./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--usb--class--cdc-acm.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e04fb08f Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b14c2621-c493-4627-9f0a-0e7cad39a17b/bin/uautomizer-tPACEb0tL8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b14c2621-c493-4627-9f0a-0e7cad39a17b/bin/uautomizer-tPACEb0tL8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b14c2621-c493-4627-9f0a-0e7cad39a17b/bin/uautomizer-tPACEb0tL8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b14c2621-c493-4627-9f0a-0e7cad39a17b/bin/uautomizer-tPACEb0tL8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--usb--class--cdc-acm.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b14c2621-c493-4627-9f0a-0e7cad39a17b/bin/uautomizer-tPACEb0tL8/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b14c2621-c493-4627-9f0a-0e7cad39a17b/bin/uautomizer-tPACEb0tL8 --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 36ffbabf76f0a0e87302d8b80308134217d4fdef380ae154dfcdec710817c6e2 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-e04fb08 [2022-11-16 11:01:25,607 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 11:01:25,609 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 11:01:25,642 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 11:01:25,642 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 11:01:25,654 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 11:01:25,656 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 11:01:25,658 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 11:01:25,659 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 11:01:25,660 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 11:01:25,661 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 11:01:25,662 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 11:01:25,663 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 11:01:25,664 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 11:01:25,665 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 11:01:25,666 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 11:01:25,670 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 11:01:25,677 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 11:01:25,684 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 11:01:25,688 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 11:01:25,690 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 11:01:25,699 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 11:01:25,700 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 11:01:25,701 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 11:01:25,705 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 11:01:25,706 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 11:01:25,706 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 11:01:25,707 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 11:01:25,707 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 11:01:25,708 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 11:01:25,709 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 11:01:25,710 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 11:01:25,711 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 11:01:25,715 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 11:01:25,717 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 11:01:25,718 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 11:01:25,719 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 11:01:25,719 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 11:01:25,719 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 11:01:25,720 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 11:01:25,721 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 11:01:25,722 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b14c2621-c493-4627-9f0a-0e7cad39a17b/bin/uautomizer-tPACEb0tL8/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-16 11:01:25,771 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 11:01:25,772 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 11:01:25,772 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 11:01:25,773 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 11:01:25,774 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 11:01:25,774 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 11:01:25,775 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 11:01:25,775 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 11:01:25,775 INFO L138 SettingsManager]: * Use SBE=true [2022-11-16 11:01:25,775 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 11:01:25,777 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 11:01:25,777 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 11:01:25,777 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 11:01:25,778 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 11:01:25,778 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 11:01:25,778 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 11:01:25,778 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 11:01:25,778 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 11:01:25,779 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 11:01:25,779 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 11:01:25,779 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 11:01:25,780 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 11:01:25,780 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 11:01:25,780 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 11:01:25,780 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 11:01:25,781 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-16 11:01:25,781 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-16 11:01:25,781 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-16 11:01:25,781 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-16 11:01:25,782 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 11:01:25,782 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_b14c2621-c493-4627-9f0a-0e7cad39a17b/bin/uautomizer-tPACEb0tL8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b14c2621-c493-4627-9f0a-0e7cad39a17b/bin/uautomizer-tPACEb0tL8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 36ffbabf76f0a0e87302d8b80308134217d4fdef380ae154dfcdec710817c6e2 [2022-11-16 11:01:26,083 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 11:01:26,117 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 11:01:26,120 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 11:01:26,121 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 11:01:26,123 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 11:01:26,125 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b14c2621-c493-4627-9f0a-0e7cad39a17b/bin/uautomizer-tPACEb0tL8/../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--usb--class--cdc-acm.ko-entry_point.cil.out.i [2022-11-16 11:01:26,194 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b14c2621-c493-4627-9f0a-0e7cad39a17b/bin/uautomizer-tPACEb0tL8/data/0556f2b39/8e428c2d87084a65bee6f9b09e705540/FLAG9d60e8fdc [2022-11-16 11:01:27,124 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 11:01:27,124 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b14c2621-c493-4627-9f0a-0e7cad39a17b/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--usb--class--cdc-acm.ko-entry_point.cil.out.i [2022-11-16 11:01:27,179 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b14c2621-c493-4627-9f0a-0e7cad39a17b/bin/uautomizer-tPACEb0tL8/data/0556f2b39/8e428c2d87084a65bee6f9b09e705540/FLAG9d60e8fdc [2022-11-16 11:01:27,584 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b14c2621-c493-4627-9f0a-0e7cad39a17b/bin/uautomizer-tPACEb0tL8/data/0556f2b39/8e428c2d87084a65bee6f9b09e705540 [2022-11-16 11:01:27,589 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 11:01:27,592 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 11:01:27,594 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 11:01:27,594 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 11:01:27,598 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 11:01:27,599 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:01:27" (1/1) ... [2022-11-16 11:01:27,600 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f7369e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:01:27, skipping insertion in model container [2022-11-16 11:01:27,600 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:01:27" (1/1) ... [2022-11-16 11:01:27,608 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 11:01:27,753 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 11:01:28,307 WARN L1255 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [3834] [2022-11-16 11:01:28,308 WARN L1255 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [3835-3836] [2022-11-16 11:01:28,731 WARN L229 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_b14c2621-c493-4627-9f0a-0e7cad39a17b/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--usb--class--cdc-acm.ko-entry_point.cil.out.i[119274,119287] [2022-11-16 11:01:29,766 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 11:01:29,829 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 11:01:29,922 WARN L1255 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [3834] [2022-11-16 11:01:29,922 WARN L1255 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [3835-3836] [2022-11-16 11:01:29,970 WARN L229 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_b14c2621-c493-4627-9f0a-0e7cad39a17b/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--usb--class--cdc-acm.ko-entry_point.cil.out.i[119274,119287] [2022-11-16 11:01:30,275 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 11:01:30,448 INFO L208 MainTranslator]: Completed translation [2022-11-16 11:01:30,449 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:01:30 WrapperNode [2022-11-16 11:01:30,449 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 11:01:30,450 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 11:01:30,450 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 11:01:30,451 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 11:01:30,459 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:01:30" (1/1) ... [2022-11-16 11:01:30,566 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:01:30" (1/1) ... [2022-11-16 11:01:30,808 INFO L138 Inliner]: procedures = 264, calls = 3761, calls flagged for inlining = 131, calls inlined = 111, statements flattened = 6562 [2022-11-16 11:01:30,809 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 11:01:30,809 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 11:01:30,810 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 11:01:30,810 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 11:01:30,823 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:01:30" (1/1) ... [2022-11-16 11:01:30,823 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:01:30" (1/1) ... [2022-11-16 11:01:30,869 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:01:30" (1/1) ... [2022-11-16 11:01:30,869 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:01:30" (1/1) ... [2022-11-16 11:01:31,106 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:01:30" (1/1) ... [2022-11-16 11:01:31,132 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:01:30" (1/1) ... [2022-11-16 11:01:31,179 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:01:30" (1/1) ... [2022-11-16 11:01:31,201 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:01:30" (1/1) ... [2022-11-16 11:01:31,240 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 11:01:31,242 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 11:01:31,243 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 11:01:31,243 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 11:01:31,244 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:01:30" (1/1) ... [2022-11-16 11:01:31,253 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 11:01:31,264 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b14c2621-c493-4627-9f0a-0e7cad39a17b/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:01:31,285 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b14c2621-c493-4627-9f0a-0e7cad39a17b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-16 11:01:31,307 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b14c2621-c493-4627-9f0a-0e7cad39a17b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-16 11:01:31,328 INFO L130 BoogieDeclarations]: Found specification of procedure acm_disconnect [2022-11-16 11:01:31,328 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_disconnect [2022-11-16 11:01:31,328 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_tty_hangup [2022-11-16 11:01:31,328 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_port_tty_hangup [2022-11-16 11:01:31,329 INFO L130 BoogieDeclarations]: Found specification of procedure __cmpxchg_wrong_size [2022-11-16 11:01:31,329 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2022-11-16 11:01:31,329 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2022-11-16 11:01:31,329 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2022-11-16 11:01:31,329 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2022-11-16 11:01:31,329 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2022-11-16 11:01:31,329 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-16 11:01:31,330 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-16 11:01:31,330 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-16 11:01:31,330 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-16 11:01:31,330 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_int [2022-11-16 11:01:31,330 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_int [2022-11-16 11:01:31,330 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_cleanup [2022-11-16 11:01:31,331 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_cleanup [2022-11-16 11:01:31,331 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-11-16 11:01:31,331 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-11-16 11:01:31,331 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2022-11-16 11:01:31,331 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2022-11-16 11:01:31,331 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-16 11:01:31,332 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-16 11:01:31,332 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_maxp [2022-11-16 11:01:31,332 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_maxp [2022-11-16 11:01:31,332 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_get_interface [2022-11-16 11:01:31,332 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_get_interface [2022-11-16 11:01:31,332 INFO L130 BoogieDeclarations]: Found specification of procedure acm_write_buffers_free [2022-11-16 11:01:31,332 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_write_buffers_free [2022-11-16 11:01:31,333 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-11-16 11:01:31,333 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-11-16 11:01:31,333 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2022-11-16 11:01:31,333 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2022-11-16 11:01:31,333 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-16 11:01:31,333 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-16 11:01:31,334 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_in [2022-11-16 11:01:31,334 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_in [2022-11-16 11:01:31,334 INFO L130 BoogieDeclarations]: Found specification of procedure device_create_file [2022-11-16 11:01:31,334 INFO L138 BoogieDeclarations]: Found implementation of procedure device_create_file [2022-11-16 11:01:31,335 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-16 11:01:31,335 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-16 11:01:31,335 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-16 11:01:31,335 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-16 11:01:31,335 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-16 11:01:31,336 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-16 11:01:31,336 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_put [2022-11-16 11:01:31,336 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_port_put [2022-11-16 11:01:31,336 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_chars_in_buffer [2022-11-16 11:01:31,336 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_chars_in_buffer [2022-11-16 11:01:31,336 INFO L130 BoogieDeclarations]: Found specification of procedure acm_resume [2022-11-16 11:01:31,337 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_resume [2022-11-16 11:01:31,337 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-16 11:01:31,339 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-16 11:01:31,339 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-16 11:01:31,340 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-11-16 11:01:31,340 INFO L130 BoogieDeclarations]: Found specification of procedure acm_ctrl_msg [2022-11-16 11:01:31,340 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_ctrl_msg [2022-11-16 11:01:31,340 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_coherent [2022-11-16 11:01:31,341 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_coherent [2022-11-16 11:01:31,341 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-16 11:01:31,341 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_hangup [2022-11-16 11:01:31,341 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_hangup [2022-11-16 11:01:31,341 INFO L130 BoogieDeclarations]: Found specification of procedure usb_ifnum_to_if [2022-11-16 11:01:31,341 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_ifnum_to_if [2022-11-16 11:01:31,342 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2022-11-16 11:01:31,342 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2022-11-16 11:01:31,343 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-16 11:01:31,343 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-16 11:01:31,343 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-16 11:01:31,343 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-16 11:01:31,343 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2022-11-16 11:01:31,343 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2022-11-16 11:01:31,344 INFO L130 BoogieDeclarations]: Found specification of procedure put_tty_driver [2022-11-16 11:01:31,344 INFO L138 BoogieDeclarations]: Found implementation of procedure put_tty_driver [2022-11-16 11:01:31,344 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-11-16 11:01:31,344 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-11-16 11:01:31,344 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_tiocmget [2022-11-16 11:01:31,344 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_tiocmget [2022-11-16 11:01:31,345 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2022-11-16 11:01:31,345 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2022-11-16 11:01:31,345 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_set_termios [2022-11-16 11:01:31,345 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_set_termios [2022-11-16 11:01:31,345 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_from_anchor [2022-11-16 11:01:31,345 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_from_anchor [2022-11-16 11:01:31,345 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2022-11-16 11:01:31,346 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2022-11-16 11:01:31,346 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-16 11:01:31,347 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-11-16 11:01:31,347 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-11-16 11:01:31,347 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2022-11-16 11:01:31,347 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2022-11-16 11:01:31,348 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_break_ctl [2022-11-16 11:01:31,348 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_break_ctl [2022-11-16 11:01:31,349 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-11-16 11:01:31,349 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-11-16 11:01:31,349 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-16 11:01:31,349 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_put_interface [2022-11-16 11:01:31,349 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_put_interface [2022-11-16 11:01:31,350 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-16 11:01:31,350 INFO L130 BoogieDeclarations]: Found specification of procedure acm_start_wb [2022-11-16 11:01:31,350 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_start_wb [2022-11-16 11:01:31,350 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_bulk [2022-11-16 11:01:31,350 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_bulk [2022-11-16 11:01:31,350 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-16 11:01:31,351 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-16 11:01:31,351 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2022-11-16 11:01:31,351 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2022-11-16 11:01:31,351 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_throttle [2022-11-16 11:01:31,352 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_throttle [2022-11-16 11:01:31,352 INFO L130 BoogieDeclarations]: Found specification of procedure acm_wb_is_avail [2022-11-16 11:01:31,352 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_wb_is_avail [2022-11-16 11:01:31,352 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-11-16 11:01:31,353 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-11-16 11:01:31,354 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2022-11-16 11:01:31,356 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2022-11-16 11:01:31,357 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-11-16 11:01:31,357 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-11-16 11:01:31,357 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_write_room [2022-11-16 11:01:31,358 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_write_room [2022-11-16 11:01:31,360 INFO L130 BoogieDeclarations]: Found specification of procedure acm_submit_read_urb [2022-11-16 11:01:31,361 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_submit_read_urb [2022-11-16 11:01:31,362 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_int_urb [2022-11-16 11:01:31,363 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_int_urb [2022-11-16 11:01:31,368 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-16 11:01:31,368 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-16 11:01:31,368 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-16 11:01:31,368 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2022-11-16 11:01:31,368 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2022-11-16 11:01:31,369 INFO L130 BoogieDeclarations]: Found specification of procedure acm_write_done [2022-11-16 11:01:31,369 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_write_done [2022-11-16 11:01:31,369 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_ioctl [2022-11-16 11:01:31,369 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_ioctl [2022-11-16 11:01:31,369 INFO L130 BoogieDeclarations]: Found specification of procedure acm_release_minor [2022-11-16 11:01:31,369 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_release_minor [2022-11-16 11:01:31,370 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2022-11-16 11:01:31,370 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2022-11-16 11:01:31,370 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-16 11:01:31,370 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-16 11:01:31,370 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_put_interface_async [2022-11-16 11:01:31,370 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_put_interface_async [2022-11-16 11:01:31,370 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_unthrottle [2022-11-16 11:01:31,371 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_unthrottle [2022-11-16 11:01:31,371 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-16 11:01:31,371 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-16 11:01:31,371 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-16 11:01:31,371 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-16 11:01:31,371 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2022-11-16 11:01:31,371 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2022-11-16 11:01:31,372 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2022-11-16 11:01:31,372 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2022-11-16 11:01:31,372 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_coherent [2022-11-16 11:01:31,372 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_coherent [2022-11-16 11:01:31,372 INFO L130 BoogieDeclarations]: Found specification of procedure acm_port_dtr_rts [2022-11-16 11:01:31,372 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_port_dtr_rts [2022-11-16 11:01:31,372 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2022-11-16 11:01:31,373 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2022-11-16 11:01:31,373 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2022-11-16 11:01:31,373 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2022-11-16 11:01:31,373 INFO L130 BoogieDeclarations]: Found specification of procedure acm_read_buffers_free [2022-11-16 11:01:31,373 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_read_buffers_free [2022-11-16 11:01:31,373 INFO L130 BoogieDeclarations]: Found specification of procedure acm_submit_read_urbs [2022-11-16 11:01:31,373 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_submit_read_urbs [2022-11-16 11:01:31,374 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_install [2022-11-16 11:01:31,374 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_install [2022-11-16 11:01:31,374 INFO L130 BoogieDeclarations]: Found specification of procedure stop_data_traffic [2022-11-16 11:01:31,374 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_data_traffic [2022-11-16 11:01:31,374 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2022-11-16 11:01:31,374 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2022-11-16 11:01:31,374 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-11-16 11:01:31,375 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-11-16 11:01:31,375 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-16 11:01:31,375 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2022-11-16 11:01:31,375 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2022-11-16 11:01:31,375 INFO L130 BoogieDeclarations]: Found specification of procedure device_remove_file [2022-11-16 11:01:31,375 INFO L138 BoogieDeclarations]: Found implementation of procedure device_remove_file [2022-11-16 11:01:31,376 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_tiocmset [2022-11-16 11:01:31,376 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_tiocmset [2022-11-16 11:01:31,376 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 11:01:31,376 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 11:01:31,376 INFO L130 BoogieDeclarations]: Found specification of procedure tty_unregister_driver [2022-11-16 11:01:31,376 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_unregister_driver [2022-11-16 11:01:31,376 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-11-16 11:01:31,377 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-11-16 11:01:32,164 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 11:01:32,169 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 11:01:32,410 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-16 11:01:48,551 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 11:01:48,580 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 11:01:48,580 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-16 11:01:48,585 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:01:48 BoogieIcfgContainer [2022-11-16 11:01:48,585 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 11:01:48,588 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-16 11:01:48,588 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-16 11:01:48,594 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-16 11:01:48,595 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 11:01:27" (1/3) ... [2022-11-16 11:01:48,595 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@bec5391 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:01:48, skipping insertion in model container [2022-11-16 11:01:48,596 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:01:30" (2/3) ... [2022-11-16 11:01:48,596 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@bec5391 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:01:48, skipping insertion in model container [2022-11-16 11:01:48,596 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:01:48" (3/3) ... [2022-11-16 11:01:48,607 INFO L112 eAbstractionObserver]: Analyzing ICFG 43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--usb--class--cdc-acm.ko-entry_point.cil.out.i [2022-11-16 11:01:48,632 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-16 11:01:48,633 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-16 11:01:48,745 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-16 11:01:48,752 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@50d88015, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-16 11:01:48,753 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-16 11:01:48,761 INFO L276 IsEmpty]: Start isEmpty. Operand has 1426 states, 1013 states have (on average 1.3366238894373148) internal successors, (1354), 1028 states have internal predecessors, (1354), 330 states have call successors, (330), 82 states have call predecessors, (330), 81 states have return successors, (322), 322 states have