclarations]: Found specification of procedure digi_rx_throttle [2021-12-06 22:56:09,451 INFO L138 BoogieDeclarations]: Found implementation of procedure digi_rx_throttle [2021-12-06 22:56:09,451 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_tty_wakeup [2021-12-06 22:56:09,451 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_port_tty_wakeup [2021-12-06 22:56:09,451 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-06 22:56:09,451 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-06 22:56:09,451 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2021-12-06 22:56:09,452 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2021-12-06 22:56:09,452 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2021-12-06 22:56:09,452 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2021-12-06 22:56:09,452 INFO L130 BoogieDeclarations]: Found specification of procedure digi_startup [2021-12-06 22:56:09,452 INFO L138 BoogieDeclarations]: Found implementation of procedure digi_startup [2021-12-06 22:56:09,452 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-06 22:56:09,452 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-06 22:56:09,452 INFO L130 BoogieDeclarations]: Found specification of procedure char_buf_ptr [2021-12-06 22:56:09,452 INFO L138 BoogieDeclarations]: Found implementation of procedure char_buf_ptr [2021-12-06 22:56:09,452 INFO L130 BoogieDeclarations]: Found specification of procedure digi_open [2021-12-06 22:56:09,453 INFO L138 BoogieDeclarations]: Found implementation of procedure digi_open [2021-12-06 22:56:09,453 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2021-12-06 22:56:09,453 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2021-12-06 22:56:09,453 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-12-06 22:56:09,453 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-12-06 22:56:09,453 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_1 [2021-12-06 22:56:09,453 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_1 [2021-12-06 22:56:09,453 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-06 22:56:09,453 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-06 22:56:09,454 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_serial_port_data [2021-12-06 22:56:09,454 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_serial_port_data [2021-12-06 22:56:09,454 INFO L130 BoogieDeclarations]: Found specification of procedure digi_read_bulk_callback [2021-12-06 22:56:09,454 INFO L138 BoogieDeclarations]: Found implementation of procedure digi_read_bulk_callback [2021-12-06 22:56:09,454 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-06 22:56:09,454 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-06 22:56:09,454 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-06 22:56:09,454 INFO L130 BoogieDeclarations]: Found specification of procedure digi_write_bulk_callback [2021-12-06 22:56:09,454 INFO L138 BoogieDeclarations]: Found implementation of procedure digi_write_bulk_callback [2021-12-06 22:56:09,455 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-06 22:56:09,455 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-06 22:56:09,455 INFO L130 BoogieDeclarations]: Found specification of procedure digi_write [2021-12-06 22:56:09,455 INFO L138 BoogieDeclarations]: Found implementation of procedure digi_write [2021-12-06 22:56:09,455 INFO L130 BoogieDeclarations]: Found specification of procedure digi_set_termios [2021-12-06 22:56:09,455 INFO L138 BoogieDeclarations]: Found implementation of procedure digi_set_termios [2021-12-06 22:56:09,455 INFO L130 BoogieDeclarations]: Found specification of procedure digi_wakeup_write_lock [2021-12-06 22:56:09,455 INFO L138 BoogieDeclarations]: Found implementation of procedure digi_wakeup_write_lock [2021-12-06 22:56:09,455 INFO L130 BoogieDeclarations]: Found specification of procedure digi_write_room [2021-12-06 22:56:09,456 INFO L138 BoogieDeclarations]: Found implementation of procedure digi_write_room [2021-12-06 22:56:09,456 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2021-12-06 22:56:09,456 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2021-12-06 22:56:09,456 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-06 22:56:09,456 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-06 22:56:09,456 INFO L130 BoogieDeclarations]: Found specification of procedure digi_close [2021-12-06 22:56:09,456 INFO L138 BoogieDeclarations]: Found implementation of procedure digi_close [2021-12-06 22:56:09,456 INFO L130 BoogieDeclarations]: Found specification of procedure digi_tiocmset [2021-12-06 22:56:09,456 INFO L138 BoogieDeclarations]: Found implementation of procedure digi_tiocmset [2021-12-06 22:56:09,457 INFO L130 BoogieDeclarations]: Found specification of procedure digi_tiocmget [2021-12-06 22:56:09,457 INFO L138 BoogieDeclarations]: Found implementation of procedure digi_tiocmget [2021-12-06 22:56:09,457 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-06 22:56:09,457 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2021-12-06 22:56:09,457 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2021-12-06 22:56:09,457 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-06 22:56:09,457 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-06 22:56:09,457 INFO L130 BoogieDeclarations]: Found specification of procedure digi_set_modem_signals [2021-12-06 22:56:09,457 INFO L138 BoogieDeclarations]: Found implementation of procedure digi_set_modem_signals [2021-12-06 22:56:09,458 INFO L130 BoogieDeclarations]: Found specification of procedure tty_termios_baud_rate [2021-12-06 22:56:09,458 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_termios_baud_rate [2021-12-06 22:56:09,458 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-06 22:56:09,458 INFO L130 BoogieDeclarations]: Found specification of procedure digi_port_probe [2021-12-06 22:56:09,458 INFO L138 BoogieDeclarations]: Found implementation of procedure digi_port_probe [2021-12-06 22:56:09,458 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-06 22:56:09,458 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-06 22:56:09,458 INFO L130 BoogieDeclarations]: Found specification of procedure digi_release [2021-12-06 22:56:09,458 INFO L138 BoogieDeclarations]: Found implementation of procedure digi_release [2021-12-06 22:56:09,458 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-12-06 22:56:09,459 INFO L130 BoogieDeclarations]: Found specification of procedure digi_write_inb_command [2021-12-06 22:56:09,459 INFO L138 BoogieDeclarations]: Found implementation of procedure digi_write_inb_command [2021-12-06 22:56:09,459 INFO L130 BoogieDeclarations]: Found specification of procedure digi_write_oob_command [2021-12-06 22:56:09,459 INFO L138 BoogieDeclarations]: Found implementation of procedure digi_write_oob_command [2021-12-06 22:56:09,459 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-06 22:56:09,459 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2021-12-06 22:56:09,459 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2021-12-06 22:56:09,459 INFO L130 BoogieDeclarations]: Found specification of procedure digi_port_init [2021-12-06 22:56:09,459 INFO L138 BoogieDeclarations]: Found implementation of procedure digi_port_init [2021-12-06 22:56:09,460 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2021-12-06 22:56:09,460 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2021-12-06 22:56:09,460 INFO L130 BoogieDeclarations]: Found specification of procedure signal_pending [2021-12-06 22:56:09,460 INFO L138 BoogieDeclarations]: Found implementation of procedure signal_pending [2021-12-06 22:56:09,460 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-12-06 22:56:09,460 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-12-06 22:56:09,460 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-06 22:56:09,460 INFO L130 BoogieDeclarations]: Found specification of procedure digi_rx_unthrottle [2021-12-06 22:56:09,460 INFO L138 BoogieDeclarations]: Found implementation of procedure digi_rx_unthrottle [2021-12-06 22:56:09,460 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-06 22:56:09,461 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait [2021-12-06 22:56:09,461 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait [2021-12-06 22:56:09,461 INFO L130 BoogieDeclarations]: Found specification of procedure digi_dtr_rts [2021-12-06 22:56:09,461 INFO L138 BoogieDeclarations]: Found implementation of procedure digi_dtr_rts [2021-12-06 22:56:09,461 INFO L130 BoogieDeclarations]: Found specification of procedure digi_chars_in_buffer [2021-12-06 22:56:09,461 INFO L138 BoogieDeclarations]: Found implementation of procedure digi_chars_in_buffer [2021-12-06 22:56:09,461 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-12-06 22:56:09,461 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-12-06 22:56:09,461 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2021-12-06 22:56:09,461 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2021-12-06 22:56:09,462 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-12-06 22:56:09,462 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-12-06 22:56:09,462 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2021-12-06 22:56:09,462 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2021-12-06 22:56:09,462 INFO L130 BoogieDeclarations]: Found specification of procedure digi_port_remove [2021-12-06 22:56:09,462 INFO L138 BoogieDeclarations]: Found implementation of procedure digi_port_remove [2021-12-06 22:56:09,462 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-12-06 22:56:09,462 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-12-06 22:56:09,462 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout [2021-12-06 22:56:09,463 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout [2021-12-06 22:56:09,463 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-06 22:56:09,463 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_serial_data [2021-12-06 22:56:09,463 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_serial_data [2021-12-06 22:56:09,463 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_guard [2021-12-06 22:56:09,463 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_guard [2021-12-06 22:56:09,463 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-06 22:56:09,463 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2021-12-06 22:56:09,463 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2021-12-06 22:56:09,463 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-06 22:56:09,464 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-06 22:56:09,777 INFO L236 CfgBuilder]: Building ICFG [2021-12-06 22:56:09,779 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-06 22:56:10,062 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-06 22:56:18,678 INFO L277 CfgBuilder]: Performing block encoding [2021-12-06 22:56:18,692 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-06 22:56:18,692 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-06 22:56:18,695 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 10:56:18 BoogieIcfgContainer [2021-12-06 22:56:18,695 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-06 22:56:18,697 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-06 22:56:18,697 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-06 22:56:18,699 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-06 22:56:18,699 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.12 10:56:07" (1/3) ... [2021-12-06 22:56:18,699 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27020fed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 10:56:18, skipping insertion in model container [2021-12-06 22:56:18,700 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:56:09" (2/3) ... [2021-12-06 22:56:18,700 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27020fed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 10:56:18, skipping insertion in model container [2021-12-06 22:56:18,700 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 10:56:18" (3/3) ... [2021-12-06 22:56:18,701 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--usb--serial--digi_acceleport.ko-entry_point.cil.out.i [2021-12-06 22:56:18,705 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-06 22:56:18,705 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-06 22:56:18,745 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-06 22:56:18,750 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 22:56:18,750 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-06 22:56:18,785 INFO L276 IsEmpty]: Start isEmpty. Operand has 1283 states, 893 states have (on average 1.4076147816349385) internal successors, (1257), 911 states have internal predecessors, (1257), 329 states have call successors, (329), 60 states have call predecessors, (329), 59 states have return successors, (324), 320 states have call predecessors, (324), 324 states have call successors, (324) [2021-12-06 22:56:18,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2021-12-06 22:56:18,797 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 22:56:18,798 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 22:56:18,798 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 22:56:18,802 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:56:18,802 INFO L85 PathProgramCache]: Analyzing trace with hash -1133325010, now seen corresponding path program 1 times [2021-12-06 22:56:18,809 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:56:18,809 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [833589524] [2021-12-06 22:56:18,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:56:18,810 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:56:19,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:56:19,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 22:56:19,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:56:19,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:56:19,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:56:19,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:56:19,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:56:19,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-06 22:56:19,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:56:19,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:56:19,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:56:19,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:56:19,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:56:19,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-06 22:56:19,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:56:19,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:56:19,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:56:19,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:56:19,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:56:19,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-06 22:56:19,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:56:19,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:56:19,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:56:19,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:56:19,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:56:19,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-06 22:56:19,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:56:19,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2021-12-06 22:56:19,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:56:19,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2021-12-06 22:56:19,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:56:19,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-12-06 22:56:19,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:56:19,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-12-06 22:56:19,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:56:19,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-06 22:56:19,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:56:19,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-12-06 22:56:19,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:56:19,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-12-06 22:56:19,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:56:19,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2021-12-06 22:56:19,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:56:19,464 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2021-12-06 22:56:19,464 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:56:19,464 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [833589524] [2021-12-06 22:56:19,465 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [833589524] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:56:19,465 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 22:56:19,465 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-06 22:56:19,466 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1259571443] [2021-12-06 22:56:19,467 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:56:19,470 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-06 22:56:19,470 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:56:19,490 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-06 22:56:19,490 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-06 22:56:19,494 INFO L87 Difference]: Start difference. First operand has 1283 states, 893 states have (on average 1.4076147816349385) internal successors, (1257), 911 states have internal predecessors, (1257), 329 states have call successors, (329), 60 states have call predecessors, (329), 59 states have return successors, (324), 320 states have call predecessors, (324), 324 states have call successors, (324) Second operand has 5 states, 5 states have (on average 9.0) internal successors, (45), 2 states have internal predecessors, (45), 2 states have call successors, (20), 5 states have call predecessors, (20), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2021-12-06 22:56:21,531 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:56:23,541 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:56:25,551 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:56:31,760 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:56:33,787 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:56:35,812 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:56:35,993 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 22:56:35,993 INFO L93 Difference]: Finished difference Result 2628 states and 4043 transitions. [2021-12-06 22:56:35,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-06 22:56:35,995 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 2 states have internal predecessors, (45), 2 states have call successors, (20), 5 states have call predecessors, (20), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 151 [2021-12-06 22:56:35,995 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 22:56:36,015 INFO L225 Difference]: With dead ends: 2628 [2021-12-06 22:56:36,015 INFO L226 Difference]: Without dead ends: 1335 [2021-12-06 22:56:36,026 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2021-12-06 22:56:36,028 INFO L933 BasicCegarLoop]: 1791 mSDtfsCounter, 398 mSDsluCounter, 2985 mSDsCounter, 0 mSdLazyCounter, 1231 mSolverCounterSat, 741 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 430 SdHoareTripleChecker+Valid, 4776 SdHoareTripleChecker+Invalid, 1978 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 741 IncrementalHoareTripleChecker+Valid, 1231 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.3s IncrementalHoareTripleChecker+Time [2021-12-06 22:56:36,029 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [430 Valid, 4776 Invalid, 1978 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [741 Valid, 1231 Invalid, 6 Unknown, 0 Unchecked, 16.3s Time] [2021-12-06 22:56:36,043 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1335 states. [2021-12-06 22:56:36,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1335 to 1268. [2021-12-06 22:56:36,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1268 states, 885 states have (on average 1.4) internal successors, (1239), 896 states have internal predecessors, (1239), 324 states have call successors, (324), 59 states have call predecessors, (324), 58 states have return successors, (323), 319 states have call predecessors, (323), 323 states have call successors, (323) [2021-12-06 22:56:36,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1268 states to 1268 states and 1886 transitions. [2021-12-06 22:56:36,139 INFO L78 Accepts]: Start accepts. Automaton has 1268 states and 1886 transitions. Word has length 151 [2021-12-06 22:56:36,139 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 22:56:36,140 INFO L470 AbstractCegarLoop]: Abstraction has 1268 states and 1886 transitions. [2021-12-06 22:56:36,140 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 2 states have internal predecessors, (45), 2 states have call successors, (20), 5 states have call predecessors, (20), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2021-12-06 22:56:36,140 INFO L276 IsEmpty]: Start isEmpty. Operand 1268 states and 1886 transitions. [2021-12-06 22:56:36,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2021-12-06 22:56:36,144 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 22:56:36,144 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 22:56:36,144 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-06 22:56:36,145 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 22:56:36,145 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:56:36,145 INFO L85 PathProgramCache]: Analyzing trace with hash -1777342426, now seen corresponding path program 1 times [2021-12-06 22:56:36,145 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:56:36,145 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1279852633] [2021-12-06 22:56:36,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:56:36,146 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:56:36,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:56:36,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 22:56:36,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:56:36,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:56:36,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:56:36,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:56:36,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:56:36,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-06 22:56:36,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:56:36,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:56:36,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:56:36,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:56:36,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:56:36,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-06 22:56:36,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:56:36,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:56:36,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:56:36,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:56:36,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:56:36,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-06 22:56:36,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:56:36,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:56:36,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:56:36,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:56:36,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:56:36,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-06 22:56:36,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:56:36,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2021-12-06 22:56:36,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:56:36,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2021-12-06 22:56:36,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:56:36,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-12-06 22:56:36,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:56:36,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-12-06 22:56:36,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:56:36,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-06 22:56:36,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:56:36,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-12-06 22:56:36,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:56:36,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-12-06 22:56:36,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:56:36,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2021-12-06 22:56:36,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:56:36,522 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2021-12-06 22:56:36,522 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:56:36,522 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1279852633] [2021-12-06 22:56:36,523 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1279852633] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:56:36,523 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 22:56:36,523 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-06 22:56:36,523 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [222224147] [2021-12-06 22:56:36,524 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:56:36,525 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 22:56:36,526 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:56:36,526 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 22:56:36,526 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-06 22:56:36,527 INFO L87 Difference]: Start difference. First operand 1268 states and 1886 transitions. Second operand has 6 states, 6 states have (on average 7.5) internal successors, (45), 3 states have internal predecessors, (45), 2 states have call successors, (20), 5 states have call predecessors, (20), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2021-12-06 22:56:39,391 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:56:46,925 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:56:50,609 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:56:50,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 22:56:50,734 INFO L93 Difference]: Finished difference Result 3665 states and 5445 transitions. [2021-12-06 22:56:50,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-06 22:56:50,734 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.5) internal successors, (45), 3 states have internal predecessors, (45), 2 states have call successors, (20), 5 states have call predecessors, (20), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 151 [2021-12-06 22:56:50,735 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 22:56:50,750 INFO L225 Difference]: With dead ends: 3665 [2021-12-06 22:56:50,750 INFO L226 Difference]: Without dead ends: 2432 [2021-12-06 22:56:50,756 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2021-12-06 22:56:50,757 INFO L933 BasicCegarLoop]: 1957 mSDtfsCounter, 2092 mSDsluCounter, 4521 mSDsCounter, 0 mSdLazyCounter, 2205 mSolverCounterSat, 1515 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2275 SdHoareTripleChecker+Valid, 6478 SdHoareTripleChecker+Invalid, 3723 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1515 IncrementalHoareTripleChecker+Valid, 2205 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.0s IncrementalHoareTripleChecker+Time [2021-12-06 22:56:50,757 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2275 Valid, 6478 Invalid, 3723 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1515 Valid, 2205 Invalid, 3 Unknown, 0 Unchecked, 14.0s Time] [2021-12-06 22:56:50,761 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2432 states. [2021-12-06 22:56:50,835 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2432 to 2299. [2021-12-06 22:56:50,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2299 states, 1609 states have (on average 1.3927905531385953) internal successors, (2241), 1631 states have internal predecessors, (2241), 574 states have call successors, (574), 116 states have call predecessors, (574), 115 states have return successors, (573), 565 states have call predecessors, (573), 573 states have call successors, (573) [2021-12-06 22:56:50,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2299 states to 2299 states and 3388 transitions. [2021-12-06 22:56:50,850 INFO L78 Accepts]: Start accepts. Automaton has 2299 states and 3388 transitions. Word has length 151 [2021-12-06 22:56:50,850 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 22:56:50,850 INFO L470 AbstractCegarLoop]: Abstraction has 2299 states and 3388 transitions. [2021-12-06 22:56:50,851 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.5) internal successors, (45), 3 states have internal predecessors, (45), 2 states have call successors, (20), 5 states have call predecessors, (20), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2021-12-06 22:56:50,851 INFO L276 IsEmpty]: Start isEmpty. Operand 2299 states and 3388 transitions. [2021-12-06 22:56:50,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2021-12-06 22:56:50,853 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 22:56:50,853 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 22:56:50,853 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-06 22:56:50,853 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 22:56:50,854 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:56:50,854 INFO L85 PathProgramCache]: Analyzing trace with hash -1377764580, now seen corresponding path program 1 times [2021-12-06 22:56:50,854 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:56:50,854 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1784606380] [2021-12-06 22:56:50,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:56:50,854 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:56:50,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:56:51,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 22:56:51,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:56:51,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:56:51,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:56:51,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:56:51,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:56:51,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-06 22:56:51,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:56:51,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:56:51,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:56:51,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:56:51,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:56:51,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-06 22:56:51,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:56:51,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:56:51,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:56:51,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:56:51,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:56:51,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-06 22:56:51,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:56:51,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:56:51,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:56:51,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:56:51,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:56:51,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-06 22:56:51,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:56:51,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2021-12-06 22:56:51,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:56:51,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2021-12-06 22:56:51,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:56:51,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-12-06 22:56:51,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:56:51,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-12-06 22:56:51,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:56:51,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-06 22:56:51,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:56:51,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-12-06 22:56:51,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:56:51,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-12-06 22:56:51,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:56:51,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2021-12-06 22:56:51,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:56:51,209 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2021-12-06 22:56:51,209 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:56:51,209 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1784606380] [2021-12-06 22:56:51,209 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1784606380] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:56:51,210 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 22:56:51,210 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-06 22:56:51,210 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1080323646] [2021-12-06 22:56:51,210 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:56:51,210 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 22:56:51,210 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:56:51,211 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 22:56:51,211 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-06 22:56:51,211 INFO L87 Difference]: Start difference. First operand 2299 states and 3388 transitions. Second operand has 6 states, 6 states have (on average 7.5) internal successors, (45), 3 states have internal predecessors, (45), 2 states have call successors, (20), 5 states have call predecessors, (20), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2021-12-06 22:56:53,242 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:56:58,670 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:57:00,474 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.68s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:57:00,621 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 22:57:00,621 INFO L93 Difference]: Finished difference Result 5843 states and 8613 transitions. [2021-12-06 22:57:00,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-06 22:57:00,621 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.5) internal successors, (45), 3 states have internal predecessors, (45), 2 states have call successors, (20), 5 states have call predecessors, (20), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 151 [2021-12-06 22:57:00,622 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 22:57:00,640 INFO L225 Difference]: With dead ends: 5843 [2021-12-06 22:57:00,640 INFO L226 Difference]: Without dead ends: 3586 [2021-12-06 22:57:00,647 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2021-12-06 22:57:00,648 INFO L933 BasicCegarLoop]: 3044 mSDtfsCounter, 1981 mSDsluCounter, 3179 mSDsCounter, 0 mSdLazyCounter, 1485 mSolverCounterSat, 1501 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2163 SdHoareTripleChecker+Valid, 6223 SdHoareTripleChecker+Invalid, 2987 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1501 IncrementalHoareTripleChecker+Valid, 1485 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.2s IncrementalHoareTripleChecker+Time [2021-12-06 22:57:00,648 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2163 Valid, 6223 Invalid, 2987 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1501 Valid, 1485 Invalid, 1 Unknown, 0 Unchecked, 9.2s Time] [2021-12-06 22:57:00,652 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3586 states. [2021-12-06 22:57:00,748 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3586 to 3388. [2021-12-06 22:57:00,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3388 states, 2378 states have (on average 1.3881412952060554) internal successors, (3301), 2412 states have internal predecessors, (3301), 831 states have call successors, (831), 179 states have call predecessors, (831), 178 states have return successors, (830), 817 states have call predecessors, (830), 830 states have call successors, (830) [2021-12-06 22:57:00,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3388 states to 3388 states and 4962 transitions. [2021-12-06 22:57:00,767 INFO L78 Accepts]: Start accepts. Automaton has 3388 states and 4962 transitions. Word has length 151 [2021-12-06 22:57:00,767 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 22:57:00,768 INFO L470 AbstractCegarLoop]: Abstraction has 3388 states and 4962 transitions. [2021-12-06 22:57:00,768 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.5) internal successors, (45), 3 states have internal predecessors, (45), 2 states have call successors, (20), 5 states have call predecessors, (20), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2021-12-06 22:57:00,768 INFO L276 IsEmpty]: Start isEmpty. Operand 3388 states and 4962 transitions. [2021-12-06 22:57:00,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 293 [2021-12-06 22:57:00,773 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 22:57:00,774 INFO L514 BasicCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 9, 9, 9, 9, 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] [2021-12-06 22:57:00,774 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-06 22:57:00,774 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 22:57:00,774 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:57:00,774 INFO L85 PathProgramCache]: Analyzing trace with hash 1107293095, now seen corresponding path program 1 times [2021-12-06 22:57:00,774 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:57:00,774 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1088978235] [2021-12-06 22:57:00,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:57:00,775 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:57:00,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:57:01,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 22:57:01,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:57:01,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:57:01,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:57:01,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:57:01,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:57:01,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-06 22:57:01,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:57:01,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:57:01,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:57:01,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:57:01,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:57:01,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-06 22:57:01,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:57:01,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:57:01,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:57:01,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:57:01,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:57:01,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-06 22:57:01,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:57:01,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:57:01,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:57:01,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:57:01,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:57:01,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-06 22:57:01,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:57:01,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2021-12-06 22:57:01,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:57:01,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2021-12-06 22:57:01,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:57:01,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-12-06 22:57:01,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:57:01,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-12-06 22:57:01,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:57:01,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-06 22:57:01,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:57:01,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-12-06 22:57:01,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:57:01,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-12-06 22:57:01,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:57:01,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2021-12-06 22:57:01,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:57:01,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2021-12-06 22:57:01,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:57:01,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:57:01,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:57:01,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:57:01,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:57:01,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-06 22:57:01,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:57:01,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:57:01,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:57:01,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:57:01,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:57:01,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2021-12-06 22:57:01,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:57:01,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:57:01,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:57:01,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:57:01,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:57:01,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2021-12-06 22:57:01,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:57:01,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:57:01,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:57:01,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:57:01,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:57:01,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2021-12-06 22:57:01,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:57:01,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:57:01,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:57:01,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:57:01,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:57:01,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2021-12-06 22:57:01,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:57:01,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:57:01,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:57:01,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:57:01,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:57:01,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2021-12-06 22:57:01,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:57:01,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:57:01,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:57:01,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:57:01,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:57:01,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2021-12-06 22:57:01,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:57:01,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:57:01,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:57:01,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:57:01,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:57:01,353 INFO L134 CoverageAnalysis]: Checked inductivity of 1107 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2021-12-06 22:57:01,353 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:57:01,353 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1088978235] [2021-12-06 22:57:01,353 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1088978235] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:57:01,353 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 22:57:01,353 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-06 22:57:01,354 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [726197732] [2021-12-06 22:57:01,354 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:57:01,354 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 22:57:01,354 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:57:01,355 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 22:57:01,355 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-06 22:57:01,355 INFO L87 Difference]: Start difference. First operand 3388 states and 4962 transitions. Second operand has 6 states, 6 states have (on average 11.0) internal successors, (66), 3 states have internal predecessors, (66), 3 states have call successors, (28), 5 states have call predecessors, (28), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2021-12-06 22:57:03,400 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:57:05,411 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:57:06,543 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:57:08,556 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:57:15,941 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:57:17,972 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:57:20,008 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:57:20,192 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 22:57:20,192 INFO L93 Difference]: Finished difference Result 8707 states and 12819 transitions. [2021-12-06 22:57:20,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-06 22:57:20,192 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.0) internal successors, (66), 3 states have internal predecessors, (66), 3 states have call successors, (28), 5 states have call predecessors, (28), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 292 [2021-12-06 22:57:20,193 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 22:57:20,218 INFO L225 Difference]: With dead ends: 8707 [2021-12-06 22:57:20,218 INFO L226 Difference]: Without dead ends: 5368 [2021-12-06 22:57:20,227 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2021-12-06 22:57:20,227 INFO L933 BasicCegarLoop]: 2083 mSDtfsCounter, 2100 mSDsluCounter, 4740 mSDsCounter, 0 mSdLazyCounter, 2461 mSolverCounterSat, 1540 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2276 SdHoareTripleChecker+Valid, 6823 SdHoareTripleChecker+Invalid, 4007 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1540 IncrementalHoareTripleChecker+Valid, 2461 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.6s IncrementalHoareTripleChecker+Time [2021-12-06 22:57:20,228 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2276 Valid, 6823 Invalid, 4007 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1540 Valid, 2461 Invalid, 6 Unknown, 0 Unchecked, 18.6s Time] [2021-12-06 22:57:20,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5368 states. [2021-12-06 22:57:20,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5368 to 5091. [2021-12-06 22:57:20,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5091 states, 3621 states have (on average 1.3769676884838442) internal successors, (4986), 3671 states have internal predecessors, (4986), 1193 states have call successors, (1193), 277 states have call predecessors, (1193), 276 states have return successors, (1192), 1174 states have call predecessors, (1192), 1192 states have call successors, (1192) [2021-12-06 22:57:20,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5091 states to 5091 states and 7371 transitions. [2021-12-06 22:57:20,396 INFO L78 Accepts]: Start accepts. Automaton has 5091 states and 7371 transitions. Word has length 292 [2021-12-06 22:57:20,396 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 22:57:20,396 INFO L470 AbstractCegarLoop]: Abstraction has 5091 states and 7371 transitions. [2021-12-06 22:57:20,397 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.0) internal successors, (66), 3 states have internal predecessors, (66), 3 states have call successors, (28), 5 states have call predecessors, (28), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2021-12-06 22:57:20,397 INFO L276 IsEmpty]: Start isEmpty. Operand 5091 states and 7371 transitions. [2021-12-06 22:57:20,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 293 [2021-12-06 22:57:20,400 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 22:57:20,400 INFO L514 BasicCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 9, 9, 9, 9, 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] [2021-12-06 22:57:20,400 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-06 22:57:20,400 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 22:57:20,401 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:57:20,401 INFO L85 PathProgramCache]: Analyzing trace with hash 1506870941, now seen corresponding path program 1 times [2021-12-06 22:57:20,401 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:57:20,401 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [465797172] [2021-12-06 22:57:20,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:57:20,401 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:57:20,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:57:20,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 22:57:20,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:57:20,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:57:20,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:57:20,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:57:20,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:57:20,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-06 22:57:20,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:57:20,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:57:20,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:57:20,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:57:20,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:57:20,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-06 22:57:20,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:57:20,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:57:20,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:57:20,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:57:20,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:57:20,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-06 22:57:20,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:57:20,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:57:20,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:57:20,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:57:20,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:57:20,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-06 22:57:20,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:57:20,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2021-12-06 22:57:20,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:57:20,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2021-12-06 22:57:20,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:57:20,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-12-06 22:57:20,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:57:20,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-12-06 22:57:20,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:57:20,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-06 22:57:20,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:57:20,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-12-06 22:57:20,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:57:20,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-12-06 22:57:20,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:57:20,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2021-12-06 22:57:20,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:57:20,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2021-12-06 22:57:20,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:57:20,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:57:20,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:57:20,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:57:20,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:57:20,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-06 22:57:20,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:57:20,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:57:20,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:57:20,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:57:20,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:57:20,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2021-12-06 22:57:20,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:57:20,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:57:20,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:57:20,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:57:20,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:57:20,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2021-12-06 22:57:20,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:57:20,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:57:20,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:57:20,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:57:20,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:57:20,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2021-12-06 22:57:20,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:57:20,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:57:20,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:57:20,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:57:20,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:57:20,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2021-12-06 22:57:20,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:57:20,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:57:20,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:57:20,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:57:20,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:57:20,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2021-12-06 22:57:20,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:57:20,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:57:20,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:57:20,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:57:20,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:57:20,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2021-12-06 22:57:20,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:57:20,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:57:20,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:57:20,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:57:20,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:57:20,859 INFO L134 CoverageAnalysis]: Checked inductivity of 1107 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2021-12-06 22:57:20,860 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:57:20,860 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [465797172] [2021-12-06 22:57:20,860 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [465797172] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:57:20,860 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 22:57:20,860 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-06 22:57:20,860 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [784365635] [2021-12-06 22:57:20,860 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:57:20,861 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 22:57:20,861 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:57:20,862 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 22:57:20,862 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-06 22:57:20,862 INFO L87 Difference]: Start difference. First operand 5091 states and 7371 transitions. Second operand has 6 states, 6 states have (on average 11.0) internal successors, (66), 3 states have internal predecessors, (66), 3 states have call successors, (28), 5 states have call predecessors, (28), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2021-12-06 22:57:22,894 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:57:24,406 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.51s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:57:25,967 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.56s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:57:27,980 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:57:36,983 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.48s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:57:39,006 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:57:41,051 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:57:43,081 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:57:43,329 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 22:57:43,329 INFO L93 Difference]: Finished difference Result 12919 states and 18796 transitions. [2021-12-06 22:57:43,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-06 22:57:43,329 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.0) internal successors, (66), 3 states have internal predecessors, (66), 3 states have call successors, (28), 5 states have call predecessors, (28), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 292 [2021-12-06 22:57:43,330 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 22:57:43,365 INFO L225 Difference]: With dead ends: 12919 [2021-12-06 22:57:43,365 INFO L226 Difference]: Without dead ends: 7877 [2021-12-06 22:57:43,378 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2021-12-06 22:57:43,379 INFO L933 BasicCegarLoop]: 2355 mSDtfsCounter, 2001 mSDsluCounter, 5112 mSDsCounter, 0 mSdLazyCounter, 2610 mSolverCounterSat, 1383 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2176 SdHoareTripleChecker+Valid, 7467 SdHoareTripleChecker+Invalid, 3998 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1383 IncrementalHoareTripleChecker+Valid, 2610 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 22.2s IncrementalHoareTripleChecker+Time [2021-12-06 22:57:43,379 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2176 Valid, 7467 Invalid, 3998 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1383 Valid, 2610 Invalid, 5 Unknown, 0 Unchecked, 22.2s Time] [2021-12-06 22:57:43,386 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7877 states. [2021-12-06 22:57:43,579 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7877 to 7499. [2021-12-06 22:57:43,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7499 states, 5406 states have (on average 1.3642249352571216) internal successors, (7375), 5478 states have internal predecessors, (7375), 1673 states have call successors, (1673), 420 states have call predecessors, (1673), 419 states have return successors, (1672), 1647 states have call predecessors, (1672), 1672 states have call successors, (1672) [2021-12-06 22:57:43,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7499 states to 7499 states and 10720 transitions. [2021-12-06 22:57:43,612 INFO L78 Accepts]: Start accepts. Automaton has 7499 states and 10720 transitions. Word has length 292 [2021-12-06 22:57:43,613 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 22:57:43,613 INFO L470 AbstractCegarLoop]: Abstraction has 7499 states and 10720 transitions. [2021-12-06 22:57:43,613 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.0) internal successors, (66), 3 states have internal predecessors, (66), 3 states have call successors, (28), 5 states have call predecessors, (28), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2021-12-06 22:57:43,613 INFO L276 IsEmpty]: Start isEmpty. Operand 7499 states and 10720 transitions. [2021-12-06 22:57:43,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294 [2021-12-06 22:57:43,617 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 22:57:43,617 INFO L514 BasicCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 9, 9, 9, 9, 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] [2021-12-06 22:57:43,617 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-06 22:57:43,618 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 22:57:43,618 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:57:43,618 INFO L85 PathProgramCache]: Analyzing trace with hash -1620977933, now seen corresponding path program 1 times [2021-12-06 22:57:43,618 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:57:43,618 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2041823324] [2021-12-06 22:57:43,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:57:43,618 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:57:43,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:57:43,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 22:57:43,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:57:43,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:57:43,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:57:43,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:57:43,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:57:43,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-06 22:57:43,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:57:43,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:57:43,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:57:43,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:57:43,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:57:43,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-06 22:57:43,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:57:43,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:57:43,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:57:43,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:57:43,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:57:43,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-06 22:57:43,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:57:43,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:57:43,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:57:43,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:57:43,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:57:43,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-06 22:57:43,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:57:43,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2021-12-06 22:57:43,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:57:43,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2021-12-06 22:57:43,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:57:43,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-12-06 22:57:43,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:57:43,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-12-06 22:57:43,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:57:43,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-06 22:57:43,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:57:43,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-12-06 22:57:43,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:57:43,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-12-06 22:57:43,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:57:43,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2021-12-06 22:57:43,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:57:43,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2021-12-06 22:57:43,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:57:43,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:57:43,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:57:43,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:57:43,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:57:43,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-06 22:57:43,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:57:43,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:57:43,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:57:43,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:57:43,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:57:43,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2021-12-06 22:57:43,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:57:44,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:57:44,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:57:44,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:57:44,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:57:44,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2021-12-06 22:57:44,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:57:44,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:57:44,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:57:44,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:57:44,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:57:44,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2021-12-06 22:57:44,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:57:44,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:57:44,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:57:44,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:57:44,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:57:44,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2021-12-06 22:57:44,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:57:44,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:57:44,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:57:44,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:57:44,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:57:44,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2021-12-06 22:57:44,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:57:44,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:57:44,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:57:44,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:57:44,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:57:44,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2021-12-06 22:57:44,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:57:44,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:57:44,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:57:44,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:57:44,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:57:44,101 INFO L134 CoverageAnalysis]: Checked inductivity of 1107 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1107 trivial. 0 not checked. [2021-12-06 22:57:44,101 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:57:44,101 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2041823324] [2021-12-06 22:57:44,101 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2041823324] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:57:44,101 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 22:57:44,102 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-06 22:57:44,102 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1024767078] [2021-12-06 22:57:44,102 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:57:44,102 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 22:57:44,102 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:57:44,103 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 22:57:44,103 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-06 22:57:44,103 INFO L87 Difference]: Start difference. First operand 7499 states and 10720 transitions. Second operand has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 3 states have internal predecessors, (65), 3 states have call successors, (28), 6 states have call predecessors, (28), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2021-12-06 22:57:45,793 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.69s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:57:47,807 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:57:54,323 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.68s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:57:56,347 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:57:56,499 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 22:57:56,499 INFO L93 Difference]: Finished difference Result 8108 states and 11599 transitions. [2021-12-06 22:57:56,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-06 22:57:56,499 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 3 states have internal predecessors, (65), 3 states have call successors, (28), 6 states have call predecessors, (28), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 293 [2021-12-06 22:57:56,500 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 22:57:56,543 INFO L225 Difference]: With dead ends: 8108 [2021-12-06 22:57:56,543 INFO L226 Difference]: Without dead ends: 8105 [2021-12-06 22:57:56,546 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2021-12-06 22:57:56,546 INFO L933 BasicCegarLoop]: 1778 mSDtfsCounter, 1759 mSDsluCounter, 3205 mSDsCounter, 0 mSdLazyCounter, 1340 mSolverCounterSat, 933 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1841 SdHoareTripleChecker+Valid, 4983 SdHoareTripleChecker+Invalid, 2275 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 933 IncrementalHoareTripleChecker+Valid, 1340 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.2s IncrementalHoareTripleChecker+Time [2021-12-06 22:57:56,547 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1841 Valid, 4983 Invalid, 2275 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [933 Valid, 1340 Invalid, 2 Unknown, 0 Unchecked, 12.2s Time] [2021-12-06 22:57:56,554 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8105 states. [2021-12-06 22:57:56,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8105 to 7667. [2021-12-06 22:57:56,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7667 states, 5535 states have (on average 1.362962962962963) internal successors, (7544), 5607 states have internal predecessors, (7544), 1686 states have call successors, (1686), 454 states have call predecessors, (1686), 445 states have return successors, (1685), 1652 states have call predecessors, (1685), 1685 states have call successors, (1685) [2021-12-06 22:57:56,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7667 states to 7667 states and 10915 transitions. [2021-12-06 22:57:56,757 INFO L78 Accepts]: Start accepts. Automaton has 7667 states and 10915 transitions. Word has length 293 [2021-12-06 22:57:56,758 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 22:57:56,758 INFO L470 AbstractCegarLoop]: Abstraction has 7667 states and 10915 transitions. [2021-12-06 22:57:56,758 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 3 states have internal predecessors, (65), 3 states have call successors, (28), 6 states have call predecessors, (28), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2021-12-06 22:57:56,758 INFO L276 IsEmpty]: Start isEmpty. Operand 7667 states and 10915 transitions. [2021-12-06 22:57:56,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 304 [2021-12-06 22:57:56,761 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 22:57:56,761 INFO L514 BasicCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 9, 9, 9, 9, 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] [2021-12-06 22:57:56,761 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-06 22:57:56,761 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 22:57:56,761 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:57:56,762 INFO L85 PathProgramCache]: Analyzing trace with hash -1505077034, now seen corresponding path program 1 times [2021-12-06 22:57:56,762 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:57:56,762 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [280636009] [2021-12-06 22:57:56,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:57:56,762 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:57:56,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:57:57,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 22:57:57,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:57:57,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:57:57,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:57:57,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:57:57,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:57:57,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-06 22:57:57,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:57:57,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:57:57,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:57:57,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:57:57,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:57:57,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-06 22:57:57,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:57:57,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:57:57,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:57:57,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:57:57,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:57:57,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-06 22:57:57,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:57:57,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:57:57,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:57:57,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:57:57,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:57:57,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-06 22:57:57,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:57:57,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2021-12-06 22:57:57,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:57:57,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2021-12-06 22:57:57,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:57:57,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-12-06 22:57:57,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:57:57,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-12-06 22:57:57,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:57:57,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-06 22:57:57,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:57:57,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-12-06 22:57:57,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:57:57,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-12-06 22:57:57,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:57:57,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2021-12-06 22:57:57,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:57:57,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2021-12-06 22:57:57,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:57:57,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:57:57,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:57:57,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:57:57,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:57:57,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-06 22:57:57,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:57:57,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:57:57,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:57:57,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:57:57,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:57:57,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2021-12-06 22:57:57,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:57:57,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:57:57,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:57:57,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:57:57,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:57:57,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2021-12-06 22:57:57,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:57:57,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:57:57,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:57:57,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:57:57,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:57:57,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2021-12-06 22:57:57,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:57:57,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:57:57,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:57:57,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:57:57,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:57:57,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2021-12-06 22:57:57,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:57:57,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:57:57,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:57:57,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:57:57,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:57:57,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2021-12-06 22:57:57,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:57:57,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:57:57,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:57:57,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:57:57,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:57:57,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2021-12-06 22:57:57,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:57:57,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:57:57,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:57:57,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:57:57,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:57:57,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2021-12-06 22:57:57,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:57:57,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2021-12-06 22:57:57,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:57:57,450 INFO L134 CoverageAnalysis]: Checked inductivity of 1107 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 1075 trivial. 0 not checked. [2021-12-06 22:57:57,450 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:57:57,451 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [280636009] [2021-12-06 22:57:57,451 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [280636009] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 22:57:57,451 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1733236249] [2021-12-06 22:57:57,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:57:57,451 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 22:57:57,451 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0687c60f-dd5c-4443-9d57-78d3c929a1c6/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:57:57,452 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0687c60f-dd5c-4443-9d57-78d3c929a1c6/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 22:57:57,453 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0687c60f-dd5c-4443-9d57-78d3c929a1c6/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-12-06 22:57:58,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:57:58,102 INFO L263 TraceCheckSpWp]: Trace formula consists of 3387 conjuncts, 11 conjunts are in the unsatisfiable core [2021-12-06 22:57:58,118 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 22:57:58,453 INFO L134 CoverageAnalysis]: Checked inductivity of 1107 backedges. 488 proven. 0 refuted. 0 times theorem prover too weak. 619 trivial. 0 not checked. [2021-12-06 22:57:58,453 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 22:57:58,454 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1733236249] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:57:58,454 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-06 22:57:58,454 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [8] total 10 [2021-12-06 22:57:58,454 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1583843939] [2021-12-06 22:57:58,454 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:57:58,454 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-06 22:57:58,455 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:57:58,455 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-06 22:57:58,455 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2021-12-06 22:57:58,455 INFO L87 Difference]: Start difference. First operand 7667 states and 10915 transitions. Second operand has 4 states, 4 states have (on average 21.5) internal successors, (86), 4 states have internal predecessors, (86), 2 states have call successors, (30), 2 states have call predecessors, (30), 3 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2021-12-06 22:57:58,645 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 22:57:58,645 INFO L93 Difference]: Finished difference Result 15312 states and 21813 transitions. [2021-12-06 22:57:58,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-06 22:57:58,646 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 21.5) internal successors, (86), 4 states have internal predecessors, (86), 2 states have call successors, (30), 2 states have call predecessors, (30), 3 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 303 [2021-12-06 22:57:58,646 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 22:57:58,672 INFO L225 Difference]: With dead ends: 15312 [2021-12-06 22:57:58,672 INFO L226 Difference]: Without dead ends: 7668 [2021-12-06 22:57:58,696 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 400 GetRequests, 391 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2021-12-06 22:57:58,697 INFO L933 BasicCegarLoop]: 1884 mSDtfsCounter, 3 mSDsluCounter, 3749 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 5633 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-06 22:57:58,697 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3 Valid, 5633 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-06 22:57:58,706 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7668 states. [2021-12-06 22:57:58,905 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7668 to 7668. [2021-12-06 22:57:58,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7668 states, 5536 states have (on average 1.3628973988439306) internal successors, (7545), 5608 states have internal predecessors, (7545), 1686 states have call successors, (1686), 454 states have call predecessors, (1686), 445 states have return successors, (1685), 1652 states have call predecessors, (1685), 1685 states have call successors, (1685) [2021-12-06 22:57:58,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7668 states to 7668 states and 10916 transitions. [2021-12-06 22:57:58,934 INFO L78 Accepts]: Start accepts. Automaton has 7668 states and 10916 transitions. Word has length 303 [2021-12-06 22:57:58,935 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 22:57:58,935 INFO L470 AbstractCegarLoop]: Abstraction has 7668 states and 10916 transitions. [2021-12-06 22:57:58,935 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 21.5) internal successors, (86), 4 states have internal predecessors, (86), 2 states have call successors, (30), 2 states have call predecessors, (30), 3 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2021-12-06 22:57:58,935 INFO L276 IsEmpty]: Start isEmpty. Operand 7668 states and 10916 transitions. [2021-12-06 22:57:58,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 313 [2021-12-06 22:57:58,938 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 22:57:58,938 INFO L514 BasicCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 9, 9, 9, 9, 9, 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] [2021-12-06 22:57:58,968 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0687c60f-dd5c-4443-9d57-78d3c929a1c6/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-12-06 22:57:59,138 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0687c60f-dd5c-4443-9d57-78d3c929a1c6/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 22:57:59,139 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 22:57:59,139 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:57:59,139 INFO L85 PathProgramCache]: Analyzing trace with hash 1407298697, now seen corresponding path program 1 times [2021-12-06 22:57:59,139 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:57:59,139 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [529973040] [2021-12-06 22:57:59,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:57:59,140 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:57:59,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:57:59,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 22:57:59,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:57:59,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:57:59,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:57:59,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:57:59,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:57:59,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-06 22:57:59,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:57:59,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:57:59,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:57:59,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:57:59,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:57:59,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-06 22:57:59,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:57:59,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:57:59,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:57:59,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:57:59,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:57:59,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-06 22:57:59,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:57:59,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:57:59,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:57:59,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:57:59,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:57:59,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-06 22:57:59,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:57:59,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2021-12-06 22:57:59,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:57:59,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2021-12-06 22:57:59,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:57:59,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-06 22:57:59,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:57:59,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2021-12-06 22:57:59,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:57:59,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2021-12-06 22:57:59,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:57:59,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2021-12-06 22:57:59,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:57:59,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2021-12-06 22:57:59,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:57:59,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2021-12-06 22:57:59,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:57:59,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2021-12-06 22:57:59,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:57:59,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:57:59,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:57:59,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:57:59,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:57:59,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2021-12-06 22:57:59,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:57:59,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:57:59,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:57:59,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:57:59,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:57:59,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2021-12-06 22:57:59,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:57:59,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:57:59,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:57:59,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:57:59,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:57:59,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2021-12-06 22:57:59,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:57:59,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:57:59,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:57:59,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:57:59,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:57:59,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2021-12-06 22:57:59,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:57:59,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:57:59,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:57:59,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:57:59,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:57:59,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2021-12-06 22:57:59,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:57:59,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:57:59,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:57:59,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:57:59,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:57:59,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2021-12-06 22:57:59,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:57:59,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:57:59,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:57:59,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:57:59,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:57:59,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2021-12-06 22:57:59,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:57:59,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 22:57:59,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:57:59,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 22:57:59,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:57:59,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2021-12-06 22:57:59,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:57:59,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2021-12-06 22:57:59,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:57:59,749 INFO L134 CoverageAnalysis]: Checked inductivity of 1224 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 1167 trivial. 0 not checked. [2021-12-06 22:57:59,749 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:57:59,749 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [529973040] [2021-12-06 22:57:59,749 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [529973040] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 22:57:59,750 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [961003343] [2021-12-06 22:57:59,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:57:59,750 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 22:57:59,750 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0687c60f-dd5c-4443-9d57-78d3c929a1c6/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:57:59,751 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0687c60f-dd5c-4443-9d57-78d3c929a1c6/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 22:57:59,751 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0687c60f-dd5c-4443-9d57-78d3c929a1c6/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-12-06 22:58:00,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:58:00,774 INFO L263 TraceCheckSpWp]: Trace formula consists of 3522 conjuncts, 12 conjunts are in the unsatisfiable core [2021-12-06 22:58:00,783 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 22:58:01,163 INFO L134 CoverageAnalysis]: Checked inductivity of 1224 backedges. 512 proven. 1 refuted. 0 times theorem prover too weak. 711 trivial. 0 not checked. [2021-12-06 22:58:01,163 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 22:58:01,554 INFO L134 CoverageAnalysis]: Checked inductivity of 1224 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 1167 trivial. 0 not checked. [2021-12-06 22:58:01,555 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [961003343] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-06 22:58:01,555 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-06 22:58:01,555 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 5, 5] total 14 [2021-12-06 22:58:01,555 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1345400043] [2021-12-06 22:58:01,555 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-06 22:58:01,556 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-12-06 22:58:01,556 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:58:01,557 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-12-06 22:58:01,557 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=138, Unknown=0, NotChecked=0, Total=182 [2021-12-06 22:58:01,557 INFO L87 Difference]: Start difference. First operand 7668 states and 10916 transitions. Second operand has 14 states, 14 states have (on average 7.857142857142857) internal successors, (110), 10 states have internal predecessors, (110), 2 states have call successors, (71), 6 states have call predecessors, (71), 4 states have return successors, (46), 2 states have call predecessors, (46), 2 states have call successors, (46) [2021-12-06 22:58:03,538 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.98s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:58:05,553 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:58:11,988 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:58:12,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 22:58:12,101 INFO L93 Difference]: Finished difference Result 16348 states and 23542 transitions. [2021-12-06 22:58:12,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-12-06 22:58:12,101 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 7.857142857142857) internal successors, (110), 10 states have internal predecessors, (110), 2 states have call successors, (71), 6 states have call predecessors, (71), 4 states have return successors, (46), 2 states have call predecessors, (46), 2 states have call successors, (46) Word has length 312 [2021-12-06 22:58:12,101 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 22:58:12,124 INFO L225 Difference]: With dead ends: 16348 [2021-12-06 22:58:12,124 INFO L226 Difference]: Without dead ends: 8700 [2021-12-06 22:58:12,139 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 733 GetRequests, 711 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 115 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=128, Invalid=424, Unknown=0, NotChecked=0, Total=552 [2021-12-06 22:58:12,139 INFO L933 BasicCegarLoop]: 1737 mSDtfsCounter, 1095 mSDsluCounter, 6745 mSDsCounter, 0 mSdLazyCounter, 1949 mSolverCounterSat, 1653 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1131 SdHoareTripleChecker+Valid, 8482 SdHoareTripleChecker+Invalid, 3604 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1653 IncrementalHoareTripleChecker+Valid, 1949 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.2s IncrementalHoareTripleChecker+Time [2021-12-06 22:58:12,140 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1131 Valid, 8482 Invalid, 3604 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1653 Valid, 1949 Invalid, 2 Unknown, 0 Unchecked, 10.2s Time] [2021-12-06 22:58:12,148 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8700 states. [2021-12-06 22:58:12,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8700 to 7671. [2021-12-06 22:58:12,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7671 states, 5539 states have (on average 1.3627008485286152) internal successors, (7548), 5611 states have internal predecessors, (7548), 1686 states have call successors, (1686), 454 states have call predecessors, (1686), 445 states have return successors, (1685), 1652 states have call predecessors, (1685), 1685 states have call successors, (1685) [2021-12-06 22:58:12,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7671 states to 7671 states and 10919 transitions. [2021-12-06 22:58:12,353 INFO L78 Accepts]: Start accepts. Automaton has 7671 states and 10919 transitions. Word has length 312 [2021-12-06 22:58:12,354 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 22:58:12,354 INFO L470 AbstractCegarLoop]: Abstraction has 7671 states and 10919 transitions. [2021-12-06 22:58:12,354 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 7.857142857142857) internal successors, (110), 10 states have internal predecessors, (110), 2 states have call successors, (71), 6 states have call predecessors, (71), 4 states have return successors, (46), 2 states have call predecessors, (46), 2 states have call successors, (46) [2021-12-06 22:58:12,354 INFO L276 IsEmpty]: Start isEmpty. Operand 7671 states and 10919 transitions. [2021-12-06 22:58:12,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 339 [2021-12-06 22:58:12,357 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 22:58:12,357 INFO L514 BasicCegarLoop]: trace histogram [36, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 9, 9, 9, 9, 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] [2021-12-06 22:58:12,389 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0687c60f-dd5c-4443-9d57-78d3c929a1c6/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2021-12-06 22:58:12,557 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0687c60f-dd5c-4443-9d57-78d3c929a1c6/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 22:58:12,558 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 22:58:12,558 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:58:12,558 INFO L85 PathProgramCache]: Analyzing trace with hash 1695421441, now seen corresponding path program 1 times [2021-12-06 22:58:12,558 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:58:12,558 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [274198058] [2021-12-06 22:58:12,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:58:12,559 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:58:13,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 22:58:13,905 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 22:58:14,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 22:58:15,086 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 22:58:15,086 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-12-06 22:58:15,087 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-12-06 22:58:15,088 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-12-06 22:58:15,090 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 22:58:15,093 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-06 22:58:15,142 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-06 22:58:15,143 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-06 22:58:15,143 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-06 22:58:15,143 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-06 22:58:15,143 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-06 22:58:15,144 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-06 22:58:15,144 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-06 22:58:15,144 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-06 22:58:15,144 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-06 22:58:15,144 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-06 22:58:15,144 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-06 22:58:15,144 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-06 22:58:15,145 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-06 22:58:15,145 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-12-06 22:58:15,145 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-12-06 22:58:15,145 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-06 22:58:15,145 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-06 22:58:15,145 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-12-06 22:58:15,145 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-12-06 22:58:15,145 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-06 22:58:15,146 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-06 22:58:15,146 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-06 22:58:15,146 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-06 22:58:15,147 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-06 22:58:15,147 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-06 22:58:15,147 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-06 22:58:15,147 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-06 22:58:15,147 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-06 22:58:15,147 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-06 22:58:15,147 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-06 22:58:15,148 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-06 22:58:15,148 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-06 22:58:15,148 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-06 22:58:15,148 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-12-06 22:58:15,148 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-12-06 22:58:15,148 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-06 22:58:15,148 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-06 22:58:15,148 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-12-06 22:58:15,148 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-12-06 22:58:15,149 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-06 22:58:15,149 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-06 22:58:15,149 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-06 22:58:15,149 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-06 22:58:15,150 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-06 22:58:15,150 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-06 22:58:15,150 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-06 22:58:15,150 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-06 22:58:15,150 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-06 22:58:15,150 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-06 22:58:15,150 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-06 22:58:15,150 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-06 22:58:15,151 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-06 22:58:15,151 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-06 22:58:15,151 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-12-06 22:58:15,151 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-12-06 22:58:15,151 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-06 22:58:15,151 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-06 22:58:15,151 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-12-06 22:58:15,151 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-12-06 22:58:15,151 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-06 22:58:15,152 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-06 22:58:15,152 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-06 22:58:15,152 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-06 22:58:15,152 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-06 22:58:15,152 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-06 22:58:15,152 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-06 22:58:15,153 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-06 22:58:15,153 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-06 22:58:15,153 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-06 22:58:15,153 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-06 22:58:15,153 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-06 22:58:15,153 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-06 22:58:15,153 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-06 22:58:15,153 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-12-06 22:58:15,153 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-12-06 22:58:15,154 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-06 22:58:15,154 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-06 22:58:15,154 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-12-06 22:58:15,154 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-12-06 22:58:15,154 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-06 22:58:15,154 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-06 22:58:15,155 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-06 22:58:15,155 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-06 22:58:15,155 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-06 22:58:15,155 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-06 22:58:15,155 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-06 22:58:15,155 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-06 22:58:15,155 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-06 22:58:15,155 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-06 22:58:15,156 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-06 22:58:15,156 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-06 22:58:15,156 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-06 22:58:15,156 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-06 22:58:15,156 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-12-06 22:58:15,156 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-12-06 22:58:15,156 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-06 22:58:15,156 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-06 22:58:15,156 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-12-06 22:58:15,156 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-12-06 22:58:15,157 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-06 22:58:15,157 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-06 22:58:15,157 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-06 22:58:15,157 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-06 22:58:15,157 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-06 22:58:15,158 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-06 22:58:15,158 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-06 22:58:15,158 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-06 22:58:15,158 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-06 22:58:15,158 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-06 22:58:15,158 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-06 22:58:15,158 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-06 22:58:15,158 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-06 22:58:15,159 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-06 22:58:15,159 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-12-06 22:58:15,159 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-12-06 22:58:15,159 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-06 22:58:15,159 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-06 22:58:15,159 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-12-06 22:58:15,159 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-12-06 22:58:15,159 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-06 22:58:15,160 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-06 22:58:15,160 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-06 22:58:15,160 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-06 22:58:15,160 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-06 22:58:15,160 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-06 22:58:15,160 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-06 22:58:15,160 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-06 22:58:15,161 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-06 22:58:15,161 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-06 22:58:15,161 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-06 22:58:15,161 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-06 22:58:15,161 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-06 22:58:15,161 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-06 22:58:15,161 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-12-06 22:58:15,161 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-12-06 22:58:15,161 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-06 22:58:15,162 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-06 22:58:15,162 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-12-06 22:58:15,162 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-12-06 22:58:15,162 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-06 22:58:15,162 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-06 22:58:15,162 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-06 22:58:15,163 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-06 22:58:15,163 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-06 22:58:15,163 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-06 22:58:15,163 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-06 22:58:15,163 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-06 22:58:15,163 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-06 22:58:15,163 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-06 22:58:15,163 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-06 22:58:15,164 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-06 22:58:15,164 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-06 22:58:15,164 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-06 22:58:15,164 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-12-06 22:58:15,164 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-12-06 22:58:15,164 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-06 22:58:15,164 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-06 22:58:15,164 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-12-06 22:58:15,164 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-12-06 22:58:15,164 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-06 22:58:15,165 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-06 22:58:15,165 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-06 22:58:15,165 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-06 22:58:15,165 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-06 22:58:15,165 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-06 22:58:15,166 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-06 22:58:15,166 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-06 22:58:15,166 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-06 22:58:15,166 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-06 22:58:15,166 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-06 22:58:15,166 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-06 22:58:15,166 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-06 22:58:15,166 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-06 22:58:15,167 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-12-06 22:58:15,167 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-12-06 22:58:15,167 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-06 22:58:15,167 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-06 22:58:15,167 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-12-06 22:58:15,167 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-12-06 22:58:15,167 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-12-06 22:58:15,336 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.12 10:58:15 BoogieIcfgContainer [2021-12-06 22:58:15,336 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-06 22:58:15,337 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-06 22:58:15,337 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-06 22:58:15,337 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-06 22:58:15,337 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 10:56:18" (3/4) ... [2021-12-06 22:58:15,339 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-12-06 22:58:15,339 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-06 22:58:15,340 INFO L158 Benchmark]: Toolchain (without parser) took 127666.68ms. Allocated memory was 100.7MB in the beginning and 459.3MB in the end (delta: 358.6MB). Free memory was 59.0MB in the beginning and 107.1MB in the end (delta: -48.1MB). Peak memory consumption was 310.2MB. Max. memory is 16.1GB. [2021-12-06 22:58:15,340 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 73.4MB. Free memory was 52.5MB in the beginning and 52.4MB in the end (delta: 29.4kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-06 22:58:15,340 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1395.51ms. Allocated memory was 100.7MB in the beginning and 121.6MB in the end (delta: 21.0MB). Free memory was 58.7MB in the beginning and 56.6MB in the end (delta: 2.1MB). Peak memory consumption was 36.5MB. Max. memory is 16.1GB. [2021-12-06 22:58:15,340 INFO L158 Benchmark]: Boogie Procedure Inliner took 181.23ms. Allocated memory is still 121.6MB. Free memory was 56.6MB in the beginning and 61.3MB in the end (delta: -4.7MB). Peak memory consumption was 18.0MB. Max. memory is 16.1GB. [2021-12-06 22:58:15,341 INFO L158 Benchmark]: Boogie Preprocessor took 132.82ms. Allocated memory is still 121.6MB. Free memory was 61.3MB in the beginning and 59.3MB in the end (delta: 2.0MB). Peak memory consumption was 31.4MB. Max. memory is 16.1GB. [2021-12-06 22:58:15,341 INFO L158 Benchmark]: RCFGBuilder took 9309.74ms. Allocated memory was 121.6MB in the beginning and 459.3MB in the end (delta: 337.6MB). Free memory was 59.3MB in the beginning and 300.2MB in the end (delta: -240.9MB). Peak memory consumption was 283.7MB. Max. memory is 16.1GB. [2021-12-06 22:58:15,341 INFO L158 Benchmark]: TraceAbstraction took 116639.85ms. Allocated memory is still 459.3MB. Free memory was 300.2MB in the beginning and 107.6MB in the end (delta: 192.6MB). Peak memory consumption was 228.8MB. Max. memory is 16.1GB. [2021-12-06 22:58:15,341 INFO L158 Benchmark]: Witness Printer took 2.65ms. Allocated memory is still 459.3MB. Free memory was 107.6MB in the beginning and 107.1MB in the end (delta: 452.9kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-06 22:58:15,343 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 73.4MB. Free memory was 52.5MB in the beginning and 52.4MB in the end (delta: 29.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1395.51ms. Allocated memory was 100.7MB in the beginning and 121.6MB in the end (delta: 21.0MB). Free memory was 58.7MB in the beginning and 56.6MB in the end (delta: 2.1MB). Peak memory consumption was 36.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 181.23ms. Allocated memory is still 121.6MB. Free memory was 56.6MB in the beginning and 61.3MB in the end (delta: -4.7MB). Peak memory consumption was 18.0MB. Max. memory is 16.1GB. * Boogie Preprocessor took 132.82ms. Allocated memory is still 121.6MB. Free memory was 61.3MB in the beginning and 59.3MB in the end (delta: 2.0MB). Peak memory consumption was 31.4MB. Max. memory is 16.1GB. * RCFGBuilder took 9309.74ms. Allocated memory was 121.6MB in the beginning and 459.3MB in the end (delta: 337.6MB). Free memory was 59.3MB in the beginning and 300.2MB in the end (delta: -240.9MB). Peak memory consumption was 283.7MB. Max. memory is 16.1GB. * TraceAbstraction took 116639.85ms. Allocated memory is still 459.3MB. Free memory was 300.2MB in the beginning and 107.6MB in the end (delta: 192.6MB). Peak memory consumption was 228.8MB. Max. memory is 16.1GB. * Witness Printer took 2.65ms. Allocated memory is still 459.3MB. Free memory was 107.6MB in the beginning and 107.1MB in the end (delta: 452.9kB). 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_#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_#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_#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_#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_#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_#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_#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_#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_#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_#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_#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_#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_#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_#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_#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_#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_#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_#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_#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_#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_#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_#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_#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_#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_#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_#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: 7317]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of large string literal at line 6148, overapproximation of bitwiseAnd at line 7360. Possible FailurePath: [L4235] struct tty_struct *digi_acceleport_2_device_group3 ; [L4236] struct urb *digi_acceleport_2_device_group0 ; [L4237] int LDV_IN_INTERRUPT = 1; [L4238] struct work_struct *ldv_work_struct_1_0 ; [L4239] struct work_struct *ldv_work_struct_1_1 ; [L4240] struct tty_struct *digi_acceleport_4_device_group3 ; [L4241] struct work_struct *ldv_work_struct_1_2 ; [L4242] struct work_struct *ldv_work_struct_1_3 ; [L4243] int ldv_work_1_3 ; [L4244] int ldv_state_variable_0 ; [L4245] struct urb *digi_acceleport_4_device_group0 ; [L4246] int ldv_state_variable_3 ; [L4247] int ldv_work_1_1 ; [L4248] int ldv_state_variable_2 ; [L4249] struct usb_serial_port *digi_acceleport_4_device_group1 ; [L4250] int ref_cnt ; [L4251] struct usb_serial *digi_acceleport_2_device_group2 ; [L4252] int ldv_work_1_0 ; [L4253] int ldv_state_variable_1 ; [L4254] struct usb_serial_port *digi_acceleport_2_device_group1 ; [L4255] struct usb_serial *digi_acceleport_4_device_group2 ; [L4256] int ldv_work_1_2 ; [L4413-L4418] static struct usb_device_id const id_table_combined[3U] = { {3U, 1477U, 2U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 1477U, 4U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}}; [L4419-L4421] static struct usb_device_id const id_table_2[2U] = { {3U, 1477U, 2U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}}; [L4422-L4424] static struct usb_device_id const id_table_4[2U] = { {3U, 1477U, 4U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}}; [L4425] struct usb_device_id const __mod_usb__id_table_combined_device_table[3U] ; [L4426-L4434] static struct usb_serial_driver digi_acceleport_2_device = {"Digi 2 port USB adapter", (struct usb_device_id const *)(& id_table_2), 3, {0, 0}, {"digi_2", 0, & __this_module, 0, (_Bool)0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}, 0, {{{{{{0}}, 0U, 0U, 0, {0, {0, 0}, 0, 0, 0UL}}}}, {0, 0}}, 0UL, 0UL, 0, & digi_startup, 0, & digi_disconnect, & digi_release, & digi_port_probe, & digi_port_remove, 0, 0, 0, & digi_open, & digi_close, & digi_write, & digi_write_room, 0, & digi_set_termios, & digi_break_ctl, & digi_chars_in_buffer, 0, 0, & digi_rx_throttle, & digi_rx_unthrottle, & digi_tiocmget, & digi_tiocmset, 0, 0, & digi_dtr_rts, 0, 0, 0, 0, & digi_read_bulk_callback, & digi_write_bulk_callback, 0, 0}; [L4435-L4443] static struct usb_serial_driver digi_acceleport_4_device = {"Digi 4 port USB adapter", (struct usb_device_id const *)(& id_table_4), 4, {0, 0}, {"digi_4", 0, & __this_module, 0, (_Bool)0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}, 0, {{{{{{0}}, 0U, 0U, 0, {0, {0, 0}, 0, 0, 0UL}}}}, {0, 0}}, 0UL, 0UL, 0, & digi_startup, 0, & digi_disconnect, & digi_release, & digi_port_probe, & digi_port_remove, 0, 0, 0, & digi_open, & digi_close, & digi_write, & digi_write_room, 0, & digi_set_termios, & digi_break_ctl, & digi_chars_in_buffer, 0, 0, & digi_rx_throttle, & digi_rx_unthrottle, & digi_tiocmget, & digi_tiocmset, 0, 0, 0, 0, 0, 0, 0, & digi_read_bulk_callback, & digi_write_bulk_callback, 0, 0}; [L4444] static struct usb_serial_driver * const serial_drivers[3U] = { & digi_acceleport_2_device, & digi_acceleport_4_device, (struct usb_serial_driver *)0}; [L6159] int ldv_retval_2 ; [L6160] int ldv_retval_0 ; [L6161] int ldv_retval_4 ; [L6163] int ldv_retval_1 ; [L6167] int ldv_retval_3 ; [L7356] int ldv_spin = 0; VAL [__this_module={3058:3021}, digi_acceleport_2_device={139:0}, digi_acceleport_2_device_group0={0:0}, digi_acceleport_2_device_group1={0:0}, digi_acceleport_2_device_group2={0:0}, digi_acceleport_2_device_group3={0:0}, digi_acceleport_4_device={140:0}, digi_acceleport_4_device_group0={0:0}, digi_acceleport_4_device_group1={0:0}, digi_acceleport_4_device_group2={0:0}, digi_acceleport_4_device_group3={0:0}, id_table_2={137:0}, id_table_4={138:0}, id_table_combined={136:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_spin=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_work_1_0=0, ldv_work_1_1=0, ldv_work_1_2=0, ldv_work_1_3=0, ldv_work_struct_1_0={0:0}, ldv_work_struct_1_1={0:0}, ldv_work_struct_1_2={0:0}, ldv_work_struct_1_3={0:0}, ref_cnt=0, serial_drivers={141:0}] [L6365] int ldvarg1 ; [L6366] unsigned int ldvarg4 ; [L6367] unsigned int ldvarg3 ; [L6368] int ldvarg0 ; [L6369] struct ktermios *ldvarg5 ; [L6370] void *tmp ; [L6371] unsigned char *ldvarg2 ; [L6372] void *tmp___0 ; [L6373] int ldvarg6 ; [L6374] int ldvarg8 ; [L6375] unsigned int ldvarg11 ; [L6376] int ldvarg7 ; [L6377] unsigned int ldvarg10 ; [L6378] struct ktermios *ldvarg12 ; [L6379] void *tmp___1 ; [L6380] unsigned char *ldvarg9 ; [L6381] void *tmp___2 ; [L6382] int tmp___3 ; [L6383] int tmp___4 ; [L6384] int tmp___5 ; [L6385] int tmp___6 ; VAL [__this_module={3058:3021}, digi_acceleport_2_device={139:0}, digi_acceleport_2_device_group0={0:0}, digi_acceleport_2_device_group1={0:0}, digi_acceleport_2_device_group2={0:0}, digi_acceleport_2_device_group3={0:0}, digi_acceleport_4_device={140:0}, digi_acceleport_4_device_group0={0:0}, digi_acceleport_4_device_group1={0:0}, digi_acceleport_4_device_group2={0:0}, digi_acceleport_4_device_group3={0:0}, id_table_2={137:0}, id_table_4={138:0}, id_table_combined={136:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_spin=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_work_1_0=0, ldv_work_1_1=0, ldv_work_1_2=0, ldv_work_1_3=0, ldv_work_struct_1_0={0:0}, ldv_work_struct_1_1={0:0}, ldv_work_struct_1_2={0:0}, ldv_work_struct_1_3={0:0}, ldvarg0={143:0}, ldvarg1={152:0}, ldvarg10={145:0}, ldvarg11={149:0}, ldvarg3={148:0}, ldvarg4={147:0}, ldvarg6={144:0}, ldvarg7={146:0}, ldvarg8={151:0}, ref_cnt=0, serial_drivers={141:0}] [L6387] CALL, EXPR ldv_init_zalloc(44UL) VAL [\old(size)=44, __this_module={3058:3021}, digi_acceleport_2_device={139:0}, digi_acceleport_2_device_group0={0:0}, digi_acceleport_2_device_group1={0:0}, digi_acceleport_2_device_group2={0:0}, digi_acceleport_2_device_group3={0:0}, digi_acceleport_4_device={140:0}, digi_acceleport_4_device_group0={0:0}, digi_acceleport_4_device_group1={0:0}, digi_acceleport_4_device_group2={0:0}, digi_acceleport_4_device_group3={0:0}, id_table_2={137:0}, id_table_4={138:0}, id_table_combined={136:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_spin=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_work_1_0=0, ldv_work_1_1=0, ldv_work_1_2=0, ldv_work_1_3=0, ldv_work_struct_1_0={0:0}, ldv_work_struct_1_1={0:0}, ldv_work_struct_1_2={0:0}, ldv_work_struct_1_3={0:0}, ref_cnt=0, serial_drivers={141:0}] [L4006] void *p ; [L4007] void *tmp ; [L4009] EXPR, FCALL calloc(1UL, size) VAL [\old(size)=44, __this_module={3058:3021}, calloc(1UL, size)={-166020696663385964545:0}, digi_acceleport_2_device={139:0}, digi_acceleport_2_device_group0={0:0}, digi_acceleport_2_device_group1={0:0}, digi_acceleport_2_device_group2={0:0}, digi_acceleport_2_device_group3={0:0}, digi_acceleport_4_device={140:0}, digi_acceleport_4_device_group0={0:0}, digi_acceleport_4_device_group1={0:0}, digi_acceleport_4_device_group2={0:0}, digi_acceleport_4_device_group3={0:0}, id_table_2={137:0}, id_table_4={138:0}, id_table_combined={136:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_spin=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_work_1_0=0, ldv_work_1_1=0, ldv_work_1_2=0, ldv_work_1_3=0, ldv_work_struct_1_0={0:0}, ldv_work_struct_1_1={0:0}, ldv_work_struct_1_2={0:0}, ldv_work_struct_1_3={0:0}, ref_cnt=0, serial_drivers={141:0}, size=44] [L4009] tmp = calloc(1UL, size) [L4010] p = tmp VAL [\old(size)=44, __this_module={3058:3021}, calloc(1UL, size)={-166020696663385964545:0}, digi_acceleport_2_device={139:0}, digi_acceleport_2_device_group0={0:0}, digi_acceleport_2_device_group1={0:0}, digi_acceleport_2_device_group2={0:0}, digi_acceleport_2_device_group3={0:0}, digi_acceleport_4_device={140:0}, digi_acceleport_4_device_group0={0:0}, digi_acceleport_4_device_group1={0:0}, digi_acceleport_4_device_group2={0:0}, digi_acceleport_4_device_group3={0:0}, id_table_2={137:0}, id_table_4={138:0}, id_table_combined={136:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_spin=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_work_1_0=0, ldv_work_1_1=0, ldv_work_1_2=0, ldv_work_1_3=0, ldv_work_struct_1_0={0:0}, ldv_work_struct_1_1={0:0}, ldv_work_struct_1_2={0:0}, ldv_work_struct_1_3={0:0}, p={-166020696663385964545:0}, ref_cnt=0, serial_drivers={141:0}, size=44, tmp={-166020696663385964545:0}] [L4011] CALL assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(cond)=1, __this_module={3058:3021}, digi_acceleport_2_device={139:0}, digi_acceleport_2_device_group0={0:0}, digi_acceleport_2_device_group1={0:0}, digi_acceleport_2_device_group2={0:0}, digi_acceleport_2_device_group3={0:0}, digi_acceleport_4_device={140:0}, digi_acceleport_4_device_group0={0:0}, digi_acceleport_4_device_group1={0:0}, digi_acceleport_4_device_group2={0:0}, digi_acceleport_4_device_group3={0:0}, id_table_2={137:0}, id_table_4={138:0}, id_table_combined={136:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_spin=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_work_1_0=0, ldv_work_1_1=0, ldv_work_1_2=0, ldv_work_1_3=0, ldv_work_struct_1_0={0:0}, ldv_work_struct_1_1={0:0}, ldv_work_struct_1_2={0:0}, ldv_work_struct_1_3={0:0}, ref_cnt=0, serial_drivers={141:0}] [L3968] COND FALSE !(!cond) VAL [\old(cond)=1, __this_module={3058:3021}, cond=1, digi_acceleport_2_device={139:0}, digi_acceleport_2_device_group0={0:0}, digi_acceleport_2_device_group1={0:0}, digi_acceleport_2_device_group2={0:0}, digi_acceleport_2_device_group3={0:0}, digi_acceleport_4_device={140:0}, digi_acceleport_4_device_group0={0:0}, digi_acceleport_4_device_group1={0:0}, digi_acceleport_4_device_group2={0:0}, digi_acceleport_4_device_group3={0:0}, id_table_2={137:0}, id_table_4={138:0}, id_table_combined={136:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_spin=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_work_1_0=0, ldv_work_1_1=0, ldv_work_1_2=0, ldv_work_1_3=0, ldv_work_struct_1_0={0:0}, ldv_work_struct_1_1={0:0}, ldv_work_struct_1_2={0:0}, ldv_work_struct_1_3={0:0}, ref_cnt=0, serial_drivers={141:0}] [L4011] RET assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(size)=44, __this_module={3058:3021}, calloc(1UL, size)={-166020696663385964545:0}, digi_acceleport_2_device={139:0}, digi_acceleport_2_device_group0={0:0}, digi_acceleport_2_device_group1={0:0}, digi_acceleport_2_device_group2={0:0}, digi_acceleport_2_device_group3={0:0}, digi_acceleport_4_device={140:0}, digi_acceleport_4_device_group0={0:0}, digi_acceleport_4_device_group1={0:0}, digi_acceleport_4_device_group2={0:0}, digi_acceleport_4_device_group3={0:0}, id_table_2={137:0}, id_table_4={138:0}, id_table_combined={136:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_spin=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_work_1_0=0, ldv_work_1_1=0, ldv_work_1_2=0, ldv_work_1_3=0, ldv_work_struct_1_0={0:0}, ldv_work_struct_1_1={0:0}, ldv_work_struct_1_2={0:0}, ldv_work_struct_1_3={0:0}, p={-166020696663385964545:0}, ref_cnt=0, serial_drivers={141:0}, size=44, tmp={-166020696663385964545:0}] [L4012] return (p); VAL [\old(size)=44, \result={-166020696663385964545:0}, __this_module={3058:3021}, calloc(1UL, size)={-166020696663385964545:0}, digi_acceleport_2_device={139:0}, digi_acceleport_2_device_group0={0:0}, digi_acceleport_2_device_group1={0:0}, digi_acceleport_2_device_group2={0:0}, digi_acceleport_2_device_group3={0:0}, digi_acceleport_4_device={140:0}, digi_acceleport_4_device_group0={0:0}, digi_acceleport_4_device_group1={0:0}, digi_acceleport_4_device_group2={0:0}, digi_acceleport_4_device_group3={0:0}, id_table_2={137:0}, id_table_4={138:0}, id_table_combined={136:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_spin=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_work_1_0=0, ldv_work_1_1=0, ldv_work_1_2=0, ldv_work_1_3=0, ldv_work_struct_1_0={0:0}, ldv_work_struct_1_1={0:0}, ldv_work_struct_1_2={0:0}, ldv_work_struct_1_3={0:0}, p={-166020696663385964545:0}, ref_cnt=0, serial_drivers={141:0}, size=44, tmp={-166020696663385964545:0}] [L6387] RET, EXPR ldv_init_zalloc(44UL) VAL [__this_module={3058:3021}, digi_acceleport_2_device={139:0}, digi_acceleport_2_device_group0={0:0}, digi_acceleport_2_device_group1={0:0}, digi_acceleport_2_device_group2={0:0}, digi_acceleport_2_device_group3={0:0}, digi_acceleport_4_device={140:0}, digi_acceleport_4_device_group0={0:0}, digi_acceleport_4_device_group1={0:0}, digi_acceleport_4_device_group2={0:0}, digi_acceleport_4_device_group3={0:0}, id_table_2={137:0}, id_table_4={138:0}, id_table_combined={136:0}, LDV_IN_INTERRUPT=1, ldv_init_zalloc(44UL)={-166020696663385964545:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_spin=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_work_1_0=0, ldv_work_1_1=0, ldv_work_1_2=0, ldv_work_1_3=0, ldv_work_struct_1_0={0:0}, ldv_work_struct_1_1={0:0}, ldv_work_struct_1_2={0:0}, ldv_work_struct_1_3={0:0}, ldvarg0={143:0}, ldvarg1={152:0}, ldvarg10={145:0}, ldvarg11={149:0}, ldvarg3={148:0}, ldvarg4={147:0}, ldvarg6={144:0}, ldvarg7={146:0}, ldvarg8={151:0}, ref_cnt=0, serial_drivers={141:0}] [L6387] tmp = ldv_init_zalloc(44UL) [L6388] ldvarg5 = (struct ktermios *)tmp VAL [__this_module={3058:3021}, digi_acceleport_2_device={139:0}, digi_acceleport_2_device_group0={0:0}, digi_acceleport_2_device_group1={0:0}, digi_acceleport_2_device_group2={0:0}, digi_acceleport_2_device_group3={0:0}, digi_acceleport_4_device={140:0}, digi_acceleport_4_device_group0={0:0}, digi_acceleport_4_device_group1={0:0}, digi_acceleport_4_device_group2={0:0}, digi_acceleport_4_device_group3={0:0}, id_table_2={137:0}, id_table_4={138:0}, id_table_combined={136:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_spin=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_work_1_0=0, ldv_work_1_1=0, ldv_work_1_2=0, ldv_work_1_3=0, ldv_work_struct_1_0={0:0}, ldv_work_struct_1_1={0:0}, ldv_work_struct_1_2={0:0}, ldv_work_struct_1_3={0:0}, ldvarg0={143:0}, ldvarg1={152:0}, ldvarg10={145:0}, ldvarg11={149:0}, ldvarg3={148:0}, ldvarg4={147:0}, ldvarg5={-166020696663385964545:0}, ldvarg6={144:0}, ldvarg7={146:0}, ldvarg8={151:0}, ref_cnt=0, serial_drivers={141:0}, tmp={-166020696663385964545:0}] [L6389] CALL, EXPR ldv_init_zalloc(1UL) VAL [\old(size)=1, __this_module={3058:3021}, digi_acceleport_2_device={139:0}, digi_acceleport_2_device_group0={0:0}, digi_acceleport_2_device_group1={0:0}, digi_acceleport_2_device_group2={0:0}, digi_acceleport_2_device_group3={0:0}, digi_acceleport_4_device={140:0}, digi_acceleport_4_device_group0={0:0}, digi_acceleport_4_device_group1={0:0}, digi_acceleport_4_device_group2={0:0}, digi_acceleport_4_device_group3={0:0}, id_table_2={137:0}, id_table_4={138:0}, id_table_combined={136:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_spin=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_work_1_0=0, ldv_work_1_1=0, ldv_work_1_2=0, ldv_work_1_3=0, ldv_work_struct_1_0={0:0}, ldv_work_struct_1_1={0:0}, ldv_work_struct_1_2={0:0}, ldv_work_struct_1_3={0:0}, ref_cnt=0, serial_drivers={141:0}] [L4006] void *p ; [L4007] void *tmp ; [L4009] EXPR, FCALL calloc(1UL, size) VAL [\old(size)=1, __this_module={3058:3021}, calloc(1UL, size)={-18446744073709551617:0}, digi_acceleport_2_device={139:0}, digi_acceleport_2_device_group0={0:0}, digi_acceleport_2_device_group1={0:0}, digi_acceleport_2_device_group2={0:0}, digi_acceleport_2_device_group3={0:0}, digi_acceleport_4_device={140:0}, digi_acceleport_4_device_group0={0:0}, digi_acceleport_4_device_group1={0:0}, digi_acceleport_4_device_group2={0:0}, digi_acceleport_4_device_group3={0:0}, id_table_2={137:0}, id_table_4={138:0}, id_table_combined={136:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_spin=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_work_1_0=0, ldv_work_1_1=0, ldv_work_1_2=0, ldv_work_1_3=0, ldv_work_struct_1_0={0:0}, ldv_work_struct_1_1={0:0}, ldv_work_struct_1_2={0:0}, ldv_work_struct_1_3={0:0}, ref_cnt=0, serial_drivers={141:0}, size=1] [L4009] tmp = calloc(1UL, size) [L4010] p = tmp VAL [\old(size)=1, __this_module={3058:3021}, calloc(1UL, size)={-18446744073709551617:0}, digi_acceleport_2_device={139:0}, digi_acceleport_2_device_group0={0:0}, digi_acceleport_2_device_group1={0:0}, digi_acceleport_2_device_group2={0:0}, digi_acceleport_2_device_group3={0:0}, digi_acceleport_4_device={140:0}, digi_acceleport_4_device_group0={0:0}, digi_acceleport_4_device_group1={0:0}, digi_acceleport_4_device_group2={0:0}, digi_acceleport_4_device_group3={0:0}, id_table_2={137:0}, id_table_4={138:0}, id_table_combined={136:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_spin=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_work_1_0=0, ldv_work_1_1=0, ldv_work_1_2=0, ldv_work_1_3=0, ldv_work_struct_1_0={0:0}, ldv_work_struct_1_1={0:0}, ldv_work_struct_1_2={0:0}, ldv_work_struct_1_3={0:0}, p={-18446744073709551617:0}, ref_cnt=0, serial_drivers={141:0}, size=1, tmp={-18446744073709551617:0}] [L4011] CALL assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(cond)=1, __this_module={3058:3021}, digi_acceleport_2_device={139:0}, digi_acceleport_2_device_group0={0:0}, digi_acceleport_2_device_group1={0:0}, digi_acceleport_2_device_group2={0:0}, digi_acceleport_2_device_group3={0:0}, digi_acceleport_4_device={140:0}, digi_acceleport_4_device_group0={0:0}, digi_acceleport_4_device_group1={0:0}, digi_acceleport_4_device_group2={0:0}, digi_acceleport_4_device_group3={0:0}, id_table_2={137:0}, id_table_4={138:0}, id_table_combined={136:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_spin=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_work_1_0=0, ldv_work_1_1=0, ldv_work_1_2=0, ldv_work_1_3=0, ldv_work_struct_1_0={0:0}, ldv_work_struct_1_1={0:0}, ldv_work_struct_1_2={0:0}, ldv_work_struct_1_3={0:0}, ref_cnt=0, serial_drivers={141:0}] [L3968] COND FALSE !(!cond) VAL [\old(cond)=1, __this_module={3058:3021}, cond=1, digi_acceleport_2_device={139:0}, digi_acceleport_2_device_group0={0:0}, digi_acceleport_2_device_group1={0:0}, digi_acceleport_2_device_group2={0:0}, digi_acceleport_2_device_group3={0:0}, digi_acceleport_4_device={140:0}, digi_acceleport_4_device_group0={0:0}, digi_acceleport_4_device_group1={0:0}, digi_acceleport_4_device_group2={0:0}, digi_acceleport_4_device_group3={0:0}, id_table_2={137:0}, id_table_4={138:0}, id_table_combined={136:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_spin=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_work_1_0=0, ldv_work_1_1=0, ldv_work_1_2=0, ldv_work_1_3=0, ldv_work_struct_1_0={0:0}, ldv_work_struct_1_1={0:0}, ldv_work_struct_1_2={0:0}, ldv_work_struct_1_3={0:0}, ref_cnt=0, serial_drivers={141:0}] [L4011] RET assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(size)=1, __this_module={3058:3021}, calloc(1UL, size)={-18446744073709551617:0}, digi_acceleport_2_device={139:0}, digi_acceleport_2_device_group0={0:0}, digi_acceleport_2_device_group1={0:0}, digi_acceleport_2_device_group2={0:0}, digi_acceleport_2_device_group3={0:0}, digi_acceleport_4_device={140:0}, digi_acceleport_4_device_group0={0:0}, digi_acceleport_4_device_group1={0:0}, digi_acceleport_4_device_group2={0:0}, digi_acceleport_4_device_group3={0:0}, id_table_2={137:0}, id_table_4={138:0}, id_table_combined={136:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_spin=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_work_1_0=0, ldv_work_1_1=0, ldv_work_1_2=0, ldv_work_1_3=0, ldv_work_struct_1_0={0:0}, ldv_work_struct_1_1={0:0}, ldv_work_struct_1_2={0:0}, ldv_work_struct_1_3={0:0}, p={-18446744073709551617:0}, ref_cnt=0, serial_drivers={141:0}, size=1, tmp={-18446744073709551617:0}] [L4012] return (p); VAL [\old(size)=1, \result={-18446744073709551617:0}, __this_module={3058:3021}, calloc(1UL, size)={-18446744073709551617:0}, digi_acceleport_2_device={139:0}, digi_acceleport_2_device_group0={0:0}, digi_acceleport_2_device_group1={0:0}, digi_acceleport_2_device_group2={0:0}, digi_acceleport_2_device_group3={0:0}, digi_acceleport_4_device={140:0}, digi_acceleport_4_device_group0={0:0}, digi_acceleport_4_device_group1={0:0}, digi_acceleport_4_device_group2={0:0}, digi_acceleport_4_device_group3={0:0}, id_table_2={137:0}, id_table_4={138:0}, id_table_combined={136:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_spin=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_work_1_0=0, ldv_work_1_1=0, ldv_work_1_2=0, ldv_work_1_3=0, ldv_work_struct_1_0={0:0}, ldv_work_struct_1_1={0:0}, ldv_work_struct_1_2={0:0}, ldv_work_struct_1_3={0:0}, p={-18446744073709551617:0}, ref_cnt=0, serial_drivers={141:0}, size=1, tmp={-18446744073709551617:0}] [L6389] RET, EXPR ldv_init_zalloc(1UL) VAL [__this_module={3058:3021}, digi_acceleport_2_device={139:0}, digi_acceleport_2_device_group0={0:0}, digi_acceleport_2_device_group1={0:0}, digi_acceleport_2_device_group2={0:0}, digi_acceleport_2_device_group3={0:0}, digi_acceleport_4_device={140:0}, digi_acceleport_4_device_group0={0:0}, digi_acceleport_4_device_group1={0:0}, digi_acceleport_4_device_group2={0:0}, digi_acceleport_4_device_group3={0:0}, id_table_2={137:0}, id_table_4={138:0}, id_table_combined={136:0}, LDV_IN_INTERRUPT=1, ldv_init_zalloc(1UL)={-18446744073709551617:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_spin=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_work_1_0=0, ldv_work_1_1=0, ldv_work_1_2=0, ldv_work_1_3=0, ldv_work_struct_1_0={0:0}, ldv_work_struct_1_1={0:0}, ldv_work_struct_1_2={0:0}, ldv_work_struct_1_3={0:0}, ldvarg0={143:0}, ldvarg1={152:0}, ldvarg10={145:0}, ldvarg11={149:0}, ldvarg3={148:0}, ldvarg4={147:0}, ldvarg5={-166020696663385964545:0}, ldvarg6={144:0}, ldvarg7={146:0}, ldvarg8={151:0}, ref_cnt=0, serial_drivers={141:0}, tmp={-166020696663385964545:0}] [L6389] tmp___0 = ldv_init_zalloc(1UL) [L6390] ldvarg2 = (unsigned char *)tmp___0 VAL [__this_module={3058:3021}, digi_acceleport_2_device={139:0}, digi_acceleport_2_device_group0={0:0}, digi_acceleport_2_device_group1={0:0}, digi_acceleport_2_device_group2={0:0}, digi_acceleport_2_device_group3={0:0}, digi_acceleport_4_device={140:0}, digi_acceleport_4_device_group0={0:0}, digi_acceleport_4_device_group1={0:0}, digi_acceleport_4_device_group2={0:0}, digi_acceleport_4_device_group3={0:0}, id_table_2={137:0}, id_table_4={138:0}, id_table_combined={136:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_spin=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_work_1_0=0, ldv_work_1_1=0, ldv_work_1_2=0, ldv_work_1_3=0, ldv_work_struct_1_0={0:0}, ldv_work_struct_1_1={0:0}, ldv_work_struct_1_2={0:0}, ldv_work_struct_1_3={0:0}, ldvarg0={143:0}, ldvarg1={152:0}, ldvarg10={145:0}, ldvarg11={149:0}, ldvarg2={-18446744073709551617:0}, ldvarg3={148:0}, ldvarg4={147:0}, ldvarg5={-166020696663385964545:0}, ldvarg6={144:0}, ldvarg7={146:0}, ldvarg8={151:0}, ref_cnt=0, serial_drivers={141:0}, tmp={-166020696663385964545:0}, tmp___0={-18446744073709551617:0}] [L6391] CALL, EXPR ldv_init_zalloc(44UL) VAL [\old(size)=44, __this_module={3058:3021}, digi_acceleport_2_device={139:0}, digi_acceleport_2_device_group0={0:0}, digi_acceleport_2_device_group1={0:0}, digi_acceleport_2_device_group2={0:0}, digi_acceleport_2_device_group3={0:0}, digi_acceleport_4_device={140:0}, digi_acceleport_4_device_group0={0:0}, digi_acceleport_4_device_group1={0:0}, digi_acceleport_4_device_group2={0:0}, digi_acceleport_4_device_group3={0:0}, id_table_2={137:0}, id_table_4={138:0}, id_table_combined={136:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_spin=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_work_1_0=0, ldv_work_1_1=0, ldv_work_1_2=0, ldv_work_1_3=0, ldv_work_struct_1_0={0:0}, ldv_work_struct_1_1={0:0}, ldv_work_struct_1_2={0:0}, ldv_work_struct_1_3={0:0}, ref_cnt=0, serial_drivers={141:0}] [L4006] void *p ; [L4007] void *tmp ; [L4009] EXPR, FCALL calloc(1UL, size) VAL [\old(size)=44, __this_module={3058:3021}, calloc(1UL, size)={-36893488147419103233:0}, digi_acceleport_2_device={139:0}, digi_acceleport_2_device_group0={0:0}, digi_acceleport_2_device_group1={0:0}, digi_acceleport_2_device_group2={0:0}, digi_acceleport_2_device_group3={0:0}, digi_acceleport_4_device={140:0}, digi_acceleport_4_device_group0={0:0}, digi_acceleport_4_device_group1={0:0}, digi_acceleport_4_device_group2={0:0}, digi_acceleport_4_device_group3={0:0}, id_table_2={137:0}, id_table_4={138:0}, id_table_combined={136:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_spin=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_work_1_0=0, ldv_work_1_1=0, ldv_work_1_2=0, ldv_work_1_3=0, ldv_work_struct_1_0={0:0}, ldv_work_struct_1_1={0:0}, ldv_work_struct_1_2={0:0}, ldv_work_struct_1_3={0:0}, ref_cnt=0, serial_drivers={141:0}, size=44] [L4009] tmp = calloc(1UL, size) [L4010] p = tmp VAL [\old(size)=44, __this_module={3058:3021}, calloc(1UL, size)={-36893488147419103233:0}, digi_acceleport_2_device={139:0}, digi_acceleport_2_device_group0={0:0}, digi_acceleport_2_device_group1={0:0}, digi_acceleport_2_device_group2={0:0}, digi_acceleport_2_device_group3={0:0}, digi_acceleport_4_device={140:0}, digi_acceleport_4_device_group0={0:0}, digi_acceleport_4_device_group1={0:0}, digi_acceleport_4_device_group2={0:0}, digi_acceleport_4_device_group3={0:0}, id_table_2={137:0}, id_table_4={138:0}, id_table_combined={136:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_spin=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_work_1_0=0, ldv_work_1_1=0, ldv_work_1_2=0, ldv_work_1_3=0, ldv_work_struct_1_0={0:0}, ldv_work_struct_1_1={0:0}, ldv_work_struct_1_2={0:0}, ldv_work_struct_1_3={0:0}, p={-36893488147419103233:0}, ref_cnt=0, serial_drivers={141:0}, size=44, tmp={-36893488147419103233:0}] [L4011] CALL assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(cond)=1, __this_module={3058:3021}, digi_acceleport_2_device={139:0}, digi_acceleport_2_device_group0={0:0}, digi_acceleport_2_device_group1={0:0}, digi_acceleport_2_device_group2={0:0}, digi_acceleport_2_device_group3={0:0}, digi_acceleport_4_device={140:0}, digi_acceleport_4_device_group0={0:0}, digi_acceleport_4_device_group1={0:0}, digi_acceleport_4_device_group2={0:0}, digi_acceleport_4_device_group3={0:0}, id_table_2={137:0}, id_table_4={138:0}, id_table_combined={136:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_spin=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_work_1_0=0, ldv_work_1_1=0, ldv_work_1_2=0, ldv_work_1_3=0, ldv_work_struct_1_0={0:0}, ldv_work_struct_1_1={0:0}, ldv_work_struct_1_2={0:0}, ldv_work_struct_1_3={0:0}, ref_cnt=0, serial_drivers={141:0}] [L3968] COND FALSE !