call predecessors, (322), 322 states have call successors, (322) [2022-11-16 11:01:48,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2022-11-16 11:01:48,792 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:01:48,793 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:01:48,793 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:01:48,798 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:01:48,799 INFO L85 PathProgramCache]: Analyzing trace with hash -1990464920, now seen corresponding path program 1 times [2022-11-16 11:01:48,808 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:01:48,809 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1225064978] [2022-11-16 11:01:48,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:01:48,810 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:01:49,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:01:50,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 11:01:50,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:01:50,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-16 11:01:50,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:01:50,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-16 11:01:50,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:01:50,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-16 11:01:50,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:01:50,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-16 11:01:50,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:01:50,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-16 11:01:50,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:01:50,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-16 11:01:50,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:01:50,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-16 11:01:50,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:01:50,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-16 11:01:50,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:01:50,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-11-16 11:01:50,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:01:50,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-11-16 11:01:50,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:01:50,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-11-16 11:01:50,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:01:50,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-11-16 11:01:50,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:01:50,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-16 11:01:50,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:01:50,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2022-11-16 11:01:50,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:01:50,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-16 11:01:50,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:01:50,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-11-16 11:01:50,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:01:50,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-11-16 11:01:50,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:01:50,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-11-16 11:01:50,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:01:50,299 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2022-11-16 11:01:50,300 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:01:50,300 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1225064978] [2022-11-16 11:01:50,301 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1225064978] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:01:50,301 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:01:50,301 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-16 11:01:50,303 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [799107254] [2022-11-16 11:01:50,304 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:01:50,309 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-16 11:01:50,310 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:01:50,348 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-16 11:01:50,349 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-16 11:01:50,354 INFO L87 Difference]: Start difference. First operand has 1426 states, 1013 states have (on average 1.3366238894373148) internal successors, (1354), 1028 states have internal predecessors, (1354), 330 states have call successors, (330), 82 states have call predecessors, (330), 81 states have return successors, (322), 322 states have call predecessors, (322), 322 states have call successors, (322) Second operand has 5 states, 5 states have (on average 10.2) internal successors, (51), 3 states have internal predecessors, (51), 2 states have call successors, (21), 4 states have call predecessors, (21), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-11-16 11:01:56,597 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:01:58,603 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:02:01,514 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:02:03,523 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:02:07,803 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:02:09,818 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:02:12,715 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:02:14,729 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:02:17,900 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:02:17,900 INFO L93 Difference]: Finished difference Result 4201 states and 6076 transitions. [2022-11-16 11:02:17,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-16 11:02:17,903 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 3 states have internal predecessors, (51), 2 states have call successors, (21), 4 states have call predecessors, (21), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 130 [2022-11-16 11:02:17,904 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:02:17,960 INFO L225 Difference]: With dead ends: 4201 [2022-11-16 11:02:17,961 INFO L226 Difference]: Without dead ends: 2739 [2022-11-16 11:02:17,975 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-16 11:02:17,984 INFO L413 NwaCegarLoop]: 1904 mSDtfsCounter, 2596 mSDsluCounter, 3298 mSDsCounter, 0 mSdLazyCounter, 2337 mSolverCounterSat, 1453 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 25.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2829 SdHoareTripleChecker+Valid, 5202 SdHoareTripleChecker+Invalid, 3798 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1453 IncrementalHoareTripleChecker+Valid, 2337 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 27.0s IncrementalHoareTripleChecker+Time [2022-11-16 11:02:17,985 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2829 Valid, 5202 Invalid, 3798 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1453 Valid, 2337 Invalid, 8 Unknown, 0 Unchecked, 27.0s Time] [2022-11-16 11:02:18,010 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2739 states. [2022-11-16 11:02:18,270 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2739 to 2648. [2022-11-16 11:02:18,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2648 states, 1899 states have (on average 1.3280674038967877) internal successors, (2522), 1909 states have internal predecessors, (2522), 589 states have call successors, (589), 160 states have call predecessors, (589), 159 states have return successors, (588), 588 states have call predecessors, (588), 588 states have call successors, (588) [2022-11-16 11:02:18,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2648 states to 2648 states and 3699 transitions. [2022-11-16 11:02:18,305 INFO L78 Accepts]: Start accepts. Automaton has 2648 states and 3699 transitions. Word has length 130 [2022-11-16 11:02:18,306 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:02:18,306 INFO L495 AbstractCegarLoop]: Abstraction has 2648 states and 3699 transitions. [2022-11-16 11:02:18,306 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 3 states have internal predecessors, (51), 2 states have call successors, (21), 4 states have call predecessors, (21), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-11-16 11:02:18,307 INFO L276 IsEmpty]: Start isEmpty. Operand 2648 states and 3699 transitions. [2022-11-16 11:02:18,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2022-11-16 11:02:18,316 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:02:18,316 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:02:18,316 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-16 11:02:18,317 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:02:18,317 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:02:18,317 INFO L85 PathProgramCache]: Analyzing trace with hash -58961866, now seen corresponding path program 1 times [2022-11-16 11:02:18,318 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:02:18,318 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1955480984] [2022-11-16 11:02:18,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:02:18,318 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:02:18,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:02:18,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 11:02:18,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:02:18,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-16 11:02:18,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:02:18,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-16 11:02:18,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:02:18,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-16 11:02:18,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:02:18,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-16 11:02:18,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:02:18,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-16 11:02:18,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:02:18,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-16 11:02:18,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:02:18,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-16 11:02:18,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:02:18,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-16 11:02:18,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:02:18,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-11-16 11:02:18,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:02:19,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-11-16 11:02:19,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:02:19,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-11-16 11:02:19,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:02:19,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-11-16 11:02:19,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:02:19,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-16 11:02:19,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:02:19,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2022-11-16 11:02:19,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:02:19,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2022-11-16 11:02:19,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:02:19,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-16 11:02:19,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:02:19,096 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2022-11-16 11:02:19,096 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:02:19,096 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1955480984] [2022-11-16 11:02:19,097 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1955480984] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:02:19,097 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:02:19,097 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-16 11:02:19,097 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1817540149] [2022-11-16 11:02:19,097 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:02:19,100 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 11:02:19,100 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:02:19,100 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 11:02:19,100 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-16 11:02:19,101 INFO L87 Difference]: Start difference. First operand 2648 states and 3699 transitions. Second operand has 6 states, 6 states have (on average 9.0) internal successors, (54), 3 states have internal predecessors, (54), 2 states have call successors, (20), 4 states have call predecessors, (20), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-11-16 11:02:23,052 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:02:25,060 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:02:31,986 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:02:33,996 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:02:39,134 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:02:41,139 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:02:44,765 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:02:44,765 INFO L93 Difference]: Finished difference Result 7153 states and 10009 transitions. [2022-11-16 11:02:44,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-16 11:02:44,766 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 3 states have internal predecessors, (54), 2 states have call successors, (20), 4 states have call predecessors, (20), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 130 [2022-11-16 11:02:44,766 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:02:44,793 INFO L225 Difference]: With dead ends: 7153 [2022-11-16 11:02:44,793 INFO L226 Difference]: Without dead ends: 4538 [2022-11-16 11:02:44,804 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=53, Invalid=103, Unknown=0, NotChecked=0, Total=156 [2022-11-16 11:02:44,805 INFO L413 NwaCegarLoop]: 1555 mSDtfsCounter, 2645 mSDsluCounter, 3398 mSDsCounter, 0 mSdLazyCounter, 3971 mSolverCounterSat, 1817 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2911 SdHoareTripleChecker+Valid, 4953 SdHoareTripleChecker+Invalid, 5794 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1817 IncrementalHoareTripleChecker+Valid, 3971 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 25.0s IncrementalHoareTripleChecker+Time [2022-11-16 11:02:44,805 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2911 Valid, 4953 Invalid, 5794 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1817 Valid, 3971 Invalid, 6 Unknown, 0 Unchecked, 25.0s Time] [2022-11-16 11:02:44,812 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4538 states. [2022-11-16 11:02:45,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4538 to 4377. [2022-11-16 11:02:45,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4377 states, 3118 states have (on average 1.313662604233483) internal successors, (4096), 3137 states have internal predecessors, (4096), 978 states have call successors, (978), 281 states have call predecessors, (978), 280 states have return successors, (977), 976 states have call predecessors, (977), 977 states have call successors, (977) [2022-11-16 11:02:45,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4377 states to 4377 states and 6051 transitions. [2022-11-16 11:02:45,063 INFO L78 Accepts]: Start accepts. Automaton has 4377 states and 6051 transitions. Word has length 130 [2022-11-16 11:02:45,064 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:02:45,064 INFO L495 AbstractCegarLoop]: Abstraction has 4377 states and 6051 transitions. [2022-11-16 11:02:45,064 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 3 states have internal predecessors, (54), 2 states have call successors, (20), 4 states have call predecessors, (20), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-11-16 11:02:45,066 INFO L276 IsEmpty]: Start isEmpty. Operand 4377 states and 6051 transitions. [2022-11-16 11:02:45,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2022-11-16 11:02:45,074 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:02:45,075 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:02:45,075 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-16 11:02:45,075 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:02:45,076 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:02:45,076 INFO L85 PathProgramCache]: Analyzing trace with hash -1944371642, now seen corresponding path program 1 times [2022-11-16 11:02:45,077 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:02:45,077 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1327755243] [2022-11-16 11:02:45,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:02:45,077 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:02:45,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:02:45,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 11:02:45,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:02:45,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-16 11:02:45,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:02:45,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-16 11:02:45,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:02:45,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-16 11:02:45,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:02:45,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-16 11:02:45,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:02:45,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-16 11:02:45,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:02:45,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-16 11:02:45,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:02:45,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-16 11:02:45,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:02:45,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-16 11:02:45,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:02:45,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-11-16 11:02:45,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:02:45,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-11-16 11:02:45,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:02:45,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-11-16 11:02:45,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:02:45,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-11-16 11:02:45,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:02:45,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-16 11:02:45,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:02:45,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2022-11-16 11:02:45,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:02:45,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-11-16 11:02:45,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:02:45,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-11-16 11:02:45,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:02:45,896 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2022-11-16 11:02:45,897 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:02:45,897 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1327755243] [2022-11-16 11:02:45,897 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1327755243] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:02:45,898 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:02:45,901 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-16 11:02:45,904 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1294233471] [2022-11-16 11:02:45,904 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:02:45,904 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-16 11:02:45,905 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:02:45,905 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-16 11:02:45,905 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-16 11:02:45,906 INFO L87 Difference]: Start difference. First operand 4377 states and 6051 transitions. Second operand has 5 states, 5 states have (on average 11.4) internal successors, (57), 3 states have internal predecessors, (57), 2 states have call successors, (19), 4 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-11-16 11:02:48,612 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:02:50,620 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:02:59,409 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:03:01,417 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:03:03,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:03:03,904 INFO L93 Difference]: Finished difference Result 10809 states and 15003 transitions. [2022-11-16 11:03:03,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-16 11:03:03,905 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 3 states have internal predecessors, (57), 2 states have call successors, (19), 4 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 132 [2022-11-16 11:03:03,906 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:03:03,938 INFO L225 Difference]: With dead ends: 10809 [2022-11-16 11:03:03,938 INFO L226 Difference]: Without dead ends: 6465 [2022-11-16 11:03:03,951 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-16 11:03:03,954 INFO L413 NwaCegarLoop]: 1768 mSDtfsCounter, 1875 mSDsluCounter, 3201 mSDsCounter, 0 mSdLazyCounter, 2160 mSolverCounterSat, 1143 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2008 SdHoareTripleChecker+Valid, 4969 SdHoareTripleChecker+Invalid, 3307 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1143 IncrementalHoareTripleChecker+Valid, 2160 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.6s IncrementalHoareTripleChecker+Time [2022-11-16 11:03:03,956 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2008 Valid, 4969 Invalid, 3307 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1143 Valid, 2160 Invalid, 4 Unknown, 0 Unchecked, 17.6s Time] [2022-11-16 11:03:03,964 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6465 states. [2022-11-16 11:03:04,241 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6465 to 6231. [2022-11-16 11:03:04,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6231 states, 4489 states have (on average 1.3225662731120518) internal successors, (5937), 4513 states have internal predecessors, (5937), 1325 states have call successors, (1325), 417 states have call predecessors, (1325), 416 states have return successors, (1324), 1322 states have call predecessors, (1324), 1324 states have call successors, (1324) [2022-11-16 11:03:04,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6231 states to 6231 states and 8586 transitions. [2022-11-16 11:03:04,278 INFO L78 Accepts]: Start accepts. Automaton has 6231 states and 8586 transitions. Word has length 132 [2022-11-16 11:03:04,279 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:03:04,279 INFO L495 AbstractCegarLoop]: Abstraction has 6231 states and 8586 transitions. [2022-11-16 11:03:04,279 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 3 states have internal predecessors, (57), 2 states have call successors, (19), 4 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-11-16 11:03:04,280 INFO L276 IsEmpty]: Start isEmpty. Operand 6231 states and 8586 transitions. [2022-11-16 11:03:04,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2022-11-16 11:03:04,288 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:03:04,289 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 15, 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] [2022-11-16 11:03:04,289 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-16 11:03:04,289 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:03:04,289 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:03:04,290 INFO L85 PathProgramCache]: Analyzing trace with hash -14080758, now seen corresponding path program 1 times [2022-11-16 11:03:04,290 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:03:04,290 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [349987343] [2022-11-16 11:03:04,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:03:04,290 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:03:04,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:03:05,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 11:03:05,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:03:05,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-16 11:03:05,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:03:05,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-16 11:03:05,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:03:05,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-16 11:03:05,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:03:05,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-16 11:03:05,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:03:05,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-16 11:03:05,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:03:05,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-16 11:03:05,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:03:05,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-16 11:03:05,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:03:05,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-16 11:03:05,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:03:05,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-11-16 11:03:05,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:03:05,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-11-16 11:03:05,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:03:05,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-11-16 11:03:05,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:03:05,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-11-16 11:03:05,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:03:05,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-16 11:03:05,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:03:05,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2022-11-16 11:03:05,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:03:05,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-16 11:03:05,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:03:05,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-11-16 11:03:05,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:03:05,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:03:05,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:03:05,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-11-16 11:03:05,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:03:05,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-11-16 11:03:05,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:03:05,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2022-11-16 11:03:05,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:03:05,392 INFO L134 CoverageAnalysis]: Checked inductivity of 428 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 423 trivial. 