(!cond) VAL [\old(cond)=1, __this_module={3058:3021}, cond=1, digi_acceleport_2_device={139:0}, digi_acceleport_2_device_group0={0:0}, digi_acceleport_2_device_group1={0:0}, digi_acceleport_2_device_group2={0:0}, digi_acceleport_2_device_group3={0:0}, digi_acceleport_4_device={140:0}, digi_acceleport_4_device_group0={0:0}, digi_acceleport_4_device_group1={0:0}, digi_acceleport_4_device_group2={0:0}, digi_acceleport_4_device_group3={0:0}, id_table_2={137:0}, id_table_4={138:0}, id_table_combined={136:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_spin=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_work_1_0=0, ldv_work_1_1=0, ldv_work_1_2=0, ldv_work_1_3=0, ldv_work_struct_1_0={0:0}, ldv_work_struct_1_1={0:0}, ldv_work_struct_1_2={0:0}, ldv_work_struct_1_3={0:0}, ref_cnt=0, serial_drivers={141:0}] [L4011] RET assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(size)=44, __this_module={3058:3021}, calloc(1UL, size)={-36893488147419103233:0}, digi_acceleport_2_device={139:0}, digi_acceleport_2_device_group0={0:0}, digi_acceleport_2_device_group1={0:0}, digi_acceleport_2_device_group2={0:0}, digi_acceleport_2_device_group3={0:0}, digi_acceleport_4_device={140:0}, digi_acceleport_4_device_group0={0:0}, digi_acceleport_4_device_group1={0:0}, digi_acceleport_4_device_group2={0:0}, digi_acceleport_4_device_group3={0:0}, id_table_2={137:0}, id_table_4={138:0}, id_table_combined={136:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_spin=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_work_1_0=0, ldv_work_1_1=0, ldv_work_1_2=0, ldv_work_1_3=0, ldv_work_struct_1_0={0:0}, ldv_work_struct_1_1={0:0}, ldv_work_struct_1_2={0:0}, ldv_work_struct_1_3={0:0}, p={-36893488147419103233:0}, ref_cnt=0, serial_drivers={141:0}, size=44, tmp={-36893488147419103233:0}] [L4012] return (p); VAL [\old(size)=44, \result={-36893488147419103233:0}, __this_module={3058:3021}, calloc(1UL, size)={-36893488147419103233:0}, digi_acceleport_2_device={139:0}, digi_acceleport_2_device_group0={0:0}, digi_acceleport_2_device_group1={0:0}, digi_acceleport_2_device_group2={0:0}, digi_acceleport_2_device_group3={0:0}, digi_acceleport_4_device={140:0}, digi_acceleport_4_device_group0={0:0}, digi_acceleport_4_device_group1={0:0}, digi_acceleport_4_device_group2={0:0}, digi_acceleport_4_device_group3={0:0}, id_table_2={137:0}, id_table_4={138:0}, id_table_combined={136:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_spin=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_work_1_0=0, ldv_work_1_1=0, ldv_work_1_2=0, ldv_work_1_3=0, ldv_work_struct_1_0={0:0}, ldv_work_struct_1_1={0:0}, ldv_work_struct_1_2={0:0}, ldv_work_struct_1_3={0:0}, p={-36893488147419103233:0}, ref_cnt=0, serial_drivers={141:0}, size=44, tmp={-36893488147419103233:0}] [L6391] RET, EXPR ldv_init_zalloc(44UL) VAL [__this_module={3058:3021}, digi_acceleport_2_device={139:0}, digi_acceleport_2_device_group0={0:0}, digi_acceleport_2_device_group1={0:0}, digi_acceleport_2_device_group2={0:0}, digi_acceleport_2_device_group3={0:0}, digi_acceleport_4_device={140:0}, digi_acceleport_4_device_group0={0:0}, digi_acceleport_4_device_group1={0:0}, digi_acceleport_4_device_group2={0:0}, digi_acceleport_4_device_group3={0:0}, id_table_2={137:0}, id_table_4={138:0}, id_table_combined={136:0}, LDV_IN_INTERRUPT=1, ldv_init_zalloc(44UL)={-36893488147419103233:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_spin=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_work_1_0=0, ldv_work_1_1=0, ldv_work_1_2=0, ldv_work_1_3=0, ldv_work_struct_1_0={0:0}, ldv_work_struct_1_1={0:0}, ldv_work_struct_1_2={0:0}, ldv_work_struct_1_3={0:0}, ldvarg0={143:0}, ldvarg1={152:0}, ldvarg10={145:0}, ldvarg11={149:0}, ldvarg2={-18446744073709551617:0}, ldvarg3={148:0}, ldvarg4={147:0}, ldvarg5={-166020696663385964545:0}, ldvarg6={144:0}, ldvarg7={146:0}, ldvarg8={151:0}, ref_cnt=0, serial_drivers={141:0}, tmp={-166020696663385964545:0}, tmp___0={-18446744073709551617:0}] [L6391] tmp___1 = ldv_init_zalloc(44UL) [L6392] ldvarg12 = (struct ktermios *)tmp___1 VAL [__this_module={3058:3021}, digi_acceleport_2_device={139:0}, digi_acceleport_2_device_group0={0:0}, digi_acceleport_2_device_group1={0:0}, digi_acceleport_2_device_group2={0:0}, digi_acceleport_2_device_group3={0:0}, digi_acceleport_4_device={140:0}, digi_acceleport_4_device_group0={0:0}, digi_acceleport_4_device_group1={0:0}, digi_acceleport_4_device_group2={0:0}, digi_acceleport_4_device_group3={0:0}, id_table_2={137:0}, id_table_4={138:0}, id_table_combined={136:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_spin=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_work_1_0=0, ldv_work_1_1=0, ldv_work_1_2=0, ldv_work_1_3=0, ldv_work_struct_1_0={0:0}, ldv_work_struct_1_1={0:0}, ldv_work_struct_1_2={0:0}, ldv_work_struct_1_3={0:0}, ldvarg0={143:0}, ldvarg1={152:0}, ldvarg10={145:0}, ldvarg11={149:0}, ldvarg12={-36893488147419103233:0}, ldvarg2={-18446744073709551617:0}, ldvarg3={148:0}, ldvarg4={147:0}, ldvarg5={-166020696663385964545:0}, ldvarg6={144:0}, ldvarg7={146:0}, ldvarg8={151:0}, ref_cnt=0, serial_drivers={141:0}, tmp={-166020696663385964545:0}, tmp___0={-18446744073709551617:0}, tmp___1={-36893488147419103233:0}] [L6393] CALL, EXPR ldv_init_zalloc(1UL) VAL [\old(size)=1, __this_module={3058:3021}, digi_acceleport_2_device={139:0}, digi_acceleport_2_device_group0={0:0}, digi_acceleport_2_device_group1={0:0}, digi_acceleport_2_device_group2={0:0}, digi_acceleport_2_device_group3={0:0}, digi_acceleport_4_device={140:0}, digi_acceleport_4_device_group0={0:0}, digi_acceleport_4_device_group1={0:0}, digi_acceleport_4_device_group2={0:0}, digi_acceleport_4_device_group3={0:0}, id_table_2={137:0}, id_table_4={138:0}, id_table_combined={136:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_spin=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_work_1_0=0, ldv_work_1_1=0, ldv_work_1_2=0, ldv_work_1_3=0, ldv_work_struct_1_0={0:0}, ldv_work_struct_1_1={0:0}, ldv_work_struct_1_2={0:0}, ldv_work_struct_1_3={0:0}, ref_cnt=0, serial_drivers={141:0}] [L4006] void *p ; [L4007] void *tmp ; [L4009] EXPR, FCALL calloc(1UL, size) VAL [\old(size)=1, __this_module={3058:3021}, calloc(1UL, size)={-184467440737095516161:0}, digi_acceleport_2_device={139:0}, digi_acceleport_2_device_group0={0:0}, digi_acceleport_2_device_group1={0:0}, digi_acceleport_2_device_group2={0:0}, digi_acceleport_2_device_group3={0:0}, digi_acceleport_4_device={140:0}, digi_acceleport_4_device_group0={0:0}, digi_acceleport_4_device_group1={0:0}, digi_acceleport_4_device_group2={0:0}, digi_acceleport_4_device_group3={0:0}, id_table_2={137:0}, id_table_4={138:0}, id_table_combined={136:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_spin=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_work_1_0=0, ldv_work_1_1=0, ldv_work_1_2=0, ldv_work_1_3=0, ldv_work_struct_1_0={0:0}, ldv_work_struct_1_1={0:0}, ldv_work_struct_1_2={0:0}, ldv_work_struct_1_3={0:0}, ref_cnt=0, serial_drivers={141:0}, size=1] [L4009] tmp = calloc(1UL, size) [L4010] p = tmp VAL [\old(size)=1, __this_module={3058:3021}, calloc(1UL, size)={-184467440737095516161:0}, digi_acceleport_2_device={139:0}, digi_acceleport_2_device_group0={0:0}, digi_acceleport_2_device_group1={0:0}, digi_acceleport_2_device_group2={0:0}, digi_acceleport_2_device_group3={0:0}, digi_acceleport_4_device={140:0}, digi_acceleport_4_device_group0={0:0}, digi_acceleport_4_device_group1={0:0}, digi_acceleport_4_device_group2={0:0}, digi_acceleport_4_device_group3={0:0}, id_table_2={137:0}, id_table_4={138:0}, id_table_combined={136:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_spin=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_work_1_0=0, ldv_work_1_1=0, ldv_work_1_2=0, ldv_work_1_3=0, ldv_work_struct_1_0={0:0}, ldv_work_struct_1_1={0:0}, ldv_work_struct_1_2={0:0}, ldv_work_struct_1_3={0:0}, p={-184467440737095516161:0}, ref_cnt=0, serial_drivers={141:0}, size=1, tmp={-184467440737095516161:0}] [L4011] CALL assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(cond)=1, __this_module={3058:3021}, digi_acceleport_2_device={139:0}, digi_acceleport_2_device_group0={0:0}, digi_acceleport_2_device_group1={0:0}, digi_acceleport_2_device_group2={0:0}, digi_acceleport_2_device_group3={0:0}, digi_acceleport_4_device={140:0}, digi_acceleport_4_device_group0={0:0}, digi_acceleport_4_device_group1={0:0}, digi_acceleport_4_device_group2={0:0}, digi_acceleport_4_device_group3={0:0}, id_table_2={137:0}, id_table_4={138:0}, id_table_combined={136:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_spin=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_work_1_0=0, ldv_work_1_1=0, ldv_work_1_2=0, ldv_work_1_3=0, ldv_work_struct_1_0={0:0}, ldv_work_struct_1_1={0:0}, ldv_work_struct_1_2={0:0}, ldv_work_struct_1_3={0:0}, ref_cnt=0, serial_drivers={141:0}] [L3968] COND FALSE !(!cond) VAL [\old(cond)=1, __this_module={3058:3021}, cond=1, digi_acceleport_2_device={139:0}, digi_acceleport_2_device_group0={0:0}, digi_acceleport_2_device_group1={0:0}, digi_acceleport_2_device_group2={0:0}, digi_acceleport_2_device_group3={0:0}, digi_acceleport_4_device={140:0}, digi_acceleport_4_device_group0={0:0}, digi_acceleport_4_device_group1={0:0}, digi_acceleport_4_device_group2={0:0}, digi_acceleport_4_device_group3={0:0}, id_table_2={137:0}, id_table_4={138:0}, id_table_combined={136:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_spin=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_work_1_0=0, ldv_work_1_1=0, ldv_work_1_2=0, ldv_work_1_3=0, ldv_work_struct_1_0={0:0}, ldv_work_struct_1_1={0:0}, ldv_work_struct_1_2={0:0}, ldv_work_struct_1_3={0:0}, ref_cnt=0, serial_drivers={141:0}] [L4011] RET assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(size)=1, __this_module={3058:3021}, calloc(1UL, size)={-184467440737095516161:0}, digi_acceleport_2_device={139:0}, digi_acceleport_2_device_group0={0:0}, digi_acceleport_2_device_group1={0:0}, digi_acceleport_2_device_group2={0:0}, digi_acceleport_2_device_group3={0:0}, digi_acceleport_4_device={140:0}, digi_acceleport_4_device_group0={0:0}, digi_acceleport_4_device_group1={0:0}, digi_acceleport_4_device_group2={0:0}, digi_acceleport_4_device_group3={0:0}, id_table_2={137:0}, id_table_4={138:0}, id_table_combined={136:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_spin=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_work_1_0=0, ldv_work_1_1=0, ldv_work_1_2=0, ldv_work_1_3=0, ldv_work_struct_1_0={0:0}, ldv_work_struct_1_1={0:0}, ldv_work_struct_1_2={0:0}, ldv_work_struct_1_3={0:0}, p={-184467440737095516161:0}, ref_cnt=0, serial_drivers={141:0}, size=1, tmp={-184467440737095516161:0}] [L4012] return (p); VAL [\old(size)=1, \result={-184467440737095516161:0}, __this_module={3058:3021}, calloc(1UL, size)={-184467440737095516161:0}, digi_acceleport_2_device={139:0}, digi_acceleport_2_device_group0={0:0}, digi_acceleport_2_device_group1={0:0}, digi_acceleport_2_device_group2={0:0}, digi_acceleport_2_device_group3={0:0}, digi_acceleport_4_device={140:0}, digi_acceleport_4_device_group0={0:0}, digi_acceleport_4_device_group1={0:0}, digi_acceleport_4_device_group2={0:0}, digi_acceleport_4_device_group3={0:0}, id_table_2={137:0}, id_table_4={138:0}, id_table_combined={136:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_spin=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_work_1_0=0, ldv_work_1_1=0, ldv_work_1_2=0, ldv_work_1_3=0, ldv_work_struct_1_0={0:0}, ldv_work_struct_1_1={0:0}, ldv_work_struct_1_2={0:0}, ldv_work_struct_1_3={0:0}, p={-184467440737095516161:0}, ref_cnt=0, serial_drivers={141:0}, size=1, tmp={-184467440737095516161:0}] [L6393] RET, EXPR ldv_init_zalloc(1UL) VAL [__this_module={3058:3021}, digi_acceleport_2_device={139:0}, digi_acceleport_2_device_group0={0:0}, digi_acceleport_2_device_group1={0:0}, digi_acceleport_2_device_group2={0:0}, digi_acceleport_2_device_group3={0:0}, digi_acceleport_4_device={140:0}, digi_acceleport_4_device_group0={0:0}, digi_acceleport_4_device_group1={0:0}, digi_acceleport_4_device_group2={0:0}, digi_acceleport_4_device_group3={0:0}, id_table_2={137:0}, id_table_4={138:0}, id_table_combined={136:0}, LDV_IN_INTERRUPT=1, ldv_init_zalloc(1UL)={-184467440737095516161:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_spin=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_work_1_0=0, ldv_work_1_1=0, ldv_work_1_2=0, ldv_work_1_3=0, ldv_work_struct_1_0={0:0}, ldv_work_struct_1_1={0:0}, ldv_work_struct_1_2={0:0}, ldv_work_struct_1_3={0:0}, ldvarg0={143:0}, ldvarg1={152:0}, ldvarg10={145:0}, ldvarg11={149:0}, ldvarg12={-36893488147419103233:0}, ldvarg2={-18446744073709551617:0}, ldvarg3={148:0}, ldvarg4={147:0}, ldvarg5={-166020696663385964545:0}, ldvarg6={144:0}, ldvarg7={146:0}, ldvarg8={151:0}, ref_cnt=0, serial_drivers={141:0}, tmp={-166020696663385964545:0}, tmp___0={-18446744073709551617:0}, tmp___1={-36893488147419103233:0}] [L6393] tmp___2 = ldv_init_zalloc(1UL) [L6394] ldvarg9 = (unsigned char *)tmp___2 [L6395] FCALL ldv_initialize() [L6396] CALL ldv_memset((void *)(& ldvarg1), 0, 4UL) VAL [__this_module={3058:3021}, digi_acceleport_2_device={139:0}, digi_acceleport_2_device_group0={0:0}, digi_acceleport_2_device_group1={0:0}, digi_acceleport_2_device_group2={0:0}, digi_acceleport_2_device_group3={0:0}, digi_acceleport_4_device={140:0}, digi_acceleport_4_device_group0={0:0}, digi_acceleport_4_device_group1={0:0}, digi_acceleport_4_device_group2={0:0}, digi_acceleport_4_device_group3={0:0}, id_table_2={137:0}, id_table_4={138:0}, id_table_combined={136:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_spin=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_work_1_0=0, ldv_work_1_1=0, ldv_work_1_2=0, ldv_work_1_3=0, ldv_work_struct_1_0={0:0}, ldv_work_struct_1_1={0:0}, ldv_work_struct_1_2={0:0}, ldv_work_struct_1_3={0:0}, ref_cnt=0, serial_drivers={141:0}] [L4017] void *tmp ; [L4019] EXPR, FCALL memset(s, c, n) [L4019] tmp = memset(s, c, n) [L4020] return (tmp); VAL [\old(c)=0, \old(n)=4, \result={152:0}, __this_module={3058:3021}, c=0, digi_acceleport_2_device={139:0}, digi_acceleport_2_device_group0={0:0}, digi_acceleport_2_device_group1={0:0}, digi_acceleport_2_device_group2={0:0}, digi_acceleport_2_device_group3={0:0}, digi_acceleport_4_device={140:0}, digi_acceleport_4_device_group0={0:0}, digi_acceleport_4_device_group1={0:0}, digi_acceleport_4_device_group2={0:0}, digi_acceleport_4_device_group3={0:0}, id_table_2={137:0}, id_table_4={138:0}, id_table_combined={136:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_spin=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_work_1_0=0, ldv_work_1_1=0, ldv_work_1_2=0, ldv_work_1_3=0, ldv_work_struct_1_0={0:0}, ldv_work_struct_1_1={0:0}, ldv_work_struct_1_2={0:0}, ldv_work_struct_1_3={0:0}, n=4, ref_cnt=0, s={152:0}, s={152:0}, serial_drivers={141:0}, tmp={152:0}] [L6396] RET ldv_memset((void *)(& ldvarg1), 0, 4UL) VAL [__this_module={3058:3021}, digi_acceleport_2_device={139:0}, digi_acceleport_2_device_group0={0:0}, digi_acceleport_2_device_group1={0:0}, digi_acceleport_2_device_group2={0:0}, digi_acceleport_2_device_group3={0:0}, digi_acceleport_4_device={140:0}, digi_acceleport_4_device_group0={0:0}, digi_acceleport_4_device_group1={0:0}, digi_acceleport_4_device_group2={0:0}, digi_acceleport_4_device_group3={0:0}, id_table_2={137:0}, id_table_4={138:0}, id_table_combined={136:0}, LDV_IN_INTERRUPT=1, ldv_memset((void *)(& ldvarg1), 0, 4UL)={152:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_spin=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_work_1_0=0, ldv_work_1_1=0, ldv_work_1_2=0, ldv_work_1_3=0, ldv_work_struct_1_0={0:0}, ldv_work_struct_1_1={0:0}, ldv_work_struct_1_2={0:0}, ldv_work_struct_1_3={0:0}, ldvarg0={143:0}, ldvarg1={152:0}, ldvarg10={145:0}, ldvarg11={149:0}, ldvarg12={-36893488147419103233:0}, ldvarg2={-18446744073709551617:0}, ldvarg3={148:0}, ldvarg4={147:0}, ldvarg5={-166020696663385964545:0}, ldvarg6={144:0}, ldvarg7={146:0}, ldvarg8={151:0}, ldvarg9={-184467440737095516161:0}, ref_cnt=0, serial_drivers={141:0}, tmp={-166020696663385964545:0}, tmp___0={-18446744073709551617:0}, tmp___1={-36893488147419103233:0}, tmp___2={-184467440737095516161:0}] [L6397] CALL ldv_memset((void *)(& ldvarg4), 0, 4UL) VAL [__this_module={3058:3021}, digi_acceleport_2_device={139:0}, digi_acceleport_2_device_group0={0:0}, digi_acceleport_2_device_group1={0:0}, digi_acceleport_2_device_group2={0:0}, digi_acceleport_2_device_group3={0:0}, digi_acceleport_4_device={140:0}, digi_acceleport_4_device_group0={0:0}, digi_acceleport_4_device_group1={0:0}, digi_acceleport_4_device_group2={0:0}, digi_acceleport_4_device_group3={0:0}, id_table_2={137:0}, id_table_4={138:0}, id_table_combined={136:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_spin=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_work_1_0=0, ldv_work_1_1=0, ldv_work_1_2=0, ldv_work_1_3=0, ldv_work_struct_1_0={0:0}, ldv_work_struct_1_1={0:0}, ldv_work_struct_1_2={0:0}, ldv_work_struct_1_3={0:0}, ref_cnt=0, serial_drivers={141:0}] [L4017] void *tmp ; [L4019] EXPR, FCALL memset(s, c, n) [L4019] tmp = memset(s, c, n) [L4020] return (tmp); VAL [\old(c)=0, \old(n)=4, \result={147:0}, __this_module={3058:3021}, c=0, digi_acceleport_2_device={139:0}, digi_acceleport_2_device_group0={0:0}, digi_acceleport_2_device_group1={0:0}, digi_acceleport_2_device_group2={0:0}, digi_acceleport_2_device_group3={0:0}, digi_acceleport_4_device={140:0}, digi_acceleport_4_device_group0={0:0}, digi_acceleport_4_device_group1={0:0}, digi_acceleport_4_device_group2={0:0}, digi_acceleport_4_device_group3={0:0}, id_table_2={137:0}, id_table_4={138:0}, id_table_combined={136:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_spin=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_work_1_0=0, ldv_work_1_1=0, ldv_work_1_2=0, ldv_work_1_3=0, ldv_work_struct_1_0={0:0}, ldv_work_struct_1_1={0:0}, ldv_work_struct_1_2={0:0}, ldv_work_struct_1_3={0:0}, n=4, ref_cnt=0, s={147:0}, s={147:0}, serial_drivers={141:0}, tmp={147:0}] [L6397] RET ldv_memset((void *)(& ldvarg4), 0, 4UL) VAL [__this_module={3058:3021}, digi_acceleport_2_device={139:0}, digi_acceleport_2_device_group0={0:0}, digi_acceleport_2_device_group1={0:0}, digi_acceleport_2_device_group2={0:0}, digi_acceleport_2_device_group3={0:0}, digi_acceleport_4_device={140:0}, digi_acceleport_4_device_group0={0:0}, digi_acceleport_4_device_group1={0:0}, digi_acceleport_4_device_group2={0:0}, digi_acceleport_4_device_group3={0:0}, id_table_2={137:0}, id_table_4={138:0}, id_table_combined={136:0}, LDV_IN_INTERRUPT=1, ldv_memset((void *)(& ldvarg4), 0, 4UL)={147:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_spin=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_work_1_0=0, ldv_work_1_1=0, ldv_work_1_2=0, ldv_work_1_3=0, ldv_work_struct_1_0={0:0}, ldv_work_struct_1_1={0:0}, ldv_work_struct_1_2={0:0}, ldv_work_struct_1_3={0:0}, ldvarg0={143:0}, ldvarg1={152:0}, ldvarg10={145:0}, ldvarg11={149:0}, ldvarg12={-36893488147419103233:0}, ldvarg2={-18446744073709551617:0}, ldvarg3={148:0}, ldvarg4={147:0}, ldvarg5={-166020696663385964545:0}, ldvarg6={144:0}, ldvarg7={146:0}, ldvarg8={151:0}, ldvarg9={-184467440737095516161:0}, ref_cnt=0, serial_drivers={141:0}, tmp={-166020696663385964545:0}, tmp___0={-18446744073709551617:0}, tmp___1={-36893488147419103233:0}, tmp___2={-184467440737095516161:0}] [L6398] CALL ldv_memset((void *)(& ldvarg3), 0, 4UL) VAL [__this_module={3058:3021}, digi_acceleport_2_device={139:0}, digi_acceleport_2_device_group0={0:0}, digi_acceleport_2_device_group1={0:0}, digi_acceleport_2_device_group2={0:0}, digi_acceleport_2_device_group3={0:0}, digi_acceleport_4_device={140:0}, digi_acceleport_4_device_group0={0:0}, digi_acceleport_4_device_group1={0:0}, digi_acceleport_4_device_group2={0:0}, digi_acceleport_4_device_group3={0:0}, id_table_2={137:0}, id_table_4={138:0}, id_table_combined={136:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_spin=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_work_1_0=0, ldv_work_1_1=0, ldv_work_1_2=0, ldv_work_1_3=0, ldv_work_struct_1_0={0:0}, ldv_work_struct_1_1={0:0}, ldv_work_struct_1_2={0:0}, ldv_work_struct_1_3={0:0}, ref_cnt=0, serial_drivers={141:0}] [L4017] void *tmp ; [L4019] EXPR, FCALL memset(s, c, n) [L4019] tmp = memset(s, c, n) [L4020] return (tmp); VAL [\old(c)=0, \old(n)=4, \result={148:0}, __this_module={3058:3021}, c=0, digi_acceleport_2_device={139:0}, digi_acceleport_2_device_group0={0:0}, digi_acceleport_2_device_group1={0:0}, digi_acceleport_2_device_group2={0:0}, digi_acceleport_2_device_group3={0:0}, digi_acceleport_4_device={140:0}, digi_acceleport_4_device_group0={0:0}, digi_acceleport_4_device_group1={0:0}, digi_acceleport_4_device_group2={0:0}, digi_acceleport_4_device_group3={0:0}, id_table_2={137:0}, id_table_4={138:0}, id_table_combined={136:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_spin=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_work_1_0=0, ldv_work_1_1=0, ldv_work_1_2=0, ldv_work_1_3=0, ldv_work_struct_1_0={0:0}, ldv_work_struct_1_1={0:0}, ldv_work_struct_1_2={0:0}, ldv_work_struct_1_3={0:0}, n=4, ref_cnt=0, s={148:0}, s={148:0}, serial_drivers={141:0}, tmp={148:0}] [L6398] RET ldv_memset((void *)(& ldvarg3), 0, 4UL) VAL [__this_module={3058:3021}, digi_acceleport_2_device={139:0}, digi_acceleport_2_device_group0={0:0}, digi_acceleport_2_device_group1={0:0}, digi_acceleport_2_device_group2={0:0}, digi_acceleport_2_device_group3={0:0}, digi_acceleport_4_device={140:0}, digi_acceleport_4_device_group0={0:0}, digi_acceleport_4_device_group1={0:0}, digi_acceleport_4_device_group2={0:0}, digi_acceleport_4_device_group3={0:0}, id_table_2={137:0}, id_table_4={138:0}, id_table_combined={136:0}, LDV_IN_INTERRUPT=1, ldv_memset((void *)(& ldvarg3), 0, 4UL)={148:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_spin=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_work_1_0=0, ldv_work_1_1=0, ldv_work_1_2=0, ldv_work_1_3=0, ldv_work_struct_1_0={0:0}, ldv_work_struct_1_1={0:0}, ldv_work_struct_1_2={0:0}, ldv_work_struct_1_3={0:0}, ldvarg0={143:0}, ldvarg1={152:0}, ldvarg10={145:0}, ldvarg11={149:0}, ldvarg12={-36893488147419103233:0}, ldvarg2={-18446744073709551617:0}, ldvarg3={148:0}, ldvarg4={147:0}, ldvarg5={-166020696663385964545:0}, ldvarg6={144:0}, ldvarg7={146:0}, ldvarg8={151:0}, ldvarg9={-184467440737095516161:0}, ref_cnt=0, serial_drivers={141:0}, tmp={-166020696663385964545:0}, tmp___0={-18446744073709551617:0}, tmp___1={-36893488147419103233:0}, tmp___2={-184467440737095516161:0}] [L6399] CALL ldv_memset((void *)(& ldvarg0), 0, 4UL) VAL [__this_module={3058:3021}, digi_acceleport_2_device={139:0}, digi_acceleport_2_device_group0={0:0}, digi_acceleport_2_device_group1={0:0}, digi_acceleport_2_device_group2={0:0}, digi_acceleport_2_device_group3={0:0}, digi_acceleport_4_device={140:0}, digi_acceleport_4_device_group0={0:0}, digi_acceleport_4_device_group1={0:0}, digi_acceleport_4_device_group2={0:0}, digi_acceleport_4_device_group3={0:0}, id_table_2={137:0}, id_table_4={138:0}, id_table_combined={136:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_spin=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_work_1_0=0, ldv_work_1_1=0, ldv_work_1_2=0, ldv_work_1_3=0, ldv_work_struct_1_0={0:0}, ldv_work_struct_1_1={0:0}, ldv_work_struct_1_2={0:0}, ldv_work_struct_1_3={0:0}, ref_cnt=0, serial_drivers={141:0}] [L4017] void *tmp ; [L4019] EXPR, FCALL memset(s, c, n) [L4019] tmp = memset(s, c, n) [L4020] return (tmp); VAL [\old(c)=0, \old(n)=4, \result={143:0}, __this_module={3058:3021}, c=0, digi_acceleport_2_device={139:0}, digi_acceleport_2_device_group0={0:0}, digi_acceleport_2_device_group1={0:0}, digi_acceleport_2_device_group2={0:0}, digi_acceleport_2_device_group3={0:0}, digi_acceleport_4_device={140:0}, digi_acceleport_4_device_group0={0:0}, digi_acceleport_4_device_group1={0:0}, digi_acceleport_4_device_group2={0:0}, digi_acceleport_4_device_group3={0:0}, id_table_2={137:0}, id_table_4={138:0}, id_table_combined={136:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_spin=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_work_1_0=0, ldv_work_1_1=0, ldv_work_1_2=0, ldv_work_1_3=0, ldv_work_struct_1_0={0:0}, ldv_work_struct_1_1={0:0}, ldv_work_struct_1_2={0:0}, ldv_work_struct_1_3={0:0}, n=4, ref_cnt=0, s={143:0}, s={143:0}, serial_drivers={141:0}, tmp={143:0}] [L6399] RET ldv_memset((void *)(& ldvarg0), 0, 4UL) VAL [__this_module={3058:3021}, digi_acceleport_2_device={139:0}, digi_acceleport_2_device_group0={0:0}, digi_acceleport_2_device_group1={0:0}, digi_acceleport_2_device_group2={0:0}, digi_acceleport_2_device_group3={0:0}, digi_acceleport_4_device={140:0}, digi_acceleport_4_device_group0={0:0}, digi_acceleport_4_device_group1={0:0}, digi_acceleport_4_device_group2={0:0}, digi_acceleport_4_device_group3={0:0}, id_table_2={137:0}, id_table_4={138:0}, id_table_combined={136:0}, LDV_IN_INTERRUPT=1, ldv_memset((void *)(& ldvarg0), 0, 4UL)={143:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_spin=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_work_1_0=0, ldv_work_1_1=0, ldv_work_1_2=0, ldv_work_1_3=0, ldv_work_struct_1_0={0:0}, ldv_work_struct_1_1={0:0}, ldv_work_struct_1_2={0:0}, ldv_work_struct_1_3={0:0}, ldvarg0={143:0}, ldvarg1={152:0}, ldvarg10={145:0}, ldvarg11={149:0}, ldvarg12={-36893488147419103233:0}, ldvarg2={-18446744073709551617:0}, ldvarg3={148:0}, ldvarg4={147:0}, ldvarg5={-166020696663385964545:0}, ldvarg6={144:0}, ldvarg7={146:0}, ldvarg8={151:0}, ldvarg9={-184467440737095516161:0}, ref_cnt=0, serial_drivers={141:0}, tmp={-166020696663385964545:0}, tmp___0={-18446744073709551617:0}, tmp___1={-36893488147419103233:0}, tmp___2={-184467440737095516161:0}] [L6400] CALL ldv_memset((void *)(& ldvarg6), 0, 4UL) VAL [__this_module={3058:3021}, digi_acceleport_2_device={139:0}, digi_acceleport_2_device_group0={0:0}, digi_acceleport_2_device_group1={0:0}, digi_acceleport_2_device_group2={0:0}, digi_acceleport_2_device_group3={0:0}, digi_acceleport_4_device={140:0}, digi_acceleport_4_device_group0={0:0}, digi_acceleport_4_device_group1={0:0}, digi_acceleport_4_device_group2={0:0}, digi_acceleport_4_device_group3={0:0}, id_table_2={137:0}, id_table_4={138:0}, id_table_combined={136:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_spin=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_work_1_0=0, ldv_work_1_1=0, ldv_work_1_2=0, ldv_work_1_3=0, ldv_work_struct_1_0={0:0}, ldv_work_struct_1_1={0:0}, ldv_work_struct_1_2={0:0}, ldv_work_struct_1_3={0:0}, ref_cnt=0, serial_drivers={141:0}] [L4017] void *tmp ; [L4019] EXPR, FCALL memset(s, c, n) [L4019] tmp = memset(s, c, n) [L4020] return (tmp); VAL [\old(c)=0, \old(n)=4, \result={144:0}, __this_module={3058:3021}, c=0, digi_acceleport_2_device={139:0}, digi_acceleport_2_device_group0={0:0}, digi_acceleport_2_device_group1={0:0}, digi_acceleport_2_device_group2={0:0}, digi_acceleport_2_device_group3={0:0}, digi_acceleport_4_device={140:0}, digi_acceleport_4_device_group0={0:0}, digi_acceleport_4_device_group1={0:0}, digi_acceleport_4_device_group2={0:0}, digi_acceleport_4_device_group3={0:0}, id_table_2={137:0}, id_table_4={138:0}, id_table_combined={136:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_spin=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_work_1_0=0, ldv_work_1_1=0, ldv_work_1_2=0, ldv_work_1_3=0, ldv_work_struct_1_0={0:0}, ldv_work_struct_1_1={0:0}, ldv_work_struct_1_2={0:0}, ldv_work_struct_1_3={0:0}, n=4, ref_cnt=0, s={144:0}, s={144:0}, serial_drivers={141:0}, tmp={144:0}] [L6400] RET ldv_memset((void *)(& ldvarg6), 0, 4UL) VAL [__this_module={3058:3021}, digi_acceleport_2_device={139:0}, digi_acceleport_2_device_group0={0:0}, digi_acceleport_2_device_group1={0:0}, digi_acceleport_2_device_group2={0:0}, digi_acceleport_2_device_group3={0:0}, digi_acceleport_4_device={140:0}, digi_acceleport_4_device_group0={0:0}, digi_acceleport_4_device_group1={0:0}, digi_acceleport_4_device_group2={0:0}, digi_acceleport_4_device_group3={0:0}, id_table_2={137:0}, id_table_4={138:0}, id_table_combined={136:0}, LDV_IN_INTERRUPT=1, ldv_memset((void *)(& ldvarg6), 0, 4UL)={144:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_spin=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_work_1_0=0, ldv_work_1_1=0, ldv_work_1_2=0, ldv_work_1_3=0, ldv_work_struct_1_0={0:0}, ldv_work_struct_1_1={0:0}, ldv_work_struct_1_2={0:0}, ldv_work_struct_1_3={0:0}, ldvarg0={143:0}, ldvarg1={152:0}, ldvarg10={145:0}, ldvarg11={149:0}, ldvarg12={-36893488147419103233:0}, ldvarg2={-18446744073709551617:0}, ldvarg3={148:0}, ldvarg4={147:0}, ldvarg5={-166020696663385964545:0}, ldvarg6={144:0}, ldvarg7={146:0}, ldvarg8={151:0}, ldvarg9={-184467440737095516161:0}, ref_cnt=0, serial_drivers={141:0}, tmp={-166020696663385964545:0}, tmp___0={-18446744073709551617:0}, tmp___1={-36893488147419103233:0}, tmp___2={-184467440737095516161:0}] [L6401] CALL ldv_memset((void *)(& ldvarg8), 0, 4UL) VAL [__this_module={3058:3021}, digi_acceleport_2_device={139:0}, digi_acceleport_2_device_group0={0:0}, digi_acceleport_2_device_group1={0:0}, digi_acceleport_2_device_group2={0:0}, digi_acceleport_2_device_group3={0:0}, digi_acceleport_4_device={140:0}, digi_acceleport_4_device_group0={0:0}, digi_acceleport_4_device_group1={0:0}, digi_acceleport_4_device_group2={0:0}, digi_acceleport_4_device_group3={0:0}, id_table_2={137:0}, id_table_4={138:0}, id_table_combined={136:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_spin=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_work_1_0=0, ldv_work_1_1=0, ldv_work_1_2=0, ldv_work_1_3=0, ldv_work_struct_1_0={0:0}, ldv_work_struct_1_1={0:0}, ldv_work_struct_1_2={0:0}, ldv_work_struct_1_3={0:0}, ref_cnt=0, serial_drivers={141:0}] [L4017] void *tmp ; [L4019] EXPR, FCALL memset(s, c, n) [L4019] tmp = memset(s, c, n) [L4020] return (tmp); VAL [\old(c)=0, \old(n)=4, \result={151:0}, __this_module={3058:3021}, c=0, digi_acceleport_2_device={139:0}, digi_acceleport_2_device_group0={0:0}, digi_acceleport_2_device_group1={0:0}, digi_acceleport_2_device_group2={0:0}, digi_acceleport_2_device_group3={0:0}, digi_acceleport_4_device={140:0}, digi_acceleport_4_device_group0={0:0}, digi_acceleport_4_device_group1={0:0}, digi_acceleport_4_device_group2={0:0}, digi_acceleport_4_device_group3={0:0}, id_table_2={137:0}, id_table_4={138:0}, id_table_combined={136:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_spin=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_work_1_0=0, ldv_work_1_1=0, ldv_work_1_2=0, ldv_work_1_3=0, ldv_work_struct_1_0={0:0}, ldv_work_struct_1_1={0:0}, ldv_work_struct_1_2={0:0}, ldv_work_struct_1_3={0:0}, n=4, ref_cnt=0, s={151:0}, s={151:0}, serial_drivers={141:0}, tmp={151:0}] [L6401] RET ldv_memset((void *)(& ldvarg8), 0, 4UL) VAL [__this_module={3058:3021}, digi_acceleport_2_device={139:0}, digi_acceleport_2_device_group0={0:0}, digi_acceleport_2_device_group1={0:0}, digi_acceleport_2_device_group2={0:0}, digi_acceleport_2_device_group3={0:0}, digi_acceleport_4_device={140:0}, digi_acceleport_4_device_group0={0:0}, digi_acceleport_4_device_group1={0:0}, digi_acceleport_4_device_group2={0:0}, digi_acceleport_4_device_group3={0:0}, id_table_2={137:0}, id_table_4={138:0}, id_table_combined={136:0}, LDV_IN_INTERRUPT=1, ldv_memset((void *)(& ldvarg8), 0, 4UL)={151:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_spin=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_work_1_0=0, ldv_work_1_1=0, ldv_work_1_2=0, ldv_work_1_3=0, ldv_work_struct_1_0={0:0}, ldv_work_struct_1_1={0:0}, ldv_work_struct_1_2={0:0}, ldv_work_struct_1_3={0:0}, ldvarg0={143:0}, ldvarg1={152:0}, ldvarg10={145:0}, ldvarg11={149:0}, ldvarg12={-36893488147419103233:0}, ldvarg2={-18446744073709551617:0}, ldvarg3={148:0}, ldvarg4={147:0}, ldvarg5={-166020696663385964545:0}, ldvarg6={144:0}, ldvarg7={146:0}, ldvarg8={151:0}, ldvarg9={-184467440737095516161:0}, ref_cnt=0, serial_drivers={141:0}, tmp={-166020696663385964545:0}, tmp___0={-18446744073709551617:0}, tmp___1={-36893488147419103233:0}, tmp___2={-184467440737095516161:0}] [L6402] CALL ldv_memset((void *)(& ldvarg11), 0, 4UL) VAL [__this_module={3058:3021}, digi_acceleport_2_device={139:0}, digi_acceleport_2_device_group0={0:0}, digi_acceleport_2_device_group1={0:0}, digi_acceleport_2_device_group2={0:0}, digi_acceleport_2_device_group3={0:0}, digi_acceleport_4_device={140:0}, digi_acceleport_4_device_group0={0:0}, digi_acceleport_4_device_group1={0:0}, digi_acceleport_4_device_group2={0:0}, digi_acceleport_4_device_group3={0:0}, id_table_2={137:0}, id_table_4={138:0}, id_table_combined={136:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_spin=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_work_1_0=0, ldv_work_1_1=0, ldv_work_1_2=0, ldv_work_1_3=0, ldv_work_struct_1_0={0:0}, ldv_work_struct_1_1={0:0}, ldv_work_struct_1_2={0:0}, ldv_work_struct_1_3={0:0}, ref_cnt=0, serial_drivers={141:0}] [L4017] void *tmp ; [L4019] EXPR, FCALL memset(s, c, n) [L4019] tmp = memset(s, c, n) [L4020] return (tmp); VAL [\old(c)=0, \old(n)=4, \result={149:0}, __this_module={3058:3021}, c=0, digi_acceleport_2_device={139:0}, digi_acceleport_2_device_group0={0:0}, digi_acceleport_2_device_group1={0:0}, digi_acceleport_2_device_group2={0:0}, digi_acceleport_2_device_group3={0:0}, digi_acceleport_4_device={140:0}, digi_acceleport_4_device_group0={0:0}, digi_acceleport_4_device_group1={0:0}, digi_acceleport_4_device_group2={0:0}, digi_acceleport_4_device_group3={0:0}, id_table_2={137:0}, id_table_4={138:0}, id_table_combined={136:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_spin=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_work_1_0=0, ldv_work_1_1=0, ldv_work_1_2=0, ldv_work_1_3=0, ldv_work_struct_1_0={0:0}, ldv_work_struct_1_1={0:0}, ldv_work_struct_1_2={0:0}, ldv_work_struct_1_3={0:0}, n=4, ref_cnt=0, s={149:0}, s={149:0}, serial_drivers={141:0}, tmp={149:0}] [L6402] RET ldv_memset((void *)(& ldvarg11), 0, 4UL) VAL [__this_module={3058:3021}, digi_acceleport_2_device={139:0}, digi_acceleport_2_device_group0={0:0}, digi_acceleport_2_device_group1={0:0}, digi_acceleport_2_device_group2={0:0}, digi_acceleport_2_device_group3={0:0}, digi_acceleport_4_device={140:0}, digi_acceleport_4_device_group0={0:0}, digi_acceleport_4_device_group1={0:0}, digi_acceleport_4_device_group2={0:0}, digi_acceleport_4_device_group3={0:0}, id_table_2={137:0}, id_table_4={138:0}, id_table_combined={136:0}, LDV_IN_INTERRUPT=1, ldv_memset((void *)(& ldvarg11), 0, 4UL)={149:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_spin=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_work_1_0=0, ldv_work_1_1=0, ldv_work_1_2=0, ldv_work_1_3=0, ldv_work_struct_1_0={0:0}, ldv_work_struct_1_1={0:0}, ldv_work_struct_1_2={0:0}, ldv_work_struct_1_3={0:0}, ldvarg0={143:0}, ldvarg1={152:0}, ldvarg10={145:0}, ldvarg11={149:0}, ldvarg12={-36893488147419103233:0}, ldvarg2={-18446744073709551617:0}, ldvarg3={148:0}, ldvarg4={147:0}, ldvarg5={-166020696663385964545:0}, ldvarg6={144:0}, ldvarg7={146:0}, ldvarg8={151:0}, ldvarg9={-184467440737095516161:0}, ref_cnt=0, serial_drivers={141:0}, tmp={-166020696663385964545:0}, tmp___0={-18446744073709551617:0}, tmp___1={-36893488147419103233:0}, tmp___2={-184467440737095516161:0}] [L6403] CALL ldv_memset((void *)(& ldvarg7), 0, 4UL) VAL [__this_module={3058:3021}, digi_acceleport_2_device={139:0}, digi_acceleport_2_device_group0={0:0}, digi_acceleport_2_device_group1={0:0}, digi_acceleport_2_device_group2={0:0}, digi_acceleport_2_device_group3={0:0}, digi_acceleport_4_device={140:0}, digi_acceleport_4_device_group0={0:0}, digi_acceleport_4_device_group1={0:0}, digi_acceleport_4_device_group2={0:0}, digi_acceleport_4_device_group3={0:0}, id_table_2={137:0}, id_table_4={138:0}, id_table_combined={136:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_spin=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_work_1_0=0, ldv_work_1_1=0, ldv_work_1_2=0, ldv_work_1_3=0, ldv_work_struct_1_0={0:0}, ldv_work_struct_1_1={0:0}, ldv_work_struct_1_2={0:0}, ldv_work_struct_1_3={0:0}, ref_cnt=0, serial_drivers={141:0}] [L4017] void *tmp ; [L4019] EXPR, FCALL memset(s, c, n) [L4019] tmp = memset(s, c, n) [L4020] return (tmp); VAL [\old(c)=0, \old(n)=4, \result={146:0}, __this_module={3058:3021}, c=0, digi_acceleport_2_device={139:0}, digi_acceleport_2_device_group0={0:0}, digi_acceleport_2_device_group1={0:0}, digi_acceleport_2_device_group2={0:0}, digi_acceleport_2_device_group3={0:0}, digi_acceleport_4_device={140:0}, digi_acceleport_4_device_group0={0:0}, digi_acceleport_4_device_group1={0:0}, digi_acceleport_4_device_group2={0:0}, digi_acceleport_4_device_group3={0:0}, id_table_2={137:0}, id_table_4={138:0}, id_table_combined={136:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_spin=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_work_1_0=0, ldv_work_1_1=0, ldv_work_1_2=0, ldv_work_1_3=0, ldv_work_struct_1_0={0:0}, ldv_work_struct_1_1={0:0}, ldv_work_struct_1_2={0:0}, ldv_work_struct_1_3={0:0}, n=4, ref_cnt=0, s={146:0}, s={146:0}, serial_drivers={141:0}, tmp={146:0}] [L6403] RET ldv_memset((void *)(& ldvarg7), 0, 4UL) VAL [__this_module={3058:3021}, digi_acceleport_2_device={139:0}, digi_acceleport_2_device_group0={0:0}, digi_acceleport_2_device_group1={0:0}, digi_acceleport_2_device_group2={0:0}, digi_acceleport_2_device_group3={0:0}, digi_acceleport_4_device={140:0}, digi_acceleport_4_device_group0={0:0}, digi_acceleport_4_device_group1={0:0}, digi_acceleport_4_device_group2={0:0}, digi_acceleport_4_device_group3={0:0}, id_table_2={137:0}, id_table_4={138:0}, id_table_combined={136:0}, LDV_IN_INTERRUPT=1, ldv_memset((void *)(& ldvarg7), 0, 4UL)={146:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_spin=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_work_1_0=0, ldv_work_1_1=0, ldv_work_1_2=0, ldv_work_1_3=0, ldv_work_struct_1_0={0:0}, ldv_work_struct_1_1={0:0}, ldv_work_struct_1_2={0:0}, ldv_work_struct_1_3={0:0}, ldvarg0={143:0}, ldvarg1={152:0}, ldvarg10={145:0}, ldvarg11={149:0}, ldvarg12={-36893488147419103233:0}, ldvarg2={-18446744073709551617:0}, ldvarg3={148:0}, ldvarg4={147:0}, ldvarg5={-166020696663385964545:0}, ldvarg6={144:0}, ldvarg7={146:0}, ldvarg8={151:0}, ldvarg9={-184467440737095516161:0}, ref_cnt=0, serial_drivers={141:0}, tmp={-166020696663385964545:0}, tmp___0={-18446744073709551617:0}, tmp___1={-36893488147419103233:0}, tmp___2={-184467440737095516161:0}] [L6404] CALL ldv_memset((void *)(& ldvarg10), 0, 4UL) VAL [__this_module={3058:3021}, digi_acceleport_2_device={139:0}, digi_acceleport_2_device_group0={0:0}, digi_acceleport_2_device_group1={0:0}, digi_acceleport_2_device_group2={0:0}, digi_acceleport_2_device_group3={0:0}, digi_acceleport_4_device={140:0}, digi_acceleport_4_device_group0={0:0}, digi_acceleport_4_device_group1={0:0}, digi_acceleport_4_device_group2={0:0}, digi_acceleport_4_device_group3={0:0}, id_table_2={137:0}, id_table_4={138:0}, id_table_combined={136:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_spin=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_work_1_0=0, ldv_work_1_1=0, ldv_work_1_2=0, ldv_work_1_3=0, ldv_work_struct_1_0={0:0}, ldv_work_struct_1_1={0:0}, ldv_work_struct_1_2={0:0}, ldv_work_struct_1_3={0:0}, ref_cnt=0, serial_drivers={141:0}] [L4017] void *tmp ; [L4019] EXPR, FCALL memset(s, c, n) [L4019] tmp = memset(s, c, n) [L4020] return (tmp); VAL [\old(c)=0, \old(n)=4, \result={145:0}, __this_module={3058:3021}, c=0, digi_acceleport_2_device={139:0}, digi_acceleport_2_device_group0={0:0}, digi_acceleport_2_device_group1={0:0}, digi_acceleport_2_device_group2={0:0}, digi_acceleport_2_device_group3={0:0}, digi_acceleport_4_device={140:0}, digi_acceleport_4_device_group0={0:0}, digi_acceleport_4_device_group1={0:0}, digi_acceleport_4_device_group2={0:0}, digi_acceleport_4_device_group3={0:0}, id_table_2={137:0}, id_table_4={138:0}, id_table_combined={136:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_spin=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_work_1_0=0, ldv_work_1_1=0, ldv_work_1_2=0, ldv_work_1_3=0, ldv_work_struct_1_0={0:0}, ldv_work_struct_1_1={0:0}, ldv_work_struct_1_2={0:0}, ldv_work_struct_1_3={0:0}, n=4, ref_cnt=0, s={145:0}, s={145:0}, serial_drivers={141:0}, tmp={145:0}] [L6404] RET ldv_memset((void *)(& ldvarg10), 0, 4UL) VAL [__this_module={3058:3021}, digi_acceleport_2_device={139:0}, digi_acceleport_2_device_group0={0:0}, digi_acceleport_2_device_group1={0:0}, digi_acceleport_2_device_group2={0:0}, digi_acceleport_2_device_group3={0:0}, digi_acceleport_4_device={140:0}, digi_acceleport_4_device_group0={0:0}, digi_acceleport_4_device_group1={0:0}, digi_acceleport_4_device_group2={0:0}, digi_acceleport_4_device_group3={0:0}, id_table_2={137:0}, id_table_4={138:0}, id_table_combined={136:0}, LDV_IN_INTERRUPT=1, ldv_memset((void *)(& ldvarg10), 0, 4UL)={145:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_spin=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_work_1_0=0, ldv_work_1_1=0, ldv_work_1_2=0, ldv_work_1_3=0, ldv_work_struct_1_0={0:0}, ldv_work_struct_1_1={0:0}, ldv_work_struct_1_2={0:0}, ldv_work_struct_1_3={0:0}, ldvarg0={143:0}, ldvarg1={152:0}, ldvarg10={145:0}, ldvarg11={149:0}, ldvarg12={-36893488147419103233:0}, ldvarg2={-18446744073709551617:0}, ldvarg3={148:0}, ldvarg4={147:0}, ldvarg5={-166020696663385964545:0}, ldvarg6={144:0}, ldvarg7={146:0}, ldvarg8={151:0}, ldvarg9={-184467440737095516161:0}, ref_cnt=0, serial_drivers={141:0}, tmp={-166020696663385964545:0}, tmp___0={-18446744073709551617:0}, tmp___1={-36893488147419103233:0}, tmp___2={-184467440737095516161:0}] [L6405] CALL work_init_1() [L6356] ldv_work_1_0 = 0 [L6357] ldv_work_1_1 = 0 [L6358] ldv_work_1_2 = 0 [L6359] ldv_work_1_3 = 0 VAL [__this_module={3058:3021}, digi_acceleport_2_device={139:0}, digi_acceleport_2_device_group0={0:0}, digi_acceleport_2_device_group1={0:0}, digi_acceleport_2_device_group2={0:0}, digi_acceleport_2_device_group3={0:0}, digi_acceleport_4_device={140:0}, digi_acceleport_4_device_group0={0:0}, digi_acceleport_4_device_group1={0:0}, digi_acceleport_4_device_group2={0:0}, digi_acceleport_4_device_group3={0:0}, id_table_2={137:0}, id_table_4={138:0}, id_table_combined={136:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_spin=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_work_1_0=0, ldv_work_1_1=0, ldv_work_1_2=0, ldv_work_1_3=0, ldv_work_struct_1_0={0:0}, ldv_work_struct_1_1={0:0}, ldv_work_struct_1_2={0:0}, ldv_work_struct_1_3={0:0}, ref_cnt=0, serial_drivers={141:0}] [L6405] RET work_init_1() [L6406] ldv_state_variable_1 = 1 [L6407] ref_cnt = 0 [L6408] ldv_state_variable_0 = 1 [L6409] ldv_state_variable_3 = 0 [L6410] ldv_state_variable_2 = 0 VAL [__this_module={3058:3021}, digi_acceleport_2_device={139:0}, digi_acceleport_2_device_group0={0:0}, digi_acceleport_2_device_group1={0:0}, digi_acceleport_2_device_group2={0:0}, digi_acceleport_2_device_group3={0:0}, digi_acceleport_4_device={140:0}, digi_acceleport_4_device_group0={0:0}, digi_acceleport_4_device_group1={0:0}, digi_acceleport_4_device_group2={0:0}, digi_acceleport_4_device_group3={0:0}, id_table_2={137:0}, id_table_4={138:0}, id_table_combined={136:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_spin=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_work_1_0=0, ldv_work_1_1=0, ldv_work_1_2=0, ldv_work_1_3=0, ldv_work_struct_1_0={0:0}, ldv_work_struct_1_1={0:0}, ldv_work_struct_1_2={0:0}, ldv_work_struct_1_3={0:0}, ldvarg0={143:0}, ldvarg1={152:0}, ldvarg10={145:0}, ldvarg11={149:0}, ldvarg12={-36893488147419103233:0}, ldvarg2={-18446744073709551617:0}, ldvarg3={148:0}, ldvarg4={147:0}, ldvarg5={-166020696663385964545:0}, ldvarg6={144:0}, ldvarg7={146:0}, ldvarg8={151:0}, ldvarg9={-184467440737095516161:0}, ref_cnt=0, serial_drivers={141:0}, tmp={-166020696663385964545:0}, tmp___0={-18446744073709551617:0}, tmp___1={-36893488147419103233:0}, tmp___2={-184467440737095516161:0}] [L6412] tmp___3 = __VERIFIER_nondet_int() [L6414] case 0: [L6420] case 1: VAL [__this_module={3058:3021}, digi_acceleport_2_device={139:0}, digi_acceleport_2_device_group0={0:0}, digi_acceleport_2_device_group1={0:0}, digi_acceleport_2_device_group2={0:0}, digi_acceleport_2_device_group3={0:0}, digi_acceleport_4_device={140:0}, digi_acceleport_4_device_group0={0:0}, digi_acceleport_4_device_group1={0:0}, digi_acceleport_4_device_group2={0:0}, digi_acceleport_4_device_group3={0:0}, id_table_2={137:0}, id_table_4={138:0}, id_table_combined={136:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_spin=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_work_1_0=0, ldv_work_1_1=0, ldv_work_1_2=0, ldv_work_1_3=0, ldv_work_struct_1_0={0:0}, ldv_work_struct_1_1={0:0}, ldv_work_struct_1_2={0:0}, ldv_work_struct_1_3={0:0}, ldvarg0={143:0}, ldvarg1={152:0}, ldvarg10={145:0}, ldvarg11={149:0}, ldvarg12={-36893488147419103233:0}, ldvarg2={-18446744073709551617:0}, ldvarg3={148:0}, ldvarg4={147:0}, ldvarg5={-166020696663385964545:0}, ldvarg6={144:0}, ldvarg7={146:0}, ldvarg8={151:0}, ldvarg9={-184467440737095516161:0}, ref_cnt=0, serial_drivers={141:0}, tmp={-166020696663385964545:0}, tmp___0={-18446744073709551617:0}, tmp___1={-36893488147419103233:0}, tmp___2={-184467440737095516161:0}, tmp___3=1] [L6421] COND TRUE ldv_state_variable_0 != 0 [L6422] tmp___4 = __VERIFIER_nondet_int() [L6424] case 0: [L6432] case 1: VAL [__this_module={3058:3021}, digi_acceleport_2_device={139:0}, digi_acceleport_2_device_group0={0:0}, digi_acceleport_2_device_group1={0:0}, digi_acceleport_2_device_group2={0:0}, digi_acceleport_2_device_group3={0:0}, digi_acceleport_4_device={140:0}, digi_acceleport_4_device_group0={0:0}, digi_acceleport_4_device_group1={0:0}, digi_acceleport_4_device_group2={0:0}, digi_acceleport_4_device_group3={0:0}, id_table_2={137:0}, id_table_4={138:0}, id_table_combined={136:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_spin=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_work_1_0=0, ldv_work_1_1=0, ldv_work_1_2=0, ldv_work_1_3=0, ldv_work_struct_1_0={0:0}, ldv_work_struct_1_1={0:0}, ldv_work_struct_1_2={0:0}, ldv_work_struct_1_3={0:0}, ldvarg0={143:0}, ldvarg1={152:0}, ldvarg10={145:0}, ldvarg11={149:0}, ldvarg12={-36893488147419103233:0}, ldvarg2={-18446744073709551617:0}, ldvarg3={148:0}, ldvarg4={147:0}, ldvarg5={-166020696663385964545:0}, ldvarg6={144:0}, ldvarg7={146:0}, ldvarg8={151:0}, ldvarg9={-184467440737095516161:0}, ref_cnt=0, serial_drivers={141:0}, tmp={-166020696663385964545:0}, tmp___0={-18446744073709551617:0}, tmp___1={-36893488147419103233:0}, tmp___2={-184467440737095516161:0}, tmp___3=1, tmp___4=1] [L6433] COND TRUE ldv_state_variable_0 == 1 [L6434] CALL, EXPR usb_serial_module_init() [L6145] int tmp ; [L6147-L6148] CALL, EXPR usb_serial_register_drivers((struct usb_serial_driver * const *)(& serial_drivers), "digi_acceleport", (struct usb_device_id const *)(& id_table_combined)) [L7536] return __VERIFIER_nondet_int(); [L6147-L6148] RET, EXPR usb_serial_register_drivers((struct usb_serial_driver * const *)(& serial_drivers), "digi_acceleport", (struct usb_device_id const *)(& id_table_combined)) [L6147-L6148] tmp = usb_serial_register_drivers((struct usb_serial_driver * const *)(& serial_drivers), "digi_acceleport", (struct usb_device_id const *)(& id_table_combined)) [L6149] return (tmp); VAL [\result=0, __this_module={3058:3021}, digi_acceleport_2_device={139:0}, digi_acceleport_2_device_group0={0:0}, digi_acceleport_2_device_group1={0:0}, digi_acceleport_2_device_group2={0:0}, digi_acceleport_2_device_group3={0:0}, digi_acceleport_4_device={140:0}, digi_acceleport_4_device_group0={0:0}, digi_acceleport_4_device_group1={0:0}, digi_acceleport_4_device_group2={0:0}, digi_acceleport_4_device_group3={0:0}, id_table_2={137:0}, id_table_4={138:0}, id_table_combined={136:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_spin=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_work_1_0=0, ldv_work_1_1=0, ldv_work_1_2=0, ldv_work_1_3=0, ldv_work_struct_1_0={0:0}, ldv_work_struct_1_1={0:0}, ldv_work_struct_1_2={0:0}, ldv_work_struct_1_3={0:0}, ref_cnt=0, serial_drivers={141:0}, tmp=0] [L6434] RET, EXPR usb_serial_module_init() [L6434] ldv_retval_0 = usb_serial_module_init() [L6435] COND TRUE ldv_retval_0 == 0 [L6436] ldv_state_variable_0 = 3 [L6437] ldv_state_variable_2 = 1 [L6438] CALL ldv_initialize_usb_serial_driver_2() [L6267] void *tmp ; [L6268] void *tmp___0 ; [L6269] void *tmp___1 ; [L6270] void *tmp___2 ; VAL [__this_module={3058:3021}, digi_acceleport_2_device={139:0}, digi_acceleport_2_device_group0={0:0}, digi_acceleport_2_device_group1={0:0}, digi_acceleport_2_device_group2={0:0}, digi_acceleport_2_device_group3={0:0}, digi_acceleport_4_device={140:0}, digi_acceleport_4_device_group0={0:0}, digi_acceleport_4_device_group1={0:0}, digi_acceleport_4_device_group2={0:0}, digi_acceleport_4_device_group3={0:0}, id_table_2={137:0}, id_table_4={138:0}, id_table_combined={136:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=0, ldv_work_1_0=0, ldv_work_1_1=0, ldv_work_1_2=0, ldv_work_1_3=0, ldv_work_struct_1_0={0:0}, ldv_work_struct_1_1={0:0}, ldv_work_struct_1_2={0:0}, ldv_work_struct_1_3={0:0}, ref_cnt=0, serial_drivers={141:0}] [L6272] CALL, EXPR ldv_init_zalloc(192UL) VAL [\old(size)=192, __this_module={3058:3021}, digi_acceleport_2_device={139:0}, digi_acceleport_2_device_group0={0:0}, digi_acceleport_2_device_group1={0:0}, digi_acceleport_2_device_group2={0:0}, digi_acceleport_2_device_group3={0:0}, digi_acceleport_4_device={140:0}, digi_acceleport_4_device_group0={0:0}, digi_acceleport_4_device_group1={0:0}, digi_acceleport_4_device_group2={0:0}, digi_acceleport_4_device_group3={0:0}, id_table_2={137:0}, id_table_4={138:0}, id_table_combined={136:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=0, ldv_work_1_0=0, ldv_work_1_1=0, ldv_work_1_2=0, ldv_work_1_3=0, ldv_work_struct_1_0={0:0}, ldv_work_struct_1_1={0:0}, ldv_work_struct_1_2={0:0}, ldv_work_struct_1_3={0:0}, ref_cnt=0, serial_drivers={141:0}] [L4006] void *p ; [L4007] void *tmp ; [L4009] EXPR, FCALL calloc(1UL, size) VAL [\old(size)=192, __this_module={3058:3021}, calloc(1UL, size)={-202914184810805067777:0}, digi_acceleport_2_device={139:0}, digi_acceleport_2_device_group0={0:0}, digi_acceleport_2_device_group1={0:0}, digi_acceleport_2_device_group2={0:0}, digi_acceleport_2_device_group3={0:0}, digi_acceleport_4_device={140:0}, digi_acceleport_4_device_group0={0:0}, digi_acceleport_4_device_group1={0:0}, digi_acceleport_4_device_group2={0:0}, digi_acceleport_4_device_group3={0:0}, id_table_2={137:0}, id_table_4={138:0}, id_table_combined={136:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=0, ldv_work_1_0=0, ldv_work_1_1=0, ldv_work_1_2=0, ldv_work_1_3=0, ldv_work_struct_1_0={0:0}, ldv_work_struct_1_1={0:0}, ldv_work_struct_1_2={0:0}, ldv_work_struct_1_3={0:0}, ref_cnt=0, serial_drivers={141:0}, size=192] [L4009] tmp = calloc(1UL, size) [L4010] p = tmp VAL [\old(size)=192, __this_module={3058:3021}, calloc(1UL, size)={-202914184810805067777:0}, digi_acceleport_2_device={139:0}, digi_acceleport_2_device_group0={0:0}, digi_acceleport_2_device_group1={0:0}, digi_acceleport_2_device_group2={0:0}, digi_acceleport_2_device_group3={0:0}, digi_acceleport_4_device={140:0}, digi_acceleport_4_device_group0={0:0}, digi_acceleport_4_device_group1={0:0}, digi_acceleport_4_device_group2={0:0}, digi_acceleport_4_device_group3={0:0}, id_table_2={137:0}, id_table_4={138:0}, id_table_combined={136:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=0, ldv_work_1_0=0, ldv_work_1_1=0, ldv_work_1_2=0, ldv_work_1_3=0, ldv_work_struct_1_0={0:0}, ldv_work_struct_1_1={0:0}, ldv_work_struct_1_2={0:0}, ldv_work_struct_1_3={0:0}, p={-202914184810805067777:0}, ref_cnt=0, serial_drivers={141:0}, size=192, tmp={-202914184810805067777:0}] [L4011] CALL assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(cond)=1, __this_module={3058:3021}, digi_acceleport_2_device={139:0}, digi_acceleport_2_device_group0={0:0}, digi_acceleport_2_device_group1={0:0}, digi_acceleport_2_device_group2={0:0}, digi_acceleport_2_device_group3={0:0}, digi_acceleport_4_device={140:0}, digi_acceleport_4_device_group0={0:0}, digi_acceleport_4_device_group1={0:0}, digi_acceleport_4_device_group2={0:0}, digi_acceleport_4_device_group3={0:0}, id_table_2={137:0}, id_table_4={138:0}, id_table_combined={136:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=0, ldv_work_1_0=0, ldv_work_1_1=0, ldv_work_1_2=0, ldv_work_1_3=0, ldv_work_struct_1_0={0:0}, ldv_work_struct_1_1={0:0}, ldv_work_struct_1_2={0:0}, ldv_work_struct_1_3={0:0}, ref_cnt=0, serial_drivers={141:0}] [L3968] COND FALSE !(!cond) VAL [\old(cond)=1, __this_module={3058:3021}, cond=1, digi_acceleport_2_device={139:0}, digi_acceleport_2_device_group0={0:0}, digi_acceleport_2_device_group1={0:0}, digi_acceleport_2_device_group2={0:0}, digi_acceleport_2_device_group3={0:0}, digi_acceleport_4_device={140:0}, digi_acceleport_4_device_group0={0:0}, digi_acceleport_4_device_group1={0:0}, digi_acceleport_4_device_group2={0:0}, digi_acceleport_4_device_group3={0:0}, id_table_2={137:0}, id_table_4={138:0}, id_table_combined={136:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=0, ldv_work_1_0=0, ldv_work_1_1=0, ldv_work_1_2=0, ldv_work_1_3=0, ldv_work_struct_1_0={0:0}, ldv_work_struct_1_1={0:0}, ldv_work_struct_1_2={0:0}, ldv_work_struct_1_3={0:0}, ref_cnt=0, serial_drivers={141:0}] [L4011] RET assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(size)=192, __this_module={3058:3021}, calloc(1UL, size)={-202914184810805067777:0}, digi_acceleport_2_device={139:0}, digi_acceleport_2_device_group0={0:0}, digi_acceleport_2_device_group1={0:0}, digi_acceleport_2_device_group2={0:0}, digi_acceleport_2_device_group3={0:0}, digi_acceleport_4_device={140:0}, digi_acceleport_4_device_group0={0:0}, digi_acceleport_4_device_group1={0:0}, digi_acceleport_4_device_group2={0:0}, digi_acceleport_4_device_group3={0:0}, id_table_2={137:0}, id_table_4={138:0}, id_table_combined={136:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=0, ldv_work_1_0=0, ldv_work_1_1=0, ldv_work_1_2=0, ldv_work_1_3=0, ldv_work_struct_1_0={0:0}, ldv_work_struct_1_1={0:0}, ldv_work_struct_1_2={0:0}, ldv_work_struct_1_3={0:0}, p={-202914184810805067777:0}, ref_cnt=0, serial_drivers={141:0}, size=192, tmp={-202914184810805067777:0}] [L4012] return (p); VAL [\old(size)=192, \result={-202914184810805067777:0}, __this_module={3058:3021}, calloc(1UL, size)={-202914184810805067777:0}, digi_acceleport_2_device={139:0}, digi_acceleport_2_device_group0={0:0}, digi_acceleport_2_device_group1={0:0}, digi_acceleport_2_device_group2={0:0}, digi_acceleport_2_device_group3={0:0}, digi_acceleport_4_device={140:0}, digi_acceleport_4_device_group0={0:0}, digi_acceleport_4_device_group1={0:0}, digi_acceleport_4_device_group2={0:0}, digi_acceleport_4_device_group3={0:0}, id_table_2={137:0}, id_table_4={138:0}, id_table_combined={136:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=0, ldv_work_1_0=0, ldv_work_1_1=0, ldv_work_1_2=0, ldv_work_1_3=0, ldv_work_struct_1_0={0:0}, ldv_work_struct_1_1={0:0}, ldv_work_struct_1_2={0:0}, ldv_work_struct_1_3={0:0}, p={-202914184810805067777:0}, ref_cnt=0, serial_drivers={141:0}, size=192, tmp={-202914184810805067777:0}] [L6272] RET, EXPR ldv_init_zalloc(192UL) VAL [__this_module={3058:3021}, digi_acceleport_2_device={139:0}, digi_acceleport_2_device_group0={0:0}, digi_acceleport_2_device_group1={0:0}, digi_acceleport_2_device_group2={0:0}, digi_acceleport_2_device_group3={0:0}, digi_acceleport_4_device={140:0}, digi_acceleport_4_device_group0={0:0}, digi_acceleport_4_device_group1={0:0}, digi_acceleport_4_device_group2={0:0}, digi_acceleport_4_device_group3={0:0}, id_table_2={137:0}, id_table_4={138:0}, id_table_combined={136:0}, LDV_IN_INTERRUPT=1, ldv_init_zalloc(192UL)={-202914184810805067777:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=0, ldv_work_1_0=0, ldv_work_1_1=0, ldv_work_1_2=0, ldv_work_1_3=0, ldv_work_struct_1_0={0:0}, ldv_work_struct_1_1={0:0}, ldv_work_struct_1_2={0:0}, ldv_work_struct_1_3={0:0}, ref_cnt=0, serial_drivers={141:0}] [L6272] tmp = ldv_init_zalloc(192UL) [L6273] digi_acceleport_4_device_group0 = (struct urb *)tmp VAL [__this_module={3058:3021}, digi_acceleport_2_device={139:0}, digi_acceleport_2_device_group0={0:0}, digi_acceleport_2_device_group1={0:0}, digi_acceleport_2_device_group2={0:0}, digi_acceleport_2_device_group3={0:0}, digi_acceleport_4_device={140:0}, digi_acceleport_4_device_group0={-202914184810805067777:0}, digi_acceleport_4_device_group1={0:0}, digi_acceleport_4_device_group2={0:0}, digi_acceleport_4_device_group3={0:0}, id_table_2={137:0}, id_table_4={138:0}, id_table_combined={136:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=0, ldv_work_1_0=0, ldv_work_1_1=0, ldv_work_1_2=0, ldv_work_1_3=0, ldv_work_struct_1_0={0:0}, ldv_work_struct_1_1={0:0}, ldv_work_struct_1_2={0:0}, ldv_work_struct_1_3={0:0}, ref_cnt=0, serial_drivers={141:0}, tmp={-202914184810805067777:0}] [L6274] CALL, EXPR ldv_init_zalloc(3008UL) VAL [\old(size)=3008, __this_module={3058:3021}, digi_acceleport_2_device={139:0}, digi_acceleport_2_device_group0={0:0}, digi_acceleport_2_device_group1={0:0}, digi_acceleport_2_device_group2={0:0}, digi_acceleport_2_device_group3={0:0}, digi_acceleport_4_device={140:0}, digi_acceleport_4_device_group0={-202914184810805067777:0}, digi_acceleport_4_device_group1={0:0}, digi_acceleport_4_device_group2={0:0}, digi_acceleport_4_device_group3={0:0}, id_table_2={137:0}, id_table_4={138:0}, id_table_combined={136:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=0, ldv_work_1_0=0, ldv_work_1_1=0, ldv_work_1_2=0, ldv_work_1_3=0, ldv_work_struct_1_0={0:0}, ldv_work_struct_1_1={0:0}, ldv_work_struct_1_2={0:0}, ldv_work_struct_1_3={0:0}, ref_cnt=0, serial_drivers={141:0}] [L4006] void *p ; [L4007] void *tmp ; [L4009] EXPR, FCALL calloc(1UL, size) VAL [\old(size)=3008, __this_module={3058:3021}, calloc(1UL, size)={-221360928884514619393:0}, digi_acceleport_2_device={139:0}, digi_acceleport_2_device_group0={0:0}, digi_acceleport_2_device_group1={0:0}, digi_acceleport_2_device_group2={0:0}, digi_acceleport_2_device_group3={0:0}, digi_acceleport_4_device={140:0}, digi_acceleport_4_device_group0={-202914184810805067777:0}, digi_acceleport_4_device_group1={0:0}, digi_acceleport_4_device_group2={0:0}, digi_acceleport_4_device_group3={0:0}, id_table_2={137:0}, id_table_4={138:0}, id_table_combined={136:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=0, ldv_work_1_0=0, ldv_work_1_1=0, ldv_work_1_2=0, ldv_work_1_3=0, ldv_work_struct_1_0={0:0}, ldv_work_struct_1_1={0:0}, ldv_work_struct_1_2={0:0}, ldv_work_struct_1_3={0:0}, ref_cnt=0, serial_drivers={141:0}, size=3008] [L4009] tmp = calloc(1UL, size) [L4010] p = tmp VAL [\old(size)=3008, __this_module={3058:3021}, calloc(1UL, size)={-221360928884514619393:0}, digi_acceleport_2_device={139:0}, digi_acceleport_2_device_group0={0:0}, digi_acceleport_2_device_group1={0:0}, digi_acceleport_2_device_group2={0:0}, digi_acceleport_2_device_group3={0:0}, digi_acceleport_4_device={140:0}, digi_acceleport_4_device_group0={-202914184810805067777:0}, digi_acceleport_4_device_group1={0:0}, digi_acceleport_4_device_group2={0:0}, digi_acceleport_4_device_group3={0:0}, id_table_2={137:0}, id_table_4={138:0}, id_table_combined={136:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=0, ldv_work_1_0=0, ldv_work_1_1=0, ldv_work_1_2=0, ldv_work_1_3=0, ldv_work_struct_1_0={0:0}, ldv_work_struct_1_1={0:0}, ldv_work_struct_1_2={0:0}, ldv_work_struct_1_3={0:0}, p={-221360928884514619393:0}, ref_cnt=0, serial_drivers={141:0}, size=3008, tmp={-221360928884514619393:0}] [L4011] CALL assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(cond)=1, __this_module={3058:3021}, digi_acceleport_2_device={139:0}, digi_acceleport_2_device_group0={0:0}, digi_acceleport_2_device_group1={0:0}, digi_acceleport_2_device_group2={0:0}, digi_acceleport_2_device_group3={0:0}, digi_acceleport_4_device={140:0}, digi_acceleport_4_device_group0={-202914184810805067777:0}, digi_acceleport_4_device_group1={0:0}, digi_acceleport_4_device_group2={0:0}, digi_acceleport_4_device_group3={0:0}, id_table_2={137:0}, id_table_4={138:0}, id_table_combined={136:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=0, ldv_work_1_0=0, ldv_work_1_1=0, ldv_work_1_2=0, ldv_work_1_3=0, ldv_work_struct_1_0={0:0}, ldv_work_struct_1_1={0:0}, ldv_work_struct_1_2={0:0}, ldv_work_struct_1_3={0:0}, ref_cnt=0, serial_drivers={141:0}] [L3968] COND FALSE !(!cond) VAL [\old(cond)=1, __this_module={3058:3021}, cond=1, digi_acceleport_2_device={139:0}, digi_acceleport_2_device_group0={0:0}, digi_acceleport_2_device_group1={0:0}, digi_acceleport_2_device_group2={0:0}, digi_acceleport_2_device_group3={0:0}, digi_acceleport_4_device={140:0}, digi_acceleport_4_device_group0={-202914184810805067777:0}, digi_acceleport_4_device_group1={0:0}, digi_acceleport_4_device_group2={0:0}, digi_acceleport_4_device_group3={0:0}, id_table_2={137:0}, id_table_4={138:0}, id_table_combined={136:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=0, ldv_work_1_0=0, ldv_work_1_1=0, ldv_work_1_2=0, ldv_work_1_3=0, ldv_work_struct_1_0={0:0}, ldv_work_struct_1_1={0:0}, ldv_work_struct_1_2={0:0}, ldv_work_struct_1_3={0:0}, ref_cnt=0, serial_drivers={141:0}] [L4011] RET assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(size)=3008, __this_module={3058:3021}, calloc(1UL, size)={-221360928884514619393:0}, digi_acceleport_2_device={139:0}, digi_acceleport_2_device_group0={0:0}, digi_acceleport_2_device_group1={0:0}, digi_acceleport_2_device_group2={0:0}, digi_acceleport_2_device_group3={0:0}, digi_acceleport_4_device={140:0}, digi_acceleport_4_device_group0={-202914184810805067777:0}, digi_acceleport_4_device_group1={0:0}, digi_acceleport_4_device_group2={0:0}, digi_acceleport_4_device_group3={0:0}, id_table_2={137:0}, id_table_4={138:0}, id_table_combined={136:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=0, ldv_work_1_0=0, ldv_work_1_1=0, ldv_work_1_2=0, ldv_work_1_3=0, ldv_work_struct_1_0={0:0}, ldv_work_struct_1_1={0:0}, ldv_work_struct_1_2={0:0}, ldv_work_struct_1_3={0:0}, p={-221360928884514619393:0}, ref_cnt=0, serial_drivers={141:0}, size=3008, tmp={-221360928884514619393:0}] [L4012] return (p); VAL [\old(size)=3008, \result={-221360928884514619393:0}, __this_module={3058:3021}, calloc(1UL, size)={-221360928884514619393:0}, digi_acceleport_2_device={139:0}, digi_acceleport_2_device_group0={0:0}, digi_acceleport_2_device_group1={0:0}, digi_acceleport_2_device_group2={0:0}, digi_acceleport_2_device_group3={0:0}, digi_acceleport_4_device={140:0}, digi_acceleport_4_device_group0={-202914184810805067777:0}, digi_acceleport_4_device_group1={0:0}, digi_acceleport_4_device_group2={0:0}, digi_acceleport_4_device_group3={0:0}, id_table_2={137:0}, id_table_4={138:0}, id_table_combined={136:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=0, ldv_work_1_0=0, ldv_work_1_1=0, ldv_work_1_2=0, ldv_work_1_3=0, ldv_work_struct_1_0={0:0}, ldv_work_struct_1_1={0:0}, ldv_work_struct_1_2={0:0}, ldv_work_struct_1_3={0:0}, p={-221360928884514619393:0}, ref_cnt=0, serial_drivers={141:0}, size=3008, tmp={-221360928884514619393:0}] [L6274] RET, EXPR ldv_init_zalloc(3008UL) VAL [__this_module={3058:3021}, digi_acceleport_2_device={139:0}, digi_acceleport_2_device_group0={0:0}, digi_acceleport_2_device_group1={0:0}, digi_acceleport_2_device_group2={0:0}, digi_acceleport_2_device_group3={0:0}, digi_acceleport_4_device={140:0}, digi_acceleport_4_device_group0={-202914184810805067777:0}, digi_acceleport_4_device_group1={0:0}, digi_acceleport_4_device_group2={0:0}, digi_acceleport_4_device_group3={0:0}, id_table_2={137:0}, id_table_4={138:0}, id_table_combined={136:0}, LDV_IN_INTERRUPT=1, ldv_init_zalloc(3008UL)={-221360928884514619393:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=0, ldv_work_1_0=0, ldv_work_1_1=0, ldv_work_1_2=0, ldv_work_1_3=0, ldv_work_struct_1_0={0:0}, ldv_work_struct_1_1={0:0}, ldv_work_struct_1_2={0:0}, ldv_work_struct_1_3={0:0}, ref_cnt=0, serial_drivers={141:0}, tmp={-202914184810805067777:0}] [L6274] tmp___0 = ldv_init_zalloc(3008UL) [L6275] digi_acceleport_4_device_group1 = (struct usb_serial_port *)tmp___0 VAL [__this_module={3058:3021}, digi_acceleport_2_device={139:0}, digi_acceleport_2_device_group0={0:0}, digi_acceleport_2_device_group1={0:0}, digi_acceleport_2_device_group2={0:0}, digi_acceleport_2_device_group3={0:0}, digi_acceleport_4_device={140:0}, digi_acceleport_4_device_group0={-202914184810805067777:0}, digi_acceleport_4_device_group1={-221360928884514619393:0}, digi_acceleport_4_device_group2={0:0}, digi_acceleport_4_device_group3={0:0}, id_table_2={137:0}, id_table_4={138:0}, id_table_combined={136:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=0, ldv_work_1_0=0, ldv_work_1_1=0, ldv_work_1_2=0, ldv_work_1_3=0, ldv_work_struct_1_0={0:0}, ldv_work_struct_1_1={0:0}, ldv_work_struct_1_2={0:0}, ldv_work_struct_1_3={0:0}, ref_cnt=0, serial_drivers={141:0}, tmp={-202914184810805067777:0}, tmp___0={-221360928884514619393:0}] [L6276] CALL, EXPR ldv_init_zalloc(272UL) VAL [\old(size)=272, __this_module={3058:3021}, digi_acceleport_2_device={139:0}, digi_acceleport_2_device_group0={0:0}, digi_acceleport_2_device_group1={0:0}, digi_acceleport_2_device_group2={0:0}, digi_acceleport_2_device_group3={0:0}, digi_acceleport_4_device={140:0}, digi_acceleport_4_device_group0={-202914184810805067777:0}, digi_acceleport_4_device_group1={-221360928884514619393:0}, digi_acceleport_4_device_group2={0:0}, digi_acceleport_4_device_group3={0:0}, id_table_2={137:0}, id_table_4={138:0}, id_table_combined={136:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=0, ldv_work_1_0=0, ldv_work_1_1=0, ldv_work_1_2=0, ldv_work_1_3=0, ldv_work_struct_1_0={0:0}, ldv_work_struct_1_1={0:0}, ldv_work_struct_1_2={0:0}, ldv_work_struct_1_3={0:0}, ref_cnt=0, serial_drivers={141:0}] [L4006] void *p ; [L4007] void *tmp ; [L4009] EXPR, FCALL calloc(1UL, size) VAL [\old(size)=272, __this_module={3058:3021}, calloc(1UL, size)={-55340232221128654849:0}, digi_acceleport_2_device={139:0}, digi_acceleport_2_device_group0={0:0}, digi_acceleport_2_device_group1={0:0}, digi_acceleport_2_device_group2={0:0}, digi_acceleport_2_device_group3={0:0}, digi_acceleport_4_device={140:0}, digi_acceleport_4_device_group0={-202914184810805067777:0}, digi_acceleport_4_device_group1={-221360928884514619393:0}, digi_acceleport_4_device_group2={0:0}, digi_acceleport_4_device_group3={0:0}, id_table_2={137:0}, id_table_4={138:0}, id_table_combined={136:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=0, ldv_work_1_0=0, ldv_work_1_1=0, ldv_work_1_2=0, ldv_work_1_3=0, ldv_work_struct_1_0={0:0}, ldv_work_struct_1_1={0:0}, ldv_work_struct_1_2={0:0}, ldv_work_struct_1_3={0:0}, ref_cnt=0, serial_drivers={141:0}, size=272] [L4009] tmp = calloc(1UL, size) [L4010] p = tmp VAL [\old(size)=272, __this_module={3058:3021}, calloc(1UL, size)={-55340232221128654849:0}, digi_acceleport_2_device={139:0}, digi_acceleport_2_device_group0={0:0}, digi_acceleport_2_device_group1={0:0}, digi_acceleport_2_device_group2={0:0}, digi_acceleport_2_device_group3={0:0}, digi_acceleport_4_device={140:0}, digi_acceleport_4_device_group0={-202914184810805067777:0}, digi_acceleport_4_device_group1={-221360928884514619393:0}, digi_acceleport_4_device_group2={0:0}, digi_acceleport_4_device_group3={0:0}, id_table_2={137:0}, id_table_4={138:0}, id_table_combined={136:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=0, ldv_work_1_0=0, ldv_work_1_1=0, ldv_work_1_2=0, ldv_work_1_3=0, ldv_work_struct_1_0={0:0}, ldv_work_struct_1_1={0:0}, ldv_work_struct_1_2={0:0}, ldv_work_struct_1_3={0:0}, p={-55340232221128654849:0}, ref_cnt=0, serial_drivers={141:0}, size=272, tmp={-55340232221128654849:0}] [L4011] CALL assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(cond)=1, __this_module={3058:3021}, digi_acceleport_2_device={139:0}, digi_acceleport_2_device_group0={0:0}, digi_acceleport_2_device_group1={0:0}, digi_acceleport_2_device_group2={0:0}, digi_acceleport_2_device_group3={0:0}, digi_acceleport_4_device={140:0}, digi_acceleport_4_device_group0={-202914184810805067777:0}, digi_acceleport_4_device_group1={-221360928884514619393:0}, digi_acceleport_4_device_group2={0:0}, digi_acceleport_4_device_group3={0:0}, id_table_2={137:0}, id_table_4={138:0}, id_table_combined={136:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=0, ldv_work_1_0=0, ldv_work_1_1=0, ldv_work_1_2=0, ldv_work_1_3=0, ldv_work_struct_1_0={0:0}, ldv_work_struct_1_1={0:0}, ldv_work_struct_1_2={0:0}, ldv_work_struct_1_3={0:0}, ref_cnt=0, serial_drivers={141:0}] [L3968] COND FALSE !(!cond) VAL [\old(cond)=1, __this_module={3058:3021}, cond=1, digi_acceleport_2_device={139:0}, digi_acceleport_2_device_group0={0:0}, digi_acceleport_2_device_group1={0:0}, digi_acceleport_2_device_group2={0:0}, digi_acceleport_2_device_group3={0:0}, digi_acceleport_4_device={140:0}, digi_acceleport_4_device_group0={-202914184810805067777:0}, digi_acceleport_4_device_group1={-221360928884514619393:0}, digi_acceleport_4_device_group2={0:0}, digi_acceleport_4_device_group3={0:0}, id_table_2={137:0}, id_table_4={138:0}, id_table_combined={136:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=0, ldv_work_1_0=0, ldv_work_1_1=0, ldv_work_1_2=0, ldv_work_1_3=0, ldv_work_struct_1_0={0:0}, ldv_work_struct_1_1={0:0}, ldv_work_struct_1_2={0:0}, ldv_work_struct_1_3={0:0}, ref_cnt=0, serial_drivers={141:0}] [L4011] RET assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(size)=272, __this_module={3058:3021}, calloc(1UL, size)={-55340232221128654849:0}, digi_acceleport_2_device={139:0}, digi_acceleport_2_device_group0={0:0}, digi_acceleport_2_device_group1={0:0}, digi_acceleport_2_device_group2={0:0}, digi_acceleport_2_device_group3={0:0}, digi_acceleport_4_device={140:0}, digi_acceleport_4_device_group0={-202914184810805067777:0}, digi_acceleport_4_device_group1={-221360928884514619393:0}, digi_acceleport_4_device_group2={0:0}, digi_acceleport_4_device_group3={0:0}, id_table_2={137:0}, id_table_4={138:0}, id_table_combined={136:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=0, ldv_work_1_0=0, ldv_work_1_1=0, ldv_work_1_2=0, ldv_work_1_3=0, ldv_work_struct_1_0={0:0}, ldv_work_struct_1_1={0:0}, ldv_work_struct_1_2={0:0}, ldv_work_struct_1_3={0:0}, p={-55340232221128654849:0}, ref_cnt=0, serial_drivers={141:0}, size=272, tmp={-55340232221128654849:0}] [L4012] return (p); VAL [\old(size)=272, \result={-55340232221128654849:0}, __this_module={3058:3021}, calloc(1UL, size)={-55340232221128654849:0}, digi_acceleport_2_device={139:0}, digi_acceleport_2_device_group0={0:0}, digi_acceleport_2_device_group1={0:0}, digi_acceleport_2_device_group2={0:0}, digi_acceleport_2_device_group3={0:0}, digi_acceleport_4_device={140:0}, digi_acceleport_4_device_group0={-202914184810805067777:0}, digi_acceleport_4_device_group1={-221360928884514619393:0}, digi_acceleport_4_device_group2={0:0}, digi_acceleport_4_device_group3={0:0}, id_table_2={137:0}, id_table_4={138:0}, id_table_combined={136:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=0, ldv_work_1_0=0, ldv_work_1_1=0, ldv_work_1_2=0, ldv_work_1_3=0, ldv_work_struct_1_0={0:0}, ldv_work_struct_1_1={0:0}, ldv_work_struct_1_2={0:0}, ldv_work_struct_1_3={0:0}, p={-55340232221128654849:0}, ref_cnt=0, serial_drivers={141:0}, size=272, tmp={-55340232221128654849:0}] [L6276] RET, EXPR ldv_init_zalloc(272UL) VAL [__this_module={3058:3021}, digi_acceleport_2_device={139:0}, digi_acceleport_2_device_group0={0:0}, digi_acceleport_2_device_group1={0:0}, digi_acceleport_2_device_group2={0:0}, digi_acceleport_2_device_group3={0:0}, digi_acceleport_4_device={140:0}, digi_acceleport_4_device_group0={-202914184810805067777:0}, digi_acceleport_4_device_group1={-221360928884514619393:0}, digi_acceleport_4_device_group2={0:0}, digi_acceleport_4_device_group3={0:0}, id_table_2={137:0}, id_table_4={138:0}, id_table_combined={136:0}, LDV_IN_INTERRUPT=1, ldv_init_zalloc(272UL)={-55340232221128654849:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=0, ldv_work_1_0=0, ldv_work_1_1=0, ldv_work_1_2=0, ldv_work_1_3=0, ldv_work_struct_1_0={0:0}, ldv_work_struct_1_1={0:0}, ldv_work_struct_1_2={0:0}, ldv_work_struct_1_3={0:0}, ref_cnt=0, serial_drivers={141:0}, tmp={-202914184810805067777:0}, tmp___0={-221360928884514619393:0}] [L6276] tmp___1 = ldv_init_zalloc(272UL) [L6277] digi_acceleport_4_device_group2 = (struct usb_serial *)tmp___1 VAL [__this_module={3058:3021}, digi_acceleport_2_device={139:0}, digi_acceleport_2_device_group0={0:0}, digi_acceleport_2_device_group1={0:0}, digi_acceleport_2_device_group2={0:0}, digi_acceleport_2_device_group3={0:0}, digi_acceleport_4_device={140:0}, digi_acceleport_4_device_group0={-202914184810805067777:0}, digi_acceleport_4_device_group1={-221360928884514619393:0}, digi_acceleport_4_device_group2={-55340232221128654849:0}, digi_acceleport_4_device_group3={0:0}, id_table_2={137:0}, id_table_4={138:0}, id_table_combined={136:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=0, ldv_work_1_0=0, ldv_work_1_1=0, ldv_work_1_2=0, ldv_work_1_3=0, ldv_work_struct_1_0={0:0}, ldv_work_struct_1_1={0:0}, ldv_work_struct_1_2={0:0}, ldv_work_struct_1_3={0:0}, ref_cnt=0, serial_drivers={141:0}, tmp={-202914184810805067777:0}, tmp___0={-221360928884514619393:0}, tmp___1={-55340232221128654849:0}] [L6278] CALL, EXPR ldv_init_zalloc(1816UL) VAL [\old(size)=1816, __this_module={3058:3021}, digi_acceleport_2_device={139:0}, digi_acceleport_2_device_group0={0:0}, digi_acceleport_2_device_group1={0:0}, digi_acceleport_2_device_group2={0:0}, digi_acceleport_2_device_group3={0:0}, digi_acceleport_4_device={140:0}, digi_acceleport_4_device_group0={-202914184810805067777:0}, digi_acceleport_4_device_group1={-221360928884514619393:0}, digi_acceleport_4_device_group2={-55340232221128654849:0}, digi_acceleport_4_device_group3={0:0}, id_table_2={137:0}, id_table_4={138:0}, id_table_combined={136:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=0, ldv_work_1_0=0, ldv_work_1_1=0, ldv_work_1_2=0, ldv_work_1_3=0, ldv_work_struct_1_0={0:0}, ldv_work_struct_1_1={0:0}, ldv_work_struct_1_2={0:0}, ldv_work_struct_1_3={0:0}, ref_cnt=0, serial_drivers={141:0}] [L4006] void *p ; [L4007] void *tmp ; [L4009] EXPR, FCALL calloc(1UL, size) VAL [\old(size)=1816, __this_module={3058:3021}, calloc(1UL, size)={-73786976294838206465:0}, digi_acceleport_2_device={139:0}, digi_acceleport_2_device_group0={0:0}, digi_acceleport_2_device_group1={0:0}, digi_acceleport_2_device_group2={0:0}, digi_acceleport_2_device_group3={0:0}, digi_acceleport_4_device={140:0}, digi_acceleport_4_device_group0={-202914184810805067777:0}, digi_acceleport_4_device_group1={-221360928884514619393:0}, digi_acceleport_4_device_group2={-55340232221128654849:0}, digi_acceleport_4_device_group3={0:0}, id_table_2={137:0}, id_table_4={138:0}, id_table_combined={136:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=0, ldv_work_1_0=0, ldv_work_1_1=0, ldv_work_1_2=0, ldv_work_1_3=0, ldv_work_struct_1_0={0:0}, ldv_work_struct_1_1={0:0}, ldv_work_struct_1_2={0:0}, ldv_work_struct_1_3={0:0}, ref_cnt=0, serial_drivers={141:0}, size=1816] [L4009] tmp = calloc(1UL, size) [L4010] p = tmp VAL [\old(size)=1816, __this_module={3058:3021}, calloc(1UL, size)={-73786976294838206465:0}, digi_acceleport_2_device={139:0}, digi_acceleport_2_device_group0={0:0}, digi_acceleport_2_device_group1={0:0}, digi_acceleport_2_device_group2={0:0}, digi_acceleport_2_device_group3={0:0}, digi_acceleport_4_device={140:0}, digi_acceleport_4_device_group0={-202914184810805067777:0}, digi_acceleport_4_device_group1={-221360928884514619393:0}, digi_acceleport_4_device_group2={-55340232221128654849:0}, digi_acceleport_4_device_group3={0:0}, id_table_2={137:0}, id_table_4={138:0}, id_table_combined={136:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=0, ldv_work_1_0=0, ldv_work_1_1=0, ldv_work_1_2=0, ldv_work_1_3=0, ldv_work_struct_1_0={0:0}, ldv_work_struct_1_1={0:0}, ldv_work_struct_1_2={0:0}, ldv_work_struct_1_3={0:0}, p={-73786976294838206465:0}, ref_cnt=0, serial_drivers={141:0}, size=1816, tmp={-73786976294838206465:0}] [L4011] CALL assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(cond)=1, __this_module={3058:3021}, digi_acceleport_2_device={139:0}, digi_acceleport_2_device_group0={0:0}, digi_acceleport_2_device_group1={0:0}, digi_acceleport_2_device_group2={0:0}, digi_acceleport_2_device_group3={0:0}, digi_acceleport_4_device={140:0}, digi_acceleport_4_device_group0={-202914184810805067777:0}, digi_acceleport_4_device_group1={-221360928884514619393:0}, digi_acceleport_4_device_group2={-55340232221128654849:0}, digi_acceleport_4_device_group3={0:0}, id_table_2={137:0}, id_table_4={138:0}, id_table_combined={136:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=0, ldv_work_1_0=0, ldv_work_1_1=0, ldv_work_1_2=0, ldv_work_1_3=0, ldv_work_struct_1_0={0:0}, ldv_work_struct_1_1={0:0}, ldv_work_struct_1_2={0:0}, ldv_work_struct_1_3={0:0}, ref_cnt=0, serial_drivers={141:0}] [L3968] COND FALSE !(!cond) VAL [\old(cond)=1, __this_module={3058:3021}, cond=1, digi_acceleport_2_device={139:0}, digi_acceleport_2_device_group0={0:0}, digi_acceleport_2_device_group1={0:0}, digi_acceleport_2_device_group2={0:0}, digi_acceleport_2_device_group3={0:0}, digi_acceleport_4_device={140:0}, digi_acceleport_4_device_group0={-202914184810805067777:0}, digi_acceleport_4_device_group1={-221360928884514619393:0}, digi_acceleport_4_device_group2={-55340232221128654849:0}, digi_acceleport_4_device_group3={0:0}, id_table_2={137:0}, id_table_4={138:0}, id_table_combined={136:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=0, ldv_work_1_0=0, ldv_work_1_1=0, ldv_work_1_2=0, ldv_work_1_3=0, ldv_work_struct_1_0={0:0}, ldv_work_struct_1_1={0:0}, ldv_work_struct_1_2={0:0}, ldv_work_struct_1_3={0:0}, ref_cnt=0, serial_drivers={141:0}] [L4011] RET assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(size)=1816, __this_module={3058:3021}, calloc(1UL, size)={-73786976294838206465:0}, digi_acceleport_2_device={139:0}, digi_acceleport_2_device_group0={0:0}, digi_acceleport_2_device_group1={0:0}, digi_acceleport_2_device_group2={0:0}, digi_acceleport_2_device_group3={0:0}, digi_acceleport_4_device={140:0}, digi_acceleport_4_device_group0={-202914184810805067777:0}, digi_acceleport_4_device_group1={-221360928884514619393:0}, digi_acceleport_4_device_group2={-55340232221128654849:0}, digi_acceleport_4_device_group3={0:0}, id_table_2={137:0}, id_table_4={138:0}, id_table_combined={136:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=0, ldv_work_1_0=0, ldv_work_1_1=0, ldv_work_1_2=0, ldv_work_1_3=0, ldv_work_struct_1_0={0:0}, ldv_work_struct_1_1={0:0}, ldv_work_struct_1_2={0:0}, ldv_work_struct_1_3={0:0}, p={-73786976294838206465:0}, ref_cnt=0, serial_drivers={141:0}, size=1816, tmp={-73786976294838206465:0}] [L4012] return (p); VAL [\old(size)=1816, \result={-73786976294838206465:0}, __this_module={3058:3021}, calloc(1UL, size)={-73786976294838206465:0}, digi_acceleport_2_device={139:0}, digi_acceleport_2_device_group0={0:0}, digi_acceleport_2_device_group1={0:0}, digi_acceleport_2_device_group2={0:0}, digi_acceleport_2_device_group3={0:0}, digi_acceleport_4_device={140:0}, digi_acceleport_4_device_group0={-202914184810805067777:0}, digi_acceleport_4_device_group1={-221360928884514619393:0}, digi_acceleport_4_device_group2={-55340232221128654849:0}, digi_acceleport_4_device_group3={0:0}, id_table_2={137:0}, id_table_4={138:0}, id_table_combined={136:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=0, ldv_work_1_0=0, ldv_work_1_1=0, ldv_work_1_2=0, ldv_work_1_3=0, ldv_work_struct_1_0={0:0}, ldv_work_struct_1_1={0:0}, ldv_work_struct_1_2={0:0}, ldv_work_struct_1_3={0:0}, p={-73786976294838206465:0}, ref_cnt=0, serial_drivers={141:0}, size=1816, tmp={-73786976294838206465:0}] [L6278] RET, EXPR ldv_init_zalloc(1816UL) VAL [__this_module={3058:3021}, digi_acceleport_2_device={139:0}, digi_acceleport_2_device_group0={0:0}, digi_acceleport_2_device_group1={0:0}, digi_acceleport_2_device_group2={0:0}, digi_acceleport_2_device_group3={0:0}, digi_acceleport_4_device={140:0}, digi_acceleport_4_device_group0={-202914184810805067777:0}, digi_acceleport_4_device_group1={-221360928884514619393:0}, digi_acceleport_4_device_group2={-55340232221128654849:0}, digi_acceleport_4_device_group3={0:0}, id_table_2={137:0}, id_table_4={138:0}, id_table_combined={136:0}, LDV_IN_INTERRUPT=1, ldv_init_zalloc(1816UL)={-73786976294838206465:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=0, ldv_work_1_0=0, ldv_work_1_1=0, ldv_work_1_2=0, ldv_work_1_3=0, ldv_work_struct_1_0={0:0}, ldv_work_struct_1_1={0:0}, ldv_work_struct_1_2={0:0}, ldv_work_struct_1_3={0:0}, ref_cnt=0, serial_drivers={141:0}, tmp={-202914184810805067777:0}, tmp___0={-221360928884514619393:0}, tmp___1={-55340232221128654849:0}] [L6278] tmp___2 = ldv_init_zalloc(1816UL) [L6279] digi_acceleport_4_device_group3 = (struct tty_struct *)tmp___2 VAL [__this_module={3058:3021}, digi_acceleport_2_device={139:0}, digi_acceleport_2_device_group0={0:0}, digi_acceleport_2_device_group1={0:0}, digi_acceleport_2_device_group2={0:0}, digi_acceleport_2_device_group3={0:0}, digi_acceleport_4_device={140:0}, digi_acceleport_4_device_group0={-202914184810805067777:0}, digi_acceleport_4_device_group1={-221360928884514619393:0}, digi_acceleport_4_device_group2={-55340232221128654849:0}, digi_acceleport_4_device_group3={-73786976294838206465:0}, id_table_2={137:0}, id_table_4={138:0}, id_table_combined={136:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=0, ldv_work_1_0=0, ldv_work_1_1=0, ldv_work_1_2=0, ldv_work_1_3=0, ldv_work_struct_1_0={0:0}, ldv_work_struct_1_1={0:0}, ldv_work_struct_1_2={0:0}, ldv_work_struct_1_3={0:0}, ref_cnt=0, serial_drivers={141:0}, tmp={-202914184810805067777:0}, tmp___0={-221360928884514619393:0}, tmp___1={-55340232221128654849:0}, tmp___2={-73786976294838206465:0}] [L6438] RET ldv_initialize_usb_serial_driver_2() [L6439] ldv_state_variable_3 = 1 [L6440] CALL ldv_initialize_usb_serial_driver_3() [L6337] void *tmp ; [L6338] void *tmp___0 ; [L6339] void *tmp___1 ; [L6340] void *tmp___2 ; VAL [__this_module={3058:3021}, digi_acceleport_2_device={139:0}, digi_acceleport_2_device_group0={0:0}, digi_acceleport_2_device_group1={0:0}, digi_acceleport_2_device_group2={0:0}, digi_acceleport_2_device_group3={0:0}, digi_acceleport_4_device={140:0}, digi_acceleport_4_device_group0={-202914184810805067777:0}, digi_acceleport_4_device_group1={-221360928884514619393:0}, digi_acceleport_4_device_group2={-55340232221128654849:0}, digi_acceleport_4_device_group3={-73786976294838206465:0}, id_table_2={137:0}, id_table_4={138:0}, id_table_combined={136:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_work_1_0=0, ldv_work_1_1=0, ldv_work_1_2=0, ldv_work_1_3=0, ldv_work_struct_1_0={0:0}, ldv_work_struct_1_1={0:0}, ldv_work_struct_1_2={0:0}, ldv_work_struct_1_3={0:0}, ref_cnt=0, serial_drivers={141:0}] [L6342] CALL, EXPR ldv_init_zalloc(192UL) VAL [\old(size)=192, __this_module={3058:3021}, digi_acceleport_2_device={139:0}, digi_acceleport_2_device_group0={0:0}, digi_acceleport_2_device_group1={0:0}, digi_acceleport_2_device_group2={0:0}, digi_acceleport_2_device_group3={0:0}, digi_acceleport_4_device={140:0}, digi_acceleport_4_device_group0={-202914184810805067777:0}, digi_acceleport_4_device_group1={-221360928884514619393:0}, digi_acceleport_4_device_group2={-55340232221128654849:0}, digi_acceleport_4_device_group3={-73786976294838206465:0}, id_table_2={137:0}, id_table_4={138:0}, id_table_combined={136:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_work_1_0=0, ldv_work_1_1=0, ldv_work_1_2=0, ldv_work_1_3=0, ldv_work_struct_1_0={0:0}, ldv_work_struct_1_1={0:0}, ldv_work_struct_1_2={0:0}, ldv_work_struct_1_3={0:0}, ref_cnt=0, serial_drivers={141:0}] [L4006] void *p ; [L4007] void *tmp ; [L4009] EXPR, FCALL calloc(1UL, size) VAL [\old(size)=192, __this_module={3058:3021}, calloc(1UL, size)={-92233720368547758081:0}, digi_acceleport_2_device={139:0}, digi_acceleport_2_device_group0={0:0}, digi_acceleport_2_device_group1={0:0}, digi_acceleport_2_device_group2={0:0}, digi_acceleport_2_device_group3={0:0}, digi_acceleport_4_device={140:0}, digi_acceleport_4_device_group0={-202914184810805067777:0}, digi_acceleport_4_device_group1={-221360928884514619393:0}, digi_acceleport_4_device_group2={-55340232221128654849:0}, digi_acceleport_4_device_group3={-73786976294838206465:0}, id_table_2={137:0}, id_table_4={138:0}, id_table_combined={136:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_work_1_0=0, ldv_work_1_1=0, ldv_work_1_2=0, ldv_work_1_3=0, ldv_work_struct_1_0={0:0}, ldv_work_struct_1_1={0:0}, ldv_work_struct_1_2={0:0}, ldv_work_struct_1_3={0:0}, ref_cnt=0, serial_drivers={141:0}, size=192] [L4009] tmp = calloc(1UL, size) [L4010] p = tmp VAL [\old(size)=192, __this_module={3058:3021}, calloc(1UL, size)={-92233720368547758081:0}, digi_acceleport_2_device={139:0}, digi_acceleport_2_device_group0={0:0}, digi_acceleport_2_device_group1={0:0}, digi_acceleport_2_device_group2={0:0}, digi_acceleport_2_device_group3={0:0}, digi_acceleport_4_device={140:0}, digi_acceleport_4_device_group0={-202914184810805067777:0}, digi_acceleport_4_device_group1={-221360928884514619393:0}, digi_acceleport_4_device_group2={-55340232221128654849:0}, digi_acceleport_4_device_group3={-73786976294838206465:0}, id_table_2={137:0}, id_table_4={138:0}, id_table_combined={136:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_work_1_0=0, ldv_work_1_1=0, ldv_work_1_2=0, ldv_work_1_3=0, ldv_work_struct_1_0={0:0}, ldv_work_struct_1_1={0:0}, ldv_work_struct_1_2={0:0}, ldv_work_struct_1_3={0:0}, p={-92233720368547758081:0}, ref_cnt=0, serial_drivers={141:0}, size=192, tmp={-92233720368547758081:0}] [L4011] CALL assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(cond)=1, __this_module={3058:3021}, digi_acceleport_2_device={139:0}, digi_acceleport_2_device_group0={0:0}, digi_acceleport_2_device_group1={0:0}, digi_acceleport_2_device_group2={0:0}, digi_acceleport_2_device_group3={0:0}, digi_acceleport_4_device={140:0}, digi_acceleport_4_device_group0={-202914184810805067777:0}, digi_acceleport_4_device_group1={-221360928884514619393:0}, digi_acceleport_4_device_group2={-55340232221128654849:0}, digi_acceleport_4_device_group3={-73786976294838206465:0}, id_table_2={137:0}, id_table_4={138:0}, id_table_combined={136:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_work_1_0=0, ldv_work_1_1=0, ldv_work_1_2=0, ldv_work_1_3=0, ldv_work_struct_1_0={0:0}, ldv_work_struct_1_1={0:0}, ldv_work_struct_1_2={0:0}, ldv_work_struct_1_3={0:0}, ref_cnt=0, serial_drivers={141:0}] [L3968] COND FALSE !(!cond) VAL [\old(cond)=1, __this_module={3058:3021}, cond=1, digi_acceleport_2_device={139:0}, digi_acceleport_2_device_group0={0:0}, digi_acceleport_2_device_group1={0:0}, digi_acceleport_2_device_group2={0:0}, digi_acceleport_2_device_group3={0:0}, digi_acceleport_4_device={140:0}, digi_acceleport_4_device_group0={-202914184810805067777:0}, digi_acceleport_4_device_group1={-221360928884514619393:0}, digi_acceleport_4_device_group2={-55340232221128654849:0}, digi_acceleport_4_device_group3={-73786976294838206465:0}, id_table_2={137:0}, id_table_4={138:0}, id_table_combined={136:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_work_1_0=0, ldv_work_1_1=0, ldv_work_1_2=0, ldv_work_1_3=0, ldv_work_struct_1_0={0:0}, ldv_work_struct_1_1={0:0}, ldv_work_struct_1_2={0:0}, ldv_work_struct_1_3={0:0}, ref_cnt=0, serial_drivers={141:0}] [L4011] RET assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(size)=192, __this_module={3058:3021}, calloc(1UL, size)={-92233720368547758081:0}, digi_acceleport_2_device={139:0}, digi_acceleport_2_device_group0={0:0}, digi_acceleport_2_device_group1={0:0}, digi_acceleport_2_device_group2={0:0}, digi_acceleport_2_device_group3={0:0}, digi_acceleport_4_device={140:0}, digi_acceleport_4_device_group0={-202914184810805067777:0}, digi_acceleport_4_device_group1={-221360928884514619393:0}, digi_acceleport_4_device_group2={-55340232221128654849:0}, digi_acceleport_4_device_group3={-73786976294838206465:0}, id_table_2={137:0}, id_table_4={138:0}, id_table_combined={136:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_work_1_0=0, ldv_work_1_1=0, ldv_work_1_2=0, ldv_work_1_3=0, ldv_work_struct_1_0={0:0}, ldv_work_struct_1_1={0:0}, ldv_work_struct_1_2={0:0}, ldv_work_struct_1_3={0:0}, p={-92233720368547758081:0}, ref_cnt=0, serial_drivers={141:0}, size=192, tmp={-92233720368547758081:0}] [L4012] return (p); VAL [\old(size)=192, \result={-92233720368547758081:0}, __this_module={3058:3021}, calloc(1UL, size)={-92233720368547758081:0}, digi_acceleport_2_device={139:0}, digi_acceleport_2_device_group0={0:0}, digi_acceleport_2_device_group1={0:0}, digi_acceleport_2_device_group2={0:0}, digi_acceleport_2_device_group3={0:0}, digi_acceleport_4_device={140:0}, digi_acceleport_4_device_group0={-202914184810805067777:0}, digi_acceleport_4_device_group1={-221360928884514619393:0}, digi_acceleport_4_device_group2={-55340232221128654849:0}, digi_acceleport_4_device_group3={-73786976294838206465:0}, id_table_2={137:0}, id_table_4={138:0}, id_table_combined={136:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_work_1_0=0, ldv_work_1_1=0, ldv_work_1_2=0, ldv_work_1_3=0, ldv_work_struct_1_0={0:0}, ldv_work_struct_1_1={0:0}, ldv_work_struct_1_2={0:0}, ldv_work_struct_1_3={0:0}, p={-92233720368547758081:0}, ref_cnt=0, serial_drivers={141:0}, size=192, tmp={-92233720368547758081:0}] [L6342] RET, EXPR ldv_init_zalloc(192UL) VAL [__this_module={3058:3021}, digi_acceleport_2_device={139:0}, digi_acceleport_2_device_group0={0:0}, digi_acceleport_2_device_group1={0:0}, digi_acceleport_2_device_group2={0:0}, digi_acceleport_2_device_group3={0:0}, digi_acceleport_4_device={140:0}, digi_acceleport_4_device_group0={-202914184810805067777:0}, digi_acceleport_4_device_group1={-221360928884514619393:0}, digi_acceleport_4_device_group2={-55340232221128654849:0}, digi_acceleport_4_device_group3={-73786976294838206465:0}, id_table_2={137:0}, id_table_4={138:0}, id_table_combined={136:0}, LDV_IN_INTERRUPT=1, ldv_init_zalloc(192UL)={-92233720368547758081:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_work_1_0=0, ldv_work_1_1=0, ldv_work_1_2=0, ldv_work_1_3=0, ldv_work_struct_1_0={0:0}, ldv_work_struct_1_1={0:0}, ldv_work_struct_1_2={0:0}, ldv_work_struct_1_3={0:0}, ref_cnt=0, serial_drivers={141:0}] [L6342] tmp = ldv_init_zalloc(192UL) [L6343] digi_acceleport_2_device_group0 = (struct urb *)tmp VAL [__this_module={3058:3021}, digi_acceleport_2_device={139:0}, digi_acceleport_2_device_group0={-92233720368547758081:0}, digi_acceleport_2_device_group1={0:0}, digi_acceleport_2_device_group2={0:0}, digi_acceleport_2_device_group3={0:0}, digi_acceleport_4_device={140:0}, digi_acceleport_4_device_group0={-202914184810805067777:0}, digi_acceleport_4_device_group1={-221360928884514619393:0}, digi_acceleport_4_device_group2={-55340232221128654849:0}, digi_acceleport_4_device_group3={-73786976294838206465:0}, id_table_2={137:0}, id_table_4={138:0}, id_table_combined={136:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_work_1_0=0, ldv_work_1_1=0, ldv_work_1_2=0, ldv_work_1_3=0, ldv_work_struct_1_0={0:0}, ldv_work_struct_1_1={0:0}, ldv_work_struct_1_2={0:0}, ldv_work_struct_1_3={0:0}, ref_cnt=0, serial_drivers={141:0}, tmp={-92233720368547758081:0}] [L6344] CALL, EXPR ldv_init_zalloc(3008UL) VAL [\old(size)=3008, __this_module={3058:3021}, digi_acceleport_2_device={139:0}, digi_acceleport_2_device_group0={-92233720368547758081:0}, digi_acceleport_2_device_group1={0:0}, digi_acceleport_2_device_group2={0:0}, digi_acceleport_2_device_group3={0:0}, digi_acceleport_4_device={140:0}, digi_acceleport_4_device_group0={-202914184810805067777:0}, digi_acceleport_4_device_group1={-221360928884514619393:0}, digi_acceleport_4_device_group2={-55340232221128654849:0}, digi_acceleport_4_device_group3={-73786976294838206465:0}, id_table_2={137:0}, id_table_4={138:0}, id_table_combined={136:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_work_1_0=0, ldv_work_1_1=0, ldv_work_1_2=0, ldv_work_1_3=0, ldv_work_struct_1_0={0:0}, ldv_work_struct_1_1={0:0}, ldv_work_struct_1_2={0:0}, ldv_work_struct_1_3={0:0}, ref_cnt=0, serial_drivers={141:0}] [L4006] void *p ; [L4007] void *tmp ; [L4009] EXPR, FCALL calloc(1UL, size) VAL [\old(size)=3008, __this_module={3058:3021}, calloc(1UL, size)={-110680464442257309697:0}, digi_acceleport_2_device={139:0}, digi_acceleport_2_device_group0={-92233720368547758081:0}, digi_acceleport_2_device_group1={0:0}, digi_acceleport_2_device_group2={0:0}, digi_acceleport_2_device_group3={0:0}, digi_acceleport_4_device={140:0}, digi_acceleport_4_device_group0={-202914184810805067777:0}, digi_acceleport_4_device_group1={-221360928884514619393:0}, digi_acceleport_4_device_group2={-55340232221128654849:0}, digi_acceleport_4_device_group3={-73786976294838206465:0}, id_table_2={137:0}, id_table_4={138:0}, id_table_combined={136:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_work_1_0=0, ldv_work_1_1=0, ldv_work_1_2=0, ldv_work_1_3=0, ldv_work_struct_1_0={0:0}, ldv_work_struct_1_1={0:0}, ldv_work_struct_1_2={0:0}, ldv_work_struct_1_3={0:0}, ref_cnt=0, serial_drivers={141:0}, size=3008] [L4009] tmp = calloc(1UL, size) [L4010] p = tmp VAL [\old(size)=3008, __this_module={3058:3021}, calloc(1UL, size)={-110680464442257309697:0}, digi_acceleport_2_device={139:0}, digi_acceleport_2_device_group0={-92233720368547758081:0}, digi_acceleport_2_device_group1={0:0}, digi_acceleport_2_device_group2={0:0}, digi_acceleport_2_device_group3={0:0}, digi_acceleport_4_device={140:0}, digi_acceleport_4_device_group0={-202914184810805067777:0}, digi_acceleport_4_device_group1={-221360928884514619393:0}, digi_acceleport_4_device_group2={-55340232221128654849:0}, digi_acceleport_4_device_group3={-73786976294838206465:0}, id_table_2={137:0}, id_table_4={138:0}, id_table_combined={136:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_work_1_0=0, ldv_work_1_1=0, ldv_work_1_2=0, ldv_work_1_3=0, ldv_work_struct_1_0={0:0}, ldv_work_struct_1_1={0:0}, ldv_work_struct_1_2={0:0}, ldv_work_struct_1_3={0:0}, p={-110680464442257309697:0}, ref_cnt=0, serial_drivers={141:0}, size=3008, tmp={-110680464442257309697:0}] [L4011] CALL assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(cond)=1, __this_module={3058:3021}, digi_acceleport_2_device={139:0}, digi_acceleport_2_device_group0={-92233720368547758081:0}, digi_acceleport_2_device_group1={0:0}, digi_acceleport_2_device_group2={0:0}, digi_acceleport_2_device_group3={0:0}, digi_acceleport_4_device={140:0}, digi_acceleport_4_device_group0={-202914184810805067777:0}, digi_acceleport_4_device_group1={-221360928884514619393:0}, digi_acceleport_4_device_group2={-55340232221128654849:0}, digi_acceleport_4_device_group3={-73786976294838206465:0}, id_table_2={137:0}, id_table_4={138:0}, id_table_combined={136:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_work_1_0=0, ldv_work_1_1=0, ldv_work_1_2=0, ldv_work_1_3=0, ldv_work_struct_1_0={0:0}, ldv_work_struct_1_1={0:0}, ldv_work_struct_1_2={0:0}, ldv_work_struct_1_3={0:0}, ref_cnt=0, serial_drivers={141:0}] [L3968] COND FALSE !(!cond) VAL [\old(cond)=1, __this_module={3058:3021}, cond=1, digi_acceleport_2_device={139:0}, digi_acceleport_2_device_group0={-92233720368547758081:0}, digi_acceleport_2_device_group1={0:0}, digi_acceleport_2_device_group2={0:0}, digi_acceleport_2_device_group3={0:0}, digi_acceleport_4_device={140:0}, digi_acceleport_4_device_group0={-202914184810805067777:0}, digi_acceleport_4_device_group1={-221360928884514619393:0}, digi_acceleport_4_device_group2={-55340232221128654849:0}, digi_acceleport_4_device_group3={-73786976294838206465:0}, id_table_2={137:0}, id_table_4={138:0}, id_table_combined={136:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_work_1_0=0, ldv_work_1_1=0, ldv_work_1_2=0, ldv_work_1_3=0, ldv_work_struct_1_0={0:0}, ldv_work_struct_1_1={0:0}, ldv_work_struct_1_2={0:0}, ldv_work_struct_1_3={0:0}, ref_cnt=0, serial_drivers={141:0}] [L4011] RET assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(size)=3008, __this_module={3058:3021}, calloc(1UL, size)={-110680464442257309697:0}, digi_acceleport_2_device={139:0}, digi_acceleport_2_device_group0={-92233720368547758081:0}, digi_acceleport_2_device_group1={0:0}, digi_acceleport_2_device_group2={0:0}, digi_acceleport_2_device_group3={0:0}, digi_acceleport_4_device={140:0}, digi_acceleport_4_device_group0={-202914184810805067777:0}, digi_acceleport_4_device_group1={-221360928884514619393:0}, digi_acceleport_4_device_group2={-55340232221128654849:0}, digi_acceleport_4_device_group3={-73786976294838206465:0}, id_table_2={137:0}, id_table_4={138:0}, id_table_combined={136:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_work_1_0=0, ldv_work_1_1=0, ldv_work_1_2=0, ldv_work_1_3=0, ldv_work_struct_1_0={0:0}, ldv_work_struct_1_1={0:0}, ldv_work_struct_1_2={0:0}, ldv_work_struct_1_3={0:0}, p={-110680464442257309697:0}, ref_cnt=0, serial_drivers={141:0}, size=3008, tmp={-110680464442257309697:0}] [L4012] return (p); VAL [\old(size)=3008, \result={-110680464442257309697:0}, __this_module={3058:3021}, calloc(1UL, size)={-110680464442257309697:0}, digi_acceleport_2_device={139:0}, digi_acceleport_2_device_group0={-92233720368547758081:0}, digi_acceleport_2_device_group1={0:0}, digi_acceleport_2_device_group2={0:0}, digi_acceleport_2_device_group3={0:0}, digi_acceleport_4_device={140:0}, digi_acceleport_4_device_group0={-202914184810805067777:0}, digi_acceleport_4_device_group1={-221360928884514619393:0}, digi_acceleport_4_device_group2={-55340232221128654849:0}, digi_acceleport_4_device_group3={-73786976294838206465:0}, id_table_2={137:0}, id_table_4={138:0}, id_table_combined={136:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_work_1_0=0, ldv_work_1_1=0, ldv_work_1_2=0, ldv_work_1_3=0, ldv_work_struct_1_0={0:0}, ldv_work_struct_1_1={0:0}, ldv_work_struct_1_2={0:0}, ldv_work_struct_1_3={0:0}, p={-110680464442257309697:0}, ref_cnt=0, serial_drivers={141:0}, size=3008, tmp={-110680464442257309697:0}] [L6344] RET, EXPR ldv_init_zalloc(3008UL) VAL [__this_module={3058:3021}, digi_acceleport_2_device={139:0}, digi_acceleport_2_device_group0={-92233720368547758081:0}, digi_acceleport_2_device_group1={0:0}, digi_acceleport_2_device_group2={0:0}, digi_acceleport_2_device_group3={0:0}, digi_acceleport_4_device={140:0}, digi_acceleport_4_device_group0={-202914184810805067777:0}, digi_acceleport_4_device_group1={-221360928884514619393:0}, digi_acceleport_4_device_group2={-55340232221128654849:0}, digi_acceleport_4_device_group3={-73786976294838206465:0}, id_table_2={137:0}, id_table_4={138:0}, id_table_combined={136:0}, LDV_IN_INTERRUPT=1, ldv_init_zalloc(3008UL)={-110680464442257309697:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_work_1_0=0, ldv_work_1_1=0, ldv_work_1_2=0, ldv_work_1_3=0, ldv_work_struct_1_0={0:0}, ldv_work_struct_1_1={0:0}, ldv_work_struct_1_2={0:0}, ldv_work_struct_1_3={0:0}, ref_cnt=0, serial_drivers={141:0}, tmp={-92233720368547758081:0}] [L6344] tmp___0 = ldv_init_zalloc(3008UL) [L6345] digi_acceleport_2_device_group1 = (struct usb_serial_port *)tmp___0 VAL [__this_module={3058:3021}, digi_acceleport_2_device={139:0}, digi_acceleport_2_device_group0={-92233720368547758081:0}, digi_acceleport_2_device_group1={-110680464442257309697:0}, digi_acceleport_2_device_group2={0:0}, digi_acceleport_2_device_group3={0:0}, digi_acceleport_4_device={140:0}, digi_acceleport_4_device_group0={-202914184810805067777:0}, digi_acceleport_4_device_group1={-221360928884514619393:0}, digi_acceleport_4_device_group2={-55340232221128654849:0}, digi_acceleport_4_device_group3={-73786976294838206465:0}, id_table_2={137:0}, id_table_4={138:0}, id_table_combined={136:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_work_1_0=0, ldv_work_1_1=0, ldv_work_1_2=0, ldv_work_1_3=0, ldv_work_struct_1_0={0:0}, ldv_work_struct_1_1={0:0}, ldv_work_struct_1_2={0:0}, ldv_work_struct_1_3={0:0}, ref_cnt=0, serial_drivers={141:0}, tmp={-92233720368547758081:0}, tmp___0={-110680464442257309697:0}] [L6346] CALL, EXPR ldv_init_zalloc(272UL) VAL [\old(size)=272, __this_module={3058:3021}, digi_acceleport_2_device={139:0}, digi_acceleport_2_device_group0={-92233720368547758081:0}, digi_acceleport_2_device_group1={-110680464442257309697:0}, digi_acceleport_2_device_group2={0:0}, digi_acceleport_2_device_group3={0:0}, digi_acceleport_4_device={140:0}, digi_acceleport_4_device_group0={-202914184810805067777:0}, digi_acceleport_4_device_group1={-221360928884514619393:0}, digi_acceleport_4_device_group2={-55340232221128654849:0}, digi_acceleport_4_device_group3={-73786976294838206465:0}, id_table_2={137:0}, id_table_4={138:0}, id_table_combined={136:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_work_1_0=0, ldv_work_1_1=0, ldv_work_1_2=0, ldv_work_1_3=0, ldv_work_struct_1_0={0:0}, ldv_work_struct_1_1={0:0}, ldv_work_struct_1_2={0:0}, ldv_work_struct_1_3={0:0}, ref_cnt=0, serial_drivers={141:0}] [L4006] void *p ; [L4007] void *tmp ; [L4009] EXPR, FCALL calloc(1UL, size) VAL [\old(size)=272, __this_module={3058:3021}, calloc(1UL, size)={-129127208515966861313:0}, digi_acceleport_2_device={139:0}, digi_acceleport_2_device_group0={-92233720368547758081:0}, digi_acceleport_2_device_group1={-110680464442257309697:0}, digi_acceleport_2_device_group2={0:0}, digi_acceleport_2_device_group3={0:0}, digi_acceleport_4_device={140:0}, digi_acceleport_4_device_group0={-202914184810805067777:0}, digi_acceleport_4_device_group1={-221360928884514619393:0}, digi_acceleport_4_device_group2={-55340232221128654849:0}, digi_acceleport_4_device_group3={-73786976294838206465:0}, id_table_2={137:0}, id_table_4={138:0}, id_table_combined={136:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_work_1_0=0, ldv_work_1_1=0, ldv_work_1_2=0, ldv_work_1_3=0, ldv_work_struct_1_0={0:0}, ldv_work_struct_1_1={0:0}, ldv_work_struct_1_2={0:0}, ldv_work_struct_1_3={0:0}, ref_cnt=0, serial_drivers={141:0}, size=272] [L4009] tmp = calloc(1UL, size) [L4010] p = tmp VAL [\old(size)=272, __this_module={3058:3021}, calloc(1UL, size)={-129127208515966861313:0}, digi_acceleport_2_device={139:0}, digi_acceleport_2_device_group0={-92233720368547758081:0}, digi_acceleport_2_device_group1={-110680464442257309697:0}, digi_acceleport_2_device_group2={0:0}, digi_acceleport_2_device_group3={0:0}, digi_acceleport_4_device={140:0}, digi_acceleport_4_device_group0={-202914184810805067777:0}, digi_acceleport_4_device_group1={-221360928884514619393:0}, digi_acceleport_4_device_group2={-55340232221128654849:0}, digi_acceleport_4_device_group3={-73786976294838206465:0}, id_table_2={137:0}, id_table_4={138:0}, id_table_combined={136:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_work_1_0=0, ldv_work_1_1=0, ldv_work_1_2=0, ldv_work_1_3=0, ldv_work_struct_1_0={0:0}, ldv_work_struct_1_1={0:0}, ldv_work_struct_1_2={0:0}, ldv_work_struct_1_3={0:0}, p={-129127208515966861313:0}, ref_cnt=0, serial_drivers={141:0}, size=272, tmp={-129127208515966861313:0}] [L4011] CALL assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(cond)=1, __this_module={3058:3021}, digi_acceleport_2_device={139:0}, digi_acceleport_2_device_group0={-92233720368547758081:0}, digi_acceleport_2_device_group1={-110680464442257309697:0}, digi_acceleport_2_device_group2={0:0}, digi_acceleport_2_device_group3={0:0}, digi_acceleport_4_device={140:0}, digi_acceleport_4_device_group0={-202914184810805067777:0}, digi_acceleport_4_device_group1={-221360928884514619393:0}, digi_acceleport_4_device_group2={-55340232221128654849:0}, digi_acceleport_4_device_group3={-73786976294838206465:0}, id_table_2={137:0}, id_table_4={138:0}, id_table_combined={136:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_work_1_0=0, ldv_work_1_1=0, ldv_work_1_2=0, ldv_work_1_3=0, ldv_work_struct_1_0={0:0}, ldv_work_struct_1_1={0:0}, ldv_work_struct_1_2={0:0}, ldv_work_struct_1_3={0:0}, ref_cnt=0, serial_drivers={141:0}] [L3968] COND FALSE !(!cond) VAL [\old(cond)=1, __this_module={3058:3021}, cond=1, digi_acceleport_2_device={139:0}, digi_acceleport_2_device_group0={-92233720368547758081:0}, digi_acceleport_2_device_group1={-110680464442257309697:0}, digi_acceleport_2_device_group2={0:0}, digi_acceleport_2_device_group3={0:0}, digi_acceleport_4_device={140:0}, digi_acceleport_4_device_group0={-202914184810805067777:0}, digi_acceleport_4_device_group1={-221360928884514619393:0}, digi_acceleport_4_device_group2={-55340232221128654849:0}, digi_acceleport_4_device_group3={-73786976294838206465:0}, id_table_2={137:0}, id_table_4={138:0}, id_table_combined={136:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_work_1_0=0, ldv_work_1_1=0, ldv_work_1_2=0, ldv_work_1_3=0, ldv_work_struct_1_0={0:0}, ldv_work_struct_1_1={0:0}, ldv_work_struct_1_2={0:0}, ldv_work_struct_1_3={0:0}, ref_cnt=0, serial_drivers={141:0}] [L4011] RET assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(size)=272, __this_module={3058:3021}, calloc(1UL, size)={-129127208515966861313:0}, digi_acceleport_2_device={139:0}, digi_acceleport_2_device_group0={-92233720368547758081:0}, digi_acceleport_2_device_group1={-110680464442257309697:0}, digi_acceleport_2_device_group2={0:0}, digi_acceleport_2_device_group3={0:0}, digi_acceleport_4_device={140:0}, digi_acceleport_4_device_group0={-202914184810805067777:0}, digi_acceleport_4_device_group1={-221360928884514619393:0}, digi_acceleport_4_device_group2={-55340232221128654849:0}, digi_acceleport_4_device_group3={-73786976294838206465:0}, id_table_2={137:0}, id_table_4={138:0}, id_table_combined={136:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_work_1_0=0, ldv_work_1_1=0, ldv_work_1_2=0, ldv_work_1_3=0, ldv_work_struct_1_0={0:0}, ldv_work_struct_1_1={0:0}, ldv_work_struct_1_2={0:0}, ldv_work_struct_1_3={0:0}, p={-129127208515966861313:0}, ref_cnt=0, serial_drivers={141:0}, size=272, tmp={-129127208515966861313:0}] [L4012] return (p); VAL [\old(size)=272, \result={-129127208515966861313:0}, __this_module={3058:3021}, calloc(1UL, size)={-129127208515966861313:0}, digi_acceleport_2_device={139:0}, digi_acceleport_2_device_group0={-92233720368547758081:0}, digi_acceleport_2_device_group1={-110680464442257309697:0}, digi_acceleport_2_device_group2={0:0}, digi_acceleport_2_device_group3={0:0}, digi_acceleport_4_device={140:0}, digi_acceleport_4_device_group0={-202914184810805067777:0}, digi_acceleport_4_device_group1={-221360928884514619393:0}, digi_acceleport_4_device_group2={-55340232221128654849:0}, digi_acceleport_4_device_group3={-73786976294838206465:0}, id_table_2={137:0}, id_table_4={138:0}, id_table_combined={136:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_work_1_0=0, ldv_work_1_1=0, ldv_work_1_2=0, ldv_work_1_3=0, ldv_work_struct_1_0={0:0}, ldv_work_struct_1_1={0:0}, ldv_work_struct_1_2={0:0}, ldv_work_struct_1_3={0:0}, p={-129127208515966861313:0}, ref_cnt=0, serial_drivers={141:0}, size=272, tmp={-129127208515966861313:0}] [L6346] RET, EXPR ldv_init_zalloc(272UL) VAL [__this_module={3058:3021}, digi_acceleport_2_device={139:0}, digi_acceleport_2_device_group0={-92233720368547758081:0}, digi_acceleport_2_device_group1={-110680464442257309697:0}, digi_acceleport_2_device_group2={0:0}, digi_acceleport_2_device_group3={0:0}, digi_acceleport_4_device={140:0}, digi_acceleport_4_device_group0={-202914184810805067777:0}, digi_acceleport_4_device_group1={-221360928884514619393:0}, digi_acceleport_4_device_group2={-55340232221128654849:0}, digi_acceleport_4_device_group3={-73786976294838206465:0}, id_table_2={137:0}, id_table_4={138:0}, id_table_combined={136:0}, LDV_IN_INTERRUPT=1, ldv_init_zalloc(272UL)={-129127208515966861313:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_work_1_0=0, ldv_work_1_1=0, ldv_work_1_2=0, ldv_work_1_3=0, ldv_work_struct_1_0={0:0}, ldv_work_struct_1_1={0:0}, ldv_work_struct_1_2={0:0}, ldv_work_struct_1_3={0:0}, ref_cnt=0, serial_drivers={141:0}, tmp={-92233720368547758081:0}, tmp___0={-110680464442257309697:0}] [L6346] tmp___1 = ldv_init_zalloc(272UL) [L6347] digi_acceleport_2_device_group2 = (struct usb_serial *)tmp___1 VAL [__this_module={3058:3021}, digi_acceleport_2_device={139:0}, digi_acceleport_2_device_group0={-92233720368547758081:0}, digi_acceleport_2_device_group1={-110680464442257309697:0}, digi_acceleport_2_device_group2={-129127208515966861313:0}, digi_acceleport_2_device_group3={0:0}, digi_acceleport_4_device={140:0}, digi_acceleport_4_device_group0={-202914184810805067777:0}, digi_acceleport_4_device_group1={-221360928884514619393:0}, digi_acceleport_4_device_group2={-55340232221128654849:0}, digi_acceleport_4_device_group3={-73786976294838206465:0}, id_table_2={137:0}, id_table_4={138:0}, id_table_combined={136:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_work_1_0=0, ldv_work_1_1=0, ldv_work_1_2=0, ldv_work_1_3=0, ldv_work_struct_1_0={0:0}, ldv_work_struct_1_1={0:0}, ldv_work_struct_1_2={0:0}, ldv_work_struct_1_3={0:0}, ref_cnt=0, serial_drivers={141:0}, tmp={-92233720368547758081:0}, tmp___0={-110680464442257309697:0}, tmp___1={-129127208515966861313:0}] [L6348] CALL, EXPR ldv_init_zalloc(1816UL) VAL [\old(size)=1816, __this_module={3058:3021}, digi_acceleport_2_device={139:0}, digi_acceleport_2_device_group0={-92233720368547758081:0}, digi_acceleport_2_device_group1={-110680464442257309697:0}, digi_acceleport_2_device_group2={-129127208515966861313:0}, digi_acceleport_2_device_group3={0:0}, digi_acceleport_4_device={140:0}, digi_acceleport_4_device_group0={-202914184810805067777:0}, digi_acceleport_4_device_group1={-221360928884514619393:0}, digi_acceleport_4_device_group2={-55340232221128654849:0}, digi_acceleport_4_device_group3={-73786976294838206465:0}, id_table_2={137:0}, id_table_4={138:0}, id_table_combined={136:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_work_1_0=0, ldv_work_1_1=0, ldv_work_1_2=0, ldv_work_1_3=0, ldv_work_struct_1_0={0:0}, ldv_work_struct_1_1={0:0}, ldv_work_struct_1_2={0:0}, ldv_work_struct_1_3={0:0}, ref_cnt=0, serial_drivers={141:0}] [L4006] void *p ; [L4007] void *tmp ; [L4009] EXPR, FCALL calloc(1UL, size) VAL [\old(size)=1816, __this_module={3058:3021}, calloc(1UL, size)={-147573952589676412929:0}, digi_acceleport_2_device={139:0}, digi_acceleport_2_device_group0={-92233720368547758081:0}, digi_acceleport_2_device_group1={-110680464442257309697:0}, digi_acceleport_2_device_group2={-129127208515966861313:0}, digi_acceleport_2_device_group3={0:0}, digi_acceleport_4_device={140:0}, digi_acceleport_4_device_group0={-202914184810805067777:0}, digi_acceleport_4_device_group1={-221360928884514619393:0}, digi_acceleport_4_device_group2={-55340232221128654849:0}, digi_acceleport_4_device_group3={-73786976294838206465:0}, id_table_2={137:0}, id_table_4={138:0}, id_table_combined={136:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_work_1_0=0, ldv_work_1_1=0, ldv_work_1_2=0, ldv_work_1_3=0, ldv_work_struct_1_0={0:0}, ldv_work_struct_1_1={0:0}, ldv_work_struct_1_2={0:0}, ldv_work_struct_1_3={0:0}, ref_cnt=0, serial_drivers={141:0}, size=1816] [L4009] tmp = calloc(1UL, size) [L4010] p = tmp VAL [\old(size)=1816, __this_module={3058:3021}, calloc(1UL, size)={-147573952589676412929:0}, digi_acceleport_2_device={139:0}, digi_acceleport_2_device_group0={-92233720368547758081:0}, digi_acceleport_2_device_group1={-110680464442257309697:0}, digi_acceleport_2_device_group2={-129127208515966861313:0}, digi_acceleport_2_device_group3={0:0}, digi_acceleport_4_device={140:0}, digi_acceleport_4_device_group0={-202914184810805067777:0}, digi_acceleport_4_device_group1={-221360928884514619393:0}, digi_acceleport_4_device_group2={-55340232221128654849:0}, digi_acceleport_4_device_group3={-73786976294838206465:0}, id_table_2={137:0}, id_table_4={138:0}, id_table_combined={136:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_work_1_0=0, ldv_work_1_1=0, ldv_work_1_2=0, ldv_work_1_3=0, ldv_work_struct_1_0={0:0}, ldv_work_struct_1_1={0:0}, ldv_work_struct_1_2={0:0}, ldv_work_struct_1_3={0:0}, p={-147573952589676412929:0}, ref_cnt=0, serial_drivers={141:0}, size=1816, tmp={-147573952589676412929:0}] [L4011] CALL assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(cond)=1, __this_module={3058:3021}, digi_acceleport_2_device={139:0}, digi_acceleport_2_device_group0={-92233720368547758081:0}, digi_acceleport_2_device_group1={-110680464442257309697:0}, digi_acceleport_2_device_group2={-129127208515966861313:0}, digi_acceleport_2_device_group3={0:0}, digi_acceleport_4_device={140:0}, digi_acceleport_4_device_group0={-202914184810805067777:0}, digi_acceleport_4_device_group1={-221360928884514619393:0}, digi_acceleport_4_device_group2={-55340232221128654849:0}, digi_acceleport_4_device_group3={-73786976294838206465:0}, id_table_2={137:0}, id_table_4={138:0}, id_table_combined={136:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_work_1_0=0, ldv_work_1_1=0, ldv_work_1_2=0, ldv_work_1_3=0, ldv_work_struct_1_0={0:0}, ldv_work_struct_1_1={0:0}, ldv_work_struct_1_2={0:0}, ldv_work_struct_1_3={0:0}, ref_cnt=0, serial_drivers={141:0}] [L3968] COND FALSE !(!cond) VAL [\old(cond)=1, __this_module={3058:3021}, cond=1, digi_acceleport_2_device={139:0}, digi_acceleport_2_device_group0={-92233720368547758081:0}, digi_acceleport_2_device_group1={-110680464442257309697:0}, digi_acceleport_2_device_group2={-129127208515966861313:0}, digi_acceleport_2_device_group3={0:0}, digi_acceleport_4_device={140:0}, digi_acceleport_4_device_group0={-202914184810805067777:0}, digi_acceleport_4_device_group1={-221360928884514619393:0}, digi_acceleport_4_device_group2={-55340232221128654849:0}, digi_acceleport_4_device_group3={-73786976294838206465:0}, id_table_2={137:0}, id_table_4={138:0}, id_table_combined={136:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_work_1_0=0, ldv_work_1_1=0, ldv_work_1_2=0, ldv_work_1_3=0, ldv_work_struct_1_0={0:0}, ldv_work_struct_1_1={0:0}, ldv_work_struct_1_2={0:0}, ldv_work_struct_1_3={0:0}, ref_cnt=0, serial_drivers={141:0}] [L4011] RET assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(size)=1816, __this_module={3058:3021}, calloc(1UL, size)={-147573952589676412929:0}, digi_acceleport_2_device={139:0}, digi_acceleport_2_device_group0={-92233720368547758081:0}, digi_acceleport_2_device_group1={-110680464442257309697:0}, digi_acceleport_2_device_group2={-129127208515966861313:0}, digi_acceleport_2_device_group3={0:0}, digi_acceleport_4_device={140:0}, digi_acceleport_4_device_group0={-202914184810805067777:0}, digi_acceleport_4_device_group1={-221360928884514619393:0}, digi_acceleport_4_device_group2={-55340232221128654849:0}, digi_acceleport_4_device_group3={-73786976294838206465:0}, id_table_2={137:0}, id_table_4={138:0}, id_table_combined={136:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_work_1_0=0, ldv_work_1_1=0, ldv_work_1_2=0, ldv_work_1_3=0, ldv_work_struct_1_0={0:0}, ldv_work_struct_1_1={0:0}, ldv_work_struct_1_2={0:0}, ldv_work_struct_1_3={0:0}, p={-147573952589676412929:0}, ref_cnt=0, serial_drivers={141:0}, size=1816, tmp={-147573952589676412929:0}] [L4012] return (p); VAL [\old(size)=1816, \result={-147573952589676412929:0}, __this_module={3058:3021}, calloc(1UL, size)={-147573952589676412929:0}, digi_acceleport_2_device={139:0}, digi_acceleport_2_device_group0={-92233720368547758081:0}, digi_acceleport_2_device_group1={-110680464442257309697:0}, digi_acceleport_2_device_group2={-129127208515966861313:0}, digi_acceleport_2_device_group3={0:0}, digi_acceleport_4_device={140:0}, digi_acceleport_4_device_group0={-202914184810805067777:0}, digi_acceleport_4_device_group1={-221360928884514619393:0}, digi_acceleport_4_device_group2={-55340232221128654849:0}, digi_acceleport_4_device_group3={-73786976294838206465:0}, id_table_2={137:0}, id_table_4={138:0}, id_table_combined={136:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_work_1_0=0, ldv_work_1_1=0, ldv_work_1_2=0, ldv_work_1_3=0, ldv_work_struct_1_0={0:0}, ldv_work_struct_1_1={0:0}, ldv_work_struct_1_2={0:0}, ldv_work_struct_1_3={0:0}, p={-147573952589676412929:0}, ref_cnt=0, serial_drivers={141:0}, size=1816, tmp={-147573952589676412929:0}] [L6348] RET, EXPR ldv_init_zalloc(1816UL) VAL [__this_module={3058:3021}, digi_acceleport_2_device={139:0}, digi_acceleport_2_device_group0={-92233720368547758081:0}, digi_acceleport_2_device_group1={-110680464442257309697:0}, digi_acceleport_2_device_group2={-129127208515966861313:0}, digi_acceleport_2_device_group3={0:0}, digi_acceleport_4_device={140:0}, digi_acceleport_4_device_group0={-202914184810805067777:0}, digi_acceleport_4_device_group1={-221360928884514619393:0}, digi_acceleport_4_device_group2={-55340232221128654849:0}, digi_acceleport_4_device_group3={-73786976294838206465:0}, id_table_2={137:0}, id_table_4={138:0}, id_table_combined={136:0}, LDV_IN_INTERRUPT=1, ldv_init_zalloc(1816UL)={-147573952589676412929:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_work_1_0=0, ldv_work_1_1=0, ldv_work_1_2=0, ldv_work_1_3=0, ldv_work_struct_1_0={0:0}, ldv_work_struct_1_1={0:0}, ldv_work_struct_1_2={0:0}, ldv_work_struct_1_3={0:0}, ref_cnt=0, serial_drivers={141:0}, tmp={-92233720368547758081:0}, tmp___0={-110680464442257309697:0}, tmp___1={-129127208515966861313:0}] [L6348] tmp___2 = ldv_init_zalloc(1816UL) [L6349] digi_acceleport_2_device_group3 = (struct tty_struct *)tmp___2 VAL [__this_module={3058:3021}, digi_acceleport_2_device={139:0}, digi_acceleport_2_device_group0={-92233720368547758081:0}, digi_acceleport_2_device_group1={-110680464442257309697:0}, digi_acceleport_2_device_group2={-129127208515966861313:0}, digi_acceleport_2_device_group3={-147573952589676412929:0}, digi_acceleport_4_device={140:0}, digi_acceleport_4_device_group0={-202914184810805067777:0}, digi_acceleport_4_device_group1={-221360928884514619393:0}, digi_acceleport_4_device_group2={-55340232221128654849:0}, digi_acceleport_4_device_group3={-73786976294838206465:0}, id_table_2={137:0}, id_table_4={138:0}, id_table_combined={136:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_work_1_0=0, ldv_work_1_1=0, ldv_work_1_2=0, ldv_work_1_3=0, ldv_work_struct_1_0={0:0}, ldv_work_struct_1_1={0:0}, ldv_work_struct_1_2={0:0}, ldv_work_struct_1_3={0:0}, ref_cnt=0, serial_drivers={141:0}, tmp={-92233720368547758081:0}, tmp___0={-110680464442257309697:0}, tmp___1={-129127208515966861313:0}, tmp___2={-147573952589676412929:0}] [L6440] RET ldv_initialize_usb_serial_driver_3() [L6443] COND FALSE !(ldv_retval_0 != 0) VAL [__this_module={3058:3021}, digi_acceleport_2_device={139:0}, digi_acceleport_2_device_group0={-92233720368547758081:0}, digi_acceleport_2_device_group1={-110680464442257309697:0}, digi_acceleport_2_device_group2={-129127208515966861313:0}, digi_acceleport_2_device_group3={-147573952589676412929:0}, digi_acceleport_4_device={140:0}, digi_acceleport_4_device_group0={-202914184810805067777:0}, digi_acceleport_4_device_group1={-221360928884514619393:0}, digi_acceleport_4_device_group2={-55340232221128654849:0}, digi_acceleport_4_device_group3={-73786976294838206465:0}, id_table_2={137:0}, id_table_4={138:0}, id_table_combined={136:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_work_1_0=0, ldv_work_1_1=0, ldv_work_1_2=0, ldv_work_1_3=0, ldv_work_struct_1_0={0:0}, ldv_work_struct_1_1={0:0}, ldv_work_struct_1_2={0:0}, ldv_work_struct_1_3={0:0}, ldvarg0={143:0}, ldvarg1={152:0}, ldvarg10={145:0}, ldvarg11={149:0}, ldvarg12={-36893488147419103233:0}, ldvarg2={-18446744073709551617:0}, ldvarg3={148:0}, ldvarg4={147:0}, ldvarg5={-166020696663385964545:0}, ldvarg6={144:0}, ldvarg7={146:0}, ldvarg8={151:0}, ldvarg9={-184467440737095516161:0}, ref_cnt=0, serial_drivers={141:0}, tmp={-166020696663385964545:0}, tmp___0={-18446744073709551617:0}, tmp___1={-36893488147419103233:0}, tmp___2={-184467440737095516161:0}, tmp___3=1, tmp___4=1] [L6412] tmp___3 = __VERIFIER_nondet_int() [L6414] case 0: [L6420] case 1: [L6458] case 2: VAL [__this_module={3058:3021}, digi_acceleport_2_device={139:0}, digi_acceleport_2_device_group0={-92233720368547758081:0}, digi_acceleport_2_device_group1={-110680464442257309697:0}, digi_acceleport_2_device_group2={-129127208515966861313:0}, digi_acceleport_2_device_group3={-147573952589676412929:0}, digi_acceleport_4_device={140:0}, digi_acceleport_4_device_group0={-202914184810805067777:0}, digi_acceleport_4_device_group1={-221360928884514619393:0}, digi_acceleport_4_device_group2={-55340232221128654849:0}, digi_acceleport_4_device_group3={-73786976294838206465:0}, id_table_2={137:0}, id_table_4={138:0}, id_table_combined={136:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_work_1_0=0, ldv_work_1_1=0, ldv_work_1_2=0, ldv_work_1_3=0, ldv_work_struct_1_0={0:0}, ldv_work_struct_1_1={0:0}, ldv_work_struct_1_2={0:0}, ldv_work_struct_1_3={0:0}, ldvarg0={143:0}, ldvarg1={152:0}, ldvarg10={145:0}, ldvarg11={149:0}, ldvarg12={-36893488147419103233:0}, ldvarg2={-18446744073709551617:0}, ldvarg3={148:0}, ldvarg4={147:0}, ldvarg5={-166020696663385964545:0}, ldvarg6={144:0}, ldvarg7={146:0}, ldvarg8={151:0}, ldvarg9={-184467440737095516161:0}, ref_cnt=0, serial_drivers={141:0}, tmp={-166020696663385964545:0}, tmp___0={-18446744073709551617:0}, tmp___1={-36893488147419103233:0}, tmp___2={-184467440737095516161:0}, tmp___3=2, tmp___4=1] [L6459] COND TRUE ldv_state_variable_3 != 0 [L6460] tmp___5 = __VERIFIER_nondet_int() [L6462] case 0: [L6484] case 1: [L6506] case 2: [L6528] case 3: VAL [__this_module={3058:3021}, digi_acceleport_2_device={139:0}, digi_acceleport_2_device_group0={-92233720368547758081:0}, digi_acceleport_2_device_group1={-110680464442257309697:0}, digi_acceleport_2_device_group2={-129127208515966861313:0}, digi_acceleport_2_device_group3={-147573952589676412929:0}, digi_acceleport_4_device={140:0}, digi_acceleport_4_device_group0={-202914184810805067777:0}, digi_acceleport_4_device_group1={-221360928884514619393:0}, digi_acceleport_4_device_group2={-55340232221128654849:0}, digi_acceleport_4_device_group3={-73786976294838206465:0}, id_table_2={137:0}, id_table_4={138:0}, id_table_combined={136:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_work_1_0=0, ldv_work_1_1=0, ldv_work_1_2=0, ldv_work_1_3=0, ldv_work_struct_1_0={0:0}, ldv_work_struct_1_1={0:0}, ldv_work_struct_1_2={0:0}, ldv_work_struct_1_3={0:0}, ldvarg0={143:0}, ldvarg1={152:0}, ldvarg10={145:0}, ldvarg11={149:0}, ldvarg12={-36893488147419103233:0}, ldvarg2={-18446744073709551617:0}, ldvarg3={148:0}, ldvarg4={147:0}, ldvarg5={-166020696663385964545:0}, ldvarg6={144:0}, ldvarg7={146:0}, ldvarg8={151:0}, ldvarg9={-184467440737095516161:0}, ref_cnt=0, serial_drivers={141:0}, tmp={-166020696663385964545:0}, tmp___0={-18446744073709551617:0}, tmp___1={-36893488147419103233:0}, tmp___2={-184467440737095516161:0}, tmp___3=2, tmp___4=1, tmp___5=3] [L6529] COND FALSE !(ldv_state_variable_3 == 4) VAL [__this_module={3058:3021}, digi_acceleport_2_device={139:0}, digi_acceleport_2_device_group0={-92233720368547758081:0}, digi_acceleport_2_device_group1={-110680464442257309697:0}, digi_acceleport_2_device_group2={-129127208515966861313:0}, digi_acceleport_2_device_group3={-147573952589676412929:0}, digi_acceleport_4_device={140:0}, digi_acceleport_4_device_group0={-202914184810805067777:0}, digi_acceleport_4_device_group1={-221360928884514619393:0}, digi_acceleport_4_device_group2={-55340232221128654849:0}, digi_acceleport_4_device_group3={-73786976294838206465:0}, id_table_2={137:0}, id_table_4={138:0}, id_table_combined={136:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_work_1_0=0, ldv_work_1_1=0, ldv_work_1_2=0, ldv_work_1_3=0, ldv_work_struct_1_0={0:0}, ldv_work_struct_1_1={0:0}, ldv_work_struct_1_2={0:0}, ldv_work_struct_1_3={0:0}, ldvarg0={143:0}, ldvarg1={152:0}, ldvarg10={145:0}, ldvarg11={149:0}, ldvarg12={-36893488147419103233:0}, ldvarg2={-18446744073709551617:0}, ldvarg3={148:0}, ldvarg4={147:0}, ldvarg5={-166020696663385964545:0}, ldvarg6={144:0}, ldvarg7={146:0}, ldvarg8={151:0}, ldvarg9={-184467440737095516161:0}, ref_cnt=0, serial_drivers={141:0}, tmp={-166020696663385964545:0}, tmp___0={-18446744073709551617:0}, tmp___1={-36893488147419103233:0}, tmp___2={-184467440737095516161:0}, tmp___3=2, tmp___4=1, tmp___5=3] [L6534] COND TRUE ldv_state_variable_3 == 1 VAL [__this_module={3058:3021}, digi_acceleport_2_device={139:0}, digi_acceleport_2_device_group0={-92233720368547758081:0}, digi_acceleport_2_device_group1={-110680464442257309697:0}, digi_acceleport_2_device_group2={-129127208515966861313:0}, digi_acceleport_2_device_group3={-147573952589676412929:0}, digi_acceleport_4_device={140:0}, digi_acceleport_4_device_group0={-202914184810805067777:0}, digi_acceleport_4_device_group1={-221360928884514619393:0}, digi_acceleport_4_device_group2={-55340232221128654849:0}, digi_acceleport_4_device_group3={-73786976294838206465:0}, id_table_2={137:0}, id_table_4={138:0}, id_table_combined={136:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_work_1_0=0, ldv_work_1_1=0, ldv_work_1_2=0, ldv_work_1_3=0, ldv_work_struct_1_0={0:0}, ldv_work_struct_1_1={0:0}, ldv_work_struct_1_2={0:0}, ldv_work_struct_1_3={0:0}, ldvarg0={143:0}, ldvarg1={152:0}, ldvarg10={145:0}, ldvarg11={149:0}, ldvarg12={-36893488147419103233:0}, ldvarg2={-18446744073709551617:0}, ldvarg3={148:0}, ldvarg4={147:0}, ldvarg5={-166020696663385964545:0}, ldvarg6={144:0}, ldvarg7={146:0}, ldvarg8={151:0}, ldvarg9={-184467440737095516161:0}, ref_cnt=0, serial_drivers={141:0}, tmp={-166020696663385964545:0}, tmp___0={-18446744073709551617:0}, tmp___1={-36893488147419103233:0}, tmp___2={-184467440737095516161:0}, tmp___3=2, tmp___4=1, tmp___5=3] [L6535] CALL digi_rx_unthrottle(digi_acceleport_2_device_group3) VAL [\old(ldv_spin)=0, __this_module={3058:3021}, digi_acceleport_2_device={139:0}, digi_acceleport_2_device_group0={-92233720368547758081:0}, digi_acceleport_2_device_group1={-110680464442257309697:0}, digi_acceleport_2_device_group2={-129127208515966861313:0}, digi_acceleport_2_device_group3={-147573952589676412929:0}, digi_acceleport_4_device={140:0}, digi_acceleport_4_device_group0={-202914184810805067777:0}, digi_acceleport_4_device_group1={-221360928884514619393:0}, digi_acceleport_4_device_group2={-55340232221128654849:0}, digi_acceleport_4_device_group3={-73786976294838206465:0}, id_table_2={137:0}, id_table_4={138:0}, id_table_combined={136:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_work_1_0=0, ldv_work_1_1=0, ldv_work_1_2=0, ldv_work_1_3=0, ldv_work_struct_1_0={0:0}, ldv_work_struct_1_1={0:0}, ldv_work_struct_1_2={0:0}, ldv_work_struct_1_3={0:0}, ref_cnt=0, serial_drivers={141:0}] [L4819] int ret ; [L4820] unsigned long flags ; [L4821] struct usb_serial_port *port ; [L4822] struct digi_port *priv ; [L4823] void *tmp ; [L4825] ret = 0 [L4826] EXPR tty->driver_data [L4826] port = (struct usb_serial_port *)tty->driver_data [L4827] CALL, EXPR usb_get_serial_port_data(port) VAL [\old(ldv_spin)=0, __this_module={3058:3021}, digi_acceleport_2_device={139:0}, digi_acceleport_2_device_group0={-92233720368547758081:0}, digi_acceleport_2_device_group1={-110680464442257309697:0}, digi_acceleport_2_device_group2={-129127208515966861313:0}, digi_acceleport_2_device_group3={-147573952589676412929:0}, digi_acceleport_4_device={140:0}, digi_acceleport_4_device_group0={-202914184810805067777:0}, digi_acceleport_4_device_group1={-221360928884514619393:0}, digi_acceleport_4_device_group2={-55340232221128654849:0}, digi_acceleport_4_device_group3={-73786976294838206465:0}, id_table_2={137:0}, id_table_4={138:0}, id_table_combined={136:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_work_1_0=0, ldv_work_1_1=0, ldv_work_1_2=0, ldv_work_1_3=0, ldv_work_struct_1_0={0:0}, ldv_work_struct_1_1={0:0}, ldv_work_struct_1_2={0:0}, ldv_work_struct_1_3={0:0}, ref_cnt=0, serial_drivers={141:0}] [L4352] void *tmp ; [L4354] CALL, EXPR dev_get_drvdata((struct device const *)(& port->dev)) [L4330] EXPR dev->driver_data [L4330] return ((void *)dev->driver_data); [L4354] RET, EXPR dev_get_drvdata((struct device const *)(& port->dev)) [L4354] tmp = dev_get_drvdata((struct device const *)(& port->dev)) [L4355] return (tmp); VAL [\old(ldv_spin)=0, \result={3015:-2}, __this_module={3058:3021}, digi_acceleport_2_device={139:0}, digi_acceleport_2_device_group0={-92233720368547758081:0}, digi_acceleport_2_device_group1={-110680464442257309697:0}, digi_acceleport_2_device_group2={-129127208515966861313:0}, digi_acceleport_2_device_group3={-147573952589676412929:0}, digi_acceleport_4_device={140:0}, digi_acceleport_4_device_group0={-202914184810805067777:0}, digi_acceleport_4_device_group1={-221360928884514619393:0}, digi_acceleport_4_device_group2={-55340232221128654849:0}, digi_acceleport_4_device_group3={-73786976294838206465:0}, id_table_2={137:0}, id_table_4={138:0}, id_table_combined={136:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_work_1_0=0, ldv_work_1_1=0, ldv_work_1_2=0, ldv_work_1_3=0, ldv_work_struct_1_0={0:0}, ldv_work_struct_1_1={0:0}, ldv_work_struct_1_2={0:0}, ldv_work_struct_1_3={0:0}, port={3056:153}, port={3056:153}, ref_cnt=0, serial_drivers={141:0}, tmp={3015:-2}] [L4827] RET, EXPR usb_get_serial_port_data(port) VAL [\old(ldv_spin)=0, __this_module={3058:3021}, digi_acceleport_2_device={139:0}, digi_acceleport_2_device_group0={-92233720368547758081:0}, digi_acceleport_2_device_group1={-110680464442257309697:0}, digi_acceleport_2_device_group2={-129127208515966861313:0}, digi_acceleport_2_device_group3={-147573952589676412929:0}, digi_acceleport_4_device={140:0}, digi_acceleport_4_device_group0={-202914184810805067777:0}, digi_acceleport_4_device_group1={-221360928884514619393:0}, digi_acceleport_4_device_group2={-55340232221128654849:0}, digi_acceleport_4_device_group3={-73786976294838206465:0}, id_table_2={137:0}, id_table_4={138:0}, id_table_combined={136:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_work_1_0=0, ldv_work_1_1=0, ldv_work_1_2=0, ldv_work_1_3=0, ldv_work_struct_1_0={0:0}, ldv_work_struct_1_1={0:0}, ldv_work_struct_1_2={0:0}, ldv_work_struct_1_3={0:0}, port={3056:153}, ref_cnt=0, ret=0, serial_drivers={141:0}, tty={-147573952589676412929:0}, tty={-147573952589676412929:0}, usb_get_serial_port_data(port)={3015:-2}] [L4827] tmp = usb_get_serial_port_data(port) [L4828] priv = (struct digi_port *)tmp VAL [\old(ldv_spin)=0, __this_module={3058:3021}, digi_acceleport_2_device={139:0}, digi_acceleport_2_device_group0={-92233720368547758081:0}, digi_acceleport_2_device_group1={-110680464442257309697:0}, digi_acceleport_2_device_group2={-129127208515966861313:0}, digi_acceleport_2_device_group3={-147573952589676412929:0}, digi_acceleport_4_device={140:0}, digi_acceleport_4_device_group0={-202914184810805067777:0}, digi_acceleport_4_device_group1={-221360928884514619393:0}, digi_acceleport_4_device_group2={-55340232221128654849:0}, digi_acceleport_4_device_group3={-73786976294838206465:0}, id_table_2={137:0}, id_table_4={138:0}, id_table_combined={136:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_work_1_0=0, ldv_work_1_1=0, ldv_work_1_2=0, ldv_work_1_3=0, ldv_work_struct_1_0={0:0}, ldv_work_struct_1_1={0:0}, ldv_work_struct_1_2={0:0}, ldv_work_struct_1_3={0:0}, port={3056:153}, priv={3015:-2}, ref_cnt=0, ret=0, serial_drivers={141:0}, tmp={3015:-2}, tty={-147573952589676412929:0}, tty={-147573952589676412929:0}] [L4829] CALL ldv_spin_lock() VAL [\old(ldv_spin)=0, __this_module={3058:3021}, digi_acceleport_2_device={139:0}, digi_acceleport_2_device_group0={-92233720368547758081:0}, digi_acceleport_2_device_group1={-110680464442257309697:0}, digi_acceleport_2_device_group2={-129127208515966861313:0}, digi_acceleport_2_device_group3={-147573952589676412929:0}, digi_acceleport_4_device={140:0}, digi_acceleport_4_device_group0={-202914184810805067777:0}, digi_acceleport_4_device_group1={-221360928884514619393:0}, digi_acceleport_4_device_group2={-55340232221128654849:0}, digi_acceleport_4_device_group3={-73786976294838206465:0}, id_table_2={137:0}, id_table_4={138:0}, id_table_combined={136:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_work_1_0=0, ldv_work_1_1=0, ldv_work_1_2=0, ldv_work_1_3=0, ldv_work_struct_1_0={0:0}, ldv_work_struct_1_1={0:0}, ldv_work_struct_1_2={0:0}, ldv_work_struct_1_3={0:0}, ref_cnt=0, serial_drivers={141:0}] [L7393] ldv_spin = 1 VAL [\old(ldv_spin)=0, __this_module={3058:3021}, digi_acceleport_2_device={139:0}, digi_acceleport_2_device_group0={-92233720368547758081:0}, digi_acceleport_2_device_group1={-110680464442257309697:0}, digi_acceleport_2_device_group2={-129127208515966861313:0}, digi_acceleport_2_device_group3={-147573952589676412929:0}, digi_acceleport_4_device={140:0}, digi_acceleport_4_device_group0={-202914184810805067777:0}, digi_acceleport_4_device_group1={-221360928884514619393:0}, digi_acceleport_4_device_group2={-55340232221128654849:0}, digi_acceleport_4_device_group3={-73786976294838206465:0}, id_table_2={137:0}, id_table_4={138:0}, id_table_combined={136:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_spin=1, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_work_1_0=0, ldv_work_1_1=0, ldv_work_1_2=0, ldv_work_1_3=0, ldv_work_struct_1_0={0:0}, ldv_work_struct_1_1={0:0}, ldv_work_struct_1_2={0:0}, ldv_work_struct_1_3={0:0}, ref_cnt=0, serial_drivers={141:0}] [L4829] RET ldv_spin_lock() VAL [\old(ldv_spin)=0, __this_module={3058:3021}, digi_acceleport_2_device={139:0}, digi_acceleport_2_device_group0={-92233720368547758081:0}, digi_acceleport_2_device_group1={-110680464442257309697:0}, digi_acceleport_2_device_group2={-129127208515966861313:0}, digi_acceleport_2_device_group3={-147573952589676412929:0}, digi_acceleport_4_device={140:0}, digi_acceleport_4_device_group0={-202914184810805067777:0}, digi_acceleport_4_device_group1={-221360928884514619393:0}, digi_acceleport_4_device_group2={-55340232221128654849:0}, digi_acceleport_4_device_group3={-73786976294838206465:0}, id_table_2={137:0}, id_table_4={138:0}, id_table_combined={136:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_spin=1, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_work_1_0=0, ldv_work_1_1=0, ldv_work_1_2=0, ldv_work_1_3=0, ldv_work_struct_1_0={0:0}, ldv_work_struct_1_1={0:0}, ldv_work_struct_1_2={0:0}, ldv_work_struct_1_3={0:0}, port={3056:153}, priv={3015:-2}, ref_cnt=0, ret=0, serial_drivers={141:0}, tmp={3015:-2}, tty={-147573952589676412929:0}, tty={-147573952589676412929:0}] [L4830] EXPR priv->dp_throttle_restart VAL [\old(ldv_spin)=0, __this_module={3058:3021}, digi_acceleport_2_device={139:0}, digi_acceleport_2_device_group0={-92233720368547758081:0}, digi_acceleport_2_device_group1={-110680464442257309697:0}, digi_acceleport_2_device_group2={-129127208515966861313:0}, digi_acceleport_2_device_group3={-147573952589676412929:0}, digi_acceleport_4_device={140:0}, digi_acceleport_4_device_group0={-202914184810805067777:0}, digi_acceleport_4_device_group1={-221360928884514619393:0}, digi_acceleport_4_device_group2={-55340232221128654849:0}, digi_acceleport_4_device_group3={-73786976294838206465:0}, id_table_2={137:0}, id_table_4={138:0}, id_table_combined={136:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_spin=1, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_work_1_0=0, ldv_work_1_1=0, ldv_work_1_2=0, ldv_work_1_3=0, ldv_work_struct_1_0={0:0}, ldv_work_struct_1_1={0:0}, ldv_work_struct_1_2={0:0}, ldv_work_struct_1_3={0:0}, port={3056:153}, priv={3015:-2}, priv->dp_throttle_restart=3036, ref_cnt=0, ret=0, serial_drivers={141:0}, tmp={3015:-2}, tty={-147573952589676412929:0}, tty={-147573952589676412929:0}] [L4830] COND TRUE priv->dp_throttle_restart != 0 [L4831] EXPR port->read_urb [L4831] CALL ldv_usb_submit_urb_31(port->read_urb, 32U) [L7280] CALL ldv_check_alloc_flags(flags) VAL [\old(flags)=32, \old(ldv_spin)=0, __this_module={3058:3021}, digi_acceleport_2_device={139:0}, digi_acceleport_2_device_group0={-92233720368547758081:0}, digi_acceleport_2_device_group1={-110680464442257309697:0}, digi_acceleport_2_device_group2={-129127208515966861313:0}, digi_acceleport_2_device_group3={-147573952589676412929:0}, digi_acceleport_4_device={140:0}, digi_acceleport_4_device_group0={-202914184810805067777:0}, digi_acceleport_4_device_group1={-221360928884514619393:0}, digi_acceleport_4_device_group2={-55340232221128654849:0}, digi_acceleport_4_device_group3={-73786976294838206465:0}, id_table_2={137:0}, id_table_4={138:0}, id_table_combined={136:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_spin=1, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_work_1_0=0, ldv_work_1_1=0, ldv_work_1_2=0, ldv_work_1_3=0, ldv_work_struct_1_0={0:0}, ldv_work_struct_1_1={0:0}, ldv_work_struct_1_2={0:0}, ldv_work_struct_1_3={0:0}, ref_cnt=0, serial_drivers={141:0}] [L7360] COND TRUE ldv_spin != 0 && (flags & 16U) != 0U VAL [\old(flags)=32, \old(ldv_spin)=0, __this_module={3058:3021}, digi_acceleport_2_device={139:0}, digi_acceleport_2_device_group0={-92233720368547758081:0}, digi_acceleport_2_device_group1={-110680464442257309697:0}, digi_acceleport_2_device_group2={-129127208515966861313:0}, digi_acceleport_2_device_group3={-147573952589676412929:0}, digi_acceleport_4_device={140:0}, digi_acceleport_4_device_group0={-202914184810805067777:0}, digi_acceleport_4_device_group1={-221360928884514619393:0}, digi_acceleport_4_device_group2={-55340232221128654849:0}, digi_acceleport_4_device_group3={-73786976294838206465:0}, flags=32, id_table_2={137:0}, id_table_4={138:0}, id_table_combined={136:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_spin=1, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_work_1_0=0, ldv_work_1_1=0, ldv_work_1_2=0, ldv_work_1_3=0, ldv_work_struct_1_0={0:0}, ldv_work_struct_1_1={0:0}, ldv_work_struct_1_2={0:0}, ldv_work_struct_1_3={0:0}, ref_cnt=0, serial_drivers={141:0}] [L7361] CALL ldv_error() VAL [\old(ldv_spin)=0, __this_module={3058:3021}, digi_acceleport_2_device={139:0}, digi_acceleport_2_device_group0={-92233720368547758081:0}, digi_acceleport_2_device_group1={-110680464442257309697:0}, digi_acceleport_2_device_group2={-129127208515966861313:0}, digi_acceleport_2_device_group3={-147573952589676412929:0}, digi_acceleport_4_device={140:0}, digi_acceleport_4_device_group0={-202914184810805067777:0}, digi_acceleport_4_device_group1={-221360928884514619393:0}, digi_acceleport_4_device_group2={-55340232221128654849:0}, digi_acceleport_4_device_group3={-73786976294838206465:0}, id_table_2={137:0}, id_table_4={138:0}, id_table_combined={136:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_spin=1, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_work_1_0=0, ldv_work_1_1=0, ldv_work_1_2=0, ldv_work_1_3=0, ldv_work_struct_1_0={0:0}, ldv_work_struct_1_1={0:0}, ldv_work_struct_1_2={0:0}, ldv_work_struct_1_3={0:0}, ref_cnt=0, serial_drivers={141:0}] [L7317] reach_error() VAL [\old(ldv_spin)=0, __this_module={3058:3021}, digi_acceleport_2_device={139:0}, digi_acceleport_2_device_group0={-92233720368547758081:0}, digi_acceleport_2_device_group1={-110680464442257309697:0}, digi_acceleport_2_device_group2={-129127208515966861313:0}, digi_acceleport_2_device_group3={-147573952589676412929:0}, digi_acceleport_4_device={140:0}, digi_acceleport_4_device_group0={-202914184810805067777:0}, digi_acceleport_4_device_group1={-221360928884514619393:0}, digi_acceleport_4_device_group2={-55340232221128654849:0}, digi_acceleport_4_device_group3={-73786976294838206465:0}, id_table_2={137:0}, id_table_4={138:0}, id_table_combined={136:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_spin=1, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_work_1_0=0, ldv_work_1_1=0, ldv_work_1_2=0, ldv_work_1_3=0, ldv_work_struct_1_0={0:0}, ldv_work_struct_1_1={0:0}, ldv_work_struct_1_2={0:0}, ldv_work_struct_1_3={0:0}, ref_cnt=0, serial_drivers={141:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 61 procedures, 1284 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 116.3s, OverallIterations: 9, TraceHistogramMax: 36, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 104.