0 not checked. [2022-11-16 11:03:05,392 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:03:05,392 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [349987343] [2022-11-16 11:03:05,392 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [349987343] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:03:05,393 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:03:05,393 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-16 11:03:05,393 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1672097138] [2022-11-16 11:03:05,393 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:03:05,394 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-16 11:03:05,394 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:03:05,394 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-16 11:03:05,394 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-11-16 11:03:05,395 INFO L87 Difference]: Start difference. First operand 6231 states and 8586 transitions. Second operand has 7 states, 7 states have (on average 12.714285714285714) internal successors, (89), 4 states have internal predecessors, (89), 2 states have call successors, (23), 5 states have call predecessors, (23), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-11-16 11:03:08,293 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:03:10,302 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:03:20,115 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:03:22,120 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:03:25,924 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:03:25,924 INFO L93 Difference]: Finished difference Result 15519 states and 22176 transitions. [2022-11-16 11:03:25,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-16 11:03:25,925 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.714285714285714) internal successors, (89), 4 states have internal predecessors, (89), 2 states have call successors, (23), 5 states have call predecessors, (23), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 177 [2022-11-16 11:03:25,925 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:03:25,977 INFO L225 Difference]: With dead ends: 15519 [2022-11-16 11:03:25,977 INFO L226 Difference]: Without dead ends: 9334 [2022-11-16 11:03:26,000 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2022-11-16 11:03:26,001 INFO L413 NwaCegarLoop]: 2318 mSDtfsCounter, 3105 mSDsluCounter, 5713 mSDsCounter, 0 mSdLazyCounter, 3380 mSolverCounterSat, 1329 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3370 SdHoareTripleChecker+Valid, 8031 SdHoareTripleChecker+Invalid, 4713 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1329 IncrementalHoareTripleChecker+Valid, 3380 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.9s IncrementalHoareTripleChecker+Time [2022-11-16 11:03:26,001 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3370 Valid, 8031 Invalid, 4713 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1329 Valid, 3380 Invalid, 4 Unknown, 0 Unchecked, 19.9s Time] [2022-11-16 11:03:26,013 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9334 states. [2022-11-16 11:03:26,456 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9334 to 6235. [2022-11-16 11:03:26,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6235 states, 4493 states have (on average 1.3222791008235033) internal successors, (5941), 4517 states have internal predecessors, (5941), 1325 states have call successors, (1325), 417 states have call predecessors, (1325), 416 states have return successors, (1324), 1322 states have call predecessors, (1324), 1324 states have call successors, (1324) [2022-11-16 11:03:26,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6235 states to 6235 states and 8590 transitions. [2022-11-16 11:03:26,507 INFO L78 Accepts]: Start accepts. Automaton has 6235 states and 8590 transitions. Word has length 177 [2022-11-16 11:03:26,509 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:03:26,509 INFO L495 AbstractCegarLoop]: Abstraction has 6235 states and 8590 transitions. [2022-11-16 11:03:26,510 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.714285714285714) internal successors, (89), 4 states have internal predecessors, (89), 2 states have call successors, (23), 5 states have call predecessors, (23), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-11-16 11:03:26,510 INFO L276 IsEmpty]: Start isEmpty. Operand 6235 states and 8590 transitions. [2022-11-16 11:03:26,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2022-11-16 11:03:26,518 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:03:26,518 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 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] [2022-11-16 11:03:26,519 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-16 11:03:26,519 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:03:26,520 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:03:26,520 INFO L85 PathProgramCache]: Analyzing trace with hash -730636486, now seen corresponding path program 1 times [2022-11-16 11:03:26,520 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:03:26,520 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1826115490] [2022-11-16 11:03:26,521 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:03:26,521 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:03:26,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:03:27,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 11:03:27,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:03:27,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-16 11:03:27,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:03:27,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-16 11:03:27,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:03:27,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-16 11:03:27,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:03:27,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-16 11:03:27,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:03:27,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-16 11:03:27,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:03:27,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-16 11:03:27,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:03:27,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-16 11:03:27,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:03:27,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-16 11:03:27,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:03:27,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-11-16 11:03:27,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:03:27,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-11-16 11:03:27,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:03:27,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-11-16 11:03:27,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:03:27,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-11-16 11:03:27,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:03:27,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-16 11:03:27,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:03:27,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2022-11-16 11:03:27,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:03:27,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-16 11:03:27,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:03:27,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-11-16 11:03:27,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:03:27,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:03:27,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:03:27,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-11-16 11:03:27,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:03:27,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-11-16 11:03:27,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:03:27,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-11-16 11:03:27,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:03:27,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-11-16 11:03:27,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:03:27,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-11-16 11:03:27,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:03:27,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2022-11-16 11:03:27,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:03:27,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2022-11-16 11:03:27,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:03:27,303 INFO L134 CoverageAnalysis]: Checked inductivity of 552 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 547 trivial. 0 not checked. [2022-11-16 11:03:27,303 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:03:27,303 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1826115490] [2022-11-16 11:03:27,304 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1826115490] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:03:27,304 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:03:27,304 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-16 11:03:27,304 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [317810873] [2022-11-16 11:03:27,304 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:03:27,305 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-16 11:03:27,305 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:03:27,305 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-16 11:03:27,306 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-11-16 11:03:27,306 INFO L87 Difference]: Start difference. First operand 6235 states and 8590 transitions. Second operand has 7 states, 7 states have (on average 11.428571428571429) internal successors, (80), 4 states have internal predecessors, (80), 2 states have call successors, (27), 5 states have call predecessors, (27), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2022-11-16 11:03:30,330 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:03:32,335 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:03:40,734 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:03:42,739 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:03:45,667 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:03:45,667 INFO L93 Difference]: Finished difference Result 12723 states and 17632 transitions. [2022-11-16 11:03:45,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-16 11:03:45,668 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.428571428571429) internal successors, (80), 4 states have internal predecessors, (80), 2 states have call successors, (27), 5 states have call predecessors, (27), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 182 [2022-11-16 11:03:45,669 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:03:45,701 INFO L225 Difference]: With dead ends: 12723 [2022-11-16 11:03:45,702 INFO L226 Difference]: Without dead ends: 6510 [2022-11-16 11:03:45,720 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2022-11-16 11:03:45,721 INFO L413 NwaCegarLoop]: 1601 mSDtfsCounter, 585 mSDsluCounter, 5449 mSDsCounter, 0 mSdLazyCounter, 3031 mSolverCounterSat, 715 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 614 SdHoareTripleChecker+Valid, 7050 SdHoareTripleChecker+Invalid, 3750 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 715 IncrementalHoareTripleChecker+Valid, 3031 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.9s IncrementalHoareTripleChecker+Time [2022-11-16 11:03:45,721 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [614 Valid, 7050 Invalid, 3750 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [715 Valid, 3031 Invalid, 4 Unknown, 0 Unchecked, 17.9s Time] [2022-11-16 11:03:45,729 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6510 states. [2022-11-16 11:03:46,033 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6510 to 6235. [2022-11-16 11:03:46,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6235 states, 4493 states have (on average 1.3204985533051414) internal successors, (5933), 4517 states have internal predecessors, (5933), 1325 states have call successors, (1325), 417 states have call predecessors, (1325), 416 states have return successors, (1324), 1322 states have call predecessors, (1324), 1324 states have call successors, (1324) [2022-11-16 11:03:46,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6235 states to 6235 states and 8582 transitions. [2022-11-16 11:03:46,145 INFO L78 Accepts]: Start accepts. Automaton has 6235 states and 8582 transitions. Word has length 182 [2022-11-16 11:03:46,146 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:03:46,146 INFO L495 AbstractCegarLoop]: Abstraction has 6235 states and 8582 transitions. [2022-11-16 11:03:46,146 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.428571428571429) internal successors, (80), 4 states have internal predecessors, (80), 2 states have call successors, (27), 5 states have call predecessors, (27), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2022-11-16 11:03:46,146 INFO L276 IsEmpty]: Start isEmpty. Operand 6235 states and 8582 transitions. [2022-11-16 11:03:46,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2022-11-16 11:03:46,160 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:03:46,160 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 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] [2022-11-16 11:03:46,160 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-16 11:03:46,161 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:03:46,162 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:03:46,162 INFO L85 PathProgramCache]: Analyzing trace with hash -669177600, now seen corresponding path program 1 times [2022-11-16 11:03:46,163 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:03:46,163 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [59957056] [2022-11-16 11:03:46,163 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:03:46,163 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:03:46,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:03:46,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 11:03:46,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:03:46,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-16 11:03:46,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:03:46,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-16 11:03:46,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:03:46,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-16 11:03:46,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:03:46,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-16 11:03:46,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:03:46,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-16 11:03:46,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:03:46,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-16 11:03:46,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:03:46,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-16 11:03:46,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:03:46,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-16 11:03:46,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:03:46,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-11-16 11:03:46,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:03:46,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-11-16 11:03:46,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:03:46,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-11-16 11:03:46,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:03:46,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-11-16 11:03:46,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:03:46,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-16 11:03:46,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:03:46,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2022-11-16 11:03:46,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:03:46,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-16 11:03:46,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:03:46,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-11-16 11:03:46,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:03:46,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:03:46,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:03:46,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-11-16 11:03:46,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:03:46,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-11-16 11:03:46,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:03:46,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-11-16 11:03:46,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:03:46,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2022-11-16 11:03:46,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:03:46,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-11-16 11:03:46,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:03:46,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-11-16 11:03:47,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:03:47,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2022-11-16 11:03:47,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:03:47,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-11-16 11:03:47,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:03:47,025 INFO L134 CoverageAnalysis]: Checked inductivity of 552 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 552 trivial. 0 not checked. [2022-11-16 11:03:47,025 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:03:47,025 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [59957056] [2022-11-16 11:03:47,026 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [59957056] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:03:47,026 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:03:47,026 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-16 11:03:47,026 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1855395345] [2022-11-16 11:03:47,026 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:03:47,027 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 11:03:47,027 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:03:47,027 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 11:03:47,028 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-16 11:03:47,028 INFO L87 Difference]: Start difference. First operand 6235 states and 8582 transitions. Second operand has 6 states, 6 states have (on average 13.666666666666666) internal successors, (82), 3 states have internal predecessors, (82), 3 states have call successors, (28), 6 states have call predecessors, (28), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2022-11-16 11:03:49,796 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:03:51,803 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:03:59,191 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:04:01,197 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:04:03,074 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:04:03,074 INFO L93 Difference]: Finished difference Result 6785 states and 9354 transitions. [2022-11-16 11:04:03,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-16 11:04:03,075 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.666666666666666) internal successors, (82), 3 states have internal predecessors, (82), 3 states have call successors, (28), 6 states have call predecessors, (28), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 190 [2022-11-16 11:04:03,076 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:04:03,102 INFO L225 Difference]: With dead ends: 6785 [2022-11-16 11:04:03,102 INFO L226 Difference]: Without dead ends: 6782 [2022-11-16 11:04:03,106 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2022-11-16 11:04:03,106 INFO L413 NwaCegarLoop]: 1599 mSDtfsCounter, 2153 mSDsluCounter, 2790 mSDsCounter, 0 mSdLazyCounter, 1960 mSolverCounterSat, 884 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2372 SdHoareTripleChecker+Valid, 4389 SdHoareTripleChecker+Invalid, 2848 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 884 IncrementalHoareTripleChecker+Valid, 1960 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.6s IncrementalHoareTripleChecker+Time [2022-11-16 11:04:03,107 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2372 Valid, 4389 Invalid, 2848 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [884 Valid, 1960 Invalid, 4 Unknown, 0 Unchecked, 15.6s Time] [2022-11-16 11:04:03,115 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6782 states. [2022-11-16 11:04:03,459 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6782 to 6477. [2022-11-16 11:04:03,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6477 states, 4656 states have (on average 1.3148625429553265) internal successors, (6122), 4680 states have internal predecessors, (6122), 1355 states have call successors, (1355), 466 states have call predecessors, (1355), 465 states have return successors, (1354), 1352 states have call predecessors, (1354), 1354 states have call successors, (1354) [2022-11-16 11:04:03,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6477 states to 6477 states and 8831 transitions. [2022-11-16 11:04:03,493 INFO L78 Accepts]: Start accepts. Automaton has 6477 states and 8831 transitions. Word has length 190 [2022-11-16 11:04:03,494 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:04:03,494 INFO L495 AbstractCegarLoop]: Abstraction has 6477 states and 8831 transitions. [2022-11-16 11:04:03,494 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.666666666666666) internal successors, (82), 3 states have internal predecessors, (82), 3 states have call successors, (28), 6 states have call predecessors, (28), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2022-11-16 11:04:03,494 INFO L276 IsEmpty]: Start isEmpty. Operand 6477 states and 8831 transitions. [2022-11-16 11:04:03,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2022-11-16 11:04:03,505 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:04:03,506 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 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] [2022-11-16 11:04:03,506 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-16 11:04:03,506 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:04:03,507 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:04:03,507 INFO L85 PathProgramCache]: Analyzing trace with hash 1262325454, now seen corresponding path program 1 times [2022-11-16 11:04:03,507 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:04:03,507 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2124331375] [2022-11-16 11:04:03,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:04:03,507 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:04:03,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:04:04,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 11:04:04,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:04:04,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-16 11:04:04,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:04:04,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-16 11:04:04,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:04:04,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-16 11:04:04,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:04:04,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-16 11:04:04,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:04:04,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-16 11:04:04,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:04:04,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-16 11:04:04,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:04:04,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-16 11:04:04,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:04:04,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-16 11:04:04,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:04:04,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-11-16 11:04:04,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:04:04,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-11-16 11:04:04,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:04:04,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-11-16 11:04:04,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:04:04,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-11-16 11:04:04,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:04:04,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-16 11:04:04,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:04:04,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2022-11-16 11:04:04,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:04:04,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-16 11:04:04,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:04:04,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-11-16 11:04:04,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:04:04,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:04:04,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:04:04,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-11-16 11:04:04,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:04:04,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-11-16 11:04:04,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:04:04,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-11-16 11:04:04,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:04:04,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2022-11-16 11:04:04,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:04:04,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2022-11-16 11:04:04,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:04:04,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-11-16 11:04:04,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:04:04,396 INFO L134 CoverageAnalysis]: Checked inductivity of 548 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2022-11-16 11:04:04,397 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:04:04,397 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2124331375] [2022-11-16 11:04:04,397 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2124331375] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:04:04,397 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:04:04,397 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-16 11:04:04,397 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [183616777] [2022-11-16 11:04:04,398 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:04:04,398 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-16 11:04:04,398 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:04:04,399 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-16 11:04:04,399 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-11-16 11:04:04,399 INFO L87 Difference]: Start difference. First operand 6477 states and 8831 transitions. Second operand has 7 states, 7 states have (on average 13.0) internal successors, (91), 3 states have internal predecessors, (91), 3 states have call successors, (27), 6 states have call predecessors, (27), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2022-11-16 11:04:07,416 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:04:09,421 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:04:17,172 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:04:23,142 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:04:25,151 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:04:27,855 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:04:32,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:04:32,644 INFO L93 Difference]: Finished difference Result 17221 states and 23616 transitions. [2022-11-16 11:04:32,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-16 11:04:32,645 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.0) internal successors, (91), 3 states have internal predecessors, (91), 3 states have call successors, (27), 6 states have call predecessors, (27), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) Word has length 190 [2022-11-16 11:04:32,645 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:04:32,686 INFO L225 Difference]: With dead ends: 17221 [2022-11-16 11:04:32,687 INFO L226 Difference]: Without dead ends: 10790 [2022-11-16 11:04:32,711 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=81, Invalid=191, Unknown=0, NotChecked=0, Total=272 [2022-11-16 11:04:32,712 INFO L413 NwaCegarLoop]: 2022 mSDtfsCounter, 3126 mSDsluCounter, 5489 mSDsCounter, 0 mSdLazyCounter, 5764 mSolverCounterSat, 1855 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 26.