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 25 mSolverCounterUnknown, 12295 SdHoareTripleChecker+Valid, 102.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 11429 mSDsluCounter, 50865 SdHoareTripleChecker+Invalid, 98.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 34236 mSDsCounter, 9274 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 13305 IncrementalHoareTripleChecker+Invalid, 22604 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 9274 mSolverCounterUnsat, 16629 mSDtfsCounter, 13305 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1584 GetRequests, 1514 SyntacticMatches, 0 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 147 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=7671occurred in iteration=8, InterpolantAutomatonStates: 57, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.4s AutomataMinimizationTime, 8 MinimizatonAttempts, 2520 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 3.0s SatisfiabilityAnalysisTime, 4.3s InterpolantComputationTime, 2898 NumberOfCodeBlocks, 2898 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 2861 ConstructedInterpolants, 0 QuantifiedInterpolants, 4763 SizeOfPredicates, 6 NumberOfNonLiveVariables, 6909 ConjunctsInSsa, 23 ConjunctsInUnsatCore, 11 InterpolantComputations, 7 PerfectInterpolantSequences, 9852/9999 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 22:58:15,375 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0687c60f-dd5c-4443-9d57-78d3c929a1c6/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_0687c60f-dd5c-4443-9d57-78d3c929a1c6/bin/uautomizer-DrprNOufMa/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0687c60f-dd5c-4443-9d57-78d3c929a1c6/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_0687c60f-dd5c-4443-9d57-78d3c929a1c6/bin/uautomizer-DrprNOufMa/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0687c60f-dd5c-4443-9d57-78d3c929a1c6/bin/uautomizer-DrprNOufMa/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--serial--digi_acceleport.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0687c60f-dd5c-4443-9d57-78d3c929a1c6/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_0687c60f-dd5c-4443-9d57-78d3c929a1c6/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 9e49a1360829f26f8d048b65d36d4ec5c4a8326faf8d0f409c04195556886603 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-12-06 22:58:16,974 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-06 22:58:16,976 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-06 22:58:17,008 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-06 22:58:17,009 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-06 22:58:17,010 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-06 22:58:17,012 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-06 22:58:17,015 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-06 22:58:17,017 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-06 22:58:17,018 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-06 22:58:17,019 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-06 22:58:17,020 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-06 22:58:17,021 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-06 22:58:17,022 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-06 22:58:17,024 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-06 22:58:17,025 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-06 22:58:17,026 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-06 22:58:17,027 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-06 22:58:17,029 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-06 22:58:17,032 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-06 22:58:17,034 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-06 22:58:17,035 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-06 22:58:17,036 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-06 22:58:17,037 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-06 22:58:17,041 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-06 22:58:17,041 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-06 22:58:17,042 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-06 22:58:17,043 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-06 22:58:17,043 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-06 22:58:17,044 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-06 22:58:17,044 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-06 22:58:17,045 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-06 22:58:17,046 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-06 22:58:17,047 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-06 22:58:17,047 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-06 22:58:17,048 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-06 22:58:17,048 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-06 22:58:17,048 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-06 22:58:17,049 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-06 22:58:17,049 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-06 22:58:17,050 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-06 22:58:17,051 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0687c60f-dd5c-4443-9d57-78d3c929a1c6/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2021-12-06 22:58:17,076 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-06 22:58:17,076 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-06 22:58:17,076 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-06 22:58:17,077 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-06 22:58:17,077 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-06 22:58:17,077 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-06 22:58:17,078 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-06 22:58:17,078 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-06 22:58:17,078 INFO L138 SettingsManager]: * Use SBE=true [2021-12-06 22:58:17,079 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-06 22:58:17,079 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-06 22:58:17,079 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-06 22:58:17,079 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-06 22:58:17,079 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-06 22:58:17,080 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-06 22:58:17,080 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-12-06 22:58:17,080 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-12-06 22:58:17,080 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-06 22:58:17,080 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-06 22:58:17,080 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-06 22:58:17,080 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-06 22:58:17,081 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-06 22:58:17,081 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-06 22:58:17,081 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 22:58:17,081 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-06 22:58:17,081 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-06 22:58:17,081 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-06 22:58:17,081 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-12-06 22:58:17,081 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-12-06 22:58:17,082 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-06 22:58:17,082 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-06 22:58:17,082 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-06 22:58:17,082 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-06 22:58:17,082 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-12-06 22:58:17,082 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_0687c60f-dd5c-4443-9d57-78d3c929a1c6/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0687c60f-dd5c-4443-9d57-78d3c929a1c6/bin/uautomizer-DrprNOufMa Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9e49a1360829f26f8d048b65d36d4ec5c4a8326faf8d0f409c04195556886603 [2021-12-06 22:58:17,329 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-06 22:58:17,344 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-06 22:58:17,345 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-06 22:58:17,346 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-06 22:58:17,347 INFO L275 PluginConnector]: CDTParser initialized [2021-12-06 22:58:17,348 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0687c60f-dd5c-4443-9d57-78d3c929a1c6/bin/uautomizer-DrprNOufMa/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--serial--digi_acceleport.ko-entry_point.cil.out.i [2021-12-06 22:58:17,393 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0687c60f-dd5c-4443-9d57-78d3c929a1c6/bin/uautomizer-DrprNOufMa/data/f92a81312/e6bff118de9c4841bef5569d5a55e9a7/FLAGe2c7709e9 [2021-12-06 22:58:17,978 INFO L306 CDTParser]: Found 1 translation units. [2021-12-06 22:58:17,979 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0687c60f-dd5c-4443-9d57-78d3c929a1c6/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--serial--digi_acceleport.ko-entry_point.cil.out.i [2021-12-06 22:58:18,002 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0687c60f-dd5c-4443-9d57-78d3c929a1c6/bin/uautomizer-DrprNOufMa/data/f92a81312/e6bff118de9c4841bef5569d5a55e9a7/FLAGe2c7709e9 [2021-12-06 22:58:18,441 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0687c60f-dd5c-4443-9d57-78d3c929a1c6/bin/uautomizer-DrprNOufMa/data/f92a81312/e6bff118de9c4841bef5569d5a55e9a7 [2021-12-06 22:58:18,447 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-06 22:58:18,449 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-06 22:58:18,451 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-06 22:58:18,451 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-06 22:58:18,455 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-06 22:58:18,456 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 10:58:18" (1/1) ... [2021-12-06 22:58:18,458 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25faf841 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:58:18, skipping insertion in model container [2021-12-06 22:58:18,458 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 10:58:18" (1/1) ... [2021-12-06 22:58:18,465 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-06 22:58:18,537 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-06 22:58:19,554 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_0687c60f-dd5c-4443-9d57-78d3c929a1c6/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--serial--digi_acceleport.ko-entry_point.cil.out.i[215646,215659] [2021-12-06 22:58:19,599 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 22:58:19,632 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-12-06 22:58:19,686 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-06 22:58:19,866 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_0687c60f-dd5c-4443-9d57-78d3c929a1c6/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--serial--digi_acceleport.ko-entry_point.cil.out.i[215646,215659] [2021-12-06 22:58:19,872 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 22:58:19,888 INFO L203 MainTranslator]: Completed pre-run [2021-12-06 22:58:20,078 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_0687c60f-dd5c-4443-9d57-78d3c929a1c6/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--serial--digi_acceleport.ko-entry_point.cil.out.i[215646,215659] [2021-12-06 22:58:20,082 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 22:58:20,137 INFO L208 MainTranslator]: Completed translation [2021-12-06 22:58:20,137 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:58:20 WrapperNode [2021-12-06 22:58:20,137 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-06 22:58:20,138 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-06 22:58:20,138 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-06 22:58:20,138 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-06 22:58:20,143 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:58:20" (1/1) ... [2021-12-06 22:58:20,206 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:58:20" (1/1) ... [2021-12-06 22:58:20,314 INFO L137 Inliner]: procedures = 195, calls = 1491, calls flagged for inlining = 71, calls inlined = 66, statements flattened = 3620 [2021-12-06 22:58:20,315 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-06 22:58:20,315 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-06 22:58:20,315 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-06 22:58:20,315 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-06 22:58:20,322 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:58:20" (1/1) ... [2021-12-06 22:58:20,323 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:58:20" (1/1) ... [2021-12-06 22:58:20,344 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:58:20" (1/1) ... [2021-12-06 22:58:20,345 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:58:20" (1/1) ... [2021-12-06 22:58:20,430 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:58:20" (1/1) ... [2021-12-06 22:58:20,450 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:58:20" (1/1) ... [2021-12-06 22:58:20,464 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:58:20" (1/1) ... [2021-12-06 22:58:20,481 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-06 22:58:20,482 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-06 22:58:20,482 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-06 22:58:20,482 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-06 22:58:20,483 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:58:20" (1/1) ... [2021-12-06 22:58:20,488 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 22:58:20,497 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0687c60f-dd5c-4443-9d57-78d3c929a1c6/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:58:20,507 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0687c60f-dd5c-4443-9d57-78d3c929a1c6/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-06 22:58:20,509 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0687c60f-dd5c-4443-9d57-78d3c929a1c6/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-06 22:58:20,539 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-12-06 22:58:20,539 INFO L130 BoogieDeclarations]: Found specification of procedure digi_break_ctl [2021-12-06 22:58:20,539 INFO L138 BoogieDeclarations]: Found implementation of procedure digi_break_ctl [2021-12-06 22:58:20,539 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-12-06 22:58:20,539 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-12-06 22:58:20,539 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-06 22:58:20,539 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-06 22:58:20,539 INFO L130 BoogieDeclarations]: Found specification of procedure cond_wait_interruptible_timeout_irqrestore [2021-12-06 22:58:20,539 INFO L138 BoogieDeclarations]: Found implementation of procedure cond_wait_interruptible_timeout_irqrestore [2021-12-06 22:58:20,539 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-06 22:58:20,540 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-06 22:58:20,540 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-06 22:58:20,540 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-06 22:58:20,540 INFO L130 BoogieDeclarations]: Found specification of procedure digi_rx_throttle [2021-12-06 22:58:20,540 INFO L138 BoogieDeclarations]: Found implementation of procedure digi_rx_throttle [2021-12-06 22:58:20,540 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2021-12-06 22:58:20,540 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2021-12-06 22:58:20,540 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2021-12-06 22:58:20,540 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2021-12-06 22:58:20,540 INFO L130 BoogieDeclarations]: Found specification of procedure digi_startup [2021-12-06 22:58:20,540 INFO L138 BoogieDeclarations]: Found implementation of procedure digi_startup [2021-12-06 22:58:20,540 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-06 22:58:20,540 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-06 22:58:20,541 INFO L130 BoogieDeclarations]: Found specification of procedure char_buf_ptr [2021-12-06 22:58:20,541 INFO L138 BoogieDeclarations]: Found implementation of procedure char_buf_ptr [2021-12-06 22:58:20,541 INFO L130 BoogieDeclarations]: Found specification of procedure digi_open [2021-12-06 22:58:20,541 INFO L138 BoogieDeclarations]: Found implementation of procedure digi_open [2021-12-06 22:58:20,541 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_1 [2021-12-06 22:58:20,541 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_1 [2021-12-06 22:58:20,541 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_serial_port_data [2021-12-06 22:58:20,541 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_serial_port_data [2021-12-06 22:58:20,541 INFO L130 BoogieDeclarations]: Found specification of procedure digi_read_bulk_callback [2021-12-06 22:58:20,541 INFO L138 BoogieDeclarations]: Found implementation of procedure digi_read_bulk_callback [2021-12-06 22:58:20,541 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-06 22:58:20,541 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-06 22:58:20,541 INFO L130 BoogieDeclarations]: Found specification of procedure digi_write [2021-12-06 22:58:20,542 INFO L138 BoogieDeclarations]: Found implementation of procedure digi_write [2021-12-06 22:58:20,542 INFO L130 BoogieDeclarations]: Found specification of procedure digi_set_termios [2021-12-06 22:58:20,542 INFO L138 BoogieDeclarations]: Found implementation of procedure digi_set_termios [2021-12-06 22:58:20,542 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-06 22:58:20,542 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-06 22:58:20,542 INFO L130 BoogieDeclarations]: Found specification of procedure digi_tiocmset [2021-12-06 22:58:20,542 INFO L138 BoogieDeclarations]: Found implementation of procedure digi_tiocmset [2021-12-06 22:58:20,542 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-06 22:58:20,542 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-06 22:58:20,542 INFO L130 BoogieDeclarations]: Found specification of procedure digi_set_modem_signals [2021-12-06 22:58:20,542 INFO L138 BoogieDeclarations]: Found implementation of procedure digi_set_modem_signals [2021-12-06 22:58:20,542 INFO L130 BoogieDeclarations]: Found specification of procedure tty_termios_baud_rate [2021-12-06 22:58:20,542 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_termios_baud_rate [2021-12-06 22:58:20,542 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-06 22:58:20,542 INFO L130 BoogieDeclarations]: Found specification of procedure digi_write_inb_command [2021-12-06 22:58:20,543 INFO L138 BoogieDeclarations]: Found implementation of procedure digi_write_inb_command [2021-12-06 22:58:20,543 INFO L130 BoogieDeclarations]: Found specification of procedure digi_write_oob_command [2021-12-06 22:58:20,543 INFO L138 BoogieDeclarations]: Found implementation of procedure digi_write_oob_command [2021-12-06 22:58:20,543 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-06 22:58:20,543 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2021-12-06 22:58:20,543 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2021-12-06 22:58:20,543 INFO L130 BoogieDeclarations]: Found specification of procedure signal_pending [2021-12-06 22:58:20,543 INFO L138 BoogieDeclarations]: Found implementation of procedure signal_pending [2021-12-06 22:58:20,543 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-12-06 22:58:20,543 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-12-06 22:58:20,543 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-12-06 22:58:20,543 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-12-06 22:58:20,543 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-06 22:58:20,543 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-12-06 22:58:20,544 INFO L130 BoogieDeclarations]: Found specification of procedure digi_rx_unthrottle [2021-12-06 22:58:20,544 INFO L138 BoogieDeclarations]: Found implementation of procedure digi_rx_unthrottle [2021-12-06 22:58:20,544 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-06 22:58:20,544 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2021-12-06 22:58:20,544 INFO L130 BoogieDeclarations]: Found specification of procedure digi_chars_in_buffer [2021-12-06 22:58:20,544 INFO L138 BoogieDeclarations]: Found implementation of procedure digi_chars_in_buffer [2021-12-06 22:58:20,544 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-12-06 22:58:20,544 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-12-06 22:58:20,544 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-12-06 22:58:20,544 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-12-06 22:58:20,544 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-12-06 22:58:20,544 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2021-12-06 22:58:20,544 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2021-12-06 22:58:20,544 INFO L130 BoogieDeclarations]: Found specification of procedure digi_port_remove [2021-12-06 22:58:20,544 INFO L138 BoogieDeclarations]: Found implementation of procedure digi_port_remove [2021-12-06 22:58:20,545 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-12-06 22:58:20,545 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-12-06 22:58:20,545 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-12-06 22:58:20,545 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-12-06 22:58:20,545 INFO L130 BoogieDeclarations]: Found specification of procedure digi_disconnect [2021-12-06 22:58:20,545 INFO L138 BoogieDeclarations]: Found implementation of procedure digi_disconnect [2021-12-06 22:58:20,545 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_tty_wakeup [2021-12-06 22:58:20,545 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_port_tty_wakeup [2021-12-06 22:58:20,545 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-06 22:58:20,545 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-06 22:58:20,545 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2021-12-06 22:58:20,545 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2021-12-06 22:58:20,545 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-12-06 22:58:20,545 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-12-06 22:58:20,546 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-06 22:58:20,546 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-06 22:58:20,546 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-12-06 22:58:20,546 INFO L130 BoogieDeclarations]: Found specification of procedure digi_write_bulk_callback [2021-12-06 22:58:20,546 INFO L138 BoogieDeclarations]: Found implementation of procedure digi_write_bulk_callback [2021-12-06 22:58:20,546 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2021-12-06 22:58:20,546 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2021-12-06 22:58:20,546 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2021-12-06 22:58:20,546 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-06 22:58:20,546 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-06 22:58:20,546 INFO L130 BoogieDeclarations]: Found specification of procedure digi_wakeup_write_lock [2021-12-06 22:58:20,546 INFO L138 BoogieDeclarations]: Found implementation of procedure digi_wakeup_write_lock [2021-12-06 22:58:20,546 INFO L130 BoogieDeclarations]: Found specification of procedure digi_write_room [2021-12-06 22:58:20,546 INFO L138 BoogieDeclarations]: Found implementation of procedure digi_write_room [2021-12-06 22:58:20,547 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2021-12-06 22:58:20,547 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2021-12-06 22:58:20,547 INFO L130 BoogieDeclarations]: Found specification of procedure digi_close [2021-12-06 22:58:20,547 INFO L138 BoogieDeclarations]: Found implementation of procedure digi_close [2021-12-06 22:58:20,547 INFO L130 BoogieDeclarations]: Found specification of procedure digi_tiocmget [2021-12-06 22:58:20,547 INFO L138 BoogieDeclarations]: Found implementation of procedure digi_tiocmget [2021-12-06 22:58:20,547 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-06 22:58:20,547 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2021-12-06 22:58:20,547 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2021-12-06 22:58:20,547 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-06 22:58:20,547 INFO L130 BoogieDeclarations]: Found specification of procedure digi_port_probe [2021-12-06 22:58:20,547 INFO L138 BoogieDeclarations]: Found implementation of procedure digi_port_probe [2021-12-06 22:58:20,547 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-06 22:58:20,547 INFO L130 BoogieDeclarations]: Found specification of procedure digi_release [2021-12-06 22:58:20,548 INFO L138 BoogieDeclarations]: Found implementation of procedure digi_release [2021-12-06 22:58:20,548 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-12-06 22:58:20,548 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2021-12-06 22:58:20,548 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2021-12-06 22:58:20,548 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-12-06 22:58:20,548 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2021-12-06 22:58:20,548 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2021-12-06 22:58:20,548 INFO L130 BoogieDeclarations]: Found specification of procedure digi_port_init [2021-12-06 22:58:20,548 INFO L138 BoogieDeclarations]: Found implementation of procedure digi_port_init [2021-12-06 22:58:20,548 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait [2021-12-06 22:58:20,548 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait [2021-12-06 22:58:20,548 INFO L130 BoogieDeclarations]: Found specification of procedure digi_dtr_rts [2021-12-06 22:58:20,548 INFO L138 BoogieDeclarations]: Found implementation of procedure digi_dtr_rts [2021-12-06 22:58:20,548 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-12-06 22:58:20,548 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-12-06 22:58:20,549 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2021-12-06 22:58:20,549 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2021-12-06 22:58:20,549 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout [2021-12-06 22:58:20,549 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout [2021-12-06 22:58:20,549 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2021-12-06 22:58:20,549 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_serial_data [2021-12-06 22:58:20,549 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_serial_data [2021-12-06 22:58:20,549 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_guard [2021-12-06 22:58:20,549 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_guard [2021-12-06 22:58:20,549 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2021-12-06 22:58:20,549 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2021-12-06 22:58:20,549 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-06 22:58:20,549 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-06 22:58:20,905 INFO L236 CfgBuilder]: Building ICFG [2021-12-06 22:58:20,907 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-06 22:58:22,333 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-06 22:58:54,793 INFO L277 CfgBuilder]: Performing block encoding [2021-12-06 22:58:54,816 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-06 22:58:54,816 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-06 22:58:54,821 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 10:58:54 BoogieIcfgContainer [2021-12-06 22:58:54,821 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-06 22:58:54,822 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-06 22:58:54,822 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-06 22:58:54,824 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-06 22:58:54,825 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.12 10:58:18" (1/3) ... [2021-12-06 22:58:54,825 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1cab2741 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 10:58:54, skipping insertion in model container [2021-12-06 22:58:54,825 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:58:20" (2/3) ... [2021-12-06 22:58:54,825 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1cab2741 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 10:58:54, skipping insertion in model container [2021-12-06 22:58:54,826 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 10:58:54" (3/3) ... [2021-12-06 22:58:54,827 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--usb--serial--digi_acceleport.ko-entry_point.cil.out.i [2021-12-06 22:58:54,832 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-06 22:58:54,832 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-06 22:58:54,874 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-06 22:58:54,879 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 22:58:54,879 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-06 22:58:54,919 INFO L276 IsEmpty]: Start isEmpty. Operand has 1283 states, 893 states have (on average 1.4076147816349385) internal successors, (1257), 911 states have internal predecessors, (1257), 329 states have call successors, (329), 60 states have call predecessors, (329), 59 states have return successors, (324), 320 states have call predecessors, (324), 324 states have call successors, (324) [2021-12-06 22:58:54,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2021-12-06 22:58:54,935 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 22:58:54,936 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 22:58:54,936 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 22:58:54,940 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:58:54,941 INFO L85 PathProgramCache]: Analyzing trace with hash 2049785366, now seen corresponding path program 1 times [2021-12-06 22:58:54,955 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 22:58:54,955 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1561714619] [2021-12-06 22:58:54,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:58:54,956 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 22:58:54,956 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0687c60f-dd5c-4443-9d57-78d3c929a1c6/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 22:58:54,957 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0687c60f-dd5c-4443-9d57-78d3c929a1c6/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 22:58:54,958 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0687c60f-dd5c-4443-9d57-78d3c929a1c6/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-12-06 22:58:56,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:58:56,129 INFO L263 TraceCheckSpWp]: Trace formula consists of 1773 conjuncts, 1 conjunts are in the unsatisfiable core [2021-12-06 22:58:56,138 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 22:58:57,190 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 217 trivial. 0 not checked. [2021-12-06 22:58:57,191 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 22:58:57,191 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-06 22:58:57,192 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1561714619] [2021-12-06 22:58:57,192 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1561714619] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:58:57,192 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 22:58:57,192 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-06 22:58:57,194 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1996088533] [2021-12-06 22:58:57,195 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:58:57,198 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-12-06 22:58:57,199 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-06 22:58:57,222 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-12-06 22:58:57,223 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-06 22:58:57,228 INFO L87 Difference]: Start difference. First operand has 1283 states, 893 states have (on average 1.4076147816349385) internal successors, (1257), 911 states have internal predecessors, (1257), 329 states have call successors, (329), 60 states have call predecessors, (329), 59 states have return successors, (324), 320 states have call predecessors, (324), 324 states have call successors, (324) Second operand has 2 states, 2 states have (on average 27.5) internal successors, (55), 2 states have internal predecessors, (55), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2021-12-06 22:58:57,324 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 22:58:57,324 INFO L93 Difference]: Finished difference Result 2561 states and 3923 transitions. [2021-12-06 22:58:57,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-06 22:58:57,325 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 27.5) internal successors, (55), 2 states have internal predecessors, (55), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 151 [2021-12-06 22:58:57,326 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 22:58:57,347 INFO L225 Difference]: With dead ends: 2561 [2021-12-06 22:58:57,347 INFO L226 Difference]: Without dead ends: 1268 [2021-12-06 22:58:57,360 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 150 GetRequests, 150 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 22:58:57,363 INFO L933 BasicCegarLoop]: 1905 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, 1905 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 22:58:57,364 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 1905 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-06 22:58:57,380 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1268 states. [2021-12-06 22:58:57,473 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1268 to 1268. [2021-12-06 22:58:57,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1268 states, 885 states have (on average 1.4) internal successors, (1239), 896 states have internal predecessors, (1239), 324 states have call successors, (324), 59 states have call predecessors, (324), 58 states have return successors, (323), 319 states have call predecessors, (323), 323 states have call successors, (323) [2021-12-06 22:58:57,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1268 states to 1268 states and 1886 transitions. [2021-12-06 22:58:57,490 INFO L78 Accepts]: Start accepts. Automaton has 1268 states and 1886 transitions. Word has length 151 [2021-12-06 22:58:57,491 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 22:58:57,491 INFO L470 AbstractCegarLoop]: Abstraction has 1268 states and 1886 transitions. [2021-12-06 22:58:57,492 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 27.5) internal successors, (55), 2 states have internal predecessors, (55), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2021-12-06 22:58:57,492 INFO L276 IsEmpty]: Start isEmpty. Operand 1268 states and 1886 transitions. [2021-12-06 22:58:57,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2021-12-06 22:58:57,496 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 22:58:57,496 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 22:58:57,537 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0687c60f-dd5c-4443-9d57-78d3c929a1c6/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-12-06 22:58:57,697 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0687c60f-dd5c-4443-9d57-78d3c929a1c6/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-06 22:58:57,697 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 22:58:57,698 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:58:57,698 INFO L85 PathProgramCache]: Analyzing trace with hash 1405767950, now seen corresponding path program 1 times [2021-12-06 22:58:57,699 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 22:58:57,699 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [434167840] [2021-12-06 22:58:57,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:58:57,700 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 22:58:57,700 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0687c60f-dd5c-4443-9d57-78d3c929a1c6/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 22:58:57,701 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0687c60f-dd5c-4443-9d57-78d3c929a1c6/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 22:58:57,702 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0687c60f-dd5c-4443-9d57-78d3c929a1c6/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-12-06 22:58:58,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:58:58,907 INFO L263 TraceCheckSpWp]: Trace formula consists of 1773 conjuncts, 5 conjunts are in the unsatisfiable core [2021-12-06 22:58:58,914 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 22:58:59,925 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 224 trivial. 0 not checked. [2021-12-06 22:58:59,926 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 22:58:59,926 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-06 22:58:59,926 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [434167840] [2021-12-06 22:58:59,926 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [434167840] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:58:59,926 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 22:58:59,926 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-06 22:58:59,927 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1450974624] [2021-12-06 22:58:59,927 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:58:59,928 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-06 22:58:59,928 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-06 22:58:59,929 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-06 22:58:59,929 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-06 22:58:59,930 INFO L87 Difference]: Start difference. First operand 1268 states and 1886 transitions. Second operand has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 2 states have call successors, (20), 2 states have call predecessors, (20), 3 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2021-12-06 22:59:00,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 22:59:00,368 INFO L93 Difference]: Finished difference Result 2528 states and 3768 transitions. [2021-12-06 22:59:00,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-06 22:59:00,369 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 2 states have call successors, (20), 2 states have call predecessors, (20), 3 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 151 [2021-12-06 22:59:00,370 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 22:59:00,379 INFO L225 Difference]: With dead ends: 2528 [2021-12-06 22:59:00,380 INFO L226 Difference]: Without dead ends: 1269 [2021-12-06 22:59:00,386 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 148 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-06 22:59:00,387 INFO L933 BasicCegarLoop]: 1884 mSDtfsCounter, 3 mSDsluCounter, 3749 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 5633 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-12-06 22:59:00,387 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3 Valid, 5633 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-12-06 22:59:00,390 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1269 states. [2021-12-06 22:59:00,425 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1269 to 1269. [2021-12-06 22:59:00,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1269 states, 886 states have (on average 1.399548532731377) internal successors, (1240), 897 states have internal predecessors, (1240), 324 states have call successors, (324), 59 states have call predecessors, (324), 58 states have return successors, (323), 319 states have call predecessors, (323), 323 states have call successors, (323) [2021-12-06 22:59:00,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1269 states to 1269 states and 1887 transitions. [2021-12-06 22:59:00,440 INFO L78 Accepts]: Start accepts. Automaton has 1269 states and 1887 transitions. Word has length 151 [2021-12-06 22:59:00,441 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 22:59:00,441 INFO L470 AbstractCegarLoop]: Abstraction has 1269 states and 1887 transitions. [2021-12-06 22:59:00,441 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 2 states have call successors, (20), 2 states have call predecessors, (20), 3 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2021-12-06 22:59:00,441 INFO L276 IsEmpty]: Start isEmpty. Operand 1269 states and 1887 transitions. [2021-12-06 22:59:00,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2021-12-06 22:59:00,443 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 22:59:00,443 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 22:59:00,482 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0687c60f-dd5c-4443-9d57-78d3c929a1c6/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (3)] Ended with exit code 0 [2021-12-06 22:59:00,644 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0687c60f-dd5c-4443-9d57-78d3c929a1c6/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-06 22:59:00,644 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 22:59:00,645 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:59:00,645 INFO L85 PathProgramCache]: Analyzing trace with hash 1675407601, now seen corresponding path program 1 times [2021-12-06 22:59:00,663 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 22:59:00,663 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [719140664] [2021-12-06 22:59:00,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:59:00,663 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 22:59:00,663 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0687c60f-dd5c-4443-9d57-78d3c929a1c6/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 22:59:00,664 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0687c60f-dd5c-4443-9d57-78d3c929a1c6/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 22:59:00,667 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0687c60f-dd5c-4443-9d57-78d3c929a1c6/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-12-06 22:59:01,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:59:01,980 INFO L263 TraceCheckSpWp]: Trace formula consists of 1872 conjuncts, 6 conjunts are in the unsatisfiable core [2021-12-06 22:59:01,984 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 22:59:03,145 INFO L134 CoverageAnalysis]: Checked inductivity of 381 backedges. 64 proven. 1 refuted. 0 times theorem prover too weak. 316 trivial. 0 not checked. [2021-12-06 22:59:03,146 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 22:59:04,367 INFO L134 CoverageAnalysis]: Checked inductivity of 381 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 324 trivial. 0 not checked. [2021-12-06 22:59:04,367 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-06 22:59:04,368 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [719140664] [2021-12-06 22:59:04,368 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [719140664] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-06 22:59:04,368 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-12-06 22:59:04,368 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2021-12-06 22:59:04,368 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1409467491] [2021-12-06 22:59:04,368 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-12-06 22:59:04,369 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-06 22:59:04,369 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-06 22:59:04,369 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-06 22:59:04,369 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-12-06 22:59:04,369 INFO L87 Difference]: Start difference. First operand 1269 states and 1887 transitions. Second operand has 8 states, 8 states have (on average 7.625) internal successors, (61), 8 states have internal predecessors, (61), 2 states have call successors, (28), 2 states have call predecessors, (28), 4 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2021-12-06 22:59:05,348 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 22:59:05,348 INFO L93 Difference]: Finished difference Result 2535 states and 3785 transitions. [2021-12-06 22:59:05,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-06 22:59:05,349 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.625) internal successors, (61), 8 states have internal predecessors, (61), 2 states have call successors, (28), 2 states have call predecessors, (28), 4 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 160 [2021-12-06 22:59:05,349 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 22:59:05,357 INFO L225 Difference]: With dead ends: 2535 [2021-12-06 22:59:05,358 INFO L226 Difference]: Without dead ends: 1272 [2021-12-06 22:59:05,363 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 320 GetRequests, 312 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2021-12-06 22:59:05,364 INFO L933 BasicCegarLoop]: 1884 mSDtfsCounter, 16 mSDsluCounter, 3754 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 5638 SdHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-12-06 22:59:05,365 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [16 Valid, 5638 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-12-06 22:59:05,368 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1272 states. [2021-12-06 22:59:05,401 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1272 to 1272. [2021-12-06 22:59:05,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1272 states, 889 states have (on average 1.3982002249718786) internal successors, (1243), 900 states have internal predecessors, (1243), 324 states have call successors, (324), 59 states have call predecessors, (324), 58 states have return successors, (323), 319 states have call predecessors, (323), 323 states have call successors, (323) [2021-12-06 22:59:05,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1272 states to 1272 states and 1890 transitions. [2021-12-06 22:59:05,415 INFO L78 Accepts]: Start accepts. Automaton has 1272 states and 1890 transitions. Word has length 160 [2021-12-06 22:59:05,415 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 22:59:05,415 INFO L470 AbstractCegarLoop]: Abstraction has 1272 states and 1890 transitions. [2021-12-06 22:59:05,416 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.625) internal successors, (61), 8 states have internal predecessors, (61), 2 states have call successors, (28), 2 states have call predecessors, (28), 4 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2021-12-06 22:59:05,416 INFO L276 IsEmpty]: Start isEmpty. Operand 1272 states and 1890 transitions. [2021-12-06 22:59:05,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2021-12-06 22:59:05,418 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 22:59:05,418 INFO L514 BasicCegarLoop]: trace histogram [36, 9, 9, 9, 9, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 22:59:05,464 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0687c60f-dd5c-4443-9d57-78d3c929a1c6/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (4)] Ended with exit code 0 [2021-12-06 22:59:05,618 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0687c60f-dd5c-4443-9d57-78d3c929a1c6/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-06 22:59:05,619 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 22:59:05,619 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:59:05,619 INFO L85 PathProgramCache]: Analyzing trace with hash 200213454, now seen corresponding path program 2 times [2021-12-06 22:59:05,621 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 22:59:05,621 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1041725650] [2021-12-06 22:59:05,621 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-12-06 22:59:05,621 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 22:59:05,621 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0687c60f-dd5c-4443-9d57-78d3c929a1c6/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 22:59:05,622 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0687c60f-dd5c-4443-9d57-78d3c929a1c6/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 22:59:05,622 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0687c60f-dd5c-4443-9d57-78d3c929a1c6/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-12-06 22:59:06,482 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2021-12-06 22:59:06,483 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-06 22:59:06,563 INFO L263 TraceCheckSpWp]: Trace formula consists of 1392 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-06 22:59:06,567 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 22:59:06,927 INFO L134 CoverageAnalysis]: Checked inductivity of 1218 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1218 trivial. 0 not checked. [2021-12-06 22:59:06,927 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 22:59:06,927 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-06 22:59:06,927 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1041725650] [2021-12-06 22:59:06,927 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1041725650] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:59:06,928 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 22:59:06,928 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 22:59:06,928 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1841665090] [2021-12-06 22:59:06,928 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:59:06,929 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 22:59:06,929 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-06 22:59:06,930 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 22:59:06,930 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 22:59:06,930 INFO L87 Difference]: Start difference. First operand 1272 states and 1890 transitions. Second operand has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2021-12-06 22:59:08,659 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 22:59:08,659 INFO L93 Difference]: Finished difference Result 3539 states and 5233 transitions. [2021-12-06 22:59:08,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 22:59:08,660 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 187 [2021-12-06 22:59:08,661 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 22:59:08,684 INFO L225 Difference]: With dead ends: 3539 [2021-12-06 22:59:08,684 INFO L226 Difference]: Without dead ends: 2306 [2021-12-06 22:59:08,694 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 186 GetRequests, 185 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 22:59:08,695 INFO L933 BasicCegarLoop]: 2135 mSDtfsCounter, 1544 mSDsluCounter, 1676 mSDsCounter, 0 mSdLazyCounter, 162 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1544 SdHoareTripleChecker+Valid, 3811 SdHoareTripleChecker+Invalid, 164 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 162 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2021-12-06 22:59:08,695 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1544 Valid, 3811 Invalid, 164 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 162 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2021-12-06 22:59:08,700 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2306 states. [2021-12-06 22:59:08,763 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2306 to 2303. [2021-12-06 22:59:08,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2303 states, 1613 states have (on average 1.3918164910105393) internal successors, (2245), 1635 states have internal predecessors, (2245), 574 states have call successors, (574), 116 states have call predecessors, (574), 115 states have return successors, (573), 565 states have call predecessors, (573), 573 states have call successors, (573) [2021-12-06 22:59:08,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2303 states to 2303 states and 3392 transitions. [2021-12-06 22:59:08,775 INFO L78 Accepts]: Start accepts. Automaton has 2303 states and 3392 transitions. Word has length 187 [2021-12-06 22:59:08,776 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 22:59:08,776 INFO L470 AbstractCegarLoop]: Abstraction has 2303 states and 3392 transitions. [2021-12-06 22:59:08,776 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2021-12-06 22:59:08,776 INFO L276 IsEmpty]: Start isEmpty. Operand 2303 states and 3392 transitions. [2021-12-06 22:59:08,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2021-12-06 22:59:08,779 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 22:59:08,779 INFO L514 BasicCegarLoop]: trace histogram [36, 9, 9, 9, 9, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 22:59:08,802 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0687c60f-dd5c-4443-9d57-78d3c929a1c6/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-12-06 22:59:08,979 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0687c60f-dd5c-4443-9d57-78d3c929a1c6/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-06 22:59:08,981 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 22:59:08,982 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:59:08,982 INFO L85 PathProgramCache]: Analyzing trace with hash 599791300, now seen corresponding path program 1 times [2021-12-06 22:59:08,987 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 22:59:08,987 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [588372559] [2021-12-06 22:59:08,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:59:08,988 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 22:59:08,988 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0687c60f-dd5c-4443-9d57-78d3c929a1c6/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 22:59:08,990 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0687c60f-dd5c-4443-9d57-78d3c929a1c6/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 22:59:08,993 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0687c60f-dd5c-4443-9d57-78d3c929a1c6/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-12-06 22:59:12,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:59:12,823 INFO L263 TraceCheckSpWp]: Trace formula consists of 2169 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-06 22:59:12,827 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 22:59:13,187 INFO L134 CoverageAnalysis]: Checked inductivity of 1218 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1218 trivial. 0 not checked. [2021-12-06 22:59:13,188 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 22:59:13,188 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-06 22:59:13,188 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [588372559] [2021-12-06 22:59:13,188 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [588372559] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:59:13,188 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 22:59:13,188 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 22:59:13,188 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [156653962] [2021-12-06 22:59:13,189 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:59:13,189 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 22:59:13,189 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-06 22:59:13,189 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 22:59:13,190 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 22:59:13,190 INFO L87 Difference]: Start difference. First operand 2303 states and 3392 transitions. Second operand has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2021-12-06 22:59:15,038 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 22:59:15,039 INFO L93 Difference]: Finished difference Result 5654 states and 8304 transitions. [2021-12-06 22:59:15,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 22:59:15,039 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 187 [2021-12-06 22:59:15,040 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 22:59:15,063 INFO L225 Difference]: With dead ends: 5654 [2021-12-06 22:59:15,063 INFO L226 Difference]: Without dead ends: 3397 [2021-12-06 22:59:15,073 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 186 GetRequests, 185 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 22:59:15,074 INFO L933 BasicCegarLoop]: 3280 mSDtfsCounter, 1531 mSDsluCounter, 1664 mSDsCounter, 0 mSdLazyCounter, 174 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1531 SdHoareTripleChecker+Valid, 4944 SdHoareTripleChecker+Invalid, 176 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 174 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2021-12-06 22:59:15,074 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1531 Valid, 4944 Invalid, 176 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 174 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2021-12-06 22:59:15,079 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3397 states. [2021-12-06 22:59:15,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3397 to 3392. [2021-12-06 22:59:15,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3392 states, 2382 states have (on average 1.387489504617968) internal successors, (3305), 2416 states have internal predecessors, (3305), 831 states have call successors, (831), 179 states have call predecessors, (831), 178 states have return successors, (830), 817 states have call predecessors, (830), 830 states have call successors, (830) [2021-12-06 22:59:15,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3392 states to 3392 states and 4966 transitions. [2021-12-06 22:59:15,183 INFO L78 Accepts]: Start accepts. Automaton has 3392 states and 4966 transitions. Word has length 187 [2021-12-06 22:59:15,183 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 22:59:15,183 INFO L470 AbstractCegarLoop]: Abstraction has 3392 states and 4966 transitions. [2021-12-06 22:59:15,184 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2021-12-06 22:59:15,184 INFO L276 IsEmpty]: Start isEmpty. Operand 3392 states and 4966 transitions. [2021-12-06 22:59:15,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 329 [2021-12-06 22:59:15,188 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 22:59:15,188 INFO L514 BasicCegarLoop]: trace histogram [36, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 9, 9, 9, 9, 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] [2021-12-06 22:59:15,233 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0687c60f-dd5c-4443-9d57-78d3c929a1c6/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (6)] Ended with exit code 0 [2021-12-06 22:59:15,388 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0687c60f-dd5c-4443-9d57-78d3c929a1c6/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-06 22:59:15,389 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 22:59:15,390 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:59:15,391 INFO L85 PathProgramCache]: Analyzing trace with hash -1381577729, now seen corresponding path program 1 times [2021-12-06 22:59:15,395 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 22:59:15,395 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1935262898] [2021-12-06 22:59:15,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:59:15,396 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 22:59:15,396 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0687c60f-dd5c-4443-9d57-78d3c929a1c6/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 22:59:15,398 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0687c60f-dd5c-4443-9d57-78d3c929a1c6/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 22:59:15,401 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0687c60f-dd5c-4443-9d57-78d3c929a1c6/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-12-06 22:59:19,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:59:19,799 INFO L263 TraceCheckSpWp]: Trace formula consists of 2578 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-06 22:59:19,805 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 22:59:22,849 INFO L134 CoverageAnalysis]: Checked inductivity of 2061 backedges. 451 proven. 0 refuted. 0 times theorem prover too weak. 1610 trivial. 0 not checked. [2021-12-06 22:59:22,850 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 22:59:22,850 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-06 22:59:22,850 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1935262898] [2021-12-06 22:59:22,850 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1935262898] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:59:22,850 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 22:59:22,850 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 22:59:22,851 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2145016881] [2021-12-06 22:59:22,851 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:59:22,851 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 22:59:22,851 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-06 22:59:22,852 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 22:59:22,852 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 22:59:22,852 INFO L87 Difference]: Start difference. First operand 3392 states and 4966 transitions. Second operand has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 3 states have call successors, (30), 3 states have call predecessors, (30), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2021-12-06 22:59:25,004 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:59:27,357 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 22:59:27,357 INFO L93 Difference]: Finished difference Result 8437 states and 12386 transitions. [2021-12-06 22:59:27,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 22:59:27,358 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 3 states have call successors, (30), 3 states have call predecessors, (30), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 328 [2021-12-06 22:59:27,358 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 22:59:27,388 INFO L225 Difference]: With dead ends: 8437 [2021-12-06 22:59:27,388 INFO L226 Difference]: Without dead ends: 5098 [2021-12-06 22:59:27,400 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 327 GetRequests, 326 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 22:59:27,401 INFO L933 BasicCegarLoop]: 2261 mSDtfsCounter, 1596 mSDsluCounter, 1674 mSDsCounter, 0 mSdLazyCounter, 192 mSolverCounterSat, 77 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1596 SdHoareTripleChecker+Valid, 3935 SdHoareTripleChecker+Invalid, 270 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 77 IncrementalHoareTripleChecker+Valid, 192 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2021-12-06 22:59:27,401 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1596 Valid, 3935 Invalid, 270 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [77 Valid, 192 Invalid, 1 Unknown, 0 Unchecked, 4.4s Time] [2021-12-06 22:59:27,408 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5098 states. [2021-12-06 22:59:27,526 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5098 to 5095. [2021-12-06 22:59:27,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5095 states, 3625 states have (on average 1.376551724137931) internal successors, (4990), 3675 states have internal predecessors, (4990), 1193 states have call successors, (1193), 277 states have call predecessors, (1193), 276 states have return successors, (1192), 1174 states have call predecessors, (1192), 1192 states have call successors, (1192) [2021-12-06 22:59:27,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5095 states to 5095 states and 7375 transitions. [2021-12-06 22:59:27,570 INFO L78 Accepts]: Start accepts. Automaton has 5095 states and 7375 transitions. Word has length 328 [2021-12-06 22:59:27,570 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 22:59:27,570 INFO L470 AbstractCegarLoop]: Abstraction has 5095 states and 7375 transitions. [2021-12-06 22:59:27,570 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 3 states have call successors, (30), 3 states have call predecessors, (30), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2021-12-06 22:59:27,571 INFO L276 IsEmpty]: Start isEmpty. Operand 5095 states and 7375 transitions. [2021-12-06 22:59:27,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 329 [2021-12-06 22:59:27,575 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 22:59:27,575 INFO L514 BasicCegarLoop]: trace histogram [36, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 9, 9, 9, 9, 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] [2021-12-06 22:59:27,625 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0687c60f-dd5c-4443-9d57-78d3c929a1c6/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (7)] Ended with exit code 0 [2021-12-06 22:59:27,775 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0687c60f-dd5c-4443-9d57-78d3c929a1c6/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-06 22:59:27,775 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 22:59:27,776 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:59:27,776 INFO L85 PathProgramCache]: Analyzing trace with hash -981999883, now seen corresponding path program 1 times [2021-12-06 22:59:27,777 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 22:59:27,778 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [790906880] [2021-12-06 22:59:27,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:59:27,778 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 22:59:27,778 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0687c60f-dd5c-4443-9d57-78d3c929a1c6/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 22:59:27,778 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0687c60f-dd5c-4443-9d57-78d3c929a1c6/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 22:59:27,779 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0687c60f-dd5c-4443-9d57-78d3c929a1c6/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-12-06 22:59:31,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:59:32,132 INFO L263 TraceCheckSpWp]: Trace formula consists of 2578 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-06 22:59:32,138 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 22:59:34,086 INFO L134 CoverageAnalysis]: Checked inductivity of 2061 backedges. 