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3386 SdHoareTripleChecker+Valid, 7511 SdHoareTripleChecker+Invalid, 7625 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1855 IncrementalHoareTripleChecker+Valid, 5764 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 27.4s IncrementalHoareTripleChecker+Time [2022-11-16 11:04:32,712 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3386 Valid, 7511 Invalid, 7625 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1855 Valid, 5764 Invalid, 6 Unknown, 0 Unchecked, 27.4s Time] [2022-11-16 11:04:32,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10790 states. [2022-11-16 11:04:33,352 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10790 to 10222. [2022-11-16 11:04:33,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10222 states, 7412 states have (on average 1.3112520237452778) internal successors, (9719), 7450 states have internal predecessors, (9719), 2070 states have call successors, (2070), 740 states have call predecessors, (2070), 739 states have return successors, (2069), 2065 states have call predecessors, (2069), 2069 states have call successors, (2069) [2022-11-16 11:04:33,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10222 states to 10222 states and 13858 transitions. [2022-11-16 11:04:33,404 INFO L78 Accepts]: Start accepts. Automaton has 10222 states and 13858 transitions. Word has length 190 [2022-11-16 11:04:33,404 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:04:33,404 INFO L495 AbstractCegarLoop]: Abstraction has 10222 states and 13858 transitions. [2022-11-16 11:04:33,404 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.0) internal successors, (91), 3 states have internal predecessors, (91), 3 states have call successors, (27), 6 states have call predecessors, (27), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2022-11-16 11:04:33,405 INFO L276 IsEmpty]: Start isEmpty. Operand 10222 states and 13858 transitions. [2022-11-16 11:04:33,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2022-11-16 11:04:33,415 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:04:33,415 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 15, 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] [2022-11-16 11:04:33,415 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-16 11:04:33,416 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:04:33,416 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:04:33,416 INFO L85 PathProgramCache]: Analyzing trace with hash 100992178, now seen corresponding path program 1 times [2022-11-16 11:04:33,416 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:04:33,417 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1501102015] [2022-11-16 11:04:33,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:04:33,417 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:04:33,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:04:33,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 11:04:33,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:04:33,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-16 11:04:33,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:04:33,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-16 11:04:33,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:04:33,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-16 11:04:33,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:04:33,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-16 11:04:33,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:04:33,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-16 11:04:33,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:04:34,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-16 11:04:34,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:04:34,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-16 11:04:34,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:04:34,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-16 11:04:34,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:04:34,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-11-16 11:04:34,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:04:34,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-11-16 11:04:34,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:04:34,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-11-16 11:04:34,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:04:34,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-11-16 11:04:34,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:04:34,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-16 11:04:34,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:04:34,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2022-11-16 11:04:34,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:04:34,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-16 11:04:34,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:04:34,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-11-16 11:04:34,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:04:34,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:04:34,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:04:34,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-11-16 11:04:34,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:04:34,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-16 11:04:34,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:04:34,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-11-16 11:04:34,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:04:34,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2022-11-16 11:04:34,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:04:34,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-11-16 11:04:34,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:04:34,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:04:34,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:04:34,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2022-11-16 11:04:34,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:04:34,192 INFO L134 CoverageAnalysis]: Checked inductivity of 425 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2022-11-16 11:04:34,192 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:04:34,193 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1501102015] [2022-11-16 11:04:34,193 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1501102015] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:04:34,193 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:04:34,193 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-16 11:04:34,193 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1750096217] [2022-11-16 11:04:34,193 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:04:34,194 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-16 11:04:34,194 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:04:34,194 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-16 11:04:34,195 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-11-16 11:04:34,195 INFO L87 Difference]: Start difference. First operand 10222 states and 13858 transitions. Second operand has 7 states, 7 states have (on average 14.142857142857142) internal successors, (99), 3 states have internal predecessors, (99), 2 states have call successors, (28), 6 states have call predecessors, (28), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2022-11-16 11:04:37,254 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:04:44,521 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:04:47,127 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:04:47,127 INFO L93 Difference]: Finished difference Result 20961 states and 28527 transitions. [2022-11-16 11:04:47,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-16 11:04:47,128 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.142857142857142) internal successors, (99), 3 states have internal predecessors, (99), 2 states have call successors, (28), 6 states have call predecessors, (28), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 194 [2022-11-16 11:04:47,128 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:04:47,166 INFO L225 Difference]: With dead ends: 20961 [2022-11-16 11:04:47,166 INFO L226 Difference]: Without dead ends: 10773 [2022-11-16 11:04:47,187 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2022-11-16 11:04:47,188 INFO L413 NwaCegarLoop]: 1302 mSDtfsCounter, 1380 mSDsluCounter, 3392 mSDsCounter, 0 mSdLazyCounter, 3139 mSolverCounterSat, 1414 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1443 SdHoareTripleChecker+Valid, 4694 SdHoareTripleChecker+Invalid, 4555 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1414 IncrementalHoareTripleChecker+Valid, 3139 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.3s IncrementalHoareTripleChecker+Time [2022-11-16 11:04:47,188 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1443 Valid, 4694 Invalid, 4555 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1414 Valid, 3139 Invalid, 2 Unknown, 0 Unchecked, 12.3s Time] [2022-11-16 11:04:47,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10773 states. [2022-11-16 11:04:47,711 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10773 to 10131. [2022-11-16 11:04:47,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10131 states, 7342 states have (on average 1.3121765186597658) internal successors, (9634), 7383 states have internal predecessors, (9634), 2058 states have call successors, (2058), 731 states have call predecessors, (2058), 730 states have return successors, (2057), 2050 states have call predecessors, (2057), 2057 states have call successors, (2057) [2022-11-16 11:04:47,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10131 states to 10131 states and 13749 transitions. [2022-11-16 11:04:47,760 INFO L78 Accepts]: Start accepts. Automaton has 10131 states and 13749 transitions. Word has length 194 [2022-11-16 11:04:47,764 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:04:47,764 INFO L495 AbstractCegarLoop]: Abstraction has 10131 states and 13749 transitions. [2022-11-16 11:04:47,764 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.142857142857142) internal successors, (99), 3 states have internal predecessors, (99), 2 states have call successors, (28), 6 states have call predecessors, (28), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2022-11-16 11:04:47,765 INFO L276 IsEmpty]: Start isEmpty. Operand 10131 states and 13749 transitions. [2022-11-16 11:04:47,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2022-11-16 11:04:47,779 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:04:47,779 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 18, 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] [2022-11-16 11:04:47,779 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-16 11:04:47,779 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:04:47,780 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:04:47,780 INFO L85 PathProgramCache]: Analyzing trace with hash 1590403173, now seen corresponding path program 1 times [2022-11-16 11:04:47,780 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:04:47,780 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [913237171] [2022-11-16 11:04:47,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:04:47,781 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:04:48,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:04:48,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 11:04:48,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:04:48,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-16 11:04:48,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:04:48,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-16 11:04:48,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:04:48,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-16 11:04:48,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:04:48,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-16 11:04:48,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:04:48,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-16 11:04:48,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:04:48,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-16 11:04:48,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:04:48,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-16 11:04:48,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:04:48,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-16 11:04:48,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:04:48,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-11-16 11:04:48,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:04:48,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-11-16 11:04:48,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:04:48,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-11-16 11:04:48,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:04:48,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-11-16 11:04:48,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:04:48,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-16 11:04:48,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:04:48,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2022-11-16 11:04:48,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:04:48,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-16 11:04:48,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:04:48,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-11-16 11:04:48,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:04:48,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:04:48,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:04:48,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-11-16 11:04:48,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:04:48,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-11-16 11:04:48,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:04:48,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-11-16 11:04:48,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:04:48,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-11-16 11:04:48,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:04:48,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-11-16 11:04:48,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:04:48,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2022-11-16 11:04:48,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:04:48,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2022-11-16 11:04:48,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:04:48,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2022-11-16 11:04:48,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:04:48,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:04:48,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:04:48,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-11-16 11:04:48,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:04:48,686 INFO L134 CoverageAnalysis]: Checked inductivity of 624 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 619 trivial. 0 not checked. [2022-11-16 11:04:48,686 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:04:48,686 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [913237171] [2022-11-16 11:04:48,686 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [913237171] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:04:48,687 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:04:48,687 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-16 11:04:48,687 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [442719477] [2022-11-16 11:04:48,687 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:04:48,688 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-16 11:04:48,688 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:04:48,688 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-16 11:04:48,689 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-11-16 11:04:48,689 INFO L87 Difference]: Start difference. First operand 10131 states and 13749 transitions. Second operand has 7 states, 7 states have (on average 14.0) internal successors, (98), 3 states have internal predecessors, (98), 3 states have call successors, (31), 6 states have call predecessors, (31), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2022-11-16 11:04:51,568 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:04:53,575 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:05:02,807 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:05:04,813 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:05:11,019 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:05:13,026 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:05:15,084 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:05:17,096 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:05:20,831 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:05:20,832 INFO L93 Difference]: Finished difference Result 24319 states and 33033 transitions. [2022-11-16 11:05:20,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-16 11:05:20,832 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.0) internal successors, (98), 3 states have internal predecessors, (98), 3 states have call successors, (31), 6 states have call predecessors, (31), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) Word has length 213 [2022-11-16 11:05:20,833 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:05:20,886 INFO L225 Difference]: With dead ends: 24319 [2022-11-16 11:05:20,886 INFO L226 Difference]: Without dead ends: 14234 [2022-11-16 11:05:20,906 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=81, Invalid=191, Unknown=0, NotChecked=0, Total=272 [2022-11-16 11:05:20,907 INFO L413 NwaCegarLoop]: 1925 mSDtfsCounter, 2539 mSDsluCounter, 5177 mSDsCounter, 0 mSdLazyCounter, 5391 mSolverCounterSat, 1418 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 29.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2801 SdHoareTripleChecker+Valid, 7102 SdHoareTripleChecker+Invalid, 6817 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1418 IncrementalHoareTripleChecker+Valid, 5391 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 31.1s IncrementalHoareTripleChecker+Time [2022-11-16 11:05:20,907 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2801 Valid, 7102 Invalid, 6817 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1418 Valid, 5391 Invalid, 8 Unknown, 0 Unchecked, 31.1s Time] [2022-11-16 11:05:20,919 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14234 states. [2022-11-16 11:05:21,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14234 to 13471. [2022-11-16 11:05:21,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13471 states, 9847 states have (on average 1.3130902813039504) internal successors, (12930), 9896 states have internal predecessors, (12930), 2618 states have call successors, (2618), 1006 states have call predecessors, (2618), 1005 states have return successors, (2617), 2608 states have call predecessors, (2617), 2617 states have call successors, (2617) [2022-11-16 11:05:21,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13471 states to 13471 states and 18165 transitions. [2022-11-16 11:05:21,808 INFO L78 Accepts]: Start accepts. Automaton has 13471 states and 18165 transitions. Word has length 213 [2022-11-16 11:05:21,808 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:05:21,809 INFO L495 AbstractCegarLoop]: Abstraction has 13471 states and 18165 transitions. [2022-11-16 11:05:21,809 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.0) internal successors, (98), 3 states have internal predecessors, (98), 3 states have call successors, (31), 6 states have call predecessors, (31), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2022-11-16 11:05:21,809 INFO L276 IsEmpty]: Start isEmpty. Operand 13471 states and 18165 transitions. [2022-11-16 11:05:21,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2022-11-16 11:05:21,833 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:05:21,833 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:05:21,833 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-16 11:05:21,833 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:05:21,834 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:05:21,834 INFO L85 PathProgramCache]: Analyzing trace with hash -1246776163, now seen corresponding path program 1 times [2022-11-16 11:05:21,834 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:05:21,834 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1677062892] [2022-11-16 11:05:21,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:05:21,835 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:05:22,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:05:23,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 11:05:23,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:05:23,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-16 11:05:23,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:05:23,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-16 11:05:23,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:05:23,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-16 11:05:23,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:05:23,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-16 11:05:23,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:05:23,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-16 11:05:23,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:05:23,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-16 11:05:23,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:05:23,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-16 11:05:23,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:05:23,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-16 11:05:23,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:05:23,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-11-16 11:05:23,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:05:23,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-11-16 11:05:23,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:05:23,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-11-16 11:05:23,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:05:23,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-11-16 11:05:23,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:05:23,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-16 11:05:23,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:05:23,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2022-11-16 11:05:23,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:05:23,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-16 11:05:23,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:05:23,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-11-16 11:05:23,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:05:23,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:05:23,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:05:23,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-11-16 11:05:23,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:05:23,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-11-16 11:05:23,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:05:23,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-11-16 11:05:23,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:05:23,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2022-11-16 11:05:23,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:05:23,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2022-11-16 11:05:23,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:05:23,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2022-11-16 11:05:23,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:05:23,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2022-11-16 11:05:23,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:05:23,910 INFO L134 CoverageAnalysis]: Checked inductivity of 561 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 553 trivial. 0 not checked. [2022-11-16 11:05:23,911 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:05:23,911 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1677062892] [2022-11-16 11:05:23,911 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1677062892] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:05:23,911 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:05:23,912 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-16 11:05:23,912 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1907104027] [2022-11-16 11:05:23,912 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:05:23,912 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-16 11:05:23,913 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:05:23,913 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-16 11:05:23,913 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2022-11-16 11:05:23,913 INFO L87 Difference]: Start difference. First operand 13471 states and 18165 transitions. Second operand has 8 states, 8 states have (on average 13.0) internal successors, (104), 4 states have internal predecessors, (104), 2 states have call successors, (28), 6 states have call predecessors, (28), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2022-11-16 11:05:27,078 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:05:29,086 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:05:31,095 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:05:42,233 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:05:44,242 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:05:47,846 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:05:47,846 INFO L93 Difference]: Finished difference Result 27775 states and 37554 transitions. [2022-11-16 11:05:47,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-16 11:05:47,847 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 13.0) internal successors, (104), 4 states have internal predecessors, (104), 2 states have call successors, (28), 6 states have call predecessors, (28), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 212 [2022-11-16 11:05:47,847 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:05:47,901 INFO L225 Difference]: With dead ends: 27775 [2022-11-16 11:05:47,901 INFO L226 Difference]: Without dead ends: 14313 [2022-11-16 11:05:47,929 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=72, Invalid=200, Unknown=0, NotChecked=0, Total=272 [2022-11-16 11:05:47,930 INFO L413 NwaCegarLoop]: 1305 mSDtfsCounter, 1402 mSDsluCounter, 5130 mSDsCounter, 0 mSdLazyCounter, 4734 mSolverCounterSat, 1143 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1503 SdHoareTripleChecker+Valid, 6435 SdHoareTripleChecker+Invalid, 5882 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1143 IncrementalHoareTripleChecker+Valid, 4734 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 22.9s IncrementalHoareTripleChecker+Time [2022-11-16 11:05:47,931 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1503 Valid, 6435 Invalid, 5882 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1143 Valid, 4734 Invalid, 5 Unknown, 0 Unchecked, 22.9s Time] [2022-11-16 11:05:47,944 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14313 states. [2022-11-16 11:05:48,720 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14313 to 13550. [2022-11-16 11:05:48,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13550 states, 9910 states have (on average 1.3116044399596367) internal successors, (12998), 9960 states have internal predecessors, (12998), 2628 states have call successors, (2628), 1012 states have call predecessors, (2628), 1011 states have return successors, (2627), 2617 states have call predecessors, (2627), 2627 states have call successors, (2627) [2022-11-16 11:05:48,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13550 states to 13550 states and 18253 transitions. [2022-11-16 11:05:48,782 INFO L78 Accepts]: Start accepts. Automaton has 13550 states and 18253 transitions. Word has length 212 [2022-11-16 11:05:48,784 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:05:48,784 INFO L495 AbstractCegarLoop]: Abstraction has 13550 states and 18253 transitions. [2022-11-16 11:05:48,784 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 13.0) internal successors, (104), 4 states have internal predecessors, (104), 2 states have call successors, (28), 6 states have call predecessors, (28), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2022-11-16 11:05:48,784 INFO L276 IsEmpty]: Start isEmpty. Operand 13550 states and 18253 transitions. [2022-11-16 11:05:48,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2022-11-16 11:05:48,806 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:05:48,806 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:05:48,806 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-16 11:05:48,807 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:05:48,807 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:05:48,807 INFO L85 PathProgramCache]: Analyzing trace with hash -2130285153, now seen corresponding path program 1 times [2022-11-16 11:05:48,808 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:05:48,808 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [444670446] [2022-11-16 11:05:48,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:05:48,808 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:05:49,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:05:51,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 11:05:51,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:05:51,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-16 11:05:51,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:05:51,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-16 11:05:51,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:05:51,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-16 11:05:51,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:05:51,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-16 11:05:51,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:05:51,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-16 11:05:51,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:05:51,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-16 11:05:51,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:05:51,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-16 11:05:51,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:05:51,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-16 11:05:51,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:05:51,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-11-16 11:05:51,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:05:51,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-11-16 11:05:51,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:05:51,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-11-16 11:05:51,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:05:51,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-11-16 11:05:51,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:05:51,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-16 11:05:51,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:05:51,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2022-11-16 11:05:51,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:05:51,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-16 11:05:51,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:05:51,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-11-16 11:05:51,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:05:51,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:05:51,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:05:51,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-11-16 11:05:51,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:05:51,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-11-16 11:05:51,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:05:51,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-11-16 11:05:51,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:05:51,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2022-11-16 11:05:51,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:05:51,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2022-11-16 11:05:51,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:05:51,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2022-11-16 11:05:51,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:05:51,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2022-11-16 11:05:51,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:05:51,876 INFO L134 CoverageAnalysis]: Checked inductivity of 561 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 553 trivial. 0 not checked. [2022-11-16 11:05:51,877 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:05:51,877 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [444670446] [2022-11-16 11:05:51,877 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [444670446] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:05:51,877 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:05:51,877 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-11-16 11:05:51,878 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [345454667] [2022-11-16 11:05:51,878 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:05:51,878 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-16 11:05:51,878 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:05:51,879 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-16 11:05:51,880 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=110, Unknown=0, NotChecked=0, Total=132 [2022-11-16 11:05:51,880 INFO L87 Difference]: Start difference. First operand 13550 states and 18253 transitions. Second operand has 12 states, 12 states have (on average 8.666666666666666) internal successors, (104), 7 states have internal predecessors, (104), 3 states have call successors, (28), 6 states have call predecessors, (28), 2 states have return successors, (25), 4 states have call predecessors, (25), 3 states have call successors, (25) [2022-11-16 11:05:55,713 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:05:57,719 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:06:11,657 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:06:16,741 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:06:16,741 INFO L93 Difference]: Finished difference Result 27870 states and 37631 transitions. [2022-11-16 11:06:16,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-11-16 11:06:16,742 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 8.666666666666666) internal successors, (104), 7 states have internal predecessors, (104), 3 states have call successors, (28), 6 states have call predecessors, (28), 2 states have return successors, (25), 4 states have call predecessors, (25), 3 states have call successors, (25) Word has length 212 [2022-11-16 11:06:16,742 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:06:16,797 INFO L225 Difference]: With dead ends: 27870 [2022-11-16 11:06:16,797 INFO L226 Difference]: Without dead ends: 14305 [2022-11-16 11:06:16,828 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 121 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=139, Invalid=617, Unknown=0, NotChecked=0, Total=756 [2022-11-16 11:06:16,828 INFO L413 NwaCegarLoop]: 1302 mSDtfsCounter, 1672 mSDsluCounter, 8752 mSDsCounter, 0 mSdLazyCounter, 7746 mSolverCounterSat, 1507 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 22.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1773 SdHoareTripleChecker+Valid, 10054 SdHoareTripleChecker+Invalid, 9256 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1507 IncrementalHoareTripleChecker+Valid, 7746 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 23.5s IncrementalHoareTripleChecker+Time [2022-11-16 11:06:16,829 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1773 Valid, 10054 Invalid, 9256 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1507 Valid, 7746 Invalid, 3 Unknown, 0 Unchecked, 23.5s Time] [2022-11-16 11:06:16,842 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14305 states. [2022-11-16 11:06:17,678 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14305 to 13580. [2022-11-16 11:06:17,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13580 states, 9925 states have (on average 1.3107304785894207) internal successors, (13009), 9990 states have internal predecessors, (13009), 2628 states have call successors, (2628), 1012 states have call predecessors, (2628), 1026 states have return successors, (2678), 2617 states have call predecessors, (2678), 2627 states have call successors, (2678) [2022-11-16 11:06:17,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13580 states to 13580 states and 18315 transitions. [2022-11-16 11:06:17,739 INFO L78 Accepts]: Start accepts. Automaton has 13580 states and 18315 transitions. Word has length 212 [2022-11-16 11:06:17,739 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:06:17,739 INFO L495 AbstractCegarLoop]: Abstraction has 13580 states and 18315 transitions. [2022-11-16 11:06:17,739 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 8.666666666666666) internal successors, (104), 7 states have internal predecessors, (104), 3 states have call successors, (28), 6 states have call predecessors, (28), 2 states have return successors, (25), 4 states have call predecessors, (25), 3 states have call successors, (25) [2022-11-16 11:06:17,740 INFO L276 IsEmpty]: Start isEmpty. Operand 13580 states and 18315 transitions. [2022-11-16 11:06:17,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2022-11-16 11:06:17,764 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:06:17,765 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 3, 3, 3, 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, 1, 1] [2022-11-16 11:06:17,765 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-16 11:06:17,765 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:06:17,766 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:06:17,766 INFO L85 PathProgramCache]: Analyzing trace with hash 604411113, now seen corresponding path program 1 times [2022-11-16 11:06:17,766 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:06:17,766 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1403754975] [2022-11-16 11:06:17,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:06:17,767 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:06:18,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:06:20,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 11:06:20,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:06:20,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-16 11:06:20,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:06:20,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-16 11:06:20,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:06:20,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-16 11:06:20,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:06:20,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-16 11:06:20,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:06:20,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-16 11:06:20,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:06:20,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-16 11:06:20,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:06:20,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-16 11:06:20,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:06:20,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-16 11:06:20,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:06:20,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-11-16 11:06:20,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:06:20,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-11-16 11:06:20,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:06:20,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-11-16 11:06:20,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:06:20,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-11-16 11:06:20,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:06:20,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-16 11:06:20,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:06:20,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2022-11-16 11:06:20,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:06:20,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-16 11:06:20,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:06:20,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 11:06:20,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:06:20,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-16 11:06:20,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:06:20,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:06:20,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:06:20,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-16 11:06:20,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:06:20,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2022-11-16 11:06:20,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:06:20,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:06:20,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:06:20,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2022-11-16 11:06:20,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:06:20,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2022-11-16 11:06:20,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:06:20,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2022-11-16 11:06:20,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:06:20,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2022-11-16 11:06:20,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:06:20,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2022-11-16 11:06:20,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:06:20,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2022-11-16 11:06:20,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:06:20,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2022-11-16 11:06:20,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:06:20,665 INFO L134 CoverageAnalysis]: Checked inductivity of 576 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 562 trivial. 0 not checked. [2022-11-16 11:06:20,665 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:06:20,665 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1403754975] [2022-11-16 11:06:20,666 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1403754975] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:06:20,666 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:06:20,666 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-11-16 11:06:20,666 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1516616723] [2022-11-16 11:06:20,666 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:06:20,668 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-16 11:06:20,668 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:06:20,669 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-16 11:06:20,669 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2022-11-16 11:06:20,669 INFO L87 Difference]: Start difference. First operand 13580 states and 18315 transitions. Second operand has 10 states, 9 states have (on average 12.444444444444445) internal successors, (112), 5 states have internal predecessors, (112), 3 states have call successors, (31), 6 states have call predecessors, (31), 2 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2022-11-16 11:06:24,065 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:06:26,071 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:06:39,490 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:06:41,496 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:06:44,220 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:06:46,228 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:06:51,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:06:51,257 INFO L93 Difference]: Finished difference Result 29666 states and 40473 transitions. [2022-11-16 11:06:51,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-16 11:06:51,257 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 12.444444444444445) internal successors, (112), 5 states have internal predecessors, (112), 3 states have call successors, (31), 6 states have call predecessors, (31), 2 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) Word has length 232 [2022-11-16 11:06:51,258 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:06:51,325 INFO L225 Difference]: With dead ends: 29666 [2022-11-16 11:06:51,325 INFO L226 Difference]: Without dead ends: 16211 [2022-11-16 11:06:51,354 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=55, Invalid=185, Unknown=0, NotChecked=0, Total=240 [2022-11-16 11:06:51,354 INFO L413 NwaCegarLoop]: 1949 mSDtfsCounter, 1862 mSDsluCounter, 10451 mSDsCounter, 0 mSdLazyCounter, 7818 mSolverCounterSat, 1320 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 27.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2139 SdHoareTripleChecker+Valid, 12400 SdHoareTripleChecker+Invalid, 9144 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1320 IncrementalHoareTripleChecker+Valid, 7818 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 29.3s IncrementalHoareTripleChecker+Time [2022-11-16 11:06:51,355 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2139 Valid, 12400 Invalid, 9144 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1320 Valid, 7818 Invalid, 6 Unknown, 0 Unchecked, 29.3s Time] [2022-11-16 11:06:51,370 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16211 states. [2022-11-16 11:06:52,308 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16211 to 13580. [2022-11-16 11:06:52,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13580 states, 9925 states have (on average 1.310125944584383) internal successors, (13003), 9990 states have internal predecessors, (13003), 2628 states have call successors, (2628), 1012 states have call predecessors, (2628), 1026 states have return successors, (2678), 2617 states have call predecessors, (2678), 2627 states have call successors, (2678) [2022-11-16 11:06:52,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13580 states to 13580 states and 18309 transitions. [2022-11-16 11:06:52,366 INFO L78 Accepts]: Start accepts. Automaton has 13580 states and 18309 transitions. Word has length 232 [2022-11-16 11:06:52,366 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:06:52,366 INFO L495 AbstractCegarLoop]: Abstraction has 13580 states and 18309 transitions. [2022-11-16 11:06:52,367 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 12.444444444444445) internal successors, (112), 5 states have internal predecessors, (112), 3 states have call successors, (31), 6 states have call predecessors, (31), 2 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2022-11-16 11:06:52,367 INFO L276 IsEmpty]: Start isEmpty. Operand 13580 states and 18309 transitions. [2022-11-16 11:06:52,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2022-11-16 11:06:52,389 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:06:52,390 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 3, 3, 3, 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, 1, 1] [2022-11-16 11:06:52,390 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-16 11:06:52,390 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:06:52,390 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:06:52,391 INFO L85 PathProgramCache]: Analyzing trace with hash 852557607, now seen corresponding path program 1 times [2022-11-16 11:06:52,391 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:06:52,391 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1490180569] [2022-11-16 11:06:52,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:06:52,391 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:06:53,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:06:54,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 11:06:54,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:06:54,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-16 11:06:54,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:06:54,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-16 11:06:54,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:06:54,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-16 11:06:54,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:06:54,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-16 11:06:54,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:06:54,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-16 11:06:54,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:06:54,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-16 11:06:54,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:06:54,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-16 11:06:54,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:06:54,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-16 11:06:54,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:06:54,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-11-16 11:06:54,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:06:54,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-11-16 11:06:54,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:06:54,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-11-16 11:06:54,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:06:54,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-11-16 11:06:54,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:06:54,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-16 11:06:54,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:06:54,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2022-11-16 11:06:54,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:06:54,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-16 11:06:54,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:06:54,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 11:06:54,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:06:54,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-16 11:06:54,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:06:54,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:06:54,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:06:54,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-16 11:06:54,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:06:54,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2022-11-16 11:06:54,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:06:54,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:06:54,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:06:54,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2022-11-16 11:06:54,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:06:54,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2022-11-16 11:06:54,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:06:54,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2022-11-16 11:06:54,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:06:54,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2022-11-16 11:06:54,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:06:54,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2022-11-16 11:06:54,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:06:54,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2022-11-16 11:06:54,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:06:54,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2022-11-16 11:06:54,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:06:54,702 INFO L134 CoverageAnalysis]: Checked inductivity of 576 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 576 trivial. 0 not checked. [2022-11-16 11:06:54,703 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:06:54,703 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1490180569] [2022-11-16 11:06:54,703 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1490180569] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:06:54,703 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:06:54,704 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-16 11:06:54,704 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [472796642] [2022-11-16 11:06:54,704 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:06:54,705 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-16 11:06:54,705 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:06:54,706 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-16 11:06:54,706 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2022-11-16 11:06:54,706 INFO L87 Difference]: Start difference. First operand 13580 states and 18309 transitions. Second operand has 8 states, 8 states have (on average 13.125) internal successors, (105), 4 states have internal predecessors, (105), 2 states have call successors, (31), 6 states have call predecessors, (31), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2022-11-16 11:06:57,885 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:07:06,493 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:07:09,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:07:09,748 INFO L93 Difference]: Finished difference Result 27813 states and 37595 transitions. [2022-11-16 11:07:09,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-16 11:07:09,750 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 13.125) internal successors, (105), 4 states have internal predecessors, (105), 2 states have call successors, (31), 6 states have call predecessors, (31), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 232 [2022-11-16 11:07:09,750 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:07:09,802 INFO L225 Difference]: With dead ends: 27813 [2022-11-16 11:07:09,802 INFO L226 Difference]: Without dead ends: 14248 [2022-11-16 11:07:09,831 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=60, Invalid=122, Unknown=0, NotChecked=0, Total=182 [2022-11-16 11:07:09,832 INFO L413 NwaCegarLoop]: 1302 mSDtfsCounter, 1379 mSDsluCounter, 4470 mSDsCounter, 0 mSdLazyCounter, 4040 mSolverCounterSat, 1416 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1442 SdHoareTripleChecker+Valid, 5772 SdHoareTripleChecker+Invalid, 5458 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1416 IncrementalHoareTripleChecker+Valid, 4040 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.9s IncrementalHoareTripleChecker+Time [2022-11-16 11:07:09,832 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1442 Valid, 5772 Invalid, 5458 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1416 Valid, 4040 Invalid, 2 Unknown, 0 Unchecked, 13.9s Time] [2022-11-16 11:07:09,845 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14248 states. [2022-11-16 11:07:10,636 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14248 to 13595. [2022-11-16 11:07:10,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13595 states, 9940 states have (on average 1.3096579476861168) internal successors, (13018), 10005 states have internal predecessors, (13018), 2628 states have call successors, (2628), 1012 states have call predecessors, (2628), 1026 states have return successors, (2678), 2617 states have call predecessors, (2678), 2627 states have call successors, (2678) [2022-11-16 11:07:10,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13595 states to 13595 states and 18324 transitions. [2022-11-16 11:07:10,681 INFO L78 Accepts]: Start accepts. Automaton has 13595 states and 18324 transitions. Word has length 232 [2022-11-16 11:07:10,681 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:07:10,681 INFO L495 AbstractCegarLoop]: Abstraction has 13595 states and 18324 transitions. [2022-11-16 11:07:10,682 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 13.125) internal successors, (105), 4 states have internal predecessors, (105), 2 states have call successors, (31), 6 states have call predecessors, (31), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2022-11-16 11:07:10,682 INFO L276 IsEmpty]: Start isEmpty. Operand 13595 states and 18324 transitions. [2022-11-16 11:07:10,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2022-11-16 11:07:10,702 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:07:10,702 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 3, 3, 3, 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, 1, 1, 1] [2022-11-16 11:07:10,702 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-11-16 11:07:10,702 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:07:10,703 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:07:10,703 INFO L85 PathProgramCache]: Analyzing trace with hash -827632249, now seen corresponding path program 1 times [2022-11-16 11:07:10,703 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:07:10,703 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [470162296] [2022-11-16 11:07:10,703 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:07:10,704 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:07:11,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:07:12,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 11:07:12,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:07:12,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-16 11:07:12,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:07:12,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-16 11:07:12,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:07:12,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-16 11:07:12,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:07:12,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-16 11:07:12,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:07:12,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-16 11:07:12,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:07:12,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-16 11:07:12,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:07:12,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-16 11:07:12,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:07:12,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-16 11:07:12,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:07:12,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-11-16 11:07:12,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:07:12,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-11-16 11:07:12,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:07:12,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-11-16 11:07:12,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:07:12,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-11-16 11:07:12,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:07:12,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-16 11:07:12,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:07:12,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2022-11-16 11:07:12,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:07:12,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-11-16 11:07:12,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:07:12,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 11:07:12,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:07:12,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-16 11:07:12,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:07:12,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:07:12,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:07:12,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-16 11:07:12,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:07:12,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-11-16 11:07:12,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:07:12,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:07:12,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:07:12,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-11-16 11:07:12,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:07:12,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-11-16 11:07:12,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:07:12,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-11-16 11:07:12,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:07:12,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2022-11-16 11:07:12,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:07:12,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2022-11-16 11:07:12,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:07:12,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2022-11-16 11:07:12,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:07:12,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2022-11-16 11:07:12,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:07:12,838 INFO L134 CoverageAnalysis]: Checked inductivity of 577 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 576 trivial. 0 not checked. [2022-11-16 11:07:12,838 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:07:12,838 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [470162296] [2022-11-16 11:07:12,838 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [470162296] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 11:07:12,839 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [356705059] [2022-11-16 11:07:12,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:07:12,839 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 11:07:12,839 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b14c2621-c493-4627-9f0a-0e7cad39a17b/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:07:12,846 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b14c2621-c493-4627-9f0a-0e7cad39a17b/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 11:07:12,863 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b14c2621-c493-4627-9f0a-0e7cad39a17b/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-16 11:07:14,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:07:14,920 INFO L263 TraceCheckSpWp]: Trace formula consists of 6912 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-16 11:07:14,959 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 11:07:15,124 INFO L134 CoverageAnalysis]: Checked inductivity of 577 backedges. 182 proven. 0 refuted. 0 times theorem prover too weak. 395 trivial. 