451 proven. 0 refuted. 0 times theorem prover too weak. 1610 trivial. 0 not checked. [2021-12-06 22:59:34,086 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 22:59:34,086 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-06 22:59:34,086 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [790906880] [2021-12-06 22:59:34,087 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [790906880] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:59:34,087 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 22:59:34,087 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 22:59:34,087 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1572903671] [2021-12-06 22:59:34,087 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:59:34,088 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 22:59:34,088 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-06 22:59:34,089 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 22:59:34,089 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 22:59:34,089 INFO L87 Difference]: Start difference. First operand 5095 states and 7375 transitions. Second operand has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 3 states have call successors, (30), 3 states have call predecessors, (30), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2021-12-06 22:59:36,211 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 22:59:38,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 22:59:38,772 INFO L93 Difference]: Finished difference Result 12550 states and 18212 transitions. [2021-12-06 22:59:38,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 22:59:38,773 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 3 states have call successors, (30), 3 states have call predecessors, (30), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 328 [2021-12-06 22:59:38,774 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 22:59:38,818 INFO L225 Difference]: With dead ends: 12550 [2021-12-06 22:59:38,818 INFO L226 Difference]: Without dead ends: 7508 [2021-12-06 22:59:38,836 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 327 GetRequests, 326 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 22:59:38,837 INFO L933 BasicCegarLoop]: 2560 mSDtfsCounter, 1595 mSDsluCounter, 1673 mSDsCounter, 0 mSdLazyCounter, 206 mSolverCounterSat, 83 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1595 SdHoareTripleChecker+Valid, 4233 SdHoareTripleChecker+Invalid, 290 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 83 IncrementalHoareTripleChecker+Valid, 206 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2021-12-06 22:59:38,837 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1595 Valid, 4233 Invalid, 290 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [83 Valid, 206 Invalid, 1 Unknown, 0 Unchecked, 4.5s Time] [2021-12-06 22:59:38,846 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7508 states. [2021-12-06 22:59:39,001 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7508 to 7503. [2021-12-06 22:59:39,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7503 states, 5410 states have (on average 1.3639556377079483) internal successors, (7379), 5482 states have internal predecessors, (7379), 1673 states have call successors, (1673), 420 states have call predecessors, (1673), 419 states have return successors, (1672), 1647 states have call predecessors, (1672), 1672 states have call successors, (1672) [2021-12-06 22:59:39,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7503 states to 7503 states and 10724 transitions. [2021-12-06 22:59:39,063 INFO L78 Accepts]: Start accepts. Automaton has 7503 states and 10724 transitions. Word has length 328 [2021-12-06 22:59:39,063 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 22:59:39,064 INFO L470 AbstractCegarLoop]: Abstraction has 7503 states and 10724 transitions. [2021-12-06 22:59:39,064 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 3 states have call successors, (30), 3 states have call predecessors, (30), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2021-12-06 22:59:39,064 INFO L276 IsEmpty]: Start isEmpty. Operand 7503 states and 10724 transitions. [2021-12-06 22:59:39,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 330 [2021-12-06 22:59:39,066 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 22:59:39,066 INFO L514 BasicCegarLoop]: trace histogram [36, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 9, 9, 9, 9, 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] [2021-12-06 22:59:39,106 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0687c60f-dd5c-4443-9d57-78d3c929a1c6/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (8)] Ended with exit code 0 [2021-12-06 22:59:39,267 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0687c60f-dd5c-4443-9d57-78d3c929a1c6/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-06 22:59:39,268 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 22:59:39,271 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:59:39,271 INFO L85 PathProgramCache]: Analyzing trace with hash -1466562149, now seen corresponding path program 1 times [2021-12-06 22:59:39,276 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 22:59:39,276 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [575394196] [2021-12-06 22:59:39,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:59:39,277 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 22:59:39,278 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0687c60f-dd5c-4443-9d57-78d3c929a1c6/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 22:59:39,280 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0687c60f-dd5c-4443-9d57-78d3c929a1c6/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 22:59:39,283 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0687c60f-dd5c-4443-9d57-78d3c929a1c6/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2021-12-06 22:59:44,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:59:44,236 INFO L263 TraceCheckSpWp]: Trace formula consists of 2579 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-06 22:59:44,244 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 22:59:51,933 INFO L134 CoverageAnalysis]: Checked inductivity of 2061 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2061 trivial. 0 not checked. [2021-12-06 22:59:51,933 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 22:59:51,933 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-06 22:59:51,933 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [575394196] [2021-12-06 22:59:51,933 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [575394196] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:59:51,933 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 22:59:51,934 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-06 22:59:51,934 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [481257704] [2021-12-06 22:59:51,934 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:59:51,935 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 22:59:51,935 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-06 22:59:51,935 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 22:59:51,935 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 22:59:51,935 INFO L87 Difference]: Start difference. First operand 7503 states and 10724 transitions. Second operand has 3 states, 3 states have (on average 22.0) internal successors, (66), 2 states have internal predecessors, (66), 2 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2021-12-06 22:59:52,081 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 22:59:52,081 INFO L93 Difference]: Finished difference Result 7739 states and 11015 transitions. [2021-12-06 22:59:52,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 22:59:52,082 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 2 states have internal predecessors, (66), 2 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 329 [2021-12-06 22:59:52,083 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 22:59:52,117 INFO L225 Difference]: With dead ends: 7739 [2021-12-06 22:59:52,117 INFO L226 Difference]: Without dead ends: 7736 [2021-12-06 22:59:52,121 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 328 GetRequests, 327 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 22:59:52,121 INFO L933 BasicCegarLoop]: 1904 mSDtfsCounter, 1471 mSDsluCounter, 332 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1471 SdHoareTripleChecker+Valid, 2236 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-06 22:59:52,121 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1471 Valid, 2236 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-06 22:59:52,128 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7736 states. [2021-12-06 22:59:52,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7736 to 7671. [2021-12-06 22:59:52,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7671 states, 5539 states have (on average 1.3627008485286152) internal successors, (7548), 5611 states have internal predecessors, (7548), 1686 states have call successors, (1686), 454 states have call predecessors, (1686), 445 states have return successors, (1685), 1652 states have call predecessors, (1685), 1685 states have call successors, (1685) [2021-12-06 22:59:52,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7671 states to 7671 states and 10919 transitions. [2021-12-06 22:59:52,397 INFO L78 Accepts]: Start accepts. Automaton has 7671 states and 10919 transitions. Word has length 329 [2021-12-06 22:59:52,398 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 22:59:52,398 INFO L470 AbstractCegarLoop]: Abstraction has 7671 states and 10919 transitions. [2021-12-06 22:59:52,398 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 2 states have internal predecessors, (66), 2 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2021-12-06 22:59:52,399 INFO L276 IsEmpty]: Start isEmpty. Operand 7671 states and 10919 transitions. [2021-12-06 22:59:52,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 339 [2021-12-06 22:59:52,402 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 22:59:52,402 INFO L514 BasicCegarLoop]: trace histogram [36, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 9, 9, 9, 9, 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] [2021-12-06 22:59:52,443 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0687c60f-dd5c-4443-9d57-78d3c929a1c6/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2021-12-06 22:59:52,602 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0687c60f-dd5c-4443-9d57-78d3c929a1c6/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-06 22:59:52,603 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 22:59:52,604 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:59:52,604 INFO L85 PathProgramCache]: Analyzing trace with hash -4915943, now seen corresponding path program 1 times [2021-12-06 22:59:52,606 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 22:59:52,606 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [585735476] [2021-12-06 22:59:52,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:59:52,606 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 22:59:52,606 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0687c60f-dd5c-4443-9d57-78d3c929a1c6/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 22:59:52,607 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0687c60f-dd5c-4443-9d57-78d3c929a1c6/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 22:59:52,608 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0687c60f-dd5c-4443-9d57-78d3c929a1c6/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2021-12-06 22:59:56,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:59:56,982 INFO L263 TraceCheckSpWp]: Trace formula consists of 2529 conjuncts, 5 conjunts are in the unsatisfiable core [2021-12-06 22:59:56,987 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 22:59:57,442 INFO L134 CoverageAnalysis]: Checked inductivity of 2061 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2061 trivial. 0 not checked. [2021-12-06 22:59:57,442 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 22:59:57,443 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-06 22:59:57,443 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [585735476] [2021-12-06 22:59:57,443 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [585735476] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:59:57,443 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 22:59:57,443 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-06 22:59:57,444 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [419459200] [2021-12-06 22:59:57,444 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:59:57,444 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-06 22:59:57,445 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-06 22:59:57,445 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-06 22:59:57,445 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-06 22:59:57,445 INFO L87 Difference]: Start difference. First operand 7671 states and 10919 transitions. Second operand has 5 states, 4 states have (on average 18.25) internal successors, (73), 4 states have internal predecessors, (73), 3 states have call successors, (28), 3 states have call predecessors, (28), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2021-12-06 22:59:57,829 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 22:59:57,829 INFO L93 Difference]: Finished difference Result 7746 states and 11025 transitions. [2021-12-06 22:59:57,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-06 22:59:57,830 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 18.25) internal successors, (73), 4 states have internal predecessors, (73), 3 states have call successors, (28), 3 states have call predecessors, (28), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) Word has length 338 [2021-12-06 22:59:57,831 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 22:59:57,853 INFO L225 Difference]: With dead ends: 7746 [2021-12-06 22:59:57,853 INFO L226 Difference]: Without dead ends: 7743 [2021-12-06 22:59:57,856 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 338 GetRequests, 334 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-06 22:59:57,856 INFO L933 BasicCegarLoop]: 1897 mSDtfsCounter, 11 mSDsluCounter, 5668 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 7565 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-12-06 22:59:57,857 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [13 Valid, 7565 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-12-06 22:59:57,870 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7743 states. [2021-12-06 22:59:58,027 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7743 to 7703. [2021-12-06 22:59:58,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7703 states, 5563 states have (on average 1.3611360776559411) internal successors, (7572), 5635 states have internal predecessors, (7572), 1686 states have call successors, (1686), 462 states have call predecessors, (1686), 453 states have return successors, (1685), 1652 states have call predecessors, (1685), 1685 states have call successors, (1685) [2021-12-06 22:59:58,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7703 states to 7703 states and 10943 transitions. [2021-12-06 22:59:58,058 INFO L78 Accepts]: Start accepts. Automaton has 7703 states and 10943 transitions. Word has length 338 [2021-12-06 22:59:58,058 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 22:59:58,058 INFO L470 AbstractCegarLoop]: Abstraction has 7703 states and 10943 transitions. [2021-12-06 22:59:58,059 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 18.25) internal successors, (73), 4 states have internal predecessors, (73), 3 states have call successors, (28), 3 states have call predecessors, (28), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2021-12-06 22:59:58,059 INFO L276 IsEmpty]: Start isEmpty. Operand 7703 states and 10943 transitions. [2021-12-06 22:59:58,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 366 [2021-12-06 22:59:58,067 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 22:59:58,067 INFO L514 BasicCegarLoop]: trace histogram [36, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 9, 9, 9, 9, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 22:59:58,119 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0687c60f-dd5c-4443-9d57-78d3c929a1c6/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2021-12-06 22:59:58,268 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0687c60f-dd5c-4443-9d57-78d3c929a1c6/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-06 22:59:58,268 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 22:59:58,268 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:59:58,269 INFO L85 PathProgramCache]: Analyzing trace with hash 897111777, now seen corresponding path program 1 times [2021-12-06 22:59:58,270 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 22:59:58,270 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [148733669] [2021-12-06 22:59:58,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:59:58,270 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 22:59:58,270 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0687c60f-dd5c-4443-9d57-78d3c929a1c6/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 22:59:58,271 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0687c60f-dd5c-4443-9d57-78d3c929a1c6/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 22:59:58,272 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0687c60f-dd5c-4443-9d57-78d3c929a1c6/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2021-12-06 23:00:02,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:00:02,934 INFO L263 TraceCheckSpWp]: Trace formula consists of 2783 conjuncts, 10 conjunts are in the unsatisfiable core [2021-12-06 23:00:02,942 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 23:00:03,780 INFO L134 CoverageAnalysis]: Checked inductivity of 2068 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2068 trivial. 0 not checked. [2021-12-06 23:00:03,780 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 23:00:03,780 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-06 23:00:03,780 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [148733669] [2021-12-06 23:00:03,780 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [148733669] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:00:03,781 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 23:00:03,781 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-06 23:00:03,781 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1394779293] [2021-12-06 23:00:03,781 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:00:03,782 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 23:00:03,782 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-06 23:00:03,782 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 23:00:03,782 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-06 23:00:03,783 INFO L87 Difference]: Start difference. First operand 7703 states and 10943 transitions. Second operand has 6 states, 5 states have (on average 16.8) internal successors, (84), 5 states have internal predecessors, (84), 3 states have call successors, (34), 2 states have call predecessors, (34), 3 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2021-12-06 23:00:05,382 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 23:00:05,382 INFO L93 Difference]: Finished difference Result 15353 states and 21922 transitions. [2021-12-06 23:00:05,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-06 23:00:05,384 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 16.8) internal successors, (84), 5 states have internal predecessors, (84), 3 states have call successors, (34), 2 states have call predecessors, (34), 3 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) Word has length 365 [2021-12-06 23:00:05,384 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 23:00:05,408 INFO L225 Difference]: With dead ends: 15353 [2021-12-06 23:00:05,408 INFO L226 Difference]: Without dead ends: 7703 [2021-12-06 23:00:05,432 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 365 GetRequests, 360 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-12-06 23:00:05,432 INFO L933 BasicCegarLoop]: 1865 mSDtfsCounter, 19 mSDsluCounter, 7409 mSDsCounter, 0 mSdLazyCounter, 115 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 9274 SdHoareTripleChecker+Invalid, 115 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 115 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2021-12-06 23:00:05,433 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [31 Valid, 9274 Invalid, 115 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 115 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2021-12-06 23:00:05,444 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7703 states. [2021-12-06 23:00:05,596 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7703 to 7703. [2021-12-06 23:00:05,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7703 states, 5563 states have (on average 1.3596980046737372) internal successors, (7564), 5635 states have internal predecessors, (7564), 1686 states have call successors, (1686), 462 states have call predecessors, (1686), 453 states have return successors, (1685), 1652 states have call predecessors, (1685), 1685 states have call successors, (1685) [2021-12-06 23:00:05,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7703 states to 7703 states and 10935 transitions. [2021-12-06 23:00:05,646 INFO L78 Accepts]: Start accepts. Automaton has 7703 states and 10935 transitions. Word has length 365 [2021-12-06 23:00:05,646 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 23:00:05,646 INFO L470 AbstractCegarLoop]: Abstraction has 7703 states and 10935 transitions. [2021-12-06 23:00:05,646 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 16.8) internal successors, (84), 5 states have internal predecessors, (84), 3 states have call successors, (34), 2 states have call predecessors, (34), 3 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2021-12-06 23:00:05,646 INFO L276 IsEmpty]: Start isEmpty. Operand 7703 states and 10935 transitions. [2021-12-06 23:00:05,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 366 [2021-12-06 23:00:05,651 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 23:00:05,652 INFO L514 BasicCegarLoop]: trace histogram [36, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 9, 9, 9, 9, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 23:00:05,707 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0687c60f-dd5c-4443-9d57-78d3c929a1c6/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (11)] Ended with exit code 0 [2021-12-06 23:00:05,852 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0687c60f-dd5c-4443-9d57-78d3c929a1c6/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-06 23:00:05,853 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 23:00:05,853 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:00:05,853 INFO L85 PathProgramCache]: Analyzing trace with hash -908326557, now seen corresponding path program 1 times [2021-12-06 23:00:05,855 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 23:00:05,855 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1001061414] [2021-12-06 23:00:05,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:00:05,855 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 23:00:05,855 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0687c60f-dd5c-4443-9d57-78d3c929a1c6/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 23:00:05,856 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0687c60f-dd5c-4443-9d57-78d3c929a1c6/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 23:00:05,856 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0687c60f-dd5c-4443-9d57-78d3c929a1c6/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2021-12-06 23:00:10,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:00:10,597 INFO L263 TraceCheckSpWp]: Trace formula consists of 2783 conjuncts, 5 conjunts are in the unsatisfiable core [2021-12-06 23:00:10,606 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 23:00:11,091 INFO L134 CoverageAnalysis]: Checked inductivity of 2068 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2068 trivial. 0 not checked. [2021-12-06 23:00:11,091 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 23:00:11,091 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-06 23:00:11,091 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1001061414] [2021-12-06 23:00:11,091 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1001061414] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:00:11,091 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 23:00:11,092 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-06 23:00:11,092 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [159118204] [2021-12-06 23:00:11,092 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:00:11,093 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-06 23:00:11,093 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-06 23:00:11,093 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-06 23:00:11,093 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-06 23:00:11,094 INFO L87 Difference]: Start difference. First operand 7703 states and 10935 transitions. Second operand has 5 states, 4 states have (on average 21.0) internal successors, (84), 4 states have internal predecessors, (84), 3 states have call successors, (34), 3 states have call predecessors, (34), 1 states have return successors, (30), 1 states have call predecessors, (30), 1 states have call successors, (30) [2021-12-06 23:00:11,508 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 23:00:11,508 INFO L93 Difference]: Finished difference Result 7754 states and 11007 transitions. [2021-12-06 23:00:11,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-06 23:00:11,509 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 21.0) internal successors, (84), 4 states have internal predecessors, (84), 3 states have call successors, (34), 3 states have call predecessors, (34), 1 states have return successors, (30), 1 states have call predecessors, (30), 1 states have call successors, (30) Word has length 365 [2021-12-06 23:00:11,510 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 23:00:11,531 INFO L225 Difference]: With dead ends: 7754 [2021-12-06 23:00:11,531 INFO L226 Difference]: Without dead ends: 7751 [2021-12-06 23:00:11,535 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 365 GetRequests, 361 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-06 23:00:11,535 INFO L933 BasicCegarLoop]: 1886 mSDtfsCounter, 13 mSDsluCounter, 5633 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 7519 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-12-06 23:00:11,536 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [16 Valid, 7519 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-12-06 23:00:11,543 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7751 states. [2021-12-06 23:00:11,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7751 to 7735. [2021-12-06 23:00:11,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7735 states, 5587 states have (on average 1.3581528548415966) internal successors, (7588), 5659 states have internal predecessors, (7588), 1686 states have call successors, (1686), 470 states have call predecessors, (1686), 461 states have return successors, (1685), 1652 states have call predecessors, (1685), 1685 states have call successors, (1685) [2021-12-06 23:00:11,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7735 states to 7735 states and 10959 transitions. [2021-12-06 23:00:11,750 INFO L78 Accepts]: Start accepts. Automaton has 7735 states and 10959 transitions. Word has length 365 [2021-12-06 23:00:11,751 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 23:00:11,751 INFO L470 AbstractCegarLoop]: Abstraction has 7735 states and 10959 transitions. [2021-12-06 23:00:11,751 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 21.0) internal successors, (84), 4 states have internal predecessors, (84), 3 states have call successors, (34), 3 states have call predecessors, (34), 1 states have return successors, (30), 1 states have call predecessors, (30), 1 states have call successors, (30) [2021-12-06 23:00:11,751 INFO L276 IsEmpty]: Start isEmpty. Operand 7735 states and 10959 transitions. [2021-12-06 23:00:11,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 378 [2021-12-06 23:00:11,761 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 23:00:11,761 INFO L514 BasicCegarLoop]: trace histogram [36, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 9, 9, 9, 9, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 23:00:11,816 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0687c60f-dd5c-4443-9d57-78d3c929a1c6/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (12)] Ended with exit code 0 [2021-12-06 23:00:11,961 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0687c60f-dd5c-4443-9d57-78d3c929a1c6/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-06 23:00:11,962 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 23:00:11,962 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:00:11,962 INFO L85 PathProgramCache]: Analyzing trace with hash 2084336070, now seen corresponding path program 1 times [2021-12-06 23:00:11,964 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 23:00:11,964 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1087562068] [2021-12-06 23:00:11,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:00:11,964 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 23:00:11,964 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0687c60f-dd5c-4443-9d57-78d3c929a1c6/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 23:00:11,965 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0687c60f-dd5c-4443-9d57-78d3c929a1c6/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 23:00:11,965 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0687c60f-dd5c-4443-9d57-78d3c929a1c6/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2021-12-06 23:00:16,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:00:16,675 INFO L263 TraceCheckSpWp]: Trace formula consists of 2753 conjuncts, 10 conjunts are in the unsatisfiable core [2021-12-06 23:00:16,685 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 23:00:17,699 INFO L134 CoverageAnalysis]: Checked inductivity of 2061 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2061 trivial. 0 not checked. [2021-12-06 23:00:17,700 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 23:00:17,700 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-06 23:00:17,700 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1087562068] [2021-12-06 23:00:17,700 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1087562068] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:00:17,700 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 23:00:17,701 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-06 23:00:17,701 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [485458226] [2021-12-06 23:00:17,701 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:00:17,702 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 23:00:17,702 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-06 23:00:17,702 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 23:00:17,702 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-06 23:00:17,703 INFO L87 Difference]: Start difference. First operand 7735 states and 10959 transitions. Second operand has 6 states, 5 states have (on average 21.0) internal successors, (105), 5 states have internal predecessors, (105), 3 states have call successors, (32), 2 states have call predecessors, (32), 3 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2021-12-06 23:00:19,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 23:00:19,371 INFO L93 Difference]: Finished difference Result 15417 states and 21896 transitions. [2021-12-06 23:00:19,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-06 23:00:19,372 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 21.0) internal successors, (105), 5 states have internal predecessors, (105), 3 states have call successors, (32), 2 states have call predecessors, (32), 3 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) Word has length 377 [2021-12-06 23:00:19,373 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 23:00:19,401 INFO L225 Difference]: With dead ends: 15417 [2021-12-06 23:00:19,401 INFO L226 Difference]: Without dead ends: 7735 [2021-12-06 23:00:19,418 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 377 GetRequests, 372 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-12-06 23:00:19,418 INFO L933 BasicCegarLoop]: 1864 mSDtfsCounter, 35 mSDsluCounter, 7387 mSDsCounter, 0 mSdLazyCounter, 115 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 9251 SdHoareTripleChecker+Invalid, 115 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 115 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2021-12-06 23:00:19,419 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [49 Valid, 9251 Invalid, 115 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 115 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2021-12-06 23:00:19,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7735 states. [2021-12-06 23:00:19,589 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7735 to 7735. [2021-12-06 23:00:19,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7735 states, 5587 states have (on average 1.356720959369966) internal successors, (7580), 5659 states have internal predecessors, (7580), 1686 states have call successors, (1686), 470 states have call predecessors, (1686), 461 states have return successors, (1685), 1652 states have call predecessors, (1685), 1685 states have call successors, (1685) [2021-12-06 23:00:19,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7735 states to 7735 states and 10951 transitions. [2021-12-06 23:00:19,618 INFO L78 Accepts]: Start accepts. Automaton has 7735 states and 10951 transitions. Word has length 377 [2021-12-06 23:00:19,619 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 23:00:19,619 INFO L470 AbstractCegarLoop]: Abstraction has 7735 states and 10951 transitions. [2021-12-06 23:00:19,619 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 21.0) internal successors, (105), 5 states have internal predecessors, (105), 3 states have call successors, (32), 2 states have call predecessors, (32), 3 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2021-12-06 23:00:19,619 INFO L276 IsEmpty]: Start isEmpty. Operand 7735 states and 10951 transitions. [2021-12-06 23:00:19,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 378 [2021-12-06 23:00:19,628 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 23:00:19,629 INFO L514 BasicCegarLoop]: trace histogram [36, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 9, 9, 9, 9, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 23:00:19,676 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0687c60f-dd5c-4443-9d57-78d3c929a1c6/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (13)] Ended with exit code 0 [2021-12-06 23:00:19,829 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0687c60f-dd5c-4443-9d57-78d3c929a1c6/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-06 23:00:19,830 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 23:00:19,830 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:00:19,831 INFO L85 PathProgramCache]: Analyzing trace with hash -1935871612, now seen corresponding path program 1 times [2021-12-06 23:00:19,832 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 23:00:19,833 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1081565325] [2021-12-06 23:00:19,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:00:19,833 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 23:00:19,833 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0687c60f-dd5c-4443-9d57-78d3c929a1c6/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 23:00:19,834 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0687c60f-dd5c-4443-9d57-78d3c929a1c6/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 23:00:19,835 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0687c60f-dd5c-4443-9d57-78d3c929a1c6/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2021-12-06 23:00:24,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:00:24,667 INFO L263 TraceCheckSpWp]: Trace formula consists of 2753 conjuncts, 3 conjunts are in the unsatisfiable core [2021-12-06 23:00:24,672 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 23:00:25,504 INFO L134 CoverageAnalysis]: Checked inductivity of 2061 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2061 trivial. 0 not checked. [2021-12-06 23:00:25,504 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 23:00:25,504 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-06 23:00:25,505 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1081565325] [2021-12-06 23:00:25,505 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1081565325] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:00:25,505 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 23:00:25,505 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-06 23:00:25,505 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [372383228] [2021-12-06 23:00:25,505 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:00:25,506 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-06 23:00:25,506 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-06 23:00:25,506 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-06 23:00:25,506 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-06 23:00:25,506 INFO L87 Difference]: Start difference. First operand 7735 states and 10951 transitions. Second operand has 4 states, 4 states have (on average 26.25) internal successors, (105), 3 states have internal predecessors, (105), 3 states have call successors, (32), 3 states have call predecessors, (32), 2 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2021-12-06 23:00:25,936 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 23:00:25,936 INFO L93 Difference]: Finished difference Result 15642 states and 22209 transitions. [2021-12-06 23:00:25,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-06 23:00:25,938 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 26.25) internal successors, (105), 3 states have internal predecessors, (105), 3 states have call successors, (32), 3 states have call predecessors, (32), 2 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) Word has length 377 [2021-12-06 23:00:25,938 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 23:00:25,958 INFO L225 Difference]: With dead ends: 15642 [2021-12-06 23:00:25,958 INFO L226 Difference]: Without dead ends: 7960 [2021-12-06 23:00:25,974 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 377 GetRequests, 374 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-06 23:00:25,975 INFO L933 BasicCegarLoop]: 1896 mSDtfsCounter, 36 mSDsluCounter, 3771 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 5667 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-12-06 23:00:25,975 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [49 Valid, 5667 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-12-06 23:00:25,982 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7960 states. [2021-12-06 23:00:26,146 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7960 to 7960. [2021-12-06 23:00:26,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7960 states, 5732 states have (on average 1.354152128401954) internal successors, (7762), 5814 states have internal predecessors, (7762), 1761 states have call successors, (1761), 475 states have call predecessors, (1761), 466 states have return successors, (1760), 1727 states have call predecessors, (1760), 1760 states have call successors, (1760) [2021-12-06 23:00:26,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7960 states to 7960 states and 11283 transitions. [2021-12-06 23:00:26,171 INFO L78 Accepts]: Start accepts. Automaton has 7960 states and 11283 transitions. Word has length 377 [2021-12-06 23:00:26,172 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 23:00:26,172 INFO L470 AbstractCegarLoop]: Abstraction has 7960 states and 11283 transitions. [2021-12-06 23:00:26,172 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 26.25) internal successors, (105), 3 states have internal predecessors, (105), 3 states have call successors, (32), 3 states have call predecessors, (32), 2 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2021-12-06 23:00:26,172 INFO L276 IsEmpty]: Start isEmpty. Operand 7960 states and 11283 transitions. [2021-12-06 23:00:26,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 378 [2021-12-06 23:00:26,180 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 23:00:26,180 INFO L514 BasicCegarLoop]: trace histogram [36, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 9, 9, 9, 9, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 23:00:26,235 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0687c60f-dd5c-4443-9d57-78d3c929a1c6/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (14)] Ended with exit code 0 [2021-12-06 23:00:26,381 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0687c60f-dd5c-4443-9d57-78d3c929a1c6/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-06 23:00:26,381 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 23:00:26,382 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:00:26,382 INFO L85 PathProgramCache]: Analyzing trace with hash -1234271738, now seen corresponding path program 1 times [2021-12-06 23:00:26,383 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 23:00:26,383 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [107172583] [2021-12-06 23:00:26,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:00:26,384 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 23:00:26,384 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0687c60f-dd5c-4443-9d57-78d3c929a1c6/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 23:00:26,384 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0687c60f-dd5c-4443-9d57-78d3c929a1c6/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 23:00:26,385 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0687c60f-dd5c-4443-9d57-78d3c929a1c6/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (15)] Waiting until timeout for monitored process [2021-12-06 23:00:30,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:00:31,101 INFO L263 TraceCheckSpWp]: Trace formula consists of 2753 conjuncts, 6 conjunts are in the unsatisfiable core [2021-12-06 23:00:31,106 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 23:00:32,308 INFO L134 CoverageAnalysis]: Checked inductivity of 2061 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2061 trivial. 0 not checked. [2021-12-06 23:00:32,309 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 23:00:32,309 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-06 23:00:32,309 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [107172583] [2021-12-06 23:00:32,309 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [107172583] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:00:32,309 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 23:00:32,310 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-06 23:00:32,310 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1937850189] [2021-12-06 23:00:32,310 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:00:32,311 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-06 23:00:32,311 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-06 23:00:32,311 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-06 23:00:32,311 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-12-06 23:00:32,311 INFO L87 Difference]: Start difference. First operand 7960 states and 11283 transitions. Second operand has 7 states, 7 states have (on average 15.0) internal successors, (105), 6 states have internal predecessors, (105), 3 states have call successors, (32), 3 states have call predecessors, (32), 2 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2021-12-06 23:00:35,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 23:00:35,393 INFO L93 Difference]: Finished difference Result 16875 states and 24085 transitions. [2021-12-06 23:00:35,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-12-06 23:00:35,394 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 15.0) internal successors, (105), 6 states have internal predecessors, (105), 3 states have call successors, (32), 3 states have call predecessors, (32), 2 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) Word has length 377 [2021-12-06 23:00:35,394 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 23:00:35,413 INFO L225 Difference]: With dead ends: 16875 [2021-12-06 23:00:35,413 INFO L226 Difference]: Without dead ends: 8968 [2021-12-06 23:00:35,428 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 384 GetRequests, 371 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=71, Invalid=139, Unknown=0, NotChecked=0, Total=210 [2021-12-06 23:00:35,428 INFO L933 BasicCegarLoop]: 1952 mSDtfsCounter, 260 mSDsluCounter, 9585 mSDsCounter, 0 mSdLazyCounter, 80 mSolverCounterSat, 131 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 272 SdHoareTripleChecker+Valid, 11537 SdHoareTripleChecker+Invalid, 211 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 131 IncrementalHoareTripleChecker+Valid, 80 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2021-12-06 23:00:35,429 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [272 Valid, 11537 Invalid, 211 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [131 Valid, 80 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2021-12-06 23:00:35,435 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8968 states. [2021-12-06 23:00:35,595 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8968 to 8232. [2021-12-06 23:00:35,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8232 states, 5916 states have (on average 1.352603110209601) internal successors, (8002), 6006 states have internal predecessors, (8002), 1849 states have call successors, (1849), 475 states have call predecessors, (1849), 466 states have return successors, (1848), 1815 states have call predecessors, (1848), 1848 states have call successors, (1848) [2021-12-06 23:00:35,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8232 states to 8232 states and 11699 transitions. [2021-12-06 23:00:35,622 INFO L78 Accepts]: Start accepts. Automaton has 8232 states and 11699 transitions. Word has length 377 [2021-12-06 23:00:35,622 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 23:00:35,622 INFO L470 AbstractCegarLoop]: Abstraction has 8232 states and 11699 transitions. [2021-12-06 23:00:35,623 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 15.0) internal successors, (105), 6 states have internal predecessors, (105), 3 states have call successors, (32), 3 states have call predecessors, (32), 2 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2021-12-06 23:00:35,623 INFO L276 IsEmpty]: Start isEmpty. Operand 8232 states and 11699 transitions. [2021-12-06 23:00:35,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 378 [2021-12-06 23:00:35,630 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 23:00:35,631 INFO L514 BasicCegarLoop]: trace histogram [36, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 9, 9, 9, 9, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 23:00:35,687 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0687c60f-dd5c-4443-9d57-78d3c929a1c6/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (15)] Forceful destruction successful, exit code 0 [2021-12-06 23:00:35,831 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0687c60f-dd5c-4443-9d57-78d3c929a1c6/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-06 23:00:35,832 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 23:00:35,832 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:00:35,833 INFO L85 PathProgramCache]: Analyzing trace with hash -811569912, now seen corresponding path program 1 times [2021-12-06 23:00:35,835 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 23:00:35,835 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [974871633] [2021-12-06 23:00:35,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:00:35,836 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 23:00:35,836 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0687c60f-dd5c-4443-9d57-78d3c929a1c6/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 23:00:35,837 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0687c60f-dd5c-4443-9d57-78d3c929a1c6/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 23:00:35,838 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0687c60f-dd5c-4443-9d57-78d3c929a1c6/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (16)] Waiting until timeout for monitored process [2021-12-06 23:00:40,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:00:40,621 INFO L263 TraceCheckSpWp]: Trace formula consists of 2752 conjuncts, 8 conjunts are in the unsatisfiable core [2021-12-06 23:00:40,626 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 23:00:42,200 INFO L134 CoverageAnalysis]: Checked inductivity of 2061 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2061 trivial. 0 not checked. [2021-12-06 23:00:42,200 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 23:00:42,200 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-06 23:00:42,200 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [974871633] [2021-12-06 23:00:42,201 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [974871633] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:00:42,201 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 23:00:42,201 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-12-06 23:00:42,201 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1062985721] [2021-12-06 23:00:42,201 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:00:42,202 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-06 23:00:42,203 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-06 23:00:42,203 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-06 23:00:42,203 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-12-06 23:00:42,203 INFO L87 Difference]: Start difference. First operand 8232 states and 11699 transitions. Second operand has 9 states, 9 states have (on average 11.666666666666666) internal successors, (105), 8 states have internal predecessors, (105), 4 states have call successors, (32), 3 states have call predecessors, (32), 2 states have return successors, (28), 4 states have call predecessors, (28), 3 states have call successors, (28) [2021-12-06 23:00:45,443 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 23:00:51,249 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 23:00:51,250 INFO L93 Difference]: Finished difference Result 17179 states and 24859 transitions. [2021-12-06 23:00:51,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-12-06 23:00:51,251 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 11.666666666666666) internal successors, (105), 8 states have internal predecessors, (105), 4 states have call successors, (32), 3 states have call predecessors, (32), 2 states have return successors, (28), 4 states have call predecessors, (28), 3 states have call successors, (28) Word has length 377 [2021-12-06 23:00:51,252 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 23:00:51,287 INFO L225 Difference]: With dead ends: 17179 [2021-12-06 23:00:51,287 INFO L226 Difference]: Without dead ends: 9000 [2021-12-06 23:00:51,309 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 385 GetRequests, 369 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=79, Invalid=227, Unknown=0, NotChecked=0, Total=306 [2021-12-06 23:00:51,309 INFO L933 BasicCegarLoop]: 1963 mSDtfsCounter, 207 mSDsluCounter, 13500 mSDsCounter, 0 mSdLazyCounter, 280 mSolverCounterSat, 143 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 222 SdHoareTripleChecker+Valid, 15463 SdHoareTripleChecker+Invalid, 424 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 143 IncrementalHoareTripleChecker+Valid, 280 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.3s IncrementalHoareTripleChecker+Time [2021-12-06 23:00:51,309 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [222 Valid, 15463 Invalid, 424 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [143 Valid, 280 Invalid, 1 Unknown, 0 Unchecked, 7.3s Time] [2021-12-06 23:00:51,316 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9000 states. [2021-12-06 23:00:51,546 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9000 to 8352. [2021-12-06 23:00:51,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8352 states, 5980 states have (on average 1.351505016722408) internal successors, (8082), 6094 states have internal predecessors, (8082), 1897 states have call successors, (1897), 475 states have call predecessors, (1897), 474 states have return successors, (1996), 1847 states have call predecessors, (1996), 1896 states have call successors, (1996) [2021-12-06 23:00:51,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8352 states to 8352 states and 11975 transitions. [2021-12-06 23:00:51,581 INFO L78 Accepts]: Start accepts. Automaton has 8352 states and 11975 transitions. Word has length 377 [2021-12-06 23:00:51,582 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 23:00:51,582 INFO L470 AbstractCegarLoop]: Abstraction has 8352 states and 11975 transitions. [2021-12-06 23:00:51,582 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 11.666666666666666) internal successors, (105), 8 states have internal predecessors, (105), 4 states have call successors, (32), 3 states have call predecessors, (32), 2 states have return successors, (28), 4 states have call predecessors, (28), 3 states have call successors, (28) [2021-12-06 23:00:51,582 INFO L276 IsEmpty]: Start isEmpty. Operand 8352 states and 11975 transitions. [2021-12-06 23:00:51,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 378 [2021-12-06 23:00:51,591 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 23:00:51,591 INFO L514 BasicCegarLoop]: trace histogram [36, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 9, 9, 9, 9, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 23:00:51,638 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0687c60f-dd5c-4443-9d57-78d3c929a1c6/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (16)] Ended with exit code 0 [2021-12-06 23:00:51,791 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0687c60f-dd5c-4443-9d57-78d3c929a1c6/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-06 23:00:51,792 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 23:00:51,792 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:00:51,792 INFO L85 PathProgramCache]: Analyzing trace with hash 1255257224, now seen corresponding path program 1 times [2021-12-06 23:00:51,794 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 23:00:51,794 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1653084979] [2021-12-06 23:00:51,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:00:51,794 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 23:00:51,794 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0687c60f-dd5c-4443-9d57-78d3c929a1c6/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 23:00:51,795 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0687c60f-dd5c-4443-9d57-78d3c929a1c6/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 23:00:51,795 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0687c60f-dd5c-4443-9d57-78d3c929a1c6/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (17)] Waiting until timeout for monitored process [2021-12-06 23:00:56,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:00:56,508 INFO L263 TraceCheckSpWp]: Trace formula consists of 2753 conjuncts, 5 conjunts are in the unsatisfiable core [2021-12-06 23:00:56,512 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 23:00:56,974 INFO L134 CoverageAnalysis]: Checked inductivity of 2061 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2061 trivial. 0 not checked. [2021-12-06 23:00:56,974 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 23:00:56,974 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-06 23:00:56,975 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1653084979] [2021-12-06 23:00:56,975 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1653084979] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:00:56,975 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 23:00:56,975 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-06 23:00:56,975 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [582187622] [2021-12-06 23:00:56,975 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:00:56,976 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-06 23:00:56,976 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-06 23:00:56,976 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-06 23:00:56,976 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-06 23:00:56,976 INFO L87 Difference]: Start difference. First operand 8352 states and 11975 transitions. Second operand has 5 states, 4 states have (on average 26.25) internal successors, (105), 4 states have internal predecessors, (105), 3 states have call successors, (32), 3 states have call predecessors, (32), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2021-12-06 23:00:57,461 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 23:00:57,461 INFO L93 Difference]: Finished difference Result 8920 states and 12879 transitions. [2021-12-06 23:00:57,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-06 23:00:57,462 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 26.25) internal successors, (105), 4 states have internal predecessors, (105), 3 states have call successors, (32), 3 states have call predecessors, (32), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) Word has length 377 [2021-12-06 23:00:57,462 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 23:00:57,485 INFO L225 Difference]: With dead ends: 8920 [2021-12-06 23:00:57,485 INFO L226 Difference]: Without dead ends: 8917 [2021-12-06 23:00:57,488 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 377 GetRequests, 373 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-06 23:00:57,489 INFO L933 BasicCegarLoop]: 1936 mSDtfsCounter, 36 mSDsluCounter, 5749 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 7685 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-12-06 23:00:57,489 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [48 Valid, 7685 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-12-06 23:00:57,495 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8917 states. [2021-12-06 23:00:57,698 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8917 to 8384. [2021-12-06 23:00:57,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8384 states, 6004 states have (on average 1.3500999333777481) internal successors, (8106), 6118 states have internal predecessors, (8106), 1897 states have call successors, (1897), 483 states have call predecessors, (1897), 482 states have return successors, (1996), 1847 states have call predecessors, (1996), 1896 states have call successors, (1996) [2021-12-06 23:00:57,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8384 states to 8384 states and 11999 transitions. [2021-12-06 23:00:57,728 INFO L78 Accepts]: Start accepts. Automaton has 8384 states and 11999 transitions. Word has length 377 [2021-12-06 23:00:57,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 23:00:57,728 INFO L470 AbstractCegarLoop]: Abstraction has 8384 states and 11999 transitions. [2021-12-06 23:00:57,728 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 26.25) internal successors, (105), 4 states have internal predecessors, (105), 3 states have call successors, (32), 3 states have call predecessors, (32), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2021-12-06 23:00:57,728 INFO L276 IsEmpty]: Start isEmpty. Operand 8384 states and 11999 transitions. [2021-12-06 23:00:57,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 385 [2021-12-06 23:00:57,737 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 23:00:57,737 INFO L514 BasicCegarLoop]: trace histogram [36, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 9, 9, 9, 9, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 23:00:57,783 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0687c60f-dd5c-4443-9d57-78d3c929a1c6/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (17)] Ended with exit code 0 [2021-12-06 23:00:57,938 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0687c60f-dd5c-4443-9d57-78d3c929a1c6/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-06 23:00:57,940 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 23:00:57,940 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:00:57,941 INFO L85 PathProgramCache]: Analyzing trace with hash -1033124954, now seen corresponding path program 1 times [2021-12-06 23:00:57,947 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 23:00:57,947 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [350070079] [2021-12-06 23:00:57,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:00:57,948 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 23:00:57,949 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0687c60f-dd5c-4443-9d57-78d3c929a1c6/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 23:00:57,951 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0687c60f-dd5c-4443-9d57-78d3c929a1c6/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 23:00:57,953 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0687c60f-dd5c-4443-9d57-78d3c929a1c6/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (18)] Waiting until timeout for monitored process [2021-12-06 23:01:03,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:01:03,339 INFO L263 TraceCheckSpWp]: Trace formula consists of 2776 conjuncts, 5 conjunts are in the unsatisfiable core [2021-12-06 23:01:03,344 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 23:01:03,792 INFO L134 CoverageAnalysis]: Checked inductivity of 2070 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2070 trivial. 0 not checked. [2021-12-06 23:01:03,792 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 23:01:03,792 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-06 23:01:03,792 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [350070079] [2021-12-06 23:01:03,792 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [350070079] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:01:03,792 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 23:01:03,793 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-06 23:01:03,793 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1126312857] [2021-12-06 23:01:03,793 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:01:03,794 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-06 23:01:03,794 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-06 23:01:03,794 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-06 23:01:03,794 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-06 23:01:03,794 INFO L87 Difference]: Start difference. First operand 8384 states and 11999 transitions. Second operand has 5 states, 4 states have (on average 25.5) internal successors, (102), 4 states have internal predecessors, (102), 3 states have call successors, (33), 3 states have call predecessors, (33), 1 states have return successors, (30), 1 states have call predecessors, (30), 1 states have call successors, (30) [2021-12-06 23:01:04,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 23:01:04,242 INFO L93 Difference]: Finished difference Result 8435 states and 12065 transitions. [2021-12-06 23:01:04,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-06 23:01:04,242 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 25.5) internal successors, (102), 4 states have internal predecessors, (102), 3 states have call successors, (33), 3 states have call predecessors, (33), 1 states have return successors, (30), 1 states have call predecessors, (30), 1 states have call successors, (30) Word has length 384 [2021-12-06 23:01:04,243 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 23:01:04,268 INFO L225 Difference]: With dead ends: 8435 [2021-12-06 23:01:04,268 INFO L226 Difference]: Without dead ends: 8432 [2021-12-06 23:01:04,272 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 384 GetRequests, 380 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-06 23:01:04,272 INFO L933 BasicCegarLoop]: 1893 mSDtfsCounter, 19 mSDsluCounter, 5647 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 7540 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-12-06 23:01:04,273 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [22 Valid, 7540 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-12-06 23:01:04,279 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8432 states. [2021-12-06 23:01:04,482 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8432 to 8416. [2021-12-06 23:01:04,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8416 states, 6028 states have (on average 1.3487060384870604) internal successors, (8130), 6142 states have internal predecessors, (8130), 1897 states have call successors, (1897), 491 states have call predecessors, (1897), 490 states have return successors, (1996), 1847 states have call predecessors, (1996), 1896 states have call successors, (1996) [2021-12-06 23:01:04,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8416 states to 8416 states and 12023 transitions. [2021-12-06 23:01:04,509 INFO L78 Accepts]: Start accepts. Automaton has 8416 states and 12023 transitions. Word has length 384 [2021-12-06 23:01:04,510 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 23:01:04,510 INFO L470 AbstractCegarLoop]: Abstraction has 8416 states and 12023 transitions. [2021-12-06 23:01:04,510 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 25.5) internal successors, (102), 4 states have internal predecessors, (102), 3 states have call successors, (33), 3 states have call predecessors, (33), 1 states have return successors, (30), 1 states have call predecessors, (30), 1 states have call successors, (30) [2021-12-06 23:01:04,510 INFO L276 IsEmpty]: Start isEmpty. Operand 8416 states and 12023 transitions. [2021-12-06 23:01:04,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 398 [2021-12-06 23:01:04,523 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 23:01:04,523 INFO L514 BasicCegarLoop]: trace histogram [36, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 9, 9, 9, 9, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 23:01:04,569 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0687c60f-dd5c-4443-9d57-78d3c929a1c6/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (18)] Forceful destruction successful, exit code 0 [2021-12-06 23:01:04,723 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0687c60f-dd5c-4443-9d57-78d3c929a1c6/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-06 23:01:04,724 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 23:01:04,724 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:01:04,724 INFO L85 PathProgramCache]: Analyzing trace with hash -392821328, now seen corresponding path program 1 times [2021-12-06 23:01:04,725 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 23:01:04,726 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2141899225] [2021-12-06 23:01:04,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:01:04,726 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 23:01:04,726 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0687c60f-dd5c-4443-9d57-78d3c929a1c6/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 23:01:04,726 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0687c60f-dd5c-4443-9d57-78d3c929a1c6/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 23:01:04,727 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0687c60f-dd5c-4443-9d57-78d3c929a1c6/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (19)] Waiting until timeout for monitored process [2021-12-06 23:01:09,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:01:09,305 INFO L263 TraceCheckSpWp]: Trace formula consists of 2805 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-06 23:01:09,309 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 23:01:10,417 INFO L134 CoverageAnalysis]: Checked inductivity of 2076 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 2061 trivial. 