0 not checked. [2022-11-16 11:07:15,124 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-16 11:07:15,125 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [356705059] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:07:15,125 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-16 11:07:15,125 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 12 [2022-11-16 11:07:15,125 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [105474812] [2022-11-16 11:07:15,125 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:07:15,126 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-16 11:07:15,126 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:07:15,126 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-16 11:07:15,127 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=110, Unknown=0, NotChecked=0, Total=132 [2022-11-16 11:07:15,127 INFO L87 Difference]: Start difference. First operand 13595 states and 18324 transitions. Second operand has 5 states, 5 states have (on average 22.8) internal successors, (114), 5 states have internal predecessors, (114), 3 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2022-11-16 11:07:16,355 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:07:16,355 INFO L93 Difference]: Finished difference Result 26994 states and 36380 transitions. [2022-11-16 11:07:16,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-16 11:07:16,356 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 22.8) internal successors, (114), 5 states have internal predecessors, (114), 3 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) Word has length 233 [2022-11-16 11:07:16,357 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:07:16,410 INFO L225 Difference]: With dead ends: 26994 [2022-11-16 11:07:16,411 INFO L226 Difference]: Without dead ends: 13441 [2022-11-16 11:07:16,440 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 296 GetRequests, 284 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=32, Invalid=150, Unknown=0, NotChecked=0, Total=182 [2022-11-16 11:07:16,440 INFO L413 NwaCegarLoop]: 1962 mSDtfsCounter, 5 mSDsluCounter, 5871 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 7833 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-16 11:07:16,441 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 7833 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-16 11:07:16,456 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13441 states. [2022-11-16 11:07:17,391 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13441 to 13357. [2022-11-16 11:07:17,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13357 states, 9763 states have (on average 1.3125064017207826) internal successors, (12814), 9836 states have internal predecessors, (12814), 2585 states have call successors, (2585), 994 states have call predecessors, (2585), 1008 states have return successors, (2635), 2566 states have call predecessors, (2635), 2584 states have call successors, (2635) [2022-11-16 11:07:17,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13357 states to 13357 states and 18034 transitions. [2022-11-16 11:07:17,427 INFO L78 Accepts]: Start accepts. Automaton has 13357 states and 18034 transitions. Word has length 233 [2022-11-16 11:07:17,427 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:07:17,427 INFO L495 AbstractCegarLoop]: Abstraction has 13357 states and 18034 transitions. [2022-11-16 11:07:17,428 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 22.8) internal successors, (114), 5 states have internal predecessors, (114), 3 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2022-11-16 11:07:17,428 INFO L276 IsEmpty]: Start isEmpty. Operand 13357 states and 18034 transitions. [2022-11-16 11:07:17,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2022-11-16 11:07:17,442 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:07:17,443 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 18, 3, 3, 3, 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, 1, 1, 1, 1, 1] [2022-11-16 11:07:17,469 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b14c2621-c493-4627-9f0a-0e7cad39a17b/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-16 11:07:17,658 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b14c2621-c493-4627-9f0a-0e7cad39a17b/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2022-11-16 11:07:17,659 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:07:17,659 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:07:17,659 INFO L85 PathProgramCache]: Analyzing trace with hash -1261573157, now seen corresponding path program 1 times [2022-11-16 11:07:17,660 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:07:17,660 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [776519035] [2022-11-16 11:07:17,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:07:17,660 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:07:18,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:07:19,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 11:07:19,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:07:19,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-16 11:07:19,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:07:19,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-16 11:07:19,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:07:19,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-16 11:07:19,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:07:19,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-16 11:07:19,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:07:19,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-16 11:07:19,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:07:19,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-16 11:07:19,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:07:19,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-16 11:07:19,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:07:19,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-16 11:07:19,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:07:19,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-11-16 11:07:19,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:07:19,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-11-16 11:07:19,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:07:19,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-11-16 11:07:19,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:07:19,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-11-16 11:07:19,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:07:19,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-16 11:07:19,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:07:19,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2022-11-16 11:07:19,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:07:19,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-11-16 11:07:19,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:07:19,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 11:07:19,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:07:19,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-16 11:07:19,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:07:19,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:07:19,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:07:19,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-16 11:07:19,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:07:19,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-11-16 11:07:19,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:07:19,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:07:19,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:07:19,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-11-16 11:07:19,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:07:19,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-11-16 11:07:19,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:07:19,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2022-11-16 11:07:19,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:07:19,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2022-11-16 11:07:19,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:07:19,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-11-16 11:07:19,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:07:19,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2022-11-16 11:07:19,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:07:19,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2022-11-16 11:07:19,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:07:19,808 INFO L134 CoverageAnalysis]: Checked inductivity of 645 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 644 trivial. 0 not checked. [2022-11-16 11:07:19,808 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:07:19,808 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [776519035] [2022-11-16 11:07:19,808 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [776519035] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 11:07:19,809 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [850703146] [2022-11-16 11:07:19,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:07:19,809 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 11:07:19,809 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b14c2621-c493-4627-9f0a-0e7cad39a17b/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:07:19,812 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b14c2621-c493-4627-9f0a-0e7cad39a17b/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 11:07:19,841 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b14c2621-c493-4627-9f0a-0e7cad39a17b/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-16 11:07:23,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:07:23,915 INFO L263 TraceCheckSpWp]: Trace formula consists of 7001 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-16 11:07:23,928 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 11:07:24,098 INFO L134 CoverageAnalysis]: Checked inductivity of 645 backedges. 224 proven. 1 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2022-11-16 11:07:24,098 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 11:07:24,413 INFO L134 CoverageAnalysis]: Checked inductivity of 645 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 644 trivial. 0 not checked. [2022-11-16 11:07:24,413 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [850703146] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-16 11:07:24,414 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-16 11:07:24,414 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 5, 5] total 14 [2022-11-16 11:07:24,414 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [949437460] [2022-11-16 11:07:24,414 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-16 11:07:24,415 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-11-16 11:07:24,415 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:07:24,416 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-11-16 11:07:24,416 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=142, Unknown=0, NotChecked=0, Total=182 [2022-11-16 11:07:24,416 INFO L87 Difference]: Start difference. First operand 13357 states and 18034 transitions. Second operand has 14 states, 14 states have (on average 10.071428571428571) internal successors, (141), 10 states have internal predecessors, (141), 2 states have call successors, (66), 6 states have call predecessors, (66), 5 states have return successors, (43), 2 states have call predecessors, (43), 2 states have call successors, (43) [2022-11-16 11:07:27,982 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:07:29,993 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:07:40,223 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:07:42,232 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:07:46,363 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:07:46,363 INFO L93 Difference]: Finished difference Result 27358 states and 37034 transitions. [2022-11-16 11:07:46,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-11-16 11:07:46,363 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 10.071428571428571) internal successors, (141), 10 states have internal predecessors, (141), 2 states have call successors, (66), 6 states have call predecessors, (66), 5 states have return successors, (43), 2 states have call predecessors, (43), 2 states have call successors, (43) Word has length 238 [2022-11-16 11:07:46,364 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:07:46,406 INFO L225 Difference]: With dead ends: 27358 [2022-11-16 11:07:46,406 INFO L226 Difference]: Without dead ends: 14015 [2022-11-16 11:07:46,436 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 553 GetRequests, 527 SyntacticMatches, 1 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=178, Invalid=524, Unknown=0, NotChecked=0, Total=702 [2022-11-16 11:07:46,437 INFO L413 NwaCegarLoop]: 1290 mSDtfsCounter, 1158 mSDsluCounter, 5126 mSDsCounter, 0 mSdLazyCounter, 4724 mSolverCounterSat, 1077 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1221 SdHoareTripleChecker+Valid, 6416 SdHoareTripleChecker+Invalid, 5805 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1077 IncrementalHoareTripleChecker+Valid, 4724 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.4s IncrementalHoareTripleChecker+Time [2022-11-16 11:07:46,438 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1221 Valid, 6416 Invalid, 5805 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1077 Valid, 4724 Invalid, 4 Unknown, 0 Unchecked, 20.4s Time] [2022-11-16 11:07:46,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14015 states. [2022-11-16 11:07:47,191 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14015 to 13374. [2022-11-16 11:07:47,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13374 states, 9780 states have (on average 1.3119631901840492) internal successors, (12831), 9853 states have internal predecessors, (12831), 2585 states have call successors, (2585), 994 states have call predecessors, (2585), 1008 states have return successors, (2635), 2566 states have call predecessors, (2635), 2584 states have call successors, (2635) [2022-11-16 11:07:47,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13374 states to 13374 states and 18051 transitions. [2022-11-16 11:07:47,231 INFO L78 Accepts]: Start accepts. Automaton has 13374 states and 18051 transitions. Word has length 238 [2022-11-16 11:07:47,231 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:07:47,231 INFO L495 AbstractCegarLoop]: Abstraction has 13374 states and 18051 transitions. [2022-11-16 11:07:47,231 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 10.071428571428571) internal successors, (141), 10 states have internal predecessors, (141), 2 states have call successors, (66), 6 states have call predecessors, (66), 5 states have return successors, (43), 2 states have call predecessors, (43), 2 states have call successors, (43) [2022-11-16 11:07:47,232 INFO L276 IsEmpty]: Start isEmpty. Operand 13374 states and 18051 transitions. [2022-11-16 11:07:47,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2022-11-16 11:07:47,241 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:07:47,241 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 18, 4, 3, 3, 3, 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, 1, 1, 1, 1] [2022-11-16 11:07:47,272 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b14c2621-c493-4627-9f0a-0e7cad39a17b/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-11-16 11:07:47,451 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b14c2621-c493-4627-9f0a-0e7cad39a17b/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2022-11-16 11:07:47,451 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:07:47,452 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:07:47,452 INFO L85 PathProgramCache]: Analyzing trace with hash 1084075579, now seen corresponding path program 2 times [2022-11-16 11:07:47,452 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:07:47,452 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1532960861] [2022-11-16 11:07:47,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:07:47,452 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:07:53,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:07:53,380 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 11:07:54,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:07:54,698 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 11:07:54,699 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-16 11:07:54,700 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-16 11:07:54,702 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-11-16 11:07:54,706 INFO L444 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:07:54,710 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-16 11:07:54,801 WARN L421 cessorBacktranslator]: Generated EnsuresSpecification free ensures #res.base == #ptr.base && #res.offset == #ptr.offset; is not ensure(true) [2022-11-16 11:07:54,919 WARN L421 cessorBacktranslator]: Generated EnsuresSpecification free ensures #res.base == dest.base && #res.offset == dest.offset; is not ensure(true) [2022-11-16 11:07:55,228 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.11 11:07:55 BoogieIcfgContainer [2022-11-16 11:07:55,228 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-16 11:07:55,229 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-16 11:07:55,229 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-16 11:07:55,229 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-16 11:07:55,230 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:01:48" (3/4) ... [2022-11-16 11:07:55,233 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-16 11:07:55,233 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-16 11:07:55,234 INFO L158 Benchmark]: Toolchain (without parser) took 387642.15ms. Allocated memory was 111.1MB in the beginning and 1.9GB in the end (delta: 1.8GB). Free memory was 69.1MB in the beginning and 1.4GB in the end (delta: -1.3GB). Peak memory consumption was 471.0MB. Max. memory is 16.1GB. [2022-11-16 11:07:55,234 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 111.1MB. Free memory is still 62.0MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 11:07:55,239 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2855.77ms. Allocated memory was 111.1MB in the beginning and 228.6MB in the end (delta: 117.4MB). Free memory was 68.8MB in the beginning and 163.9MB in the end (delta: -95.1MB). Peak memory consumption was 70.4MB. Max. memory is 16.1GB. [2022-11-16 11:07:55,240 INFO L158 Benchmark]: Boogie Procedure Inliner took 358.65ms. Allocated memory is still 228.6MB. Free memory was 163.9MB in the beginning and 126.1MB in the end (delta: 37.7MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2022-11-16 11:07:55,241 INFO L158 Benchmark]: Boogie Preprocessor took 432.00ms. Allocated memory is still 228.6MB. Free memory was 126.1MB in the beginning and 133.5MB in the end (delta: -7.3MB). Peak memory consumption was 47.2MB. Max. memory is 16.1GB. [2022-11-16 11:07:55,241 INFO L158 Benchmark]: RCFGBuilder took 17342.55ms. Allocated memory was 228.6MB in the beginning and 666.9MB in the end (delta: 438.3MB). Free memory was 133.5MB in the beginning and 277.6MB in the end (delta: -144.1MB). Peak memory consumption was 401.3MB. Max. memory is 16.1GB. [2022-11-16 11:07:55,241 INFO L158 Benchmark]: TraceAbstraction took 366640.65ms. Allocated memory was 666.9MB in the beginning and 1.9GB in the end (delta: 1.3GB). Free memory was 276.6MB in the beginning and 1.4GB in the end (delta: -1.1GB). Peak memory consumption was 931.6MB. Max. memory is 16.1GB. [2022-11-16 11:07:55,242 INFO L158 Benchmark]: Witness Printer took 4.63ms. Allocated memory is still 1.9GB. Free memory is still 1.4GB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 11:07:55,244 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 111.1MB. Free memory is still 62.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2855.77ms. Allocated memory was 111.1MB in the beginning and 228.6MB in the end (delta: 117.4MB). Free memory was 68.8MB in the beginning and 163.9MB in the end (delta: -95.1MB). Peak memory consumption was 70.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 358.65ms. Allocated memory is still 228.6MB. Free memory was 163.9MB in the beginning and 126.1MB in the end (delta: 37.7MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 432.00ms. Allocated memory is still 228.6MB. Free memory was 126.1MB in the beginning and 133.5MB in the end (delta: -7.3MB). Peak memory consumption was 47.2MB. Max. memory is 16.1GB. * RCFGBuilder took 17342.55ms. Allocated memory was 228.6MB in the beginning and 666.9MB in the end (delta: 438.3MB). Free memory was 133.5MB in the beginning and 277.6MB in the end (delta: -144.1MB). Peak memory consumption was 401.3MB. Max. memory is 16.1GB. * TraceAbstraction took 366640.65ms. Allocated memory was 666.9MB in the beginning and 1.9GB in the end (delta: 1.3GB). Free memory was 276.6MB in the beginning and 1.4GB in the end (delta: -1.1GB). Peak memory consumption was 931.6MB. Max. memory is 16.1GB. * Witness Printer took 4.63ms. Allocated memory is still 1.9GB. Free memory is still 1.4GB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification free ensures #res.base == #ptr.base && #res.offset == #ptr.offset; is not ensure(true) - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification free ensures #res.base == dest.base && #res.offset == dest.offset; is not ensure(true) * 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: 4280]: 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 4925, overapproximation of bitwiseAnd at line 8031. Possible FailurePath: [L4925-L4928] static struct device_attribute dev_attr_bmCapabilities = {{"bmCapabilities", 292U, (_Bool)0, 0, {{{(char)0}, {(char)0}, {(char)0}, {(char)0}, {(char)0}, {(char)0}, {(char)0}, {(char)0}}}}, & show_caps, (ssize_t (*)(struct device * , struct device_attribute * , char const * , size_t ))0}; [L4305] int ldv_state_variable_6 ; [L4316] int ldv_state_variable_4 ; [L4307] int ldv_state_variable_5 ; [L4303] int LDV_IN_INTERRUPT = 1; [L4969-L4972] static struct device_attribute dev_attr_iCountryCodeRelDate = {{"iCountryCodeRelDate", 292U, (_Bool)0, 0, {{{(char)0}, {(char)0}, {(char)0}, {(char)0}, {(char)0}, {(char)0}, {(char)0}, {(char)0}}}}, & show_country_rel_date, (ssize_t (*)(struct device * , struct device_attribute * , char const * , size_t ))0}; [L4312] int ref_cnt ; [L4742] static struct tty_driver *acm_tty_driver ; [L8027] int ldv_spin = 0; [L4948-L4951] static struct device_attribute dev_attr_wCountryCodes = {{"wCountryCodes", 292U, (_Bool)0, 0, {{{(char)0}, {(char)0}, {(char)0}, {(char)0}, {(char)0}, {(char)0}, {(char)0}, {(char)0}}}}, & show_country_codes, (ssize_t (*)(struct device * , struct device_attribute * , char const * , size_t ))0}; [L7231] struct usb_device_id const __mod_usb__acm_ids_device_table ; [L4315] int usb_counter ; [L6994-L7230] static struct usb_device_id const acm_ids[99U] = { {3U, 6127U, 28672U, (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, 1UL}, {3U, 2160U, 1U, (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, 1UL}, {3U, 3725U, 3U, (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, 1UL}, {3U, 3725U, 13097U, (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, 1UL}, {3U, 1154U, 515U, (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, 1UL}, {3U, 1947U, 15U, (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, 1UL}, {3U, 2766U, 5634U, (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, 2UL}, {3U, 2766U, 5640U, (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, 2UL}, {3U, 2766U, 5649U, (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, 2UL}, {3U, 8888U, 28672U, (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, 1UL}, {3U, 2051U, 12437U, (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, 1UL}, {3U, 1394U, 4897U, (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, 1UL}, {3U, 1394U, 4900U, (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, 1UL}, {3U, 1394U, 4904U, (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, 1UL}, {3U, 8888U, 25637U, (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, 8888U, 11665U, (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, 8888U, 11666U, (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, 1UL}, {3U, 8888U, 11667U, (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, 1UL}, {3U, 8888U, 11669U, (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, 1UL}, {3U, 8888U, 11670U, (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, 1UL}, {3U, 8888U, 11671U, (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, 1UL}, {3U, 8888U, 11673U, (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, 1UL}, {3U, 8888U, 11674U, (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, 1UL}, {3U, 1394U, 4905U, (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, 1UL}, {3U, 1394U, 4928U, (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, 1UL}, {3U, 1529U, 16386U, (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, 1UL}, {3U, 7099U, 3U, (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, 1UL}, {3U, 5494U, 945U, (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, 1UL}, {899U, 1057U, 1069U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 2U, 2U, 255U, (unsigned char)0, 0UL}, {899U, 1057U, 1240U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 2U, 2U, 255U, (unsigned char)0, 0UL}, {899U, 1057U, 1225U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 2U, 2U, 255U, (unsigned char)0, 0UL}, {899U, 1057U, 1049U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 2U, 2U, 255U, (unsigned char)0, 0UL}, {899U, 1057U, 1101U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 2U, 2U, 255U, (unsigned char)0, 0UL}, {899U, 1057U, 1U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 2U, 2U, 255U, (unsigned char)0, 0UL}, {899U, 1057U, 1141U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 2U, 2U, 255U, (unsigned char)0, 0UL}, {899U, 1057U, 1288U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 2U, 2U, 255U, (unsigned char)0, 0UL}, {899U, 1057U, 1048U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 2U, 2U, 255U, (unsigned char)0, 0UL}, {899U, 1057U, 1061U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 2U, 2U, 255U, (unsigned char)0, 0UL}, {899U, 1057U, 1158U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 2U, 2U, 255U, (unsigned char)0, 0UL}, {899U, 1057U, 1247U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 2U, 2U, 255U, (unsigned char)0, 0UL}, {899U, 1057U, 14U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 2U, 2U, 255U, (unsigned char)0, 0UL}, {899U, 1057U, 1093U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 2U, 2U, 255U, (unsigned char)0, 0UL}, {899U, 1057U, 1071U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 2U, 2U, 255U, (unsigned char)0, 0UL}, {899U, 1057U, 1166U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 2U, 2U, 255U, (unsigned char)0, 0UL}, {899U, 1057U, 1056U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 2U, 2U, 255U, (unsigned char)0, 0UL}, {899U, 1057U, 1254U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 2U, 2U, 255U, (unsigned char)0, 0UL}, {899U, 1057U, 1202U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 2U, 2U, 255U, (unsigned char)0, 0UL}, {899U, 1057U, 308U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 2U, 2U, 255U, (unsigned char)0, 0UL}, {899U, 1057U, 1134U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 2U, 2U, 255U, (unsigned char)0, 0UL}, {899U, 1057U, 47U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 2U, 2U, 255U, (unsigned char)0, 0UL}, {899U, 1057U, 136U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 2U, 2U, 255U, (unsigned char)0, 0UL}, {899U, 1057U, 252U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 2U, 2U, 255U, (unsigned char)0, 0UL}, {899U, 1057U, 66U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 2U, 2U, 255U, (unsigned char)0, 0UL}, {899U, 1057U, 176U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 2U, 2U, 255U, (unsigned char)0, 0UL}, {899U, 1057U, 171U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 2U, 2U, 255U, (unsigned char)0, 0UL}, {899U, 1057U, 1153U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 2U, 2U, 255U, (unsigned char)0, 0UL}, {899U, 1057U, 7U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 2U, 2U, 255U, (unsigned char)0, 0UL}, {899U, 1057U, 113U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 2U, 2U, 255U, (unsigned char)0, 0UL}, {899U, 1057U, 1264U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 2U, 2U, 255U, (unsigned char)0, 0UL}, {899U, 1057U, 112U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 2U, 2U, 255U, (unsigned char)0, 0UL}, {899U, 1057U, 233U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 2U, 2U, 255U, (unsigned char)0, 0UL}, {899U, 1057U, 153U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 2U, 2U, 255U, (unsigned char)0, 0UL}, {899U, 1057U, 296U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 2U, 2U, 255U, (unsigned char)0, 0UL}, {899U, 1057U, 143U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 2U, 2U, 255U, (unsigned char)0, 0UL}, {899U, 1057U, 160U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 2U, 2U, 255U, (unsigned char)0, 0UL}, {899U, 1057U, 123U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 2U, 2U, 255U, (unsigned char)0, 0UL}, {899U, 1057U, 148U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 2U, 2U, 255U, (unsigned char)0, 0UL}, {899U, 1057U, 58U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 2U, 2U, 255U, (unsigned char)0, 0UL}, {899U, 1057U, 233U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 2U, 2U, 255U, (unsigned char)0, 0UL}, {899U, 1057U, 264U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 2U, 2U, 255U, (unsigned char)0, 0UL}, {899U, 1057U, 501U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 2U, 2U, 255U, (unsigned char)0, 0UL}, {899U, 1057U, 739U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 2U, 2U, 255U, (unsigned char)0, 0UL}, {899U, 1057U, 376U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 2U, 2U, 255U, (unsigned char)0, 0UL}, {899U, 1057U, 270U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 2U, 2U, 255U, (unsigned char)0, 0UL}, {899U, 1057U, 729U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 2U, 2U, 255U, (unsigned char)0, 0UL}, {899U, 1057U, 464U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 2U, 2U, 255U, (unsigned char)0, 0UL}, {899U, 1057U, 547U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 2U, 2U, 255U, (unsigned char)0, 0UL}, {899U, 1057U, 629U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 2U, 2U, 255U, (unsigned char)0, 0UL}, {899U, 1057U, 620U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 2U, 2U, 255U, (unsigned char)0, 0UL}, {899U, 1057U, 340U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 2U, 2U, 255U, (unsigned char)0, 0UL}, {899U, 1057U, 1230U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 2U, 2U, 255U, (unsigned char)0, 0UL}, {899U, 1057U, 468U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 2U, 2U, 255U, (unsigned char)0, 0UL}, {899U, 1057U, 770U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 2U, 2U, 255U, (unsigned char)0, 0UL}, {899U, 1057U, 821U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 2U, 2U, 255U, (unsigned char)0, 0UL}, {899U, 1057U, 973U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 2U, 2U, 255U, (unsigned char)0, 0UL}, {899U, 1255U, 26193U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 2U, 2U, 255U, (unsigned char)0, 0UL}, {3U, 1003U, 48U, (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, 1684U, 