0 not checked. [2021-12-06 23:01:10,417 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 23:01:10,418 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-06 23:01:10,418 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2141899225] [2021-12-06 23:01:10,418 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2141899225] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:01:10,418 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 23:01:10,418 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 23:01:10,418 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1233695321] [2021-12-06 23:01:10,418 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:01:10,419 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 23:01:10,419 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-06 23:01:10,419 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 23:01:10,420 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 23:01:10,420 INFO L87 Difference]: Start difference. First operand 8416 states and 12023 transitions. Second operand has 3 states, 3 states have (on average 41.333333333333336) internal successors, (124), 3 states have internal predecessors, (124), 2 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2021-12-06 23:01:12,544 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 23:01:15,369 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 23:01:15,369 INFO L93 Difference]: Finished difference Result 19480 states and 27908 transitions. [2021-12-06 23:01:15,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 23:01:15,370 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 41.333333333333336) internal successors, (124), 3 states have internal predecessors, (124), 2 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) Word has length 397 [2021-12-06 23:01:15,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 23:01:15,403 INFO L225 Difference]: With dead ends: 19480 [2021-12-06 23:01:15,403 INFO L226 Difference]: Without dead ends: 11117 [2021-12-06 23:01:15,421 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 396 GetRequests, 395 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 23:01:15,421 INFO L933 BasicCegarLoop]: 3337 mSDtfsCounter, 1602 mSDsluCounter, 1692 mSDsCounter, 0 mSdLazyCounter, 191 mSolverCounterSat, 79 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1602 SdHoareTripleChecker+Valid, 5029 SdHoareTripleChecker+Invalid, 271 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 79 IncrementalHoareTripleChecker+Valid, 191 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2021-12-06 23:01:15,422 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1602 Valid, 5029 Invalid, 271 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [79 Valid, 191 Invalid, 1 Unknown, 0 Unchecked, 4.6s Time] [2021-12-06 23:01:15,430 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11117 states. [2021-12-06 23:01:15,695 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11117 to 11104. [2021-12-06 23:01:15,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11104 states, 8004 states have (on average 1.343703148425787) internal successors, (10755), 8153 states have internal predecessors, (10755), 2444 states have call successors, (2444), 656 states have call predecessors, (2444), 655 states have return successors, (2577), 2379 states have call predecessors, (2577), 2443 states have call successors, (2577) [2021-12-06 23:01:15,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11104 states to 11104 states and 15776 transitions. [2021-12-06 23:01:15,727 INFO L78 Accepts]: Start accepts. Automaton has 11104 states and 15776 transitions. Word has length 397 [2021-12-06 23:01:15,727 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 23:01:15,727 INFO L470 AbstractCegarLoop]: Abstraction has 11104 states and 15776 transitions. [2021-12-06 23:01:15,727 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 41.333333333333336) internal successors, (124), 3 states have internal predecessors, (124), 2 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2021-12-06 23:01:15,727 INFO L276 IsEmpty]: Start isEmpty. Operand 11104 states and 15776 transitions. [2021-12-06 23:01:15,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 399 [2021-12-06 23:01:15,738 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 23:01:15,738 INFO L514 BasicCegarLoop]: trace histogram [36, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 9, 9, 9, 9, 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, 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 23:01:15,782 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0687c60f-dd5c-4443-9d57-78d3c929a1c6/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (19)] Ended with exit code 0 [2021-12-06 23:01:15,939 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0687c60f-dd5c-4443-9d57-78d3c929a1c6/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-06 23:01:15,940 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 23:01:15,941 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:01:15,942 INFO L85 PathProgramCache]: Analyzing trace with hash -542352268, now seen corresponding path program 1 times [2021-12-06 23:01:15,947 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 23:01:15,948 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [868574393] [2021-12-06 23:01:15,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:01:15,949 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 23:01:15,949 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0687c60f-dd5c-4443-9d57-78d3c929a1c6/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 23:01:15,951 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0687c60f-dd5c-4443-9d57-78d3c929a1c6/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 23:01:15,955 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0687c60f-dd5c-4443-9d57-78d3c929a1c6/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (20)] Waiting until timeout for monitored process [2021-12-06 23:01:21,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:01:21,165 INFO L263 TraceCheckSpWp]: Trace formula consists of 2807 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-06 23:01:21,169 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 23:01:22,305 INFO L134 CoverageAnalysis]: Checked inductivity of 2077 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 2061 trivial. 0 not checked. [2021-12-06 23:01:22,306 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 23:01:22,306 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-06 23:01:22,306 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [868574393] [2021-12-06 23:01:22,306 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [868574393] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:01:22,306 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 23:01:22,306 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 23:01:22,306 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1250596311] [2021-12-06 23:01:22,307 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:01:22,307 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 23:01:22,307 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-06 23:01:22,308 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 23:01:22,308 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 23:01:22,308 INFO L87 Difference]: Start difference. First operand 11104 states and 15776 transitions. Second operand has 3 states, 3 states have (on average 41.666666666666664) internal successors, (125), 3 states have internal predecessors, (125), 2 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2021-12-06 23:01:24,442 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 23:01:27,542 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 23:01:27,542 INFO L93 Difference]: Finished difference Result 25649 states and 36544 transitions. [2021-12-06 23:01:27,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 23:01:27,543 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 41.666666666666664) internal successors, (125), 3 states have internal predecessors, (125), 2 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) Word has length 398 [2021-12-06 23:01:27,544 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 23:01:27,585 INFO L225 Difference]: With dead ends: 25649 [2021-12-06 23:01:27,585 INFO L226 Difference]: Without dead ends: 14598 [2021-12-06 23:01:27,607 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 397 GetRequests, 396 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 23:01:27,608 INFO L933 BasicCegarLoop]: 3286 mSDtfsCounter, 1608 mSDsluCounter, 1678 mSDsCounter, 0 mSdLazyCounter, 205 mSolverCounterSat, 85 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1608 SdHoareTripleChecker+Valid, 4964 SdHoareTripleChecker+Invalid, 291 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 85 IncrementalHoareTripleChecker+Valid, 205 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2021-12-06 23:01:27,608 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1608 Valid, 4964 Invalid, 291 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [85 Valid, 205 Invalid, 1 Unknown, 0 Unchecked, 4.9s Time] [2021-12-06 23:01:27,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14598 states. [2021-12-06 23:01:27,936 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14598 to 14578. [2021-12-06 23:01:27,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14578 states, 10578 states have (on average 1.3377765173000566) internal successors, (14151), 10772 states have internal predecessors, (14151), 3127 states have call successors, (3127), 873 states have call predecessors, (3127), 872 states have return successors, (3304), 3042 states have call predecessors, (3304), 3126 states have call successors, (3304) [2021-12-06 23:01:27,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14578 states to 14578 states and 20582 transitions. [2021-12-06 23:01:27,984 INFO L78 Accepts]: Start accepts. Automaton has 14578 states and 20582 transitions. Word has length 398 [2021-12-06 23:01:27,984 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 23:01:27,984 INFO L470 AbstractCegarLoop]: Abstraction has 14578 states and 20582 transitions. [2021-12-06 23:01:27,984 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 41.666666666666664) internal successors, (125), 3 states have internal predecessors, (125), 2 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2021-12-06 23:01:27,984 INFO L276 IsEmpty]: Start isEmpty. Operand 14578 states and 20582 transitions. [2021-12-06 23:01:28,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 404 [2021-12-06 23:01:28,019 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 23:01:28,020 INFO L514 BasicCegarLoop]: trace histogram [36, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 9, 9, 9, 9, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 23:01:28,061 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0687c60f-dd5c-4443-9d57-78d3c929a1c6/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (20)] Forceful destruction successful, exit code 0 [2021-12-06 23:01:28,220 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0687c60f-dd5c-4443-9d57-78d3c929a1c6/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-06 23:01:28,222 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 23:01:28,222 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:01:28,223 INFO L85 PathProgramCache]: Analyzing trace with hash 2135155597, now seen corresponding path program 1 times [2021-12-06 23:01:28,229 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 23:01:28,229 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [293271726] [2021-12-06 23:01:28,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:01:28,230 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 23:01:28,230 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0687c60f-dd5c-4443-9d57-78d3c929a1c6/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 23:01:28,232 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0687c60f-dd5c-4443-9d57-78d3c929a1c6/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 23:01:28,235 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0687c60f-dd5c-4443-9d57-78d3c929a1c6/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (21)] Waiting until timeout for monitored process [2021-12-06 23:01:33,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:01:33,700 INFO L263 TraceCheckSpWp]: Trace formula consists of 2889 conjuncts, 10 conjunts are in the unsatisfiable core [2021-12-06 23:01:33,707 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 23:01:35,199 INFO L134 CoverageAnalysis]: Checked inductivity of 2071 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 2064 trivial. 0 not checked. [2021-12-06 23:01:35,199 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 23:01:35,200 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-06 23:01:35,200 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [293271726] [2021-12-06 23:01:35,200 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [293271726] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:01:35,200 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 23:01:35,200 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-06 23:01:35,200 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [100256090] [2021-12-06 23:01:35,200 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:01:35,201 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 23:01:35,201 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-06 23:01:35,202 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 23:01:35,202 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-06 23:01:35,202 INFO L87 Difference]: Start difference. First operand 14578 states and 20582 transitions. Second operand has 6 states, 5 states have (on average 23.8) internal successors, (119), 5 states have internal predecessors, (119), 3 states have call successors, (37), 2 states have call predecessors, (37), 3 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) [2021-12-06 23:01:37,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 23:01:37,027 INFO L93 Difference]: Finished difference Result 29103 states and 41146 transitions. [2021-12-06 23:01:37,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-06 23:01:37,028 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 23.8) internal successors, (119), 5 states have internal predecessors, (119), 3 states have call successors, (37), 2 states have call predecessors, (37), 3 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) Word has length 403 [2021-12-06 23:01:37,029 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 23:01:37,070 INFO L225 Difference]: With dead ends: 29103 [2021-12-06 23:01:37,070 INFO L226 Difference]: Without dead ends: 14578 [2021-12-06 23:01:37,099 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 403 GetRequests, 398 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-12-06 23:01:37,100 INFO L933 BasicCegarLoop]: 1863 mSDtfsCounter, 119 mSDsluCounter, 7307 mSDsCounter, 0 mSdLazyCounter, 113 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 127 SdHoareTripleChecker+Valid, 9170 SdHoareTripleChecker+Invalid, 113 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 113 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2021-12-06 23:01:37,100 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [127 Valid, 9170 Invalid, 113 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 113 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2021-12-06 23:01:37,110 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14578 states. [2021-12-06 23:01:37,472 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14578 to 14578. [2021-12-06 23:01:37,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14578 states, 10578 states have (on average 1.3363584798638684) internal successors, (14136), 10772 states have internal predecessors, (14136), 3127 states have call successors, (3127), 873 states have call predecessors, (3127), 872 states have return successors, (3304), 3042 states have call predecessors, (3304), 3126 states have call successors, (3304) [2021-12-06 23:01:37,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14578 states to 14578 states and 20567 transitions. [2021-12-06 23:01:37,518 INFO L78 Accepts]: Start accepts. Automaton has 14578 states and 20567 transitions. Word has length 403 [2021-12-06 23:01:37,518 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 23:01:37,518 INFO L470 AbstractCegarLoop]: Abstraction has 14578 states and 20567 transitions. [2021-12-06 23:01:37,518 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 23.8) internal successors, (119), 5 states have internal predecessors, (119), 3 states have call successors, (37), 2 states have call predecessors, (37), 3 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) [2021-12-06 23:01:37,518 INFO L276 IsEmpty]: Start isEmpty. Operand 14578 states and 20567 transitions. [2021-12-06 23:01:37,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 404 [2021-12-06 23:01:37,529 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 23:01:37,529 INFO L514 BasicCegarLoop]: trace histogram [36, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 9, 9, 9, 9, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 23:01:37,575 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0687c60f-dd5c-4443-9d57-78d3c929a1c6/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (21)] Ended with exit code 0 [2021-12-06 23:01:37,730 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0687c60f-dd5c-4443-9d57-78d3c929a1c6/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-06 23:01:37,731 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 23:01:37,731 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:01:37,732 INFO L85 PathProgramCache]: Analyzing trace with hash 1642529423, now seen corresponding path program 1 times [2021-12-06 23:01:37,738 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 23:01:37,738 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1107881742] [2021-12-06 23:01:37,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:01:37,739 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 23:01:37,739 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0687c60f-dd5c-4443-9d57-78d3c929a1c6/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 23:01:37,741 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0687c60f-dd5c-4443-9d57-78d3c929a1c6/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 23:01:37,744 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0687c60f-dd5c-4443-9d57-78d3c929a1c6/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (22)] Waiting until timeout for monitored process [2021-12-06 23:01:42,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:01:42,887 INFO L263 TraceCheckSpWp]: Trace formula consists of 2889 conjuncts, 14 conjunts are in the unsatisfiable core [2021-12-06 23:01:42,894 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 23:01:43,919 INFO L134 CoverageAnalysis]: Checked inductivity of 2071 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2069 trivial. 0 not checked. [2021-12-06 23:01:43,919 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 23:01:43,919 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-06 23:01:43,919 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1107881742] [2021-12-06 23:01:43,919 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1107881742] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:01:43,920 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 23:01:43,920 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-06 23:01:43,920 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [619148412] [2021-12-06 23:01:43,920 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:01:43,921 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 23:01:43,921 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-06 23:01:43,921 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 23:01:43,921 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-06 23:01:43,922 INFO L87 Difference]: Start difference. First operand 14578 states and 20567 transitions. Second operand has 6 states, 5 states have (on average 23.2) internal successors, (116), 5 states have internal predecessors, (116), 3 states have call successors, (37), 2 states have call predecessors, (37), 3 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) [2021-12-06 23:01:45,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 23:01:45,715 INFO L93 Difference]: Finished difference Result 29103 states and 41153 transitions. [2021-12-06 23:01:45,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-06 23:01:45,716 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 23.2) internal successors, (116), 5 states have internal predecessors, (116), 3 states have call successors, (37), 2 states have call predecessors, (37), 3 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) Word has length 403 [2021-12-06 23:01:45,716 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 23:01:45,772 INFO L225 Difference]: With dead ends: 29103 [2021-12-06 23:01:45,773 INFO L226 Difference]: Without dead ends: 14578 [2021-12-06 23:01:45,794 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 403 GetRequests, 398 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-12-06 23:01:45,795 INFO L933 BasicCegarLoop]: 1862 mSDtfsCounter, 29 mSDsluCounter, 7389 mSDsCounter, 0 mSdLazyCounter, 115 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 9251 SdHoareTripleChecker+Invalid, 115 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 115 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2021-12-06 23:01:45,795 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [39 Valid, 9251 Invalid, 115 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 115 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2021-12-06 23:01:45,803 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14578 states. [2021-12-06 23:01:46,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14578 to 14578. [2021-12-06 23:01:46,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14578 states, 10578 states have (on average 1.33494044242768) internal successors, (14121), 10772 states have internal predecessors, (14121), 3127 states have call successors, (3127), 873 states have call predecessors, (3127), 872 states have return successors, (3304), 3042 states have call predecessors, (3304), 3126 states have call successors, (3304) [2021-12-06 23:01:46,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14578 states to 14578 states and 20552 transitions. [2021-12-06 23:01:46,160 INFO L78 Accepts]: Start accepts. Automaton has 14578 states and 20552 transitions. Word has length 403 [2021-12-06 23:01:46,160 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 23:01:46,160 INFO L470 AbstractCegarLoop]: Abstraction has 14578 states and 20552 transitions. [2021-12-06 23:01:46,160 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 23.2) internal successors, (116), 5 states have internal predecessors, (116), 3 states have call successors, (37), 2 states have call predecessors, (37), 3 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) [2021-12-06 23:01:46,160 INFO L276 IsEmpty]: Start isEmpty. Operand 14578 states and 20552 transitions. [2021-12-06 23:01:46,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 404 [2021-12-06 23:01:46,167 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 23:01:46,167 INFO L514 BasicCegarLoop]: trace histogram [36, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 9, 9, 9, 9, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 23:01:46,217 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0687c60f-dd5c-4443-9d57-78d3c929a1c6/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (22)] Ended with exit code 0 [2021-12-06 23:01:46,368 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0687c60f-dd5c-4443-9d57-78d3c929a1c6/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-06 23:01:46,370 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 23:01:46,371 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:01:46,372 INFO L85 PathProgramCache]: Analyzing trace with hash -1785194319, now seen corresponding path program 1 times [2021-12-06 23:01:46,378 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 23:01:46,378 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [232049557] [2021-12-06 23:01:46,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:01:46,379 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 23:01:46,379 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0687c60f-dd5c-4443-9d57-78d3c929a1c6/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 23:01:46,381 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0687c60f-dd5c-4443-9d57-78d3c929a1c6/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 23:01:46,384 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0687c60f-dd5c-4443-9d57-78d3c929a1c6/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (23)] Waiting until timeout for monitored process [2021-12-06 23:01:51,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:01:51,628 INFO L263 TraceCheckSpWp]: Trace formula consists of 2889 conjuncts, 4 conjunts are in the unsatisfiable core [2021-12-06 23:01:51,632 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 23:01:53,045 INFO L134 CoverageAnalysis]: Checked inductivity of 2071 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2071 trivial. 0 not checked. [2021-12-06 23:01:53,046 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 23:01:53,046 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-06 23:01:53,046 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [232049557] [2021-12-06 23:01:53,046 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [232049557] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:01:53,046 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 23:01:53,046 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-06 23:01:53,047 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [701305929] [2021-12-06 23:01:53,047 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:01:53,047 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-06 23:01:53,048 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-06 23:01:53,048 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-06 23:01:53,048 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-06 23:01:53,048 INFO L87 Difference]: Start difference. First operand 14578 states and 20552 transitions. Second operand has 5 states, 5 states have (on average 22.8) internal successors, (114), 4 states have internal predecessors, (114), 4 states have call successors, (37), 3 states have call predecessors, (37), 2 states have return successors, (33), 4 states have call predecessors, (33), 4 states have call successors, (33) [2021-12-06 23:02:01,267 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 23:02:01,267 INFO L93 Difference]: Finished difference Result 29928 states and 42430 transitions. [2021-12-06 23:02:01,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-06 23:02:01,268 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 22.8) internal successors, (114), 4 states have internal predecessors, (114), 4 states have call successors, (37), 3 states have call predecessors, (37), 2 states have return successors, (33), 4 states have call predecessors, (33), 4 states have call successors, (33) Word has length 403 [2021-12-06 23:02:01,269 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 23:02:01,306 INFO L225 Difference]: With dead ends: 29928 [2021-12-06 23:02:01,306 INFO L226 Difference]: Without dead ends: 15403 [2021-12-06 23:02:01,332 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 403 GetRequests, 399 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-06 23:02:01,333 INFO L933 BasicCegarLoop]: 1890 mSDtfsCounter, 113 mSDsluCounter, 5576 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 118 SdHoareTripleChecker+Valid, 7466 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.8s IncrementalHoareTripleChecker+Time [2021-12-06 23:02:01,333 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [118 Valid, 7466 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 7.8s Time] [2021-12-06 23:02:01,343 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15403 states. [2021-12-06 23:02:01,759 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15403 to 15073. [2021-12-06 23:02:01,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15073 states, 10953 states have (on average 1.342645850451931) internal successors, (14706), 11162 states have internal predecessors, (14706), 3232 states have call successors, (3232), 888 states have call predecessors, (3232), 887 states have return successors, (3409), 3132 states have call predecessors, (3409), 3231 states have call successors, (3409) [2021-12-06 23:02:01,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15073 states to 15073 states and 21347 transitions. [2021-12-06 23:02:01,803 INFO L78 Accepts]: Start accepts. Automaton has 15073 states and 21347 transitions. Word has length 403 [2021-12-06 23:02:01,804 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 23:02:01,804 INFO L470 AbstractCegarLoop]: Abstraction has 15073 states and 21347 transitions. [2021-12-06 23:02:01,804 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 22.8) internal successors, (114), 4 states have internal predecessors, (114), 4 states have call successors, (37), 3 states have call predecessors, (37), 2 states have return successors, (33), 4 states have call predecessors, (33), 4 states have call successors, (33) [2021-12-06 23:02:01,804 INFO L276 IsEmpty]: Start isEmpty. Operand 15073 states and 21347 transitions. [2021-12-06 23:02:01,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 406 [2021-12-06 23:02:01,812 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 23:02:01,812 INFO L514 BasicCegarLoop]: trace histogram [36, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 9, 9, 9, 9, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 23:02:01,859 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0687c60f-dd5c-4443-9d57-78d3c929a1c6/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (23)] Forceful destruction successful, exit code 0 [2021-12-06 23:02:02,013 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0687c60f-dd5c-4443-9d57-78d3c929a1c6/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-06 23:02:02,014 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 23:02:02,015 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:02:02,016 INFO L85 PathProgramCache]: Analyzing trace with hash 1851366053, now seen corresponding path program 1 times [2021-12-06 23:02:02,021 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 23:02:02,022 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [714776884] [2021-12-06 23:02:02,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:02:02,023 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 23:02:02,023 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0687c60f-dd5c-4443-9d57-78d3c929a1c6/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 23:02:02,025 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0687c60f-dd5c-4443-9d57-78d3c929a1c6/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 23:02:02,028 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0687c60f-dd5c-4443-9d57-78d3c929a1c6/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (24)] Waiting until timeout for monitored process [2021-12-06 23:02:07,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:02:07,244 INFO L263 TraceCheckSpWp]: Trace formula consists of 2931 conjuncts, 12 conjunts are in the unsatisfiable core [2021-12-06 23:02:07,250 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 23:02:09,876 INFO L134 CoverageAnalysis]: Checked inductivity of 2071 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2071 trivial. 0 not checked. [2021-12-06 23:02:09,876 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 23:02:09,876 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-06 23:02:09,877 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [714776884] [2021-12-06 23:02:09,877 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [714776884] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:02:09,877 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 23:02:09,877 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-12-06 23:02:09,877 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1150992884] [2021-12-06 23:02:09,877 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:02:09,878 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-12-06 23:02:09,878 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-06 23:02:09,878 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-12-06 23:02:09,879 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-12-06 23:02:09,879 INFO L87 Difference]: Start difference. First operand 15073 states and 21347 transitions. Second operand has 11 states, 11 states have (on average 10.545454545454545) internal successors, (116), 10 states have internal predecessors, (116), 6 states have call successors, (37), 3 states have call predecessors, (37), 2 states have return successors, (33), 5 states have call predecessors, (33), 4 states have call successors, (33) [2021-12-06 23:02:11,574 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.63s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 23:02:13,661 WARN L534 Checker$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 23:02:52,799 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 23:02:52,799 INFO L93 Difference]: Finished difference Result 33078 states and 47419 transitions. [2021-12-06 23:02:52,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-12-06 23:02:52,801 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 10.545454545454545) internal successors, (116), 10 states have internal predecessors, (116), 6 states have call successors, (37), 3 states have call predecessors, (37), 2 states have return successors, (33), 5 states have call predecessors, (33), 4 states have call successors, (33) Word has length 405 [2021-12-06 23:02:52,802 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 23:02:52,846 INFO L225 Difference]: With dead ends: 33078 [2021-12-06 23:02:52,846 INFO L226 Difference]: Without dead ends: 18058 [2021-12-06 23:02:52,870 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 413 GetRequests, 395 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=83, Invalid=297, Unknown=0, NotChecked=0, Total=380 [2021-12-06 23:02:52,871 INFO L933 BasicCegarLoop]: 2062 mSDtfsCounter, 314 mSDsluCounter, 18117 mSDsCounter, 0 mSdLazyCounter, 465 mSolverCounterSat, 104 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 39.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 333 SdHoareTripleChecker+Valid, 20179 SdHoareTripleChecker+Invalid, 570 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 104 IncrementalHoareTripleChecker+Valid, 465 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 40.7s IncrementalHoareTripleChecker+Time [2021-12-06 23:02:52,871 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [333 Valid, 20179 Invalid, 570 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [104 Valid, 465 Invalid, 1 Unknown, 0 Unchecked, 40.7s Time] [2021-12-06 23:02:52,883 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18058 states. [2021-12-06 23:02:53,275 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18058 to 16528. [2021-12-06 23:02:53,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16528 states, 12048 states have (on average 1.3538346613545817) internal successors, (16311), 12332 states have internal predecessors, (16311), 3577 states have call successors, (3577), 903 states have call predecessors, (3577), 902 states have return successors, (3784), 3447 states have call predecessors, (3784), 3576 states have call successors, (3784) [2021-12-06 23:02:53,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16528 states to 16528 states and 23672 transitions. [2021-12-06 23:02:53,332 INFO L78 Accepts]: Start accepts. Automaton has 16528 states and 23672 transitions. Word has length 405 [2021-12-06 23:02:53,333 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 23:02:53,333 INFO L470 AbstractCegarLoop]: Abstraction has 16528 states and 23672 transitions. [2021-12-06 23:02:53,333 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 10.545454545454545) internal successors, (116), 10 states have internal predecessors, (116), 6 states have call successors, (37), 3 states have call predecessors, (37), 2 states have return successors, (33), 5 states have call predecessors, (33), 4 states have call successors, (33) [2021-12-06 23:02:53,333 INFO L276 IsEmpty]: Start isEmpty. Operand 16528 states and 23672 transitions. [2021-12-06 23:02:53,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 406 [2021-12-06 23:02:53,341 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 23:02:53,341 INFO L514 BasicCegarLoop]: trace histogram [36, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 9, 9, 9, 9, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 23:02:53,391 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0687c60f-dd5c-4443-9d57-78d3c929a1c6/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (24)] Ended with exit code 0 [2021-12-06 23:02:53,542 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0687c60f-dd5c-4443-9d57-78d3c929a1c6/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-06 23:02:53,544 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 23:02:53,544 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:02:53,545 INFO L85 PathProgramCache]: Analyzing trace with hash 1992861127, now seen corresponding path program 1 times [2021-12-06 23:02:53,551 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 23:02:53,551 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [99479470] [2021-12-06 23:02:53,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:02:53,552 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 23:02:53,552 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0687c60f-dd5c-4443-9d57-78d3c929a1c6/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 23:02:53,554 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0687c60f-dd5c-4443-9d57-78d3c929a1c6/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 23:02:53,556 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0687c60f-dd5c-4443-9d57-78d3c929a1c6/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (25)] Waiting until timeout for monitored process [2021-12-06 23:02:58,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:02:58,825 INFO L263 TraceCheckSpWp]: Trace formula consists of 2931 conjuncts, 5 conjunts are in the unsatisfiable core [2021-12-06 23:02:58,830 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 23:02:59,373 INFO L134 CoverageAnalysis]: Checked inductivity of 2071 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2071 trivial. 0 not checked. [2021-12-06 23:02:59,373 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 23:02:59,373 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-06 23:02:59,373 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [99479470] [2021-12-06 23:02:59,374 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [99479470] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:02:59,374 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 23:02:59,374 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-06 23:02:59,374 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [651637452] [2021-12-06 23:02:59,374 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:02:59,375 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-06 23:02:59,375 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-06 23:02:59,375 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-06 23:02:59,376 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-06 23:02:59,376 INFO L87 Difference]: Start difference. First operand 16528 states and 23672 transitions. Second operand has 5 states, 4 states have (on average 29.0) internal successors, (116), 4 states have internal predecessors, (116), 3 states have call successors, (37), 3 states have call predecessors, (37), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2021-12-06 23:03:00,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 23:03:00,041 INFO L93 Difference]: Finished difference Result 17354 states and 24946 transitions. [2021-12-06 23:03:00,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-06 23:03:00,042 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 29.0) internal successors, (116), 4 states have internal predecessors, (116), 3 states have call successors, (37), 3 states have call predecessors, (37), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) Word has length 405 [2021-12-06 23:03:00,042 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 23:03:00,083 INFO L225 Difference]: With dead ends: 17354 [2021-12-06 23:03:00,083 INFO L226 Difference]: Without dead ends: 17351 [2021-12-06 23:03:00,090 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 405 GetRequests, 401 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-06 23:03:00,090 INFO L933 BasicCegarLoop]: 1923 mSDtfsCounter, 32 mSDsluCounter, 5718 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 7641 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-12-06 23:03:00,090 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [40 Valid, 7641 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-12-06 23:03:00,102 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17351 states. [2021-12-06 23:03:00,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17351 to 16556. [2021-12-06 23:03:00,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16556 states, 12069 states have (on average 1.3525561355538984) internal successors, (16324), 12353 states have internal predecessors, (16324), 3577 states have call successors, (3577), 910 states have call predecessors, (3577), 909 states have return successors, (3784), 3447 states have call predecessors, (3784), 3576 states have call successors, (3784) [2021-12-06 23:03:00,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16556 states to 16556 states and 23685 transitions. [2021-12-06 23:03:00,548 INFO L78 Accepts]: Start accepts. Automaton has 16556 states and 23685 transitions. Word has length 405 [2021-12-06 23:03:00,548 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 23:03:00,548 INFO L470 AbstractCegarLoop]: Abstraction has 16556 states and 23685 transitions. [2021-12-06 23:03:00,548 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 29.0) internal successors, (116), 4 states have internal predecessors, (116), 3 states have call successors, (37), 3 states have call predecessors, (37), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2021-12-06 23:03:00,548 INFO L276 IsEmpty]: Start isEmpty. Operand 16556 states and 23685 transitions. [2021-12-06 23:03:00,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 436 [2021-12-06 23:03:00,563 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 23:03:00,563 INFO L514 BasicCegarLoop]: trace histogram [36, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 9, 9, 9, 9, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 23:03:00,614 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0687c60f-dd5c-4443-9d57-78d3c929a1c6/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (25)] Ended with exit code 0 [2021-12-06 23:03:00,764 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0687c60f-dd5c-4443-9d57-78d3c929a1c6/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-06 23:03:00,766 INFO L402 AbstractCegarLoop]: === Iteration 25 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 23:03:00,767 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:03:00,768 INFO L85 PathProgramCache]: Analyzing trace with hash -335986044, now seen corresponding path program 1 times [2021-12-06 23:03:00,773 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 23:03:00,774 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [122171005] [2021-12-06 23:03:00,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:03:00,775 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 23:03:00,775 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0687c60f-dd5c-4443-9d57-78d3c929a1c6/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 23:03:00,777 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0687c60f-dd5c-4443-9d57-78d3c929a1c6/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 23:03:00,780 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0687c60f-dd5c-4443-9d57-78d3c929a1c6/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (26)] Waiting until timeout for monitored process [2021-12-06 23:03:05,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:03:05,631 INFO L263 TraceCheckSpWp]: Trace formula consists of 2903 conjuncts, 4 conjunts are in the unsatisfiable core [2021-12-06 23:03:05,636 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 23:03:06,906 INFO L134 CoverageAnalysis]: Checked inductivity of 2110 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 2081 trivial. 0 not checked. [2021-12-06 23:03:06,906 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 23:03:06,906 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-06 23:03:06,906 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [122171005] [2021-12-06 23:03:06,906 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [122171005] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:03:06,907 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 23:03:06,907 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-06 23:03:06,907 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1659753615] [2021-12-06 23:03:06,907 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:03:06,908 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-06 23:03:06,908 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-06 23:03:06,908 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-06 23:03:06,908 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-06 23:03:06,908 INFO L87 Difference]: Start difference. First operand 16556 states and 23685 transitions. Second operand has 5 states, 5 states have (on average 28.0) internal successors, (140), 4 states have internal predecessors, (140), 2 states have call successors, (35), 2 states have call predecessors, (35), 3 states have return successors, (32), 3 states have call predecessors, (32), 2 states have call successors, (32) [2021-12-06 23:03:09,028 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 23:03:10,122 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 23:03:10,123 INFO L93 Difference]: Finished difference Result 41400 states and 59066 transitions. [2021-12-06 23:03:10,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-06 23:03:10,124 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 28.0) internal successors, (140), 4 states have internal predecessors, (140), 2 states have call successors, (35), 2 states have call predecessors, (35), 3 states have return successors, (32), 3 states have call predecessors, (32), 2 states have call successors, (32) Word has length 435 [2021-12-06 23:03:10,124 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 23:03:10,191 INFO L225 Difference]: With dead ends: 41400 [2021-12-06 23:03:10,191 INFO L226 Difference]: Without dead ends: 24897 [2021-12-06 23:03:10,221 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 436 GetRequests, 431 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-12-06 23:03:10,222 INFO L933 BasicCegarLoop]: 3596 mSDtfsCounter, 1718 mSDsluCounter, 9063 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1720 SdHoareTripleChecker+Valid, 12659 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2021-12-06 23:03:10,222 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1720 Valid, 12659 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2021-12-06 23:03:10,238 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24897 states. [2021-12-06 23:03:10,919 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24897 to 24878. [2021-12-06 23:03:10,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24878 states, 18174 states have (on average 1.3451634202707163) internal successors, (24447), 18605 states have internal predecessors, (24447), 5328 states have call successors, (5328), 1368 states have call predecessors, (5328), 1375 states have return successors, (5649), 5133 states have call predecessors, (5649), 5327 states have call successors, (5649) [2021-12-06 23:03:11,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24878 states to 24878 states and 35424 transitions. [2021-12-06 23:03:11,028 INFO L78 Accepts]: Start accepts. Automaton has 24878 states and 35424 transitions. Word has length 435 [2021-12-06 23:03:11,028 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 23:03:11,029 INFO L470 AbstractCegarLoop]: Abstraction has 24878 states and 35424 transitions. [2021-12-06 23:03:11,029 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 28.0) internal successors, (140), 4 states have internal predecessors, (140), 2 states have call successors, (35), 2 states have call predecessors, (35), 3 states have return successors, (32), 3 states have call predecessors, (32), 2 states have call successors, (32) [2021-12-06 23:03:11,029 INFO L276 IsEmpty]: Start isEmpty. Operand 24878 states and 35424 transitions. [2021-12-06 23:03:11,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 437 [2021-12-06 23:03:11,044 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 23:03:11,044 INFO L514 BasicCegarLoop]: trace histogram [36, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 9, 9, 9, 9, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:03:11,098 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0687c60f-dd5c-4443-9d57-78d3c929a1c6/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (26)] Ended with exit code 0 [2021-12-06 23:03:11,244 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0687c60f-dd5c-4443-9d57-78d3c929a1c6/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-06 23:03:11,245 INFO L402 AbstractCegarLoop]: === Iteration 26 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 23:03:11,245 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:03:11,246 INFO L85 PathProgramCache]: Analyzing trace with hash 1930596065, now seen corresponding path program 1 times [2021-12-06 23:03:11,248 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 23:03:11,248 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1960258564] [2021-12-06 23:03:11,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:03:11,248 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 23:03:11,248 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0687c60f-dd5c-4443-9d57-78d3c929a1c6/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 23:03:11,249 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0687c60f-dd5c-4443-9d57-78d3c929a1c6/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 23:03:11,250 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0687c60f-dd5c-4443-9d57-78d3c929a1c6/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (27)] Waiting until timeout for monitored process [2021-12-06 23:03:15,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:03:16,002 INFO L263 TraceCheckSpWp]: Trace formula consists of 2905 conjuncts, 4 conjunts are in the unsatisfiable core [2021-12-06 23:03:16,007 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 23:03:17,267 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 2081 trivial. 0 not checked. [2021-12-06 23:03:17,268 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 23:03:17,268 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-06 23:03:17,268 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1960258564] [2021-12-06 23:03:17,268 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1960258564] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:03:17,268 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 23:03:17,269 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-06 23:03:17,269 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1572639551] [2021-12-06 23:03:17,269 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:03:17,270 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-06 23:03:17,270 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-06 23:03:17,270 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-06 23:03:17,270 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-06 23:03:17,270 INFO L87 Difference]: Start difference. First operand 24878 states and 35424 transitions. Second operand has 5 states, 5 states have (on average 28.2) internal successors, (141), 4 states have internal predecessors, (141), 2 states have call successors, (35), 2 states have call predecessors, (35), 3 states have return successors, (32), 3 states have call predecessors, (32), 2 states have call successors, (32) [2021-12-06 23:03:19,398 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 23:03:20,926 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 23:03:20,926 INFO L93 Difference]: Finished difference Result 61962 states and 87965 transitions. [2021-12-06 23:03:20,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-06 23:03:20,927 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 28.2) internal successors, (141), 4 states have internal predecessors, (141), 2 states have call successors, (35), 2 states have call predecessors, (35), 3 states have return successors, (32), 3 states have call predecessors, (32), 2 states have call successors, (32) Word has length 436 [2021-12-06 23:03:20,928 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 23:03:21,031 INFO L225 Difference]: With dead ends: 61962 [2021-12-06 23:03:21,031 INFO L226 Difference]: Without dead ends: 37137 [2021-12-06 23:03:21,077 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 437 GetRequests, 432 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-12-06 23:03:21,078 INFO L933 BasicCegarLoop]: 3588 mSDtfsCounter, 1710 mSDsluCounter, 9047 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1712 SdHoareTripleChecker+Valid, 12635 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2021-12-06 23:03:21,078 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1712 Valid, 12635 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 1 Unknown, 0 Unchecked, 2.5s Time] [2021-12-06 23:03:21,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37137 states. [2021-12-06 23:03:22,351 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37137 to 37122. [2021-12-06 23:03:22,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37122 states, 27196 states have (on average 1.3373657890866304) internal successors, (36371), 27837 states have internal predecessors, (36371), 7864 states have call successors, (7864), 2042 states have call predecessors, (7864), 2061 states have return successors, (8351), 7577 states have call predecessors, (8351), 7863 states have call successors, (8351) [2021-12-06 23:03:22,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37122 states to 37122 states and 52586 transitions. [2021-12-06 23:03:22,505 INFO L78 Accepts]: Start accepts. Automaton has 37122 states and 52586 transitions. Word has length 436 [2021-12-06 23:03:22,505 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 23:03:22,505 INFO L470 AbstractCegarLoop]: Abstraction has 37122 states and 52586 transitions. [2021-12-06 23:03:22,505 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 28.2) internal successors, (141), 4 states have internal predecessors, (141), 2 states have call successors, (35), 2 states have call predecessors, (35), 3 states have return successors, (32), 3 states have call predecessors, (32), 2 states have call successors, (32) [2021-12-06 23:03:22,505 INFO L276 IsEmpty]: Start isEmpty. Operand 37122 states and 52586 transitions. [2021-12-06 23:03:22,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 467 [2021-12-06 23:03:22,529 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 23:03:22,530 INFO L514 BasicCegarLoop]: trace histogram [36, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 9, 9, 9, 9, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:03:22,578 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0687c60f-dd5c-4443-9d57-78d3c929a1c6/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (27)] Ended with exit code 0 [2021-12-06 23:03:22,731 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0687c60f-dd5c-4443-9d57-78d3c929a1c6/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-06 23:03:22,732 INFO L402 AbstractCegarLoop]: === Iteration 27 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 23:03:22,733 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:03:22,734 INFO L85 PathProgramCache]: Analyzing trace with hash -579036555, now seen corresponding path program 1 times [2021-12-06 23:03:22,740 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 23:03:22,740 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2021663408] [2021-12-06 23:03:22,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:03:22,741 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 23:03:22,741 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0687c60f-dd5c-4443-9d57-78d3c929a1c6/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 23:03:22,743 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0687c60f-dd5c-4443-9d57-78d3c929a1c6/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 23:03:22,746 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0687c60f-dd5c-4443-9d57-78d3c929a1c6/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (28)] Waiting until timeout for monitored process [2021-12-06 23:03:27,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:03:27,946 INFO L263 TraceCheckSpWp]: Trace formula consists of 3112 conjuncts, 13 conjunts are in the unsatisfiable core [2021-12-06 23:03:27,951 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 23:03:30,129 INFO L134 CoverageAnalysis]: Checked inductivity of 2123 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 2083 trivial. 0 not checked. [2021-12-06 23:03:30,129 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 23:03:30,129 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-06 23:03:30,129 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2021663408] [2021-12-06 23:03:30,130 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2021663408] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:03:30,130 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 23:03:30,130 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-06 23:03:30,130 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [402062731] [2021-12-06 23:03:30,130 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:03:30,131 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 23:03:30,131 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-06 23:03:30,131 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 23:03:30,132 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-06 23:03:30,132 INFO L87 Difference]: Start difference. First operand 37122 states and 52586 transitions. Second operand has 6 states, 6 states have (on average 26.666666666666668) internal successors, (160), 5 states have internal predecessors, (160), 2 states have call successors, (40), 2 states have call predecessors, (40), 3 states have return successors, (37), 3 states have call predecessors, (37), 2 states have call successors, (37) [2021-12-06 23:03:31,587 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 23:03:31,587 INFO L93 Difference]: Finished difference Result 74376 states and 105360 transitions. [2021-12-06 23:03:31,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-06 23:03:31,589 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 26.666666666666668) internal successors, (160), 5 states have internal predecessors, (160), 2 states have call successors, (40), 2 states have call predecessors, (40), 3 states have return successors, (37), 3 states have call predecessors, (37), 2 states have call successors, (37) Word has length 466 [2021-12-06 23:03:31,589 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 23:03:31,757 INFO L225 Difference]: With dead ends: 74376 [2021-12-06 23:03:31,758 INFO L226 Difference]: Without dead ends: 37307 [2021-12-06 23:03:31,830 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 466 GetRequests, 461 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-12-06 23:03:31,830 INFO L933 BasicCegarLoop]: 1879 mSDtfsCounter, 4 mSDsluCounter, 7509 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 9388 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-12-06 23:03:31,831 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4 Valid, 9388 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-12-06 23:03:31,855 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37307 states. [2021-12-06 23:03:33,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37307 to 37222. [2021-12-06 23:03:33,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37222 states, 27276 states have (on average 1.3363763015104855) internal successors, (36451), 27917 states have internal predecessors, (36451), 7864 states have call successors, (7864), 2042 states have call predecessors, (7864), 2081 states have return successors, (8391), 7597 states have call predecessors, (8391), 7863 states have call successors, (8391) [2021-12-06 23:03:33,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37222 states to 37222 states and 52706 transitions. [2021-12-06 23:03:33,187 INFO L78 Accepts]: Start accepts. Automaton has 37222 states and 52706 transitions. Word has length 466 [2021-12-06 23:03:33,188 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 23:03:33,188 INFO L470 AbstractCegarLoop]: Abstraction has 37222 states and 52706 transitions. [2021-12-06 23:03:33,188 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 26.666666666666668) internal successors, (160), 5 states have internal predecessors, (160), 2 states have call successors, (40), 2 states have call predecessors, (40), 3 states have return successors, (37), 3 states have call predecessors, (37), 2 states have call successors, (37) [2021-12-06 23:03:33,188 INFO L276 IsEmpty]: Start isEmpty. Operand 37222 states and 52706 transitions. [2021-12-06 23:03:33,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 478 [2021-12-06 23:03:33,212 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 23:03:33,212 INFO L514 BasicCegarLoop]: trace histogram [36, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 12, 12, 12, 9, 9, 9, 9, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 23:03:33,261 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0687c60f-dd5c-4443-9d57-78d3c929a1c6/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (28)] Ended with exit code 0 [2021-12-06 23:03:33,413 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0687c60f-dd5c-4443-9d57-78d3c929a1c6/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-06 23:03:33,414 INFO L402 AbstractCegarLoop]: === Iteration 28 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 23:03:33,415 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:03:33,416 INFO L85 PathProgramCache]: Analyzing trace with hash -225393504, now seen corresponding path program 1 times [2021-12-06 23:03:33,423 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 23:03:33,423 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [369150820] [2021-12-06 23:03:33,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:03:33,425 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 23:03:33,425 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0687c60f-dd5c-4443-9d57-78d3c929a1c6/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 23:03:33,427 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0687c60f-dd5c-4443-9d57-78d3c929a1c6/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 23:03:33,430 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0687c60f-dd5c-4443-9d57-78d3c929a1c6/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (29)] Waiting until timeout for monitored process [2021-12-06 23:03:38,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:03:38,548 INFO L263 TraceCheckSpWp]: Trace formula consists of 3142 conjuncts, 4 conjunts are in the unsatisfiable core [2021-12-06 23:03:38,554 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 23:03:39,982 INFO L134 CoverageAnalysis]: Checked inductivity of 2207 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 2176 trivial. 0 not checked. [2021-12-06 23:03:39,983 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 23:03:39,983 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-06 23:03:39,983 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [369150820] [2021-12-06 23:03:39,983 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [369150820] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:03:39,983 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 23:03:39,984 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-06 23:03:39,984 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1466288490] [2021-12-06 23:03:39,984 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:03:39,985 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-06 23:03:39,985 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-06 23:03:39,986 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-06 23:03:39,986 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-06 23:03:39,986 INFO L87 Difference]: Start difference. First operand 37222 states and 52706 transitions. Second operand has 5 states, 5 states have (on average 31.2) internal successors, (156), 4 states have internal predecessors, (156), 2 states have call successors, (41), 2 states have call predecessors, (41), 3 states have return successors, (38), 3 states have call predecessors, (38), 2 states have call successors, (38) [2021-12-06 23:03:41,248 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 23:03:41,248 INFO L93 Difference]: Finished difference Result 74581 states and 105625 transitions. [2021-12-06 23:03:41,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-06 23:03:41,249 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 31.2) internal successors, (156), 4 states have internal predecessors, (156), 2 states have call successors, (41), 2 states have call predecessors, (41), 3 states have return successors, (38), 3 states have call predecessors, (38), 2 states have call successors, (38) Word has length 477 [2021-12-06 23:03:41,250 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 23:03:41,358 INFO L225 Difference]: With dead ends: 74581 [2021-12-06 23:03:41,358 INFO L226 Difference]: Without dead ends: 37412 [2021-12-06 23:03:41,421 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 476 GetRequests, 473 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-06 23:03:41,421 INFO L933 BasicCegarLoop]: 1883 mSDtfsCounter, 3 mSDsluCounter, 5643 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 7526 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-12-06 23:03:41,421 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4 Valid, 7526 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-12-06 23:03:41,447 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37412 states. [2021-12-06 23:03:42,586 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37412 to 37302. [2021-12-06 23:03:42,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37302 states, 27336 states have (on average 1.3356379865378987) internal successors, (36511), 27977 states have internal predecessors, (36511), 7864 states have call successors, (7864), 2042 states have call predecessors, (7864), 2101 states have return successors, (8431), 7617 states have call predecessors, (8431), 7863 states have call successors, (8431) [2021-12-06 23:03:42,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37302 states to 37302 states and 52806 transitions. [2021-12-06 23:03:42,722 INFO L78 Accepts]: Start accepts. Automaton has 37302 states and 52806 transitions. Word has length 477 [2021-12-06 23:03:42,723 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 23:03:42,723 INFO L470 AbstractCegarLoop]: Abstraction has 37302 states and 52806 transitions. [2021-12-06 23:03:42,723 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 31.2) internal successors, (156), 4 states have internal predecessors, (156), 2 states have call successors, (41), 2 states have call predecessors, (41), 3 states have return successors, (38), 3 states have call predecessors, (38), 2 states have call successors, (38) [2021-12-06 23:03:42,723 INFO L276 IsEmpty]: Start isEmpty. Operand 37302 states and 52806 transitions. [2021-12-06 23:03:42,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 482 [2021-12-06 23:03:42,810 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 23:03:42,810 INFO L514 BasicCegarLoop]: trace histogram [36, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 12, 12, 12, 9, 9, 9, 9, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 23:03:42,856 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0687c60f-dd5c-4443-9d57-78d3c929a1c6/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (29)] Ended with exit code 0 [2021-12-06 23:03:43,011 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 29 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0687c60f-dd5c-4443-9d57-78d3c929a1c6/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-06 23:03:43,013 INFO L402 AbstractCegarLoop]: === Iteration 29 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 23:03:43,013 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:03:43,014 INFO L85 PathProgramCache]: Analyzing trace with hash -2126385664, now seen corresponding path program 1 times [2021-12-06 23:03:43,021 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 23:03:43,022 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [825062312] [2021-12-06 23:03:43,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:03:43,023 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 23:03:43,023 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0687c60f-dd5c-4443-9d57-78d3c929a1c6/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 23:03:43,025 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0687c60f-dd5c-4443-9d57-78d3c929a1c6/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 23:03:43,028 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0687c60f-dd5c-4443-9d57-78d3c929a1c6/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (30)] Waiting until timeout for monitored process [2021-12-06 23:03:48,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:03:49,024 INFO L263 TraceCheckSpWp]: Trace formula consists of 3135 conjuncts, 7 conjunts are in the unsatisfiable core [2021-12-06 23:03:49,032 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 23:03:50,968 INFO L134 CoverageAnalysis]: Checked inductivity of 2207 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 2176 trivial. 