65280U, (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, 8UL}, {3U, 1240U, 11U, (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, 16UL}, {3U, 1240U, 130U, (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, 32UL}, {3U, 1240U, 131U, (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, 32UL}, {896U, (unsigned short)0, (unsigned short)0, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 2U, 2U, 0U, (unsigned char)0, 0UL}, {896U, (unsigned short)0, (unsigned short)0, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 2U, 2U, 1U, (unsigned char)0, 0UL}, {896U, (unsigned short)0, (unsigned short)0, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 2U, 2U, 2U, (unsigned char)0, 0UL}, {896U, (unsigned short)0, (unsigned short)0, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 2U, 2U, 3U, (unsigned char)0, 0UL}, {896U, (unsigned short)0, (unsigned short)0, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 2U, 2U, 4U, (unsigned char)0, 0UL}, {896U, (unsigned short)0, (unsigned short)0, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 2U, 2U, 5U, (unsigned char)0, 0UL}, {896U, (unsigned short)0, (unsigned short)0, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 2U, 2U, 6U, (unsigned char)0, 0UL}}; [L4309] struct tty_port *acm_port_ops_group1 ; [L4304] struct file *acm_ops_group0 ; [L4311] struct tty_struct *acm_ops_group1 ; [L7245-L7250] static struct tty_operations const acm_ops = {0, & acm_tty_install, 0, & acm_tty_open, & acm_tty_close, 0, & acm_tty_cleanup, & acm_tty_write, 0, 0, & acm_tty_write_room, & acm_tty_chars_in_buffer, & acm_tty_ioctl, 0, & acm_tty_set_termios, & acm_tty_throttle, & acm_tty_unthrottle, 0, 0, & acm_tty_hangup, & acm_tty_break_ctl, 0, 0, 0, 0, & acm_tty_tiocmget, & acm_tty_tiocmset, 0, 0, 0, 0, 0, 0, 0}; [L7232-L7244] static struct usb_driver acm_driver = {"cdc_acm", & acm_probe, & acm_disconnect, 0, & acm_suspend, & acm_resume, & acm_reset_resume, 0, 0, (struct usb_device_id const *)(& acm_ids), {{{{{{0U}}, 0U, 0U, 0, {0, {0, 0}, 0, 0, 0UL}}}}, {0, 0}}, {{0, 0, 0, 0, (_Bool)0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}, 0}, (unsigned char)0, 1U, 1U, (unsigned char)0}; [L4743] static struct acm *acm_table[32U] ; [L4313] struct usb_interface *acm_driver_group1 ; [L6052] static struct tty_port_operations const acm_port_ops = {0, & acm_port_dtr_rts, & acm_port_shutdown, & acm_port_activate, & acm_port_destruct}; [L7297] int ldv_retval_0 ; [L7302] int ldv_retval_1 ; [L7296] int ldv_retval_2 ; [L7304] int ldv_retval_3 ; [L7299] int ldv_retval_4 ; [L4744-L4747] static struct mutex acm_table_lock = {{1}, {{{{{0U}}, 3735899821U, 4294967295U, (void *)-1, {0, {0, 0}, "acm_table_lock.wait_lock", 0, 0UL}}}}, {& acm_table_lock.wait_list, & acm_table_lock.wait_list}, 0, 0, (void *)(& acm_table_lock), {0, {0, 0}, "acm_table_lock", 0, 0UL}}; [L7298] int ldv_retval_5 ; [L4310] int ldv_state_variable_2 ; [L7300] int ldv_retval_6 ; [L4308] int ldv_state_variable_3 ; [L4306] int ldv_state_variable_0 ; [L4314] int ldv_state_variable_1 ; VAL [__mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, acm_driver={223:0}, acm_driver_group1={0:0}, acm_ids={221:0}, acm_ops={222:0}, acm_ops_group0={0:0}, acm_ops_group1={0:0}, acm_port_ops={225:0}, acm_port_ops_group1={0:0}, acm_table={224:0}, acm_table_lock={226:0}, acm_tty_driver={0:0}, dev_attr_bmCapabilities={218:0}, dev_attr_iCountryCodeRelDate={219:0}, dev_attr_wCountryCodes={220:0}, 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_retval_5=0, ldv_retval_6=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_state_variable_4=0, ldv_state_variable_5=0, ldv_state_variable_6=0, ref_cnt=0, usb_counter=0] [L7337] char *ldvarg1 ; [L7338] void *tmp ; [L7339] struct device *ldvarg0 ; [L7340] void *tmp___0 ; [L7341] struct device_attribute *ldvarg2 ; [L7342] void *tmp___1 ; [L7343] char *ldvarg4 ; [L7344] void *tmp___2 ; [L7345] struct device *ldvarg3 ; [L7346] void *tmp___3 ; [L7347] struct device_attribute *ldvarg5 ; [L7348] void *tmp___4 ; [L7349] struct ktermios *ldvarg11 ; [L7350] void *tmp___5 ; [L7351] unsigned int ldvarg7 ; [L7352] unsigned int tmp___6 ; [L7353] int ldvarg12 ; [L7354] int tmp___7 ; [L7355] unsigned int ldvarg6 ; [L7356] unsigned int tmp___8 ; [L7357] struct tty_driver *ldvarg8 ; [L7358] void *tmp___9 ; [L7359] unsigned char *ldvarg14 ; [L7360] void *tmp___10 ; [L7361] int ldvarg13 ; [L7362] int tmp___11 ; [L7363] unsigned int ldvarg10 ; [L7364] unsigned int tmp___12 ; [L7365] unsigned long ldvarg9 ; [L7366] unsigned long tmp___13 ; [L7367] struct tty_struct *ldvarg16 ; [L7368] void *tmp___14 ; [L7369] int ldvarg15 ; [L7370] int tmp___15 ; [L7371] struct usb_device_id *ldvarg18 ; [L7372] void *tmp___16 ; [L7373] pm_message_t ldvarg17 ; [L7374] struct device_attribute *ldvarg21 ; [L7375] void *tmp___17 ; [L7376] char *ldvarg20 ; [L7377] void *tmp___18 ; [L7378] struct device *ldvarg19 ; [L7379] void *tmp___19 ; [L7380] int tmp___20 ; [L7381] int tmp___21 ; [L7382] int tmp___22 ; [L7383] int tmp___23 ; [L7384] int tmp___24 ; [L7385] int tmp___25 ; [L7386] int tmp___26 ; [L7387] int tmp___27 ; VAL [__mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, acm_driver={223:0}, acm_driver_group1={0:0}, acm_ids={221:0}, acm_ops={222:0}, acm_ops_group0={0:0}, acm_ops_group1={0:0}, acm_port_ops={225:0}, acm_port_ops_group1={0:0}, acm_table={224:0}, acm_table_lock={226:0}, acm_tty_driver={0:0}, dev_attr_bmCapabilities={218:0}, dev_attr_iCountryCodeRelDate={219:0}, dev_attr_wCountryCodes={220:0}, 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_retval_5=0, ldv_retval_6=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_state_variable_4=0, ldv_state_variable_5=0, ldv_state_variable_6=0, ldvarg17={230:0}, ref_cnt=0, usb_counter=0] [L7389] CALL, EXPR ldv_zalloc(1UL) VAL [__mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, acm_driver={223:0}, acm_driver_group1={0:0}, acm_ids={221:0}, acm_ops={222:0}, acm_ops_group0={0:0}, acm_ops_group1={0:0}, acm_port_ops={225:0}, acm_port_ops_group1={0:0}, acm_table={224:0}, acm_table_lock={226:0}, acm_tty_driver={0:0}, dev_attr_bmCapabilities={218:0}, dev_attr_iCountryCodeRelDate={219:0}, dev_attr_wCountryCodes={220:0}, 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_retval_5=0, ldv_retval_6=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_state_variable_4=0, ldv_state_variable_5=0, ldv_state_variable_6=0, ref_cnt=0, usb_counter=0] [L4244] void *p ; [L4245] void *tmp ; [L4246] int tmp___0 ; [L4248] tmp___0 = __VERIFIER_nondet_int() [L4249] COND TRUE tmp___0 != 0 [L4250] return ((void *)0); VAL [\old(size)=1, \result={0:0}, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, acm_driver={223:0}, acm_driver_group1={0:0}, acm_ids={221:0}, acm_ops={222:0}, acm_ops_group0={0:0}, acm_ops_group1={0:0}, acm_port_ops={225:0}, acm_port_ops_group1={0:0}, acm_table={224:0}, acm_table_lock={226:0}, acm_tty_driver={0:0}, dev_attr_bmCapabilities={218:0}, dev_attr_iCountryCodeRelDate={219:0}, dev_attr_wCountryCodes={220:0}, 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_retval_5=0, ldv_retval_6=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_state_variable_4=0, ldv_state_variable_5=0, ldv_state_variable_6=0, ref_cnt=0, size=1, tmp___0=1, usb_counter=0] [L7389] RET, EXPR ldv_zalloc(1UL) VAL [__mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, acm_driver={223:0}, acm_driver_group1={0:0}, acm_ids={221:0}, acm_ops={222:0}, acm_ops_group0={0:0}, acm_ops_group1={0:0}, acm_port_ops={225:0}, acm_port_ops_group1={0:0}, acm_table={224:0}, acm_table_lock={226:0}, acm_tty_driver={0:0}, dev_attr_bmCapabilities={218:0}, dev_attr_iCountryCodeRelDate={219:0}, dev_attr_wCountryCodes={220:0}, 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_retval_5=0, ldv_retval_6=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_state_variable_4=0, ldv_state_variable_5=0, ldv_state_variable_6=0, ldv_zalloc(1UL)={0:0}, ldvarg17={230:0}, ref_cnt=0, usb_counter=0] [L7389] tmp = ldv_zalloc(1UL) [L7390] ldvarg1 = (char *)tmp VAL [__mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, acm_driver={223:0}, acm_driver_group1={0:0}, acm_ids={221:0}, acm_ops={222:0}, acm_ops_group0={0:0}, acm_ops_group1={0:0}, acm_port_ops={225:0}, acm_port_ops_group1={0:0}, acm_table={224:0}, acm_table_lock={226:0}, acm_tty_driver={0:0}, dev_attr_bmCapabilities={218:0}, dev_attr_iCountryCodeRelDate={219:0}, dev_attr_wCountryCodes={220:0}, 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_retval_5=0, ldv_retval_6=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_state_variable_4=0, ldv_state_variable_5=0, ldv_state_variable_6=0, ldvarg1={0:0}, ldvarg17={230:0}, ref_cnt=0, tmp={0:0}, usb_counter=0] [L7391] CALL, EXPR ldv_zalloc(1416UL) VAL [__mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, acm_driver={223:0}, acm_driver_group1={0:0}, acm_ids={221:0}, acm_ops={222:0}, acm_ops_group0={0:0}, acm_ops_group1={0:0}, acm_port_ops={225:0}, acm_port_ops_group1={0:0}, acm_table={224:0}, acm_table_lock={226:0}, acm_tty_driver={0:0}, dev_attr_bmCapabilities={218:0}, dev_attr_iCountryCodeRelDate={219:0}, dev_attr_wCountryCodes={220:0}, 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_retval_5=0, ldv_retval_6=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_state_variable_4=0, ldv_state_variable_5=0, ldv_state_variable_6=0, ref_cnt=0, usb_counter=0] [L4244] void *p ; [L4245] void *tmp ; [L4246] int tmp___0 ; [L4248] tmp___0 = __VERIFIER_nondet_int() [L4249] COND TRUE tmp___0 != 0 [L4250] return ((void *)0); VAL [\old(size)=1416, \result={0:0}, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, acm_driver={223:0}, acm_driver_group1={0:0}, acm_ids={221:0}, acm_ops={222:0}, acm_ops_group0={0:0}, acm_ops_group1={0:0}, acm_port_ops={225:0}, acm_port_ops_group1={0:0}, acm_table={224:0}, acm_table_lock={226:0}, acm_tty_driver={0:0}, dev_attr_bmCapabilities={218:0}, dev_attr_iCountryCodeRelDate={219:0}, dev_attr_wCountryCodes={220:0}, 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_retval_5=0, ldv_retval_6=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_state_variable_4=0, ldv_state_variable_5=0, ldv_state_variable_6=0, ref_cnt=0, size=1416, tmp___0=1, usb_counter=0] [L7391] RET, EXPR ldv_zalloc(1416UL) VAL [__mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, acm_driver={223:0}, acm_driver_group1={0:0}, acm_ids={221:0}, acm_ops={222:0}, acm_ops_group0={0:0}, acm_ops_group1={0:0}, acm_port_ops={225:0}, acm_port_ops_group1={0:0}, acm_table={224:0}, acm_table_lock={226:0}, acm_tty_driver={0:0}, dev_attr_bmCapabilities={218:0}, dev_attr_iCountryCodeRelDate={219:0}, dev_attr_wCountryCodes={220:0}, 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_retval_5=0, ldv_retval_6=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_state_variable_4=0, ldv_state_variable_5=0, ldv_state_variable_6=0, ldv_zalloc(1416UL)={0:0}, ldvarg1={0:0}, ldvarg17={230:0}, ref_cnt=0, tmp={0:0}, usb_counter=0] [L7391] tmp___0 = ldv_zalloc(1416UL) [L7392] ldvarg0 = (struct device *)tmp___0 VAL [__mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, acm_driver={223:0}, acm_driver_group1={0:0}, acm_ids={221:0}, acm_ops={222:0}, acm_ops_group0={0:0}, acm_ops_group1={0:0}, acm_port_ops={225:0}, acm_port_ops_group1={0:0}, acm_table={224:0}, acm_table_lock={226:0}, acm_tty_driver={0:0}, dev_attr_bmCapabilities={218:0}, dev_attr_iCountryCodeRelDate={219:0}, dev_attr_wCountryCodes={220:0}, 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_retval_5=0, ldv_retval_6=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_state_variable_4=0, ldv_state_variable_5=0, ldv_state_variable_6=0, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg17={230:0}, ref_cnt=0, tmp={0:0}, tmp___0={0:0}, usb_counter=0] [L7393] CALL, EXPR ldv_zalloc(48UL) VAL [__mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, acm_driver={223:0}, acm_driver_group1={0:0}, acm_ids={221:0}, acm_ops={222:0}, acm_ops_group0={0:0}, acm_ops_group1={0:0}, acm_port_ops={225:0}, acm_port_ops_group1={0:0}, acm_table={224:0}, acm_table_lock={226:0}, acm_tty_driver={0:0}, dev_attr_bmCapabilities={218:0}, dev_attr_iCountryCodeRelDate={219:0}, dev_attr_wCountryCodes={220:0}, 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_retval_5=0, ldv_retval_6=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_state_variable_4=0, ldv_state_variable_5=0, ldv_state_variable_6=0, ref_cnt=0, usb_counter=0] [L4244] void *p ; [L4245] void *tmp ; [L4246] int tmp___0 ; [L4248] tmp___0 = __VERIFIER_nondet_int() [L4249] COND TRUE tmp___0 != 0 [L4250] return ((void *)0); VAL [\old(size)=48, \result={0:0}, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, acm_driver={223:0}, acm_driver_group1={0:0}, acm_ids={221:0}, acm_ops={222:0}, acm_ops_group0={0:0}, acm_ops_group1={0:0}, acm_port_ops={225:0}, acm_port_ops_group1={0:0}, acm_table={224:0}, acm_table_lock={226:0}, acm_tty_driver={0:0}, dev_attr_bmCapabilities={218:0}, dev_attr_iCountryCodeRelDate={219:0}, dev_attr_wCountryCodes={220:0}, 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_retval_5=0, ldv_retval_6=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_state_variable_4=0, ldv_state_variable_5=0, ldv_state_variable_6=0, ref_cnt=0, size=48, tmp___0=1, usb_counter=0] [L7393] RET, EXPR ldv_zalloc(48UL) VAL [__mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, acm_driver={223:0}, acm_driver_group1={0:0}, acm_ids={221:0}, acm_ops={222:0}, acm_ops_group0={0:0}, acm_ops_group1={0:0}, acm_port_ops={225:0}, acm_port_ops_group1={0:0}, acm_table={224:0}, acm_table_lock={226:0}, acm_tty_driver={0:0}, dev_attr_bmCapabilities={218:0}, dev_attr_iCountryCodeRelDate={219:0}, dev_attr_wCountryCodes={220:0}, 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_retval_5=0, ldv_retval_6=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_state_variable_4=0, ldv_state_variable_5=0, ldv_state_variable_6=0, ldv_zalloc(48UL)={0:0}, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg17={230:0}, ref_cnt=0, tmp={0:0}, tmp___0={0:0}, usb_counter=0] [L7393] tmp___1 = ldv_zalloc(48UL) [L7394] ldvarg2 = (struct device_attribute *)tmp___1 VAL [__mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, acm_driver={223:0}, acm_driver_group1={0:0}, acm_ids={221:0}, acm_ops={222:0}, acm_ops_group0={0:0}, acm_ops_group1={0:0}, acm_port_ops={225:0}, acm_port_ops_group1={0:0}, acm_table={224:0}, acm_table_lock={226:0}, acm_tty_driver={0:0}, dev_attr_bmCapabilities={218:0}, dev_attr_iCountryCodeRelDate={219:0}, dev_attr_wCountryCodes={220:0}, 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_retval_5=0, ldv_retval_6=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_state_variable_4=0, ldv_state_variable_5=0, ldv_state_variable_6=0, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg17={230:0}, ldvarg2={0:0}, ref_cnt=0, tmp={0:0}, tmp___0={0:0}, tmp___1={0:0}, usb_counter=0] [L7395] CALL, EXPR ldv_zalloc(1UL) VAL [__mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, acm_driver={223:0}, acm_driver_group1={0:0}, acm_ids={221:0}, acm_ops={222:0}, acm_ops_group0={0:0}, acm_ops_group1={0:0}, acm_port_ops={225:0}, acm_port_ops_group1={0:0}, acm_table={224:0}, acm_table_lock={226:0}, acm_tty_driver={0:0}, dev_attr_bmCapabilities={218:0}, dev_attr_iCountryCodeRelDate={219:0}, dev_attr_wCountryCodes={220:0}, 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_retval_5=0, ldv_retval_6=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_state_variable_4=0, ldv_state_variable_5=0, ldv_state_variable_6=0, ref_cnt=0, usb_counter=0] [L4244] void *p ; [L4245] void *tmp ; [L4246] int tmp___0 ; [L4248] tmp___0 = __VERIFIER_nondet_int() [L4249] COND TRUE tmp___0 != 0 [L4250] return ((void *)0); VAL [\old(size)=1, \result={0:0}, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, acm_driver={223:0}, acm_driver_group1={0:0}, acm_ids={221:0}, acm_ops={222:0}, acm_ops_group0={0:0}, acm_ops_group1={0:0}, acm_port_ops={225:0}, acm_port_ops_group1={0:0}, acm_table={224:0}, acm_table_lock={226:0}, acm_tty_driver={0:0}, dev_attr_bmCapabilities={218:0}, dev_attr_iCountryCodeRelDate={219:0}, dev_attr_wCountryCodes={220:0}, 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_retval_5=0, ldv_retval_6=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_state_variable_4=0, ldv_state_variable_5=0, ldv_state_variable_6=0, ref_cnt=0, size=1, tmp___0=1, usb_counter=0] [L7395] RET, EXPR ldv_zalloc(1UL) VAL [__mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, acm_driver={223:0}, acm_driver_group1={0:0}, acm_ids={221:0}, acm_ops={222:0}, acm_ops_group0={0:0}, acm_ops_group1={0:0}, acm_port_ops={225:0}, acm_port_ops_group1={0:0}, acm_table={224:0}, acm_table_lock={226:0}, acm_tty_driver={0:0}, dev_attr_bmCapabilities={218:0}, dev_attr_iCountryCodeRelDate={219:0}, dev_attr_wCountryCodes={220:0}, 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_retval_5=0, ldv_retval_6=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_state_variable_4=0, ldv_state_variable_5=0, ldv_state_variable_6=0, ldv_zalloc(1UL)={0:0}, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg17={230:0}, ldvarg2={0:0}, ref_cnt=0, tmp={0:0}, tmp___0={0:0}, tmp___1={0:0}, usb_counter=0] [L7395] tmp___2 = ldv_zalloc(1UL) [L7396] ldvarg4 = (char *)tmp___2 VAL [__mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, acm_driver={223:0}, acm_driver_group1={0:0}, acm_ids={221:0}, acm_ops={222:0}, acm_ops_group0={0:0}, acm_ops_group1={0:0}, acm_port_ops={225:0}, acm_port_ops_group1={0:0}, acm_table={224:0}, acm_table_lock={226:0}, acm_tty_driver={0:0}, dev_attr_bmCapabilities={218:0}, dev_attr_iCountryCodeRelDate={219:0}, dev_attr_wCountryCodes={220:0}, 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_retval_5=0, ldv_retval_6=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_state_variable_4=0, ldv_state_variable_5=0, ldv_state_variable_6=0, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg17={230:0}, ldvarg2={0:0}, ldvarg4={0:0}, ref_cnt=0, tmp={0:0}, tmp___0={0:0}, tmp___1={0:0}, tmp___2={0:0}, usb_counter=0] [L7397] CALL, EXPR ldv_zalloc(1416UL) VAL [__mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, acm_driver={223:0}, acm_driver_group1={0:0}, acm_ids={221:0}, acm_ops={222:0}, acm_ops_group0={0:0}, acm_ops_group1={0:0}, acm_port_ops={225:0}, acm_port_ops_group1={0:0}, acm_table={224:0}, acm_table_lock={226:0}, acm_tty_driver={0:0}, dev_attr_bmCapabilities={218:0}, dev_attr_iCountryCodeRelDate={219:0}, dev_attr_wCountryCodes={220:0}, 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_retval_5=0, ldv_retval_6=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_state_variable_4=0, ldv_state_variable_5=0, ldv_state_variable_6=0, ref_cnt=0, usb_counter=0] [L4244] void *p ; [L4245] void *tmp ; [L4246] int tmp___0 ; [L4248] tmp___0 = __VERIFIER_nondet_int() [L4249] COND TRUE tmp___0 != 0 [L4250] return ((void *)0); VAL [\old(size)=1416, \result={0:0}, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, acm_driver={223:0}, acm_driver_group1={0:0}, acm_ids={221:0}, acm_ops={222:0}, acm_ops_group0={0:0}, acm_ops_group1={0:0}, acm_port_ops={225:0}, acm_port_ops_group1={0:0}, acm_table={224:0}, acm_table_lock={226:0}, acm_tty_driver={0:0}, dev_attr_bmCapabilities={218:0}, dev_attr_iCountryCodeRelDate={219:0}, dev_attr_wCountryCodes={220:0}, 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_retval_5=0, ldv_retval_6=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_state_variable_4=0, ldv_state_variable_5=0, ldv_state_variable_6=0, ref_cnt=0, size=1416, tmp___0=1, usb_counter=0] [L7397] RET, EXPR ldv_zalloc(1416UL) VAL [__mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, acm_driver={223:0}, acm_driver_group1={0:0}, acm_ids={221:0}, acm_ops={222:0}, acm_ops_group0={0:0}, acm_ops_group1={0:0}, acm_port_ops={225:0}, acm_port_ops_group1={0:0}, acm_table={224:0}, acm_table_lock={226:0}, acm_tty_driver={0:0}, dev_attr_bmCapabilities={218:0}, dev_attr_iCountryCodeRelDate={219:0}, dev_attr_wCountryCodes={220:0}, 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_retval_5=0, ldv_retval_6=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_state_variable_4=0, ldv_state_variable_5=0, ldv_state_variable_6=0, ldv_zalloc(1416UL)={0:0}, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg17={230:0}, ldvarg2={0:0}, ldvarg4={0:0}, ref_cnt=0, tmp={0:0}, tmp___0={0:0}, tmp___1={0:0}, tmp___2={0:0}, usb_counter=0] [L7397] tmp___3 = ldv_zalloc(1416UL) [L7398] ldvarg3 = (struct device *)tmp___3 VAL [__mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, acm_driver={223:0}, acm_driver_group1={0:0}, acm_ids={221:0}, acm_ops={222:0}, acm_ops_group0={0:0}, acm_ops_group1={0:0}, acm_port_ops={225:0}, acm_port_ops_group1={0:0}, acm_table={224:0}, acm_table_lock={226:0}, acm_tty_driver={0:0}, dev_attr_bmCapabilities={218:0}, dev_attr_iCountryCodeRelDate={219:0}, dev_attr_wCountryCodes={220:0}, 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_retval_5=0, ldv_retval_6=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_state_variable_4=0, ldv_state_variable_5=0, ldv_state_variable_6=0, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg17={230:0}, ldvarg2={0:0}, ldvarg3={0:0}, ldvarg4={0:0}, ref_cnt=0, tmp={0:0}, tmp___0={0:0}, tmp___1={0:0}, tmp___2={0:0}, tmp___3={0:0}, usb_counter=0] [L7399] CALL, EXPR ldv_zalloc(48UL) VAL [__mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, acm_driver={223:0}, acm_driver_group1={0:0}, acm_ids={221:0}, acm_ops={222:0}, acm_ops_group0={0:0}, acm_ops_group1={0:0}, acm_port_ops={225:0}, acm_port_ops_group1={0:0}, acm_table={224:0}, acm_table_lock={226:0}, acm_tty_driver={0:0}, dev_attr_bmCapabilities={218:0}, dev_attr_iCountryCodeRelDate={219:0}, dev_attr_wCountryCodes={220:0}, 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_retval_5=0, ldv_retval_6=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_state_variable_4=0, ldv_state_variable_5=0, ldv_state_variable_6=0, ref_cnt=0, usb_counter=0] [L4244] void *p ; [L4245] void *tmp ; [L4246] int tmp___0 ; [L4248] tmp___0 = __VERIFIER_nondet_int() [L4249] COND TRUE tmp___0 != 0 [L4250] return ((void *)0); VAL [\old(size)=48, \result={0:0}, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, acm_driver={223:0}, acm_driver_group1={0:0}, acm_ids={221:0}, acm_ops={222:0}, acm_ops_group0={0:0}, acm_ops_group1={0:0}, acm_port_ops={225:0}, acm_port_ops_group1={0:0}, acm_table={224:0}, acm_table_lock={226:0}, acm_tty_driver={0:0}, dev_attr_bmCapabilities={218:0}, dev_attr_iCountryCodeRelDate={219:0}, dev_attr_wCountryCodes={220:0}, 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_retval_5=0, ldv_retval_6=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_state_variable_4=0, ldv_state_variable_5=0, ldv_state_variable_6=0, ref_cnt=0, size=48, tmp___0=1, usb_counter=0] [L7399] RET, EXPR ldv_zalloc(48UL) VAL [__mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, acm_driver={223:0}, acm_driver_group1={0:0}, acm_ids={221:0}, acm_ops={222:0}, acm_ops_group0={0:0}, acm_ops_group1={0:0}, acm_port_ops={225:0}, acm_port_ops_group1={0:0}, acm_table={224:0}, acm_table_lock={226:0}, acm_tty_driver={0:0}, dev_attr_bmCapabilities={218:0}, dev_attr_iCountryCodeRelDate={219:0}, dev_attr_wCountryCodes={220:0}, 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_retval_5=0, ldv_retval_6=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_state_variable_4=0, ldv_state_variable_5=0, ldv_state_variable_6=0, ldv_zalloc(48UL)={0:0}, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg17={230:0}, ldvarg2={0:0}, ldvarg3={0:0}, ldvarg4={0:0}, ref_cnt=0, tmp={0:0}, tmp___0={0:0}, tmp___1={0:0}, tmp___2={0:0}, tmp___3={0:0}, usb_counter=0] [L7399] tmp___4 = ldv_zalloc(48UL) [L7400] ldvarg5 = (struct device_attribute *)tmp___4 VAL [__mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, acm_driver={223:0}, acm_driver_group1={0:0}, acm_ids={221:0}, acm_ops={222:0}, acm_ops_group0={0:0}, acm_ops_group1={0:0}, acm_port_ops={225:0}, acm_port_ops_group1={0:0}, acm_table={224:0}, acm_table_lock={226:0}, acm_tty_driver={0:0}, dev_attr_bmCapabilities={218:0}, dev_attr_iCountryCodeRelDate={219:0}, dev_attr_wCountryCodes={220:0}, 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_retval_5=0, ldv_retval_6=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_state_variable_4=0, ldv_state_variable_5=0, ldv_state_variable_6=0, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg17={230:0}, ldvarg2={0:0}, ldvarg3={0:0}, ldvarg4={0:0}, ldvarg5={0:0}, ref_cnt=0, tmp={0:0}, tmp___0={0:0}, tmp___1={0:0}, tmp___2={0:0}, tmp___3={0:0}, tmp___4={0:0}, usb_counter=0] [L7401] CALL, EXPR ldv_zalloc(44UL) VAL [__mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, acm_driver={223:0}, acm_driver_group1={0:0}, acm_ids={221:0}, acm_ops={222:0}, acm_ops_group0={0:0}, acm_ops_group1={0:0}, acm_port_ops={225:0}, acm_port_ops_group1={0:0}, acm_table={224:0}, acm_table_lock={226:0}, acm_tty_driver={0:0}, dev_attr_bmCapabilities={218:0}, dev_attr_iCountryCodeRelDate={219:0}, dev_attr_wCountryCodes={220:0}, 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_retval_5=0, ldv_retval_6=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_state_variable_4=0, ldv_state_variable_5=0, ldv_state_variable_6=0, ref_cnt=0, usb_counter=0] [L4244] void *p ; [L4245] void *tmp ; [L4246] int tmp___0 ; [L4248] tmp___0 = __VERIFIER_nondet_int() [L4249] COND TRUE tmp___0 != 0 [L4250] return ((void *)0); VAL [\old(size)=44, \result={0:0}, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, acm_driver={223:0}, acm_driver_group1={0:0}, acm_ids={221:0}, acm_ops={222:0}, acm_ops_group0={0:0}, acm_ops_group1={0:0}, acm_port_ops={225:0}, acm_port_ops_group1={0:0}, acm_table={224:0}, acm_table_lock={226:0}, acm_tty_driver={0:0}, dev_attr_bmCapabilities={218:0}, dev_attr_iCountryCodeRelDate={219:0}, dev_attr_wCountryCodes={220:0}, 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_retval_5=0, ldv_retval_6=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_state_variable_4=0, ldv_state_variable_5=0, ldv_state_variable_6=0, ref_cnt=0, size=44, tmp___0=1, usb_counter=0] [L7401] RET, EXPR ldv_zalloc(44UL) VAL [__mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, acm_driver={223:0}, acm_driver_group1={0:0}, acm_ids={221:0}, acm_ops={222:0}, acm_ops_group0={0:0}, acm_ops_group1={0:0}, acm_port_ops={225:0}, acm_port_ops_group1={0:0}, acm_table={224:0}, acm_table_lock={226:0}, acm_tty_driver={0:0}, dev_attr_bmCapabilities={218:0}, dev_attr_iCountryCodeRelDate={219:0}, dev_attr_wCountryCodes={220:0}, 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_retval_5=0, ldv_retval_6=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_state_variable_4=0, ldv_state_variable_5=0, ldv_state_variable_6=0, ldv_zalloc(44UL)={0:0}, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg17={230:0}, ldvarg2={0:0}, ldvarg3={0:0}, ldvarg4={0:0}, ldvarg5={0:0}, ref_cnt=0, tmp={0:0}, tmp___0={0:0}, tmp___1={0:0}, tmp___2={0:0}, tmp___3={0:0}, tmp___4={0:0}, usb_counter=0] [L7401] tmp___5 = ldv_zalloc(44UL) [L7402] ldvarg11 = (struct ktermios *)tmp___5 [L7403] tmp___6 = __VERIFIER_nondet_uint() [L7404] ldvarg7 = tmp___6 [L7405] tmp___7 = __VERIFIER_nondet_int() [L7406] ldvarg12 = tmp___7 [L7407] tmp___8 = __VERIFIER_nondet_uint() [L7408] ldvarg6 = tmp___8 VAL [__mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, acm_driver={223:0}, acm_driver_group1={0:0}, acm_ids={221:0}, acm_ops={222:0}, acm_ops_group0={0:0}, acm_ops_group1={0:0}, acm_port_ops={225:0}, acm_port_ops_group1={0:0}, acm_table={224:0}, acm_table_lock={226:0}, acm_tty_driver={0:0}, dev_attr_bmCapabilities={218:0}, dev_attr_iCountryCodeRelDate={219:0}, dev_attr_wCountryCodes={220:0}, 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_retval_5=0, ldv_retval_6=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_state_variable_4=0, ldv_state_variable_5=0, ldv_state_variable_6=0, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg11={0:0}, ldvarg12=-2, ldvarg17={230:0}, ldvarg2={0:0}, ldvarg3={0:0}, ldvarg4={0:0}, ldvarg5={0:0}, ldvarg6=58, ldvarg7=66, ref_cnt=0, tmp={0:0}, tmp___0={0:0}, tmp___1={0:0}, tmp___2={0:0}, tmp___3={0:0}, tmp___4={0:0}, tmp___5={0:0}, tmp___6=66, tmp___7=-2, tmp___8=58, usb_counter=0] [L7409] CALL, EXPR ldv_zalloc(184UL) VAL [__mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, acm_driver={223:0}, acm_driver_group1={0:0}, acm_ids={221:0}, acm_ops={222:0}, acm_ops_group0={0:0}, acm_ops_group1={0:0}, acm_port_ops={225:0}, acm_port_ops_group1={0:0}, acm_table={224:0}, acm_table_lock={226:0}, acm_tty_driver={0:0}, dev_attr_bmCapabilities={218:0}, dev_attr_iCountryCodeRelDate={219:0}, dev_attr_wCountryCodes={220:0}, 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_retval_5=0, ldv_retval_6=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_state_variable_4=0, ldv_state_variable_5=0, ldv_state_variable_6=0, ref_cnt=0, usb_counter=0] [L4244] void *p ; [L4245] void *tmp ; [L4246] int tmp___0 ; [L4248] tmp___0 = __VERIFIER_nondet_int() [L4249] COND TRUE tmp___0 != 0 [L4250] return ((void *)0); VAL [\old(size)=184, \result={0:0}, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, acm_driver={223:0}, acm_driver_group1={0:0}, acm_ids={221:0}, acm_ops={222:0}, acm_ops_group0={0:0}, acm_ops_group1={0:0}, acm_port_ops={225:0}, acm_port_ops_group1={0:0}, acm_table={224:0}, acm_table_lock={226:0}, acm_tty_driver={0:0}, dev_attr_bmCapabilities={218:0}, dev_attr_iCountryCodeRelDate={219:0}, dev_attr_wCountryCodes={220:0}, 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_retval_5=0, ldv_retval_6=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_state_variable_4=0, ldv_state_variable_5=0, ldv_state_variable_6=0, ref_cnt=0, size=184, tmp___0=1, usb_counter=0] [L7409] RET, EXPR ldv_zalloc(184UL) VAL [__mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, acm_driver={223:0}, acm_driver_group1={0:0}, acm_ids={221:0}, acm_ops={222:0}, acm_ops_group0={0:0}, acm_ops_group1={0:0}, acm_port_ops={225:0}, acm_port_ops_group1={0:0}, acm_table={224:0}, acm_table_lock={226:0}, acm_tty_driver={0:0}, dev_attr_bmCapabilities={218:0}, dev_attr_iCountryCodeRelDate={219:0}, dev_attr_wCountryCodes={220:0}, 