0 not checked. [2021-12-06 23:03:50,968 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 23:03:50,968 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-06 23:03:50,968 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [825062312] [2021-12-06 23:03:50,968 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [825062312] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:03:50,969 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 23:03:50,969 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-06 23:03:50,969 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1506476410] [2021-12-06 23:03:50,969 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:03:50,970 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-06 23:03:50,970 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-06 23:03:50,971 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-06 23:03:50,971 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2021-12-06 23:03:50,971 INFO L87 Difference]: Start difference. First operand 37302 states and 52806 transitions. Second operand has 8 states, 8 states have (on average 19.75) internal successors, (158), 6 states have internal predecessors, (158), 3 states have call successors, (42), 2 states have call predecessors, (42), 4 states have return successors, (39), 5 states have call predecessors, (39), 3 states have call successors, (39) [2021-12-06 23:03:53,098 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 23:03:56,386 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 23:03:56,386 INFO L93 Difference]: Finished difference Result 87038 states and 123023 transitions. [2021-12-06 23:03:56,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-12-06 23:03:56,387 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 19.75) internal successors, (158), 6 states have internal predecessors, (158), 3 states have call successors, (42), 2 states have call predecessors, (42), 4 states have return successors, (39), 5 states have call predecessors, (39), 3 states have call successors, (39) Word has length 481 [2021-12-06 23:03:56,388 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 23:03:56,539 INFO L225 Difference]: With dead ends: 87038 [2021-12-06 23:03:56,539 INFO L226 Difference]: Without dead ends: 49789 [2021-12-06 23:03:56,616 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 487 GetRequests, 474 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=45, Invalid=165, Unknown=0, NotChecked=0, Total=210 [2021-12-06 23:03:56,616 INFO L933 BasicCegarLoop]: 3597 mSDtfsCounter, 1724 mSDsluCounter, 19844 mSDsCounter, 0 mSdLazyCounter, 75 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1728 SdHoareTripleChecker+Valid, 23441 SdHoareTripleChecker+Invalid, 79 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 75 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2021-12-06 23:03:56,616 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1728 Valid, 23441 Invalid, 79 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 75 Invalid, 1 Unknown, 0 Unchecked, 3.1s Time] [2021-12-06 23:03:56,652 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49789 states. [2021-12-06 23:03:58,497 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49789 to 49690. [2021-12-06 23:03:58,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49690 states, 36444 states have (on average 1.331549774997256) internal successors, (48527), 37311 states have internal predecessors, (48527), 10428 states have call successors, (10428), 2716 states have call predecessors, (10428), 2817 states have return successors, (11213), 10103 states have call predecessors, (11213), 10427 states have call successors, (11213) [2021-12-06 23:03:58,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49690 states to 49690 states and 70168 transitions. [2021-12-06 23:03:58,672 INFO L78 Accepts]: Start accepts. Automaton has 49690 states and 70168 transitions. Word has length 481 [2021-12-06 23:03:58,672 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 23:03:58,672 INFO L470 AbstractCegarLoop]: Abstraction has 49690 states and 70168 transitions. [2021-12-06 23:03:58,673 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 19.75) internal successors, (158), 6 states have internal predecessors, (158), 3 states have call successors, (42), 2 states have call predecessors, (42), 4 states have return successors, (39), 5 states have call predecessors, (39), 3 states have call successors, (39) [2021-12-06 23:03:58,673 INFO L276 IsEmpty]: Start isEmpty. Operand 49690 states and 70168 transitions. [2021-12-06 23:03:58,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 483 [2021-12-06 23:03:58,700 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 23:03:58,701 INFO L514 BasicCegarLoop]: trace histogram [36, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 12, 12, 12, 9, 9, 9, 9, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:03:58,752 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0687c60f-dd5c-4443-9d57-78d3c929a1c6/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (30)] Forceful destruction successful, exit code 0 [2021-12-06 23:03:58,901 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 30 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0687c60f-dd5c-4443-9d57-78d3c929a1c6/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-06 23:03:58,902 INFO L402 AbstractCegarLoop]: === Iteration 30 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 23:03:58,903 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:03:58,904 INFO L85 PathProgramCache]: Analyzing trace with hash 586960933, now seen corresponding path program 1 times [2021-12-06 23:03:58,909 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 23:03:58,910 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [86024313] [2021-12-06 23:03:58,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:03:58,911 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 23:03:58,911 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0687c60f-dd5c-4443-9d57-78d3c929a1c6/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 23:03:58,913 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0687c60f-dd5c-4443-9d57-78d3c929a1c6/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 23:03:58,915 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0687c60f-dd5c-4443-9d57-78d3c929a1c6/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (31)] Waiting until timeout for monitored process [2021-12-06 23:04:03,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:04:04,158 INFO L263 TraceCheckSpWp]: Trace formula consists of 3137 conjuncts, 7 conjunts are in the unsatisfiable core [2021-12-06 23:04:04,163 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 23:04:06,107 INFO L134 CoverageAnalysis]: Checked inductivity of 2209 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 2176 trivial. 0 not checked. [2021-12-06 23:04:06,108 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 23:04:06,108 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-06 23:04:06,108 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [86024313] [2021-12-06 23:04:06,108 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [86024313] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:04:06,108 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 23:04:06,109 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-06 23:04:06,109 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1000794140] [2021-12-06 23:04:06,109 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:04:06,110 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-06 23:04:06,110 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-06 23:04:06,110 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-06 23:04:06,110 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2021-12-06 23:04:06,110 INFO L87 Difference]: Start difference. First operand 49690 states and 70168 transitions. Second operand has 8 states, 8 states have (on average 19.875) internal successors, (159), 6 states have internal predecessors, (159), 3 states have call successors, (42), 2 states have call predecessors, (42), 4 states have return successors, (39), 5 states have call predecessors, (39), 3 states have call successors, (39) [2021-12-06 23:04:08,238 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 23:04:12,042 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 23:04:12,042 INFO L93 Difference]: Finished difference Result 115749 states and 163182 transitions. [2021-12-06 23:04:12,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-12-06 23:04:12,043 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 19.875) internal successors, (159), 6 states have internal predecessors, (159), 3 states have call successors, (42), 2 states have call predecessors, (42), 4 states have return successors, (39), 5 states have call predecessors, (39), 3 states have call successors, (39) Word has length 482 [2021-12-06 23:04:12,043 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 23:04:12,244 INFO L225 Difference]: With dead ends: 115749 [2021-12-06 23:04:12,244 INFO L226 Difference]: Without dead ends: 66112 [2021-12-06 23:04:12,336 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 488 GetRequests, 475 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=45, Invalid=165, Unknown=0, NotChecked=0, Total=210 [2021-12-06 23:04:12,337 INFO L933 BasicCegarLoop]: 3589 mSDtfsCounter, 1716 mSDsluCounter, 19804 mSDsCounter, 0 mSdLazyCounter, 75 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1720 SdHoareTripleChecker+Valid, 23393 SdHoareTripleChecker+Invalid, 79 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 75 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2021-12-06 23:04:12,337 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1720 Valid, 23393 Invalid, 79 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 75 Invalid, 1 Unknown, 0 Unchecked, 3.2s Time] [2021-12-06 23:04:12,383 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66112 states. [2021-12-06 23:04:14,623 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66112 to 66037. [2021-12-06 23:04:14,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66037 states, 48495 states have (on average 1.3273533353954017) internal successors, (64370), 49653 states have internal predecessors, (64370), 13780 states have call successors, (13780), 3606 states have call predecessors, (13780), 3761 states have return successors, (14847), 13356 states have call predecessors, (14847), 13779 states have call successors, (14847) [2021-12-06 23:04:14,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66037 states to 66037 states and 92997 transitions. [2021-12-06 23:04:14,845 INFO L78 Accepts]: Start accepts. Automaton has 66037 states and 92997 transitions. Word has length 482 [2021-12-06 23:04:14,846 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 23:04:14,846 INFO L470 AbstractCegarLoop]: Abstraction has 66037 states and 92997 transitions. [2021-12-06 23:04:14,846 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 19.875) internal successors, (159), 6 states have internal predecessors, (159), 3 states have call successors, (42), 2 states have call predecessors, (42), 4 states have return successors, (39), 5 states have call predecessors, (39), 3 states have call successors, (39) [2021-12-06 23:04:14,846 INFO L276 IsEmpty]: Start isEmpty. Operand 66037 states and 92997 transitions. [2021-12-06 23:04:14,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 511 [2021-12-06 23:04:14,879 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 23:04:14,879 INFO L514 BasicCegarLoop]: trace histogram [36, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 12, 12, 12, 9, 9, 9, 9, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:04:14,923 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0687c60f-dd5c-4443-9d57-78d3c929a1c6/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (31)] Ended with exit code 0 [2021-12-06 23:04:15,080 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 31 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0687c60f-dd5c-4443-9d57-78d3c929a1c6/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-06 23:04:15,080 INFO L402 AbstractCegarLoop]: === Iteration 31 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 23:04:15,080 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:04:15,081 INFO L85 PathProgramCache]: Analyzing trace with hash 729250864, now seen corresponding path program 1 times [2021-12-06 23:04:15,082 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 23:04:15,082 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [166442318] [2021-12-06 23:04:15,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:04:15,083 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 23:04:15,083 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0687c60f-dd5c-4443-9d57-78d3c929a1c6/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 23:04:15,083 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0687c60f-dd5c-4443-9d57-78d3c929a1c6/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 23:04:15,084 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0687c60f-dd5c-4443-9d57-78d3c929a1c6/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (32)] Waiting until timeout for monitored process [2021-12-06 23:04:20,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:04:20,813 INFO L263 TraceCheckSpWp]: Trace formula consists of 3462 conjuncts, 13 conjunts are in the unsatisfiable core [2021-12-06 23:04:20,819 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 23:04:23,026 INFO L134 CoverageAnalysis]: Checked inductivity of 2231 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 2191 trivial. 0 not checked. [2021-12-06 23:04:23,026 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 23:04:23,027 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-06 23:04:23,027 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [166442318] [2021-12-06 23:04:23,027 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [166442318] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:04:23,027 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 23:04:23,027 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-06 23:04:23,027 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1398254121] [2021-12-06 23:04:23,027 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:04:23,028 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 23:04:23,028 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-06 23:04:23,029 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 23:04:23,029 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-06 23:04:23,029 INFO L87 Difference]: Start difference. First operand 66037 states and 92997 transitions. Second operand has 6 states, 6 states have (on average 28.833333333333332) internal successors, (173), 5 states have internal predecessors, (173), 2 states have call successors, (47), 2 states have call predecessors, (47), 3 states have return successors, (44), 3 states have call predecessors, (44), 2 states have call successors, (44) [2021-12-06 23:04:25,520 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 23:04:27,289 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 23:04:27,289 INFO L93 Difference]: Finished difference Result 132345 states and 186633 transitions. [2021-12-06 23:04:27,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-06 23:04:27,291 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 28.833333333333332) internal successors, (173), 5 states have internal predecessors, (173), 2 states have call successors, (47), 2 states have call predecessors, (47), 3 states have return successors, (44), 3 states have call predecessors, (44), 2 states have call successors, (44) Word has length 510 [2021-12-06 23:04:27,292 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 23:04:27,480 INFO L225 Difference]: With dead ends: 132345 [2021-12-06 23:04:27,480 INFO L226 Difference]: Without dead ends: 66361 [2021-12-06 23:04:27,607 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 510 GetRequests, 505 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-12-06 23:04:27,607 INFO L933 BasicCegarLoop]: 1879 mSDtfsCounter, 4 mSDsluCounter, 7505 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 9384 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2021-12-06 23:04:27,608 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4 Valid, 9384 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 24 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2021-12-06 23:04:27,656 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66361 states. [2021-12-06 23:04:30,076 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66361 to 66235. [2021-12-06 23:04:30,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66235 states, 48669 states have (on average 1.326182991226448) internal successors, (64544), 49788 states have internal predecessors, (64544), 13780 states have call successors, (13780), 3606 states have call predecessors, (13780), 3785 states have return successors, (14871), 13419 states have call predecessors, (14871), 13779 states have call successors, (14871) [2021-12-06 23:04:30,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66235 states to 66235 states and 93195 transitions. [2021-12-06 23:04:30,300 INFO L78 Accepts]: Start accepts. Automaton has 66235 states and 93195 transitions. Word has length 510 [2021-12-06 23:04:30,301 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 23:04:30,301 INFO L470 AbstractCegarLoop]: Abstraction has 66235 states and 93195 transitions. [2021-12-06 23:04:30,301 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 28.833333333333332) internal successors, (173), 5 states have internal predecessors, (173), 2 states have call successors, (47), 2 states have call predecessors, (47), 3 states have return successors, (44), 3 states have call predecessors, (44), 2 states have call successors, (44) [2021-12-06 23:04:30,301 INFO L276 IsEmpty]: Start isEmpty. Operand 66235 states and 93195 transitions. [2021-12-06 23:04:30,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 522 [2021-12-06 23:04:30,337 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 23:04:30,337 INFO L514 BasicCegarLoop]: trace histogram [36, 14, 14, 14, 14, 14, 12, 12, 12, 12, 12, 12, 12, 12, 9, 9, 9, 9, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:04:30,394 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0687c60f-dd5c-4443-9d57-78d3c929a1c6/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (32)] Ended with exit code 0 [2021-12-06 23:04:30,538 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 32 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0687c60f-dd5c-4443-9d57-78d3c929a1c6/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-06 23:04:30,539 INFO L402 AbstractCegarLoop]: === Iteration 32 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 23:04:30,540 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:04:30,541 INFO L85 PathProgramCache]: Analyzing trace with hash -1142506167, now seen corresponding path program 1 times [2021-12-06 23:04:30,545 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 23:04:30,545 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [620594453] [2021-12-06 23:04:30,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:04:30,545 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 23:04:30,545 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0687c60f-dd5c-4443-9d57-78d3c929a1c6/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 23:04:30,546 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0687c60f-dd5c-4443-9d57-78d3c929a1c6/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 23:04:30,546 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0687c60f-dd5c-4443-9d57-78d3c929a1c6/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (33)] Waiting until timeout for monitored process [2021-12-06 23:04:36,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:04:36,400 INFO L263 TraceCheckSpWp]: Trace formula consists of 3492 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-06 23:04:36,406 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 23:04:37,646 INFO L134 CoverageAnalysis]: Checked inductivity of 2326 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 2295 trivial. 0 not checked. [2021-12-06 23:04:37,646 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 23:04:37,646 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-06 23:04:37,647 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [620594453] [2021-12-06 23:04:37,647 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [620594453] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:04:37,647 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 23:04:37,647 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 23:04:37,647 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [588157203] [2021-12-06 23:04:37,647 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:04:37,648 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 23:04:37,648 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-06 23:04:37,649 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 23:04:37,649 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 23:04:37,649 INFO L87 Difference]: Start difference. First operand 66235 states and 93195 transitions. Second operand has 3 states, 3 states have (on average 55.333333333333336) internal successors, (166), 3 states have internal predecessors, (166), 2 states have call successors, (47), 2 states have call predecessors, (47), 2 states have return successors, (44), 2 states have call predecessors, (44), 2 states have call successors, (44) [2021-12-06 23:04:39,775 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 23:04:44,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 23:04:44,476 INFO L93 Difference]: Finished difference Result 140362 states and 197797 transitions. [2021-12-06 23:04:44,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 23:04:44,477 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 55.333333333333336) internal successors, (166), 3 states have internal predecessors, (166), 2 states have call successors, (47), 2 states have call predecessors, (47), 2 states have return successors, (44), 2 states have call predecessors, (44), 2 states have call successors, (44) Word has length 521 [2021-12-06 23:04:44,477 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 23:04:44,687 INFO L225 Difference]: With dead ends: 140362 [2021-12-06 23:04:44,687 INFO L226 Difference]: Without dead ends: 74180 [2021-12-06 23:04:44,826 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 520 GetRequests, 519 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 23:04:44,827 INFO L933 BasicCegarLoop]: 3400 mSDtfsCounter, 1600 mSDsluCounter, 1690 mSDsCounter, 0 mSdLazyCounter, 192 mSolverCounterSat, 78 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1600 SdHoareTripleChecker+Valid, 5090 SdHoareTripleChecker+Invalid, 271 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 78 IncrementalHoareTripleChecker+Valid, 192 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2021-12-06 23:04:44,827 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1600 Valid, 5090 Invalid, 271 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [78 Valid, 192 Invalid, 1 Unknown, 0 Unchecked, 4.8s Time] [2021-12-06 23:04:44,881 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74180 states. [2021-12-06 23:04:47,589 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74180 to 74142. [2021-12-06 23:04:47,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74142 states, 54570 states have (on average 1.3257467472970497) internal successors, (72346), 55820 states have internal predecessors, (72346), 15319 states have call successors, (15319), 4056 states have call predecessors, (15319), 4252 states have return successors, (16533), 14913 states have call predecessors, (16533), 15318 states have call successors, (16533) [2021-12-06 23:04:47,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74142 states to 74142 states and 104198 transitions. [2021-12-06 23:04:47,921 INFO L78 Accepts]: Start accepts. Automaton has 74142 states and 104198 transitions. Word has length 521 [2021-12-06 23:04:47,922 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 23:04:47,922 INFO L470 AbstractCegarLoop]: Abstraction has 74142 states and 104198 transitions. [2021-12-06 23:04:47,922 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 55.333333333333336) internal successors, (166), 3 states have internal predecessors, (166), 2 states have call successors, (47), 2 states have call predecessors, (47), 2 states have return successors, (44), 2 states have call predecessors, (44), 2 states have call successors, (44) [2021-12-06 23:04:47,922 INFO L276 IsEmpty]: Start isEmpty. Operand 74142 states and 104198 transitions. [2021-12-06 23:04:47,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 523 [2021-12-06 23:04:47,955 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 23:04:47,956 INFO L514 BasicCegarLoop]: trace histogram [36, 14, 14, 14, 14, 14, 12, 12, 12, 12, 12, 12, 12, 12, 9, 9, 9, 9, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 23:04:48,008 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0687c60f-dd5c-4443-9d57-78d3c929a1c6/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (33)] Ended with exit code 0 [2021-12-06 23:04:48,156 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 33 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0687c60f-dd5c-4443-9d57-78d3c929a1c6/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-06 23:04:48,157 INFO L402 AbstractCegarLoop]: === Iteration 33 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 23:04:48,157 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:04:48,157 INFO L85 PathProgramCache]: Analyzing trace with hash -569644804, now seen corresponding path program 1 times [2021-12-06 23:04:48,159 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 23:04:48,159 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1584352834] [2021-12-06 23:04:48,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:04:48,159 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 23:04:48,159 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0687c60f-dd5c-4443-9d57-78d3c929a1c6/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 23:04:48,160 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0687c60f-dd5c-4443-9d57-78d3c929a1c6/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 23:04:48,161 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0687c60f-dd5c-4443-9d57-78d3c929a1c6/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (34)] Waiting until timeout for monitored process [2021-12-06 23:04:53,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:04:54,024 INFO L263 TraceCheckSpWp]: Trace formula consists of 3494 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-06 23:04:54,030 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 23:04:55,224 INFO L134 CoverageAnalysis]: Checked inductivity of 2328 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 2295 trivial. 0 not checked. [2021-12-06 23:04:55,224 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 23:04:55,224 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-06 23:04:55,224 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1584352834] [2021-12-06 23:04:55,224 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1584352834] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:04:55,225 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 23:04:55,225 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 23:04:55,225 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [548163841] [2021-12-06 23:04:55,225 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:04:55,226 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 23:04:55,226 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-06 23:04:55,226 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 23:04:55,226 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 23:04:55,227 INFO L87 Difference]: Start difference. First operand 74142 states and 104198 transitions. Second operand has 3 states, 3 states have (on average 55.666666666666664) internal successors, (167), 3 states have internal predecessors, (167), 2 states have call successors, (47), 2 states have call predecessors, (47), 2 states have return successors, (44), 2 states have call predecessors, (44), 2 states have call successors, (44) [2021-12-06 23:04:57,351 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 23:05:02,179 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 23:05:02,179 INFO L93 Difference]: Finished difference Result 157141 states and 221207 transitions. [2021-12-06 23:05:02,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 23:05:02,180 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 55.666666666666664) internal successors, (167), 3 states have internal predecessors, (167), 2 states have call successors, (47), 2 states have call predecessors, (47), 2 states have return successors, (44), 2 states have call predecessors, (44), 2 states have call successors, (44) Word has length 522 [2021-12-06 23:05:02,181 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 23:05:02,442 INFO L225 Difference]: With dead ends: 157141 [2021-12-06 23:05:02,442 INFO L226 Difference]: Without dead ends: 83052 [2021-12-06 23:05:02,602 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 521 GetRequests, 520 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 23:05:02,602 INFO L933 BasicCegarLoop]: 3349 mSDtfsCounter, 1606 mSDsluCounter, 1676 mSDsCounter, 0 mSdLazyCounter, 206 mSolverCounterSat, 84 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1606 SdHoareTripleChecker+Valid, 5025 SdHoareTripleChecker+Invalid, 291 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 84 IncrementalHoareTripleChecker+Valid, 206 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2021-12-06 23:05:02,602 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1606 Valid, 5025 Invalid, 291 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [84 Valid, 206 Invalid, 1 Unknown, 0 Unchecked, 4.7s Time] [2021-12-06 23:05:02,666 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83052 states. [2021-12-06 23:05:05,306 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83052 to 83003. [2021-12-06 23:05:05,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83003 states, 61190 states have (on average 1.3251511684915835) internal successors, (81086), 62589 states have internal predecessors, (81086), 17034 states have call successors, (17034), 4564 states have call predecessors, (17034), 4778 states have return successors, (18384), 16574 states have call predecessors, (18384), 17033 states have call successors, (18384) [2021-12-06 23:05:05,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83003 states to 83003 states and 116504 transitions. [2021-12-06 23:05:05,689 INFO L78 Accepts]: Start accepts. Automaton has 83003 states and 116504 transitions. Word has length 522 [2021-12-06 23:05:05,690 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 23:05:05,690 INFO L470 AbstractCegarLoop]: Abstraction has 83003 states and 116504 transitions. [2021-12-06 23:05:05,690 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 55.666666666666664) internal successors, (167), 3 states have internal predecessors, (167), 2 states have call successors, (47), 2 states have call predecessors, (47), 2 states have return successors, (44), 2 states have call predecessors, (44), 2 states have call successors, (44) [2021-12-06 23:05:05,690 INFO L276 IsEmpty]: Start isEmpty. Operand 83003 states and 116504 transitions. [2021-12-06 23:05:05,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 576 [2021-12-06 23:05:05,772 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 23:05:05,772 INFO L514 BasicCegarLoop]: trace histogram [36, 14, 14, 14, 14, 14, 12, 12, 12, 12, 12, 12, 12, 12, 9, 9, 9, 9, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:05:05,831 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0687c60f-dd5c-4443-9d57-78d3c929a1c6/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (34)] Ended with exit code 0 [2021-12-06 23:05:05,973 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 34 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0687c60f-dd5c-4443-9d57-78d3c929a1c6/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-06 23:05:05,973 INFO L402 AbstractCegarLoop]: === Iteration 34 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 23:05:05,973 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:05:05,974 INFO L85 PathProgramCache]: Analyzing trace with hash 840254481, now seen corresponding path program 1 times [2021-12-06 23:05:05,976 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 23:05:05,976 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1969033111] [2021-12-06 23:05:05,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:05:05,976 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 23:05:05,976 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0687c60f-dd5c-4443-9d57-78d3c929a1c6/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 23:05:05,977 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0687c60f-dd5c-4443-9d57-78d3c929a1c6/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 23:05:05,977 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0687c60f-dd5c-4443-9d57-78d3c929a1c6/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (35)] Waiting until timeout for monitored process [2021-12-06 23:05:11,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:05:12,159 INFO L263 TraceCheckSpWp]: Trace formula consists of 3661 conjuncts, 3 conjunts are in the unsatisfiable core [2021-12-06 23:05:12,165 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 23:05:13,460 INFO L134 CoverageAnalysis]: Checked inductivity of 2373 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 2316 trivial. 0 not checked. [2021-12-06 23:05:13,460 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 23:05:13,460 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-06 23:05:13,460 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1969033111] [2021-12-06 23:05:13,461 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1969033111] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:05:13,461 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 23:05:13,461 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-06 23:05:13,461 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [430484551] [2021-12-06 23:05:13,461 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:05:13,462 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-06 23:05:13,462 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-06 23:05:13,463 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-06 23:05:13,463 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-06 23:05:13,463 INFO L87 Difference]: Start difference. First operand 83003 states and 116504 transitions. Second operand has 4 states, 4 states have (on average 49.5) internal successors, (198), 4 states have internal predecessors, (198), 2 states have call successors, (54), 2 states have call predecessors, (54), 2 states have return successors, (51), 2 states have call predecessors, (51), 2 states have call successors, (51) [2021-12-06 23:05:16,000 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 23:05:17,959 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 23:05:17,959 INFO L93 Difference]: Finished difference Result 165987 states and 233012 transitions. [2021-12-06 23:05:17,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-06 23:05:17,960 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 49.5) internal successors, (198), 4 states have internal predecessors, (198), 2 states have call successors, (54), 2 states have call predecessors, (54), 2 states have return successors, (51), 2 states have call predecessors, (51), 2 states have call successors, (51) Word has length 575 [2021-12-06 23:05:17,961 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 23:05:18,224 INFO L225 Difference]: With dead ends: 165987 [2021-12-06 23:05:18,225 INFO L226 Difference]: Without dead ends: 83037 [2021-12-06 23:05:18,404 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 575 GetRequests, 572 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-06 23:05:18,405 INFO L933 BasicCegarLoop]: 1880 mSDtfsCounter, 1 mSDsluCounter, 3755 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 5635 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2021-12-06 23:05:18,405 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1 Valid, 5635 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 1 Unknown, 0 Unchecked, 2.1s Time] [2021-12-06 23:05:18,470 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83037 states. [2021-12-06 23:05:21,179 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83037 to 83037. [2021-12-06 23:05:21,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83037 states, 61224 states have (on average 1.324970599764798) internal successors, (81120), 62623 states have internal predecessors, (81120), 17034 states have call successors, (17034), 4564 states have call predecessors, (17034), 4778 states have return successors, (18384), 16574 states have call predecessors, (18384), 17033 states have call successors, (18384) [2021-12-06 23:05:21,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83037 states to 83037 states and 116538 transitions. [2021-12-06 23:05:21,480 INFO L78 Accepts]: Start accepts. Automaton has 83037 states and 116538 transitions. Word has length 575 [2021-12-06 23:05:21,480 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 23:05:21,480 INFO L470 AbstractCegarLoop]: Abstraction has 83037 states and 116538 transitions. [2021-12-06 23:05:21,480 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 49.5) internal successors, (198), 4 states have internal predecessors, (198), 2 states have call successors, (54), 2 states have call predecessors, (54), 2 states have return successors, (51), 2 states have call predecessors, (51), 2 states have call successors, (51) [2021-12-06 23:05:21,480 INFO L276 IsEmpty]: Start isEmpty. Operand 83037 states and 116538 transitions. [2021-12-06 23:05:21,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 579 [2021-12-06 23:05:21,559 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 23:05:21,560 INFO L514 BasicCegarLoop]: trace histogram [36, 14, 14, 14, 14, 14, 12, 12, 12, 12, 12, 12, 12, 12, 9, 9, 9, 9, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:05:21,624 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0687c60f-dd5c-4443-9d57-78d3c929a1c6/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (35)] Forceful destruction successful, exit code 0 [2021-12-06 23:05:21,761 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 35 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0687c60f-dd5c-4443-9d57-78d3c929a1c6/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-06 23:05:21,762 INFO L402 AbstractCegarLoop]: === Iteration 35 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 23:05:21,762 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:05:21,763 INFO L85 PathProgramCache]: Analyzing trace with hash 703585051, now seen corresponding path program 1 times [2021-12-06 23:05:21,770 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 23:05:21,770 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [974154366] [2021-12-06 23:05:21,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:05:21,771 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 23:05:21,771 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0687c60f-dd5c-4443-9d57-78d3c929a1c6/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 23:05:21,773 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0687c60f-dd5c-4443-9d57-78d3c929a1c6/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 23:05:21,776 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0687c60f-dd5c-4443-9d57-78d3c929a1c6/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (36)] Waiting until timeout for monitored process [2021-12-06 23:05:27,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:05:28,078 INFO L263 TraceCheckSpWp]: Trace formula consists of 3684 conjuncts, 4 conjunts are in the unsatisfiable core [2021-12-06 23:05:28,085 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 23:05:29,682 INFO L134 CoverageAnalysis]: Checked inductivity of 2373 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 2316 trivial. 0 not checked. [2021-12-06 23:05:29,683 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 23:05:29,683 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-06 23:05:29,683 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [974154366] [2021-12-06 23:05:29,683 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [974154366] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:05:29,683 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 23:05:29,684 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-06 23:05:29,684 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [379291397] [2021-12-06 23:05:29,684 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:05:29,685 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-06 23:05:29,685 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-06 23:05:29,685 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-06 23:05:29,685 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-06 23:05:29,685 INFO L87 Difference]: Start difference. First operand 83037 states and 116538 transitions. Second operand has 5 states, 5 states have (on average 40.2) internal successors, (201), 5 states have internal predecessors, (201), 3 states have call successors, (54), 2 states have call predecessors, (54), 2 states have return successors, (51), 3 states have call predecessors, (51), 3 states have call successors, (51) [2021-12-06 23:05:32,455 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 23:05:34,236 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 23:05:34,236 INFO L93 Difference]: Finished difference Result 166072 states and 233097 transitions. [2021-12-06 23:05:34,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-06 23:05:34,237 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 40.2) internal successors, (201), 5 states have internal predecessors, (201), 3 states have call successors, (54), 2 states have call predecessors, (54), 2 states have return successors, (51), 3 states have call predecessors, (51), 3 states have call successors, (51) Word has length 578 [2021-12-06 23:05:34,238 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 23:05:34,499 INFO L225 Difference]: With dead ends: 166072 [2021-12-06 23:05:34,499 INFO L226 Difference]: Without dead ends: 83088 [2021-12-06 23:05:34,671 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 579 GetRequests, 574 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-12-06 23:05:34,672 INFO L933 BasicCegarLoop]: 1879 mSDtfsCounter, 8 mSDsluCounter, 5614 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 7493 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2021-12-06 23:05:34,672 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10 Valid, 7493 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 12 Invalid, 1 Unknown, 0 Unchecked, 2.2s Time] [2021-12-06 23:05:34,734 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83088 states. [2021-12-06 23:05:37,365 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83088 to 83054. [2021-12-06 23:05:37,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83054 states, 61241 states have (on average 1.3248803905880047) internal successors, (81137), 62640 states have internal predecessors, (81137), 17034 states have call successors, (17034), 4564 states have call predecessors, (17034), 4778 states have return successors, (18384), 16574 states have call predecessors, (18384), 17033 states have call successors, (18384) [2021-12-06 23:05:37,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83054 states to 83054 states and 116555 transitions. [2021-12-06 23:05:37,654 INFO L78 Accepts]: Start accepts. Automaton has 83054 states and 116555 transitions. Word has length 578 [2021-12-06 23:05:37,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 23:05:37,655 INFO L470 AbstractCegarLoop]: Abstraction has 83054 states and 116555 transitions. [2021-12-06 23:05:37,655 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 40.2) internal successors, (201), 5 states have internal predecessors, (201), 3 states have call successors, (54), 2 states have call predecessors, (54), 2 states have return successors, (51), 3 states have call predecessors, (51), 3 states have call successors, (51) [2021-12-06 23:05:37,655 INFO L276 IsEmpty]: Start isEmpty. Operand 83054 states and 116555 transitions. [2021-12-06 23:05:37,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 588 [2021-12-06 23:05:37,741 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 23:05:37,742 INFO L514 BasicCegarLoop]: trace histogram [36, 14, 14, 14, 14, 14, 12, 12, 12, 12, 12, 12, 12, 12, 9, 9, 9, 9, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:05:37,807 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0687c60f-dd5c-4443-9d57-78d3c929a1c6/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (36)] Forceful destruction successful, exit code 0 [2021-12-06 23:05:37,942 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 36 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0687c60f-dd5c-4443-9d57-78d3c929a1c6/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-06 23:05:37,943 INFO L402 AbstractCegarLoop]: === Iteration 36 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 23:05:37,944 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:05:37,945 INFO L85 PathProgramCache]: Analyzing trace with hash 1938408616, now seen corresponding path program 1 times [2021-12-06 23:05:37,952 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 23:05:37,952 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [469082054] [2021-12-06 23:05:37,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:05:37,953 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 23:05:37,953 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0687c60f-dd5c-4443-9d57-78d3c929a1c6/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 23:05:37,955 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0687c60f-dd5c-4443-9d57-78d3c929a1c6/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 23:05:37,958 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0687c60f-dd5c-4443-9d57-78d3c929a1c6/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (37)] Waiting until timeout for monitored process [2021-12-06 23:05:44,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:05:44,516 INFO L263 TraceCheckSpWp]: Trace formula consists of 3704 conjuncts, 4 conjunts are in the unsatisfiable core [2021-12-06 23:05:44,523 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 23:05:45,882 INFO L134 CoverageAnalysis]: Checked inductivity of 2383 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 2324 trivial. 0 not checked. [2021-12-06 23:05:45,882 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 23:05:45,882 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-06 23:05:45,882 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [469082054] [2021-12-06 23:05:45,883 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [469082054] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:05:45,883 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 23:05:45,883 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-06 23:05:45,883 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [24623043] [2021-12-06 23:05:45,883 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:05:45,884 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-06 23:05:45,884 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-06 23:05:45,884 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-06 23:05:45,884 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-06 23:05:45,885 INFO L87 Difference]: Start difference. First operand 83054 states and 116555 transitions. Second operand has 5 states, 5 states have (on average 41.0) internal successors, (205), 4 states have internal predecessors, (205), 2 states have call successors, (55), 2 states have call predecessors, (55), 3 states have return successors, (52), 3 states have call predecessors, (52), 2 states have call successors, (52) [2021-12-06 23:05:48,009 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 23:05:52,162 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 23:05:52,162 INFO L93 Difference]: Finished difference Result 230414 states and 322758 transitions. [2021-12-06 23:05:52,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-06 23:05:52,163 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 41.0) internal successors, (205), 4 states have internal predecessors, (205), 2 states have call successors, (55), 2 states have call predecessors, (55), 3 states have return successors, (52), 3 states have call predecessors, (52), 2 states have call successors, (52) Word has length 587 [2021-12-06 23:05:52,163 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 23:05:52,711 INFO L225 Difference]: With dead ends: 230414 [2021-12-06 23:05:52,711 INFO L226 Difference]: Without dead ends: 147413 [2021-12-06 23:05:52,920 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 588 GetRequests, 583 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-12-06 23:05:52,921 INFO L933 BasicCegarLoop]: 3650 mSDtfsCounter, 1772 mSDsluCounter, 9173 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1774 SdHoareTripleChecker+Valid, 12823 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2021-12-06 23:05:52,921 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1774 Valid, 12823 Invalid, 17 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2021-12-06 23:05:53,029 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147413 states. [2021-12-06 23:05:58,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147413 to 147364. [2021-12-06 23:05:58,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 147364 states, 108779 states have (on average 1.3200617766296803) internal successors, (143595), 111262 states have internal predecessors, (143595), 30093 states have call successors, (30093), 8079 states have call predecessors, (30093), 8491 states have return successors, (32523), 29294 states have call predecessors, (32523), 30092 states have call successors, (32523) [2021-12-06 23:05:59,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147364 states to 147364 states and 206211 transitions. [2021-12-06 23:05:59,040 INFO L78 Accepts]: Start accepts. Automaton has 147364 states and 206211 transitions. Word has length 587 [2021-12-06 23:05:59,041 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 23:05:59,041 INFO L470 AbstractCegarLoop]: Abstraction has 147364 states and 206211 transitions. [2021-12-06 23:05:59,041 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 41.0) internal successors, (205), 4 states have internal predecessors, (205), 2 states have call successors, (55), 2 states have call predecessors, (55), 3 states have return successors, (52), 3 states have call predecessors, (52), 2 states have call successors, (52) [2021-12-06 23:05:59,041 INFO L276 IsEmpty]: Start isEmpty. Operand 147364 states and 206211 transitions. [2021-12-06 23:05:59,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 590 [2021-12-06 23:05:59,132 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 23:05:59,132 INFO L514 BasicCegarLoop]: trace histogram [36, 14, 14, 14, 14, 14, 12, 12, 12, 12, 12, 12, 12, 12, 9, 9, 9, 9, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:05:59,197 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0687c60f-dd5c-4443-9d57-78d3c929a1c6/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (37)] Forceful destruction successful, exit code 0 [2021-12-06 23:05:59,333 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 37 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0687c60f-dd5c-4443-9d57-78d3c929a1c6/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-06 23:05:59,335 INFO L402 AbstractCegarLoop]: === Iteration 37 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 23:05:59,336 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:05:59,337 INFO L85 PathProgramCache]: Analyzing trace with hash -294075517, now seen corresponding path program 1 times [2021-12-06 23:05:59,344 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 23:05:59,345 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1559068012] [2021-12-06 23:05:59,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:05:59,345 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 23:05:59,346 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0687c60f-dd5c-4443-9d57-78d3c929a1c6/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 23:05:59,348 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0687c60f-dd5c-4443-9d57-78d3c929a1c6/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 23:05:59,350 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0687c60f-dd5c-4443-9d57-78d3c929a1c6/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (38)] Waiting until timeout for monitored process [2021-12-06 23:06:05,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:06:05,706 INFO L263 TraceCheckSpWp]: Trace formula consists of 3708 conjuncts, 4 conjunts are in the unsatisfiable core [2021-12-06 23:06:05,713 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 23:06:07,016 INFO L134 CoverageAnalysis]: Checked inductivity of 2388 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 2326 trivial. 0 not checked. [2021-12-06 23:06:07,016 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 23:06:07,016 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-06 23:06:07,016 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1559068012] [2021-12-06 23:06:07,016 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1559068012] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:06:07,016 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 23:06:07,017 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-06 23:06:07,017 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [644258752] [2021-12-06 23:06:07,017 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:06:07,018 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-06 23:06:07,018 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-06 23:06:07,018 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-06 23:06:07,018 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-06 23:06:07,019 INFO L87 Difference]: Start difference. First operand 147364 states and 206211 transitions. Second operand has 5 states, 5 states have (on average 41.2) internal successors, (206), 4 states have internal predecessors, (206), 2 states have call successors, (55), 2 states have call predecessors, (55), 3 states have return successors, (52), 3 states have call predecessors, (52), 2 states have call successors, (52) [2021-12-06 23:06:09,145 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 23:06:16,759 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 23:06:16,759 INFO L93 Difference]: Finished difference Result 408240 states and 570111 transitions. [2021-12-06 23:06:16,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-06 23:06:16,760 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 41.2) internal successors, (206), 4 states have internal predecessors, (206), 2 states have call successors, (55), 2 states have call predecessors, (55), 3 states have return successors, (52), 3 states have call predecessors, (52), 2 states have call successors, (52) Word has length 589 [2021-12-06 23:06:16,761 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 23:06:17,726 INFO L225 Difference]: With dead ends: 408240 [2021-12-06 23:06:17,726 INFO L226 Difference]: Without dead ends: 260929 [2021-12-06 23:06:18,043 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 590 GetRequests, 585 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-12-06 23:06:18,043 INFO L933 BasicCegarLoop]: 3646 mSDtfsCounter, 1768 mSDsluCounter, 9165 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1770 SdHoareTripleChecker+Valid, 12811 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2021-12-06 23:06:18,044 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1770 Valid, 12811 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2021-12-06 23:06:18,246 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 260929 states. [2021-12-06 23:06:28,697 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 260929 to 260894. [2021-12-06 23:06:28,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 260894 states, 192851 states have (on average 1.3148959559452635) internal successors, (253579), 197229 states have internal predecessors, (253579), 52991 states have call successors, (52991), 14269 states have call predecessors, (52991), 15051 states have return successors, (57345), 51619 states have call predecessors, (57345), 52990 states have call successors, (57345) [2021-12-06 23:06:29,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260894 states to 260894 states and 363915 transitions. [2021-12-06 23:06:29,974 INFO L78 Accepts]: Start accepts. Automaton has 260894 states and 363915 transitions. Word has length 589 [2021-12-06 23:06:29,975 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 23:06:29,975 INFO L470 AbstractCegarLoop]: Abstraction has 260894 states and 363915 transitions. [2021-12-06 23:06:29,975 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 41.2) internal successors, (206), 4 states have internal predecessors, (206), 2 states have call successors, (55), 2 states have call predecessors, (55), 3 states have return successors, (52), 3 states have call predecessors, (52), 2 states have call successors, (52) [2021-12-06 23:06:29,975 INFO L276 IsEmpty]: Start isEmpty. Operand 260894 states and 363915 transitions. [2021-12-06 23:06:30,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 619 [2021-12-06 23:06:30,094 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 23:06:30,094 INFO L514 BasicCegarLoop]: trace histogram [36, 14, 14, 14, 14, 14, 12, 12, 12, 12, 12, 12, 12, 12, 9, 9, 9, 9, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:06:30,162 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0687c60f-dd5c-4443-9d57-78d3c929a1c6/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (38)] Ended with exit code 0 [2021-12-06 23:06:30,295 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 38 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0687c60f-dd5c-4443-9d57-78d3c929a1c6/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-06 23:06:30,296 INFO L402 AbstractCegarLoop]: === Iteration 38 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 23:06:30,297 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:06:30,298 INFO L85 PathProgramCache]: Analyzing trace with hash 829518670, now seen corresponding path program 1 times [2021-12-06 23:06:30,305 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 23:06:30,305 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [819687085] [2021-12-06 23:06:30,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:06:30,306 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 23:06:30,307 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0687c60f-dd5c-4443-9d57-78d3c929a1c6/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 23:06:30,309 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0687c60f-dd5c-4443-9d57-78d3c929a1c6/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 23:06:30,311 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0687c60f-dd5c-4443-9d57-78d3c929a1c6/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (39)] Waiting until timeout for monitored process [2021-12-06 23:06:36,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:06:37,022 INFO L263 TraceCheckSpWp]: Trace formula consists of 3906 conjuncts, 3 conjunts are in the unsatisfiable core [2021-12-06 23:06:37,029 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 23:06:38,695 INFO L134 CoverageAnalysis]: Checked inductivity of 2396 backedges. 67 proven. 0 refuted. 0 times theorem prover too weak. 2329 trivial. 0 not checked. [2021-12-06 23:06:38,695 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 23:06:38,696 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-06 23:06:38,696 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [819687085] [2021-12-06 23:06:38,696 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [819687085] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:06:38,696 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 23:06:38,696 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-06 23:06:38,697 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [408077331] [2021-12-06 23:06:38,697 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:06:38,698 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-06 23:06:38,698 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-06 23:06:38,698 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-06 23:06:38,698 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-06 23:06:38,699 INFO L87 Difference]: Start difference. First operand 260894 states and 363915 transitions. Second operand has 4 states, 4 states have (on average 54.5) internal successors, (218), 4 states have internal predecessors, (218), 4 states have call successors, (61), 2 states have call predecessors, (61), 3 states have return successors, (58), 4 states have call predecessors, (58), 4 states have call successors, (58) [2021-12-06 23:06:47,487 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 23:06:47,487 INFO L93 Difference]: Finished difference Result 530150 states and 740793 transitions. [2021-12-06 23:06:47,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-06 23:06:47,489 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 54.5) internal successors, (218), 4 states have internal predecessors, (218), 4 states have call successors, (61), 2 states have call predecessors, (61), 3 states have return successors, (58), 4 states have call predecessors, (58), 4 states have call successors, (58) Word has length 618 [2021-12-06 23:06:47,489 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 23:06:48,467 INFO L225 Difference]: With dead ends: 530150 [2021-12-06 23:06:48,467 INFO L226 Difference]: Without dead ends: 269309 [2021-12-06 23:06:49,169 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 618 GetRequests, 615 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-06 23:06:49,170 INFO L933 BasicCegarLoop]: 1884 mSDtfsCounter, 29 mSDsluCounter, 3734 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 5618 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-12-06 23:06:49,170 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [36 Valid, 5618 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-12-06 23:06:49,364 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 269309 states. [2021-12-06 23:06:59,687 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 269309 to 263417. [2021-12-06 23:06:59,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 263417 states, 194591 states have (on average 1.3156569419962896) internal successors, (256015), 199143 states have internal predecessors, (256015), 53687 states have call successors, (53687), 14269 states have call predecessors, (53687), 15138 states have return successors, (58215), 52315 states have call predecessors, (58215), 53686 states have call successors, (58215) [2021-12-06 23:07:00,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263417 states to 263417 states and 367917 transitions. [2021-12-06 23:07:00,843 INFO L78 Accepts]: Start accepts. Automaton has 263417 states and 367917 transitions. Word has length 618 [2021-12-06 23:07:00,844 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 23:07:00,844 INFO L470 AbstractCegarLoop]: Abstraction has 263417 states and 367917 transitions. [2021-12-06 23:07:00,844 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 54.5) internal successors, (218), 4 states have internal predecessors, (218), 4 states have call successors, (61), 2 states have call predecessors, (61), 3 states have return successors, (58), 4 states have call predecessors, (58), 4 states have call successors, (58) [2021-12-06 23:07:00,844 INFO L276 IsEmpty]: Start isEmpty. Operand 263417 states and 367917 transitions. [2021-12-06 23:07:01,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 667 [2021-12-06 23:07:01,157 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 23:07:01,157 INFO L514 BasicCegarLoop]: trace histogram [36, 14, 14, 14, 14, 14, 12, 12, 12, 12, 12, 12, 12, 12, 9, 9, 9, 9, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:07:01,225 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0687c60f-dd5c-4443-9d57-78d3c929a1c6/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (39)] Ended with exit code 0 [2021-12-06 23:07:01,358 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 39 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0687c60f-dd5c-4443-9d57-78d3c929a1c6/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-06 23:07:01,359 INFO L402 AbstractCegarLoop]: === Iteration 39 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 23:07:01,360 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:07:01,361 INFO L85 PathProgramCache]: Analyzing trace with hash -1601566332, now seen corresponding path program 1 times [2021-12-06 23:07:01,368 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 23:07:01,369 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2063157788] [2021-12-06 23:07:01,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:07:01,369 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 23:07:01,370 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0687c60f-dd5c-4443-9d57-78d3c929a1c6/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 23:07:01,372 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0687c60f-dd5c-4443-9d57-78d3c929a1c6/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 23:07:01,374 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0687c60f-dd5c-4443-9d57-78d3c929a1c6/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (40)] Waiting until timeout for monitored process [2021-12-06 23:07:07,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:07:08,127 INFO L263 TraceCheckSpWp]: Trace formula consists of 4091 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-06 23:07:08,135 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 23:07:10,052 INFO L134 CoverageAnalysis]: Checked inductivity of 2404 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 2329 trivial. 0 not checked. [2021-12-06 23:07:10,052 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 23:07:10,053 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-06 23:07:10,053 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2063157788] [2021-12-06 23:07:10,053 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2063157788] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:07:10,053 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 23:07:10,053 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 23:07:10,054 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [643530601] [2021-12-06 23:07:10,054 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:07:10,055 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 23:07:10,055 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-06 23:07:10,055 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 23:07:10,055 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 23:07:10,055 INFO L87 Difference]: Start difference. First operand 263417 states and 367917 transitions. Second operand has 3 states, 3 states have (on average 83.33333333333333) internal successors, (250), 3 states have internal predecessors, (250), 2 states have call successors, (69), 2 states have call predecessors, (69), 2 states have return successors, (66), 2 states have call predecessors, (66), 2 states have call successors, (66) [2021-12-06 23:07:18,055 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 23:07:18,056 INFO L93 Difference]: Finished difference Result 527291 states and 743993 transitions. [2021-12-06 23:07:18,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 23:07:18,056 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 83.33333333333333) internal successors, (250), 3 states have internal predecessors, (250), 2 states have call successors, (69), 2 states have call predecessors, (69), 2 states have return successors, (66), 2 states have call predecessors, (66), 2 states have call successors, (66) Word has length 666 [2021-12-06 23:07:18,057 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 23:07:19,113 INFO L225 Difference]: With dead ends: 527291 [2021-12-06 23:07:19,114 INFO L226 Difference]: Without dead ends: 263927