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_retval_5=0, ldv_retval_6=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_state_variable_4=0, ldv_state_variable_5=0, ldv_state_variable_6=0, ldv_zalloc(184UL)={0:0}, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg11={0:0}, ldvarg12=-2, ldvarg17={230:0}, ldvarg2={0:0}, ldvarg3={0:0}, ldvarg4={0:0}, ldvarg5={0:0}, ldvarg6=58, ldvarg7=66, ref_cnt=0, tmp={0:0}, tmp___0={0:0}, tmp___1={0:0}, tmp___2={0:0}, tmp___3={0:0}, tmp___4={0:0}, tmp___5={0:0}, tmp___6=66, tmp___7=-2, tmp___8=58, usb_counter=0] [L7409] tmp___9 = ldv_zalloc(184UL) [L7410] ldvarg8 = (struct tty_driver *)tmp___9 VAL [__mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, acm_driver={223:0}, acm_driver_group1={0:0}, acm_ids={221:0}, acm_ops={222:0}, acm_ops_group0={0:0}, acm_ops_group1={0:0}, acm_port_ops={225:0}, acm_port_ops_group1={0:0}, acm_table={224:0}, acm_table_lock={226:0}, acm_tty_driver={0:0}, dev_attr_bmCapabilities={218:0}, dev_attr_iCountryCodeRelDate={219:0}, dev_attr_wCountryCodes={220:0}, 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_retval_5=0, ldv_retval_6=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_state_variable_4=0, ldv_state_variable_5=0, ldv_state_variable_6=0, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg11={0:0}, ldvarg12=-2, ldvarg17={230:0}, ldvarg2={0:0}, ldvarg3={0:0}, ldvarg4={0:0}, ldvarg5={0:0}, ldvarg6=58, ldvarg7=66, ldvarg8={0:0}, ref_cnt=0, tmp={0:0}, tmp___0={0:0}, tmp___1={0:0}, tmp___2={0:0}, tmp___3={0:0}, tmp___4={0:0}, tmp___5={0:0}, tmp___6=66, tmp___7=-2, tmp___8=58, tmp___9={0:0}, usb_counter=0] [L7411] CALL, EXPR ldv_zalloc(1UL) VAL [__mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, acm_driver={223:0}, acm_driver_group1={0:0}, acm_ids={221:0}, acm_ops={222:0}, acm_ops_group0={0:0}, acm_ops_group1={0:0}, acm_port_ops={225:0}, acm_port_ops_group1={0:0}, acm_table={224:0}, acm_table_lock={226:0}, acm_tty_driver={0:0}, dev_attr_bmCapabilities={218:0}, dev_attr_iCountryCodeRelDate={219:0}, dev_attr_wCountryCodes={220:0}, 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_retval_5=0, ldv_retval_6=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_state_variable_4=0, ldv_state_variable_5=0, ldv_state_variable_6=0, ref_cnt=0, usb_counter=0] [L4244] void *p ; [L4245] void *tmp ; [L4246] int tmp___0 ; [L4248] tmp___0 = __VERIFIER_nondet_int() [L4249] COND TRUE tmp___0 != 0 [L4250] return ((void *)0); VAL [\old(size)=1, \result={0:0}, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, acm_driver={223:0}, acm_driver_group1={0:0}, acm_ids={221:0}, acm_ops={222:0}, acm_ops_group0={0:0}, acm_ops_group1={0:0}, acm_port_ops={225:0}, acm_port_ops_group1={0:0}, acm_table={224:0}, acm_table_lock={226:0}, acm_tty_driver={0:0}, dev_attr_bmCapabilities={218:0}, dev_attr_iCountryCodeRelDate={219:0}, dev_attr_wCountryCodes={220:0}, 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_retval_5=0, ldv_retval_6=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_state_variable_4=0, ldv_state_variable_5=0, ldv_state_variable_6=0, ref_cnt=0, size=1, tmp___0=1, usb_counter=0] [L7411] RET, EXPR ldv_zalloc(1UL) VAL [__mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, acm_driver={223:0}, acm_driver_group1={0:0}, acm_ids={221:0}, acm_ops={222:0}, acm_ops_group0={0:0}, acm_ops_group1={0:0}, acm_port_ops={225:0}, acm_port_ops_group1={0:0}, acm_table={224:0}, acm_table_lock={226:0}, acm_tty_driver={0:0}, dev_attr_bmCapabilities={218:0}, dev_attr_iCountryCodeRelDate={219:0}, dev_attr_wCountryCodes={220:0}, 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_retval_5=0, ldv_retval_6=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_state_variable_4=0, ldv_state_variable_5=0, ldv_state_variable_6=0, ldv_zalloc(1UL)={0:0}, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg11={0:0}, ldvarg12=-2, ldvarg17={230:0}, ldvarg2={0:0}, ldvarg3={0:0}, ldvarg4={0:0}, ldvarg5={0:0}, ldvarg6=58, ldvarg7=66, ldvarg8={0:0}, ref_cnt=0, tmp={0:0}, tmp___0={0:0}, tmp___1={0:0}, tmp___2={0:0}, tmp___3={0:0}, tmp___4={0:0}, tmp___5={0:0}, tmp___6=66, tmp___7=-2, tmp___8=58, tmp___9={0:0}, usb_counter=0] [L7411] tmp___10 = ldv_zalloc(1UL) [L7412] ldvarg14 = (unsigned char *)tmp___10 [L7413] tmp___11 = __VERIFIER_nondet_int() [L7414] ldvarg13 = tmp___11 [L7415] tmp___12 = __VERIFIER_nondet_uint() [L7416] ldvarg10 = tmp___12 [L7417] tmp___13 = __VERIFIER_nondet_ulong() [L7418] ldvarg9 = tmp___13 VAL [__mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, acm_driver={223:0}, acm_driver_group1={0:0}, acm_ids={221:0}, acm_ops={222:0}, acm_ops_group0={0:0}, acm_ops_group1={0:0}, acm_port_ops={225:0}, acm_port_ops_group1={0:0}, acm_table={224:0}, acm_table_lock={226:0}, acm_tty_driver={0:0}, dev_attr_bmCapabilities={218:0}, dev_attr_iCountryCodeRelDate={219:0}, dev_attr_wCountryCodes={220:0}, 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_retval_5=0, ldv_retval_6=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_state_variable_4=0, ldv_state_variable_5=0, ldv_state_variable_6=0, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg10=115, ldvarg11={0:0}, ldvarg12=-2, ldvarg13=-6, ldvarg14={0:0}, ldvarg17={230:0}, ldvarg2={0:0}, ldvarg3={0:0}, ldvarg4={0:0}, ldvarg5={0:0}, ldvarg6=58, ldvarg7=66, ldvarg8={0:0}, ldvarg9=4294967323, ref_cnt=0, tmp={0:0}, tmp___0={0:0}, tmp___1={0:0}, tmp___10={0:0}, tmp___11=-6, tmp___12=115, tmp___13=4294967323, tmp___2={0:0}, tmp___3={0:0}, tmp___4={0:0}, tmp___5={0:0}, tmp___6=66, tmp___7=-2, tmp___8=58, tmp___9={0:0}, usb_counter=0] [L7419] CALL, EXPR ldv_zalloc(1752UL) VAL [__mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, acm_driver={223:0}, acm_driver_group1={0:0}, acm_ids={221:0}, acm_ops={222:0}, acm_ops_group0={0:0}, acm_ops_group1={0:0}, acm_port_ops={225:0}, acm_port_ops_group1={0:0}, acm_table={224:0}, acm_table_lock={226:0}, acm_tty_driver={0:0}, dev_attr_bmCapabilities={218:0}, dev_attr_iCountryCodeRelDate={219:0}, dev_attr_wCountryCodes={220:0}, 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_retval_5=0, ldv_retval_6=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_state_variable_4=0, ldv_state_variable_5=0, ldv_state_variable_6=0, ref_cnt=0, usb_counter=0] [L4244] void *p ; [L4245] void *tmp ; [L4246] int tmp___0 ; [L4248] tmp___0 = __VERIFIER_nondet_int() [L4249] COND TRUE tmp___0 != 0 [L4250] return ((void *)0); VAL [\old(size)=1752, \result={0:0}, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, acm_driver={223:0}, acm_driver_group1={0:0}, acm_ids={221:0}, acm_ops={222:0}, acm_ops_group0={0:0}, acm_ops_group1={0:0}, acm_port_ops={225:0}, acm_port_ops_group1={0:0}, acm_table={224:0}, acm_table_lock={226:0}, acm_tty_driver={0:0}, dev_attr_bmCapabilities={218:0}, dev_attr_iCountryCodeRelDate={219:0}, dev_attr_wCountryCodes={220:0}, 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_retval_5=0, ldv_retval_6=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_state_variable_4=0, ldv_state_variable_5=0, ldv_state_variable_6=0, ref_cnt=0, size=1752, tmp___0=1, usb_counter=0] [L7419] RET, EXPR ldv_zalloc(1752UL) VAL [__mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, acm_driver={223:0}, acm_driver_group1={0:0}, acm_ids={221:0}, acm_ops={222:0}, acm_ops_group0={0:0}, acm_ops_group1={0:0}, acm_port_ops={225:0}, acm_port_ops_group1={0:0}, acm_table={224:0}, acm_table_lock={226:0}, acm_tty_driver={0:0}, dev_attr_bmCapabilities={218:0}, dev_attr_iCountryCodeRelDate={219:0}, dev_attr_wCountryCodes={220:0}, 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_retval_5=0, ldv_retval_6=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_state_variable_4=0, ldv_state_variable_5=0, ldv_state_variable_6=0, ldv_zalloc(1752UL)={0:0}, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg10=115, ldvarg11={0:0}, ldvarg12=-2, ldvarg13=-6, ldvarg14={0:0}, ldvarg17={230:0}, ldvarg2={0:0}, ldvarg3={0:0}, ldvarg4={0:0}, ldvarg5={0:0}, ldvarg6=58, ldvarg7=66, ldvarg8={0:0}, ldvarg9=4294967323, ref_cnt=0, tmp={0:0}, tmp___0={0:0}, tmp___1={0:0}, tmp___10={0:0}, tmp___11=-6, tmp___12=115, tmp___13=4294967323, tmp___2={0:0}, tmp___3={0:0}, tmp___4={0:0}, tmp___5={0:0}, tmp___6=66, tmp___7=-2, tmp___8=58, tmp___9={0:0}, usb_counter=0] [L7419] tmp___14 = ldv_zalloc(1752UL) [L7420] ldvarg16 = (struct tty_struct *)tmp___14 [L7421] tmp___15 = __VERIFIER_nondet_int() [L7422] ldvarg15 = tmp___15 VAL [__mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, acm_driver={223:0}, acm_driver_group1={0:0}, acm_ids={221:0}, acm_ops={222:0}, acm_ops_group0={0:0}, acm_ops_group1={0:0}, acm_port_ops={225:0}, acm_port_ops_group1={0:0}, acm_table={224:0}, acm_table_lock={226:0}, acm_tty_driver={0:0}, dev_attr_bmCapabilities={218:0}, dev_attr_iCountryCodeRelDate={219:0}, dev_attr_wCountryCodes={220:0}, 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_retval_5=0, ldv_retval_6=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_state_variable_4=0, ldv_state_variable_5=0, ldv_state_variable_6=0, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg10=115, ldvarg11={0:0}, ldvarg12=-2, ldvarg13=-6, ldvarg14={0:0}, ldvarg15=-3, ldvarg16={0:0}, ldvarg17={230:0}, ldvarg2={0:0}, ldvarg3={0:0}, ldvarg4={0:0}, ldvarg5={0:0}, ldvarg6=58, ldvarg7=66, ldvarg8={0:0}, ldvarg9=4294967323, ref_cnt=0, tmp={0:0}, tmp___0={0:0}, tmp___1={0:0}, tmp___10={0:0}, tmp___11=-6, tmp___12=115, tmp___13=4294967323, tmp___14={0:0}, tmp___15=-3, tmp___2={0:0}, tmp___3={0:0}, tmp___4={0:0}, tmp___5={0:0}, tmp___6=66, tmp___7=-2, tmp___8=58, tmp___9={0:0}, usb_counter=0] [L7423] CALL, EXPR ldv_zalloc(32UL) VAL [__mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, acm_driver={223:0}, acm_driver_group1={0:0}, acm_ids={221:0}, acm_ops={222:0}, acm_ops_group0={0:0}, acm_ops_group1={0:0}, acm_port_ops={225:0}, acm_port_ops_group1={0:0}, acm_table={224:0}, acm_table_lock={226:0}, acm_tty_driver={0:0}, dev_attr_bmCapabilities={218:0}, dev_attr_iCountryCodeRelDate={219:0}, dev_attr_wCountryCodes={220:0}, 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_retval_5=0, ldv_retval_6=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_state_variable_4=0, ldv_state_variable_5=0, ldv_state_variable_6=0, ref_cnt=0, usb_counter=0] [L4244] void *p ; [L4245] void *tmp ; [L4246] int tmp___0 ; [L4248] tmp___0 = __VERIFIER_nondet_int() [L4249] COND TRUE tmp___0 != 0 [L4250] return ((void *)0); VAL [\old(size)=32, \result={0:0}, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, acm_driver={223:0}, acm_driver_group1={0:0}, acm_ids={221:0}, acm_ops={222:0}, acm_ops_group0={0:0}, acm_ops_group1={0:0}, acm_port_ops={225:0}, acm_port_ops_group1={0:0}, acm_table={224:0}, acm_table_lock={226:0}, acm_tty_driver={0:0}, dev_attr_bmCapabilities={218:0}, dev_attr_iCountryCodeRelDate={219:0}, dev_attr_wCountryCodes={220:0}, 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_retval_5=0, ldv_retval_6=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_state_variable_4=0, ldv_state_variable_5=0, ldv_state_variable_6=0, ref_cnt=0, size=32, tmp___0=1, usb_counter=0] [L7423] RET, EXPR ldv_zalloc(32UL) VAL [__mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, acm_driver={223:0}, acm_driver_group1={0:0}, acm_ids={221:0}, acm_ops={222:0}, acm_ops_group0={0:0}, acm_ops_group1={0:0}, acm_port_ops={225:0}, acm_port_ops_group1={0:0}, acm_table={224:0}, acm_table_lock={226:0}, acm_tty_driver={0:0}, dev_attr_bmCapabilities={218:0}, dev_attr_iCountryCodeRelDate={219:0}, dev_attr_wCountryCodes={220:0}, 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_retval_5=0, ldv_retval_6=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_state_variable_4=0, ldv_state_variable_5=0, ldv_state_variable_6=0, ldv_zalloc(32UL)={0:0}, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg10=115, ldvarg11={0:0}, ldvarg12=-2, ldvarg13=-6, ldvarg14={0:0}, ldvarg15=-3, ldvarg16={0:0}, ldvarg17={230:0}, ldvarg2={0:0}, ldvarg3={0:0}, ldvarg4={0:0}, ldvarg5={0:0}, ldvarg6=58, ldvarg7=66, ldvarg8={0:0}, ldvarg9=4294967323, ref_cnt=0, tmp={0:0}, tmp___0={0:0}, tmp___1={0:0}, tmp___10={0:0}, tmp___11=-6, tmp___12=115, tmp___13=4294967323, tmp___14={0:0}, tmp___15=-3, tmp___2={0:0}, tmp___3={0:0}, tmp___4={0:0}, tmp___5={0:0}, tmp___6=66, tmp___7=-2, tmp___8=58, tmp___9={0:0}, usb_counter=0] [L7423] tmp___16 = ldv_zalloc(32UL) [L7424] ldvarg18 = (struct usb_device_id *)tmp___16 VAL [__mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, acm_driver={223:0}, acm_driver_group1={0:0}, acm_ids={221:0}, acm_ops={222:0}, acm_ops_group0={0:0}, acm_ops_group1={0:0}, acm_port_ops={225:0}, acm_port_ops_group1={0:0}, acm_table={224:0}, acm_table_lock={226:0}, acm_tty_driver={0:0}, dev_attr_bmCapabilities={218:0}, dev_attr_iCountryCodeRelDate={219:0}, dev_attr_wCountryCodes={220:0}, 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_retval_5=0, ldv_retval_6=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_state_variable_4=0, ldv_state_variable_5=0, ldv_state_variable_6=0, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg10=115, ldvarg11={0:0}, ldvarg12=-2, ldvarg13=-6, ldvarg14={0:0}, ldvarg15=-3, ldvarg16={0:0}, ldvarg17={230:0}, ldvarg18={0:0}, ldvarg2={0:0}, ldvarg3={0:0}, ldvarg4={0:0}, ldvarg5={0:0}, ldvarg6=58, ldvarg7=66, ldvarg8={0:0}, ldvarg9=4294967323, ref_cnt=0, tmp={0:0}, tmp___0={0:0}, tmp___1={0:0}, tmp___10={0:0}, tmp___11=-6, tmp___12=115, tmp___13=4294967323, tmp___14={0:0}, tmp___15=-3, tmp___16={0:0}, tmp___2={0:0}, tmp___3={0:0}, tmp___4={0:0}, tmp___5={0:0}, tmp___6=66, tmp___7=-2, tmp___8=58, tmp___9={0:0}, usb_counter=0] [L7425] CALL, EXPR ldv_zalloc(48UL) VAL [__mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, acm_driver={223:0}, acm_driver_group1={0:0}, acm_ids={221:0}, acm_ops={222:0}, acm_ops_group0={0:0}, acm_ops_group1={0:0}, acm_port_ops={225:0}, acm_port_ops_group1={0:0}, acm_table={224:0}, acm_table_lock={226:0}, acm_tty_driver={0:0}, dev_attr_bmCapabilities={218:0}, dev_attr_iCountryCodeRelDate={219:0}, dev_attr_wCountryCodes={220:0}, 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_retval_5=0, ldv_retval_6=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_state_variable_4=0, ldv_state_variable_5=0, ldv_state_variable_6=0, ref_cnt=0, usb_counter=0] [L4244] void *p ; [L4245] void *tmp ; [L4246] int tmp___0 ; [L4248] tmp___0 = __VERIFIER_nondet_int() [L4249] COND TRUE tmp___0 != 0 [L4250] return ((void *)0); VAL [\old(size)=48, \result={0:0}, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, acm_driver={223:0}, acm_driver_group1={0:0}, acm_ids={221:0}, acm_ops={222:0}, acm_ops_group0={0:0}, acm_ops_group1={0:0}, acm_port_ops={225:0}, acm_port_ops_group1={0:0}, acm_table={224:0}, acm_table_lock={226:0}, acm_tty_driver={0:0}, dev_attr_bmCapabilities={218:0}, dev_attr_iCountryCodeRelDate={219:0}, dev_attr_wCountryCodes={220:0}, 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_retval_5=0, ldv_retval_6=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_state_variable_4=0, ldv_state_variable_5=0, ldv_state_variable_6=0, ref_cnt=0, size=48, tmp___0=1, usb_counter=0] [L7425] RET, EXPR ldv_zalloc(48UL) VAL [__mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, acm_driver={223:0}, acm_driver_group1={0:0}, acm_ids={221:0}, acm_ops={222:0}, acm_ops_group0={0:0}, acm_ops_group1={0:0}, acm_port_ops={225:0}, acm_port_ops_group1={0:0}, acm_table={224:0}, acm_table_lock={226:0}, acm_tty_driver={0:0}, dev_attr_bmCapabilities={218:0}, dev_attr_iCountryCodeRelDate={219:0}, dev_attr_wCountryCodes={220:0}, 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_retval_5=0, ldv_retval_6=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_state_variable_4=0, ldv_state_variable_5=0, ldv_state_variable_6=0, ldv_zalloc(48UL)={0:0}, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg10=115, ldvarg11={0:0}, ldvarg12=-2, ldvarg13=-6, ldvarg14={0:0}, ldvarg15=-3, ldvarg16={0:0}, ldvarg17={230:0}, ldvarg18={0:0}, ldvarg2={0:0}, ldvarg3={0:0}, ldvarg4={0:0}, ldvarg5={0:0}, ldvarg6=58, ldvarg7=66, ldvarg8={0:0}, ldvarg9=4294967323, ref_cnt=0, tmp={0:0}, tmp___0={0:0}, tmp___1={0:0}, tmp___10={0:0}, tmp___11=-6, tmp___12=115, tmp___13=4294967323, tmp___14={0:0}, tmp___15=-3, tmp___16={0:0}, tmp___2={0:0}, tmp___3={0:0}, tmp___4={0:0}, tmp___5={0:0}, tmp___6=66, tmp___7=-2, tmp___8=58, tmp___9={0:0}, usb_counter=0] [L7425] tmp___17 = ldv_zalloc(48UL) [L7426] ldvarg21 = (struct device_attribute *)tmp___17 VAL [__mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, acm_driver={223:0}, acm_driver_group1={0:0}, acm_ids={221:0}, acm_ops={222:0}, acm_ops_group0={0:0}, acm_ops_group1={0:0}, acm_port_ops={225:0}, acm_port_ops_group1={0:0}, acm_table={224:0}, acm_table_lock={226:0}, acm_tty_driver={0:0}, dev_attr_bmCapabilities={218:0}, dev_attr_iCountryCodeRelDate={219:0}, dev_attr_wCountryCodes={220:0}, 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_retval_5=0, ldv_retval_6=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_state_variable_4=0, ldv_state_variable_5=0, ldv_state_variable_6=0, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg10=115, ldvarg11={0:0}, ldvarg12=-2, ldvarg13=-6, ldvarg14={0:0}, ldvarg15=-3, ldvarg16={0:0}, ldvarg17={230:0}, ldvarg18={0:0}, ldvarg2={0:0}, ldvarg21={0:0}, ldvarg3={0:0}, ldvarg4={0:0}, ldvarg5={0:0}, ldvarg6=58, ldvarg7=66, ldvarg8={0:0}, ldvarg9=4294967323, ref_cnt=0, tmp={0:0}, tmp___0={0:0}, tmp___1={0:0}, tmp___10={0:0}, tmp___11=-6, tmp___12=115, tmp___13=4294967323, tmp___14={0:0}, tmp___15=-3, tmp___16={0:0}, tmp___17={0:0}, tmp___2={0:0}, tmp___3={0:0}, tmp___4={0:0}, tmp___5={0:0}, tmp___6=66, tmp___7=-2, tmp___8=58, tmp___9={0:0}, usb_counter=0] [L7427] CALL, EXPR ldv_zalloc(1UL) VAL [__mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, acm_driver={223:0}, acm_driver_group1={0:0}, acm_ids={221:0}, acm_ops={222:0}, acm_ops_group0={0:0}, acm_ops_group1={0:0}, acm_port_ops={225:0}, acm_port_ops_group1={0:0}, acm_table={224:0}, acm_table_lock={226:0}, acm_tty_driver={0:0}, dev_attr_bmCapabilities={218:0}, dev_attr_iCountryCodeRelDate={219:0}, dev_attr_wCountryCodes={220:0}, 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_retval_5=0, ldv_retval_6=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_state_variable_4=0, ldv_state_variable_5=0, ldv_state_variable_6=0, ref_cnt=0, usb_counter=0] [L4244] void *p ; [L4245] void *tmp ; [L4246] int tmp___0 ; [L4248] tmp___0 = __VERIFIER_nondet_int() [L4249] COND TRUE tmp___0 != 0 [L4250] return ((void *)0); VAL [\old(size)=1, \result={0:0}, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, acm_driver={223:0}, acm_driver_group1={0:0}, acm_ids={221:0}, acm_ops={222:0}, acm_ops_group0={0:0}, acm_ops_group1={0:0}, acm_port_ops={225:0}, acm_port_ops_group1={0:0}, acm_table={224:0}, acm_table_lock={226:0}, acm_tty_driver={0:0}, dev_attr_bmCapabilities={218:0}, dev_attr_iCountryCodeRelDate={219:0}, dev_attr_wCountryCodes={220:0}, 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_retval_5=0, ldv_retval_6=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_state_variable_4=0, ldv_state_variable_5=0, ldv_state_variable_6=0, ref_cnt=0, size=1, tmp___0=1, usb_counter=0] [L7427] RET, EXPR ldv_zalloc(1UL) VAL [__mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, acm_driver={223:0}, acm_driver_group1={0:0}, acm_ids={221:0}, acm_ops={222:0}, acm_ops_group0={0:0}, acm_ops_group1={0:0}, acm_port_ops={225:0}, acm_port_ops_group1={0:0}, acm_table={224:0}, acm_table_lock={226:0}, acm_tty_driver={0:0}, dev_attr_bmCapabilities={218:0}, dev_attr_iCountryCodeRelDate={219:0}, dev_attr_wCountryCodes={220:0}, 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_retval_5=0, ldv_retval_6=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_state_variable_4=0, ldv_state_variable_5=0, ldv_state_variable_6=0, ldv_zalloc(1UL)={0:0}, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg10=115, ldvarg11={0:0}, ldvarg12=-2, ldvarg13=-6, ldvarg14={0:0}, ldvarg15=-3, ldvarg16={0:0}, ldvarg17={230:0}, ldvarg18={0:0}, ldvarg2={0:0}, ldvarg21={0:0}, ldvarg3={0:0}, ldvarg4={0:0}, ldvarg5={0:0}, ldvarg6=58, ldvarg7=66, ldvarg8={0:0}, ldvarg9=4294967323, ref_cnt=0, tmp={0:0}, tmp___0={0:0}, tmp___1={0:0}, tmp___10={0:0}, tmp___11=-6, tmp___12=115, tmp___13=4294967323, tmp___14={0:0}, tmp___15=-3, tmp___16={0:0}, tmp___17={0:0}, tmp___2={0:0}, tmp___3={0:0}, tmp___4={0:0}, tmp___5={0:0}, tmp___6=66, tmp___7=-2, tmp___8=58, tmp___9={0:0}, usb_counter=0] [L7427] tmp___18 = ldv_zalloc(1UL) [L7428] ldvarg20 = (char *)tmp___18 VAL [__mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, acm_driver={223:0}, acm_driver_group1={0:0}, acm_ids={221:0}, acm_ops={222:0}, acm_ops_group0={0:0}, acm_ops_group1={0:0}, acm_port_ops={225:0}, acm_port_ops_group1={0:0}, acm_table={224:0}, acm_table_lock={226:0}, acm_tty_driver={0:0}, dev_attr_bmCapabilities={218:0}, dev_attr_iCountryCodeRelDate={219:0}, dev_attr_wCountryCodes={220:0}, 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_retval_5=0, ldv_retval_6=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_state_variable_4=0, ldv_state_variable_5=0, ldv_state_variable_6=0, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg10=115, ldvarg11={0:0}, ldvarg12=-2, ldvarg13=-6, ldvarg14={0:0}, ldvarg15=-3, ldvarg16={0:0}, ldvarg17={230:0}, ldvarg18={0:0}, ldvarg2={0:0}, ldvarg20={0:0}, ldvarg21={0:0}, ldvarg3={0:0}, ldvarg4={0:0}, ldvarg5={0:0}, ldvarg6=58, ldvarg7=66, ldvarg8={0:0}, ldvarg9=4294967323, ref_cnt=0, tmp={0:0}, tmp___0={0:0}, tmp___1={0:0}, tmp___10={0:0}, tmp___11=-6, tmp___12=115, tmp___13=4294967323, tmp___14={0:0}, tmp___15=-3, tmp___16={0:0}, tmp___17={0:0}, tmp___18={0:0}, tmp___2={0:0}, tmp___3={0:0}, tmp___4={0:0}, tmp___5={0:0}, tmp___6=66, tmp___7=-2, tmp___8=58, tmp___9={0:0}, usb_counter=0] [L7429] CALL, EXPR ldv_zalloc(1416UL) VAL [__mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, acm_driver={223:0}, acm_driver_group1={0:0}, acm_ids={221:0}, acm_ops={222:0}, acm_ops_group0={0:0}, acm_ops_group1={0:0}, acm_port_ops={225:0}, acm_port_ops_group1={0:0}, acm_table={224:0}, acm_table_lock={226:0}, acm_tty_driver={0:0}, dev_attr_bmCapabilities={218:0}, dev_attr_iCountryCodeRelDate={219:0}, dev_attr_wCountryCodes={220:0}, 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_retval_5=0, ldv_retval_6=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_state_variable_4=0, ldv_state_variable_5=0, ldv_state_variable_6=0, ref_cnt=0, usb_counter=0] [L4244] void *p ; [L4245] void *tmp ; [L4246] int tmp___0 ; [L4248] tmp___0 = __VERIFIER_nondet_int() [L4249] COND TRUE tmp___0 != 0 [L4250] return ((void *)0); VAL [\old(size)=1416, \result={0:0}, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, acm_driver={223:0}, acm_driver_group1={0:0}, acm_ids={221:0}, acm_ops={222:0}, acm_ops_group0={0:0}, acm_ops_group1={0:0}, acm_port_ops={225:0}, acm_port_ops_group1={0:0}, acm_table={224:0}, acm_table_lock={226:0}, acm_tty_driver={0:0}, dev_attr_bmCapabilities={218:0}, dev_attr_iCountryCodeRelDate={219:0}, dev_attr_wCountryCodes={220:0}, 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_retval_5=0, ldv_retval_6=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_state_variable_4=0, ldv_state_variable_5=0, ldv_state_variable_6=0, ref_cnt=0, size=1416, tmp___0=1, usb_counter=0] [L7429] RET, EXPR ldv_zalloc(1416UL) VAL [__mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, acm_driver={223:0}, acm_driver_group1={0:0}, acm_ids={221:0}, acm_ops={222:0}, acm_ops_group0={0:0}, acm_ops_group1={0:0}, acm_port_ops={225:0}, acm_port_ops_group1={0:0}, acm_table={224:0}, acm_table_lock={226:0}, acm_tty_driver={0:0}, dev_attr_bmCapabilities={218:0}, dev_attr_iCountryCodeRelDate={219:0}, dev_attr_wCountryCodes={220:0}, 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_retval_5=0, ldv_retval_6=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_state_variable_4=0, ldv_state_variable_5=0, ldv_state_variable_6=0, ldv_zalloc(1416UL)={0:0}, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg10=115, ldvarg11={0:0}, ldvarg12=-2, ldvarg13=-6, ldvarg14={0:0}, ldvarg15=-3, ldvarg16={0:0}, ldvarg17={230:0}, ldvarg18={0:0}, ldvarg2={0:0}, ldvarg20={0:0}, ldvarg21={0:0}, ldvarg3={0:0}, ldvarg4={0:0}, ldvarg5={0:0}, ldvarg6=58, ldvarg7=66, ldvarg8={0:0}, ldvarg9=4294967323, ref_cnt=0, tmp={0:0}, tmp___0={0:0}, tmp___1={0:0}, tmp___10={0:0}, tmp___11=-6, tmp___12=115, tmp___13=4294967323, tmp___14={0:0}, tmp___15=-3, tmp___16={0:0}, tmp___17={0:0}, tmp___18={0:0}, tmp___2={0:0}, tmp___3={0:0}, tmp___4={0:0}, tmp___5={0:0}, tmp___6=66, tmp___7=-2, tmp___8=58, tmp___9={0:0}, usb_counter=0] [L7429] tmp___19 = ldv_zalloc(1416UL) [L7430] ldvarg19 = (struct device *)tmp___19 [L7431] FCALL ldv_initialize() [L7432] FCALL memset((void *)(& ldvarg17), 0, 4UL) VAL [__mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, acm_driver={223:0}, acm_driver_group1={0:0}, acm_ids={221:0}, acm_ops={222:0}, acm_ops_group0={0:0}, acm_ops_group1={0:0}, acm_port_ops={225:0}, acm_port_ops_group1={0:0}, acm_table={224:0}, acm_table_lock={226:0}, acm_tty_driver={0:0}, dev_attr_bmCapabilities={218:0}, dev_attr_iCountryCodeRelDate={219:0}, dev_attr_wCountryCodes={220:0}, 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_retval_5=0, ldv_retval_6=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_state_variable_4=0, ldv_state_variable_5=0, ldv_state_variable_6=0, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg10=115, ldvarg11={0:0}, ldvarg12=-2, ldvarg13=-6, ldvarg14={0:0}, ldvarg15=-3, ldvarg16={0:0}, ldvarg17={230:0}, ldvarg18={0:0}, ldvarg19={0:0}, ldvarg2={0:0}, ldvarg20={0:0}, ldvarg21={0:0}, ldvarg3={0:0}, ldvarg4={0:0}, ldvarg5={0:0}, ldvarg6=58, ldvarg7=66, ldvarg8={0:0}, ldvarg9=4294967323, memset((void *)(& ldvarg17), 0, 4UL)={230:0}, ref_cnt=0, tmp={0:0}, tmp___0={0:0}, tmp___1={0:0}, tmp___10={0:0}, tmp___11=-6, tmp___12=115, tmp___13=4294967323, tmp___14={0:0}, tmp___15=-3, tmp___16={0:0}, tmp___17={0:0}, tmp___18={0:0}, tmp___19={0:0}, tmp___2={0:0}, tmp___3={0:0}, tmp___4={0:0}, tmp___5={0:0}, tmp___6=66, tmp___7=-2, tmp___8=58, tmp___9={0:0}, usb_counter=0] [L7433] ldv_state_variable_6 = 0 [L7434] ldv_state_variable_4 = 0 [L7435] ldv_state_variable_1 = 0 [L7436] ref_cnt = 0 [L7437] ldv_state_variable_0 = 1 [L7438] ldv_state_variable_3 = 0 [L7439] ldv_state_variable_2 = 0 [L7440] ldv_state_variable_5 = 0 VAL [__mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, acm_driver={223:0}, acm_driver_group1={0:0}, acm_ids={221:0}, acm_ops={222:0}, acm_ops_group0={0:0}, acm_ops_group1={0:0}, acm_port_ops={225:0}, acm_port_ops_group1={0:0}, acm_table={224:0}, acm_table_lock={226:0}, acm_tty_driver={0:0}, dev_attr_bmCapabilities={218:0}, dev_attr_iCountryCodeRelDate={219:0}, dev_attr_wCountryCodes={220:0}, 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_retval_5=0, ldv_retval_6=0, ldv_spin=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_state_variable_6=0, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg10=115, ldvarg11={0:0}, ldvarg12=-2, ldvarg13=-6, ldvarg14={0:0}, ldvarg15=-3, ldvarg16={0:0}, ldvarg17={230:0}, ldvarg18={0:0}, ldvarg19={0:0}, ldvarg2={0:0}, ldvarg20={0:0}, ldvarg21={0:0}, ldvarg3={0:0}, ldvarg4={0:0}, ldvarg5={0:0}, ldvarg6=58, ldvarg7=66, ldvarg8={0:0}, ldvarg9=4294967323, ref_cnt=0, tmp={0:0}, tmp___0={0:0}, tmp___1={0:0}, tmp___10={0:0}, tmp___11=-6, tmp___12=115, tmp___13=4294967323, tmp___14={0:0}, tmp___15=-3, tmp___16={0:0}, tmp___17={0:0}, tmp___18={0:0}, tmp___19={0:0}, tmp___2={0:0}, tmp___3={0:0}, tmp___4={0:0}, tmp___5={0:0}, tmp___6=66, tmp___7=-2, tmp___8=58, tmp___9={0:0}, usb_counter=0] [L7442] tmp___20 = __VERIFIER_nondet_int() [L7444] case 0: [L7462] case 1: [L7480] case 2: [L7660] case 3: VAL [__mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, acm_driver={223:0}, acm_driver_group1={0:0}, acm_ids={221:0}, acm_ops={222:0}, acm_ops_group0={0:0}, acm_ops_group1={0:0}, acm_port_ops={225:0}, acm_port_ops_group1={0:0}, acm_table={224:0}, acm_table_lock={226:0}, acm_tty_driver={0:0}, dev_attr_bmCapabilities={218:0}, dev_attr_iCountryCodeRelDate={219:0}, dev_attr_wCountryCodes={220:0}, 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_retval_5=0, ldv_retval_6=0, ldv_spin=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_state_variable_6=0, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg10=115, ldvarg11={0:0}, ldvarg12=-2, ldvarg13=-6, ldvarg14={0:0}, ldvarg15=-3, ldvarg16={0:0}, ldvarg17={230:0}, ldvarg18={0:0}, ldvarg19={0:0}, ldvarg2={0:0}, ldvarg20={0:0}, ldvarg21={0:0}, ldvarg3={0:0}, ldvarg4={0:0}, ldvarg5={0:0}, ldvarg6=58, ldvarg7=66, ldvarg8={0:0}, ldvarg9=4294967323, ref_cnt=0, tmp={0:0}, tmp___0={0:0}, tmp___1={0:0}, tmp___10={0:0}, tmp___11=-6, tmp___12=115, tmp___13=4294967323, tmp___14={0:0}, tmp___15=-3, tmp___16={0:0}, tmp___17={0:0}, tmp___18={0:0}, tmp___19={0:0}, tmp___2={0:0}, tmp___20=3, tmp___3={0:0}, tmp___4={0:0}, tmp___5={0:0}, tmp___6=66, tmp___7=-2, tmp___8=58, tmp___9={0:0}, usb_counter=0] [L7661] COND TRUE ldv_state_variable_0 != 0 [L7662] tmp___24 = __VERIFIER_nondet_int() [L7664] case 0: [L7672] case 1: VAL [__mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, acm_driver={223:0}, acm_driver_group1={0:0}, acm_ids={221:0}, acm_ops={222:0}, acm_ops_group0={0:0}, acm_ops_group1={0:0}, acm_port_ops={225:0}, acm_port_ops_group1={0:0}, acm_table={224:0}, acm_table_lock={226:0}, acm_tty_driver={0:0}, dev_attr_bmCapabilities={218:0}, dev_attr_iCountryCodeRelDate={219:0}, dev_attr_wCountryCodes={220:0}, 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_retval_5=0, ldv_retval_6=0, ldv_spin=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_state_variable_6=0, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg10=115, ldvarg11={0:0}, ldvarg12=-2, ldvarg13=-6, ldvarg14={0:0}, ldvarg15=-3, ldvarg16={0:0}, ldvarg17={230:0}, ldvarg18={0:0}, ldvarg19={0:0}, ldvarg2={0:0}, ldvarg20={0:0}, ldvarg21={0:0}, ldvarg3={0:0}, ldvarg4={0:0}, ldvarg5={0:0}, ldvarg6=58, ldvarg7=66, ldvarg8={0:0}, ldvarg9=4294967323, ref_cnt=0, tmp={0:0}, tmp___0={0:0}, tmp___1={0:0}, tmp___10={0:0}, tmp___11=-6, tmp___12=115, tmp___13=4294967323, tmp___14={0:0}, tmp___15=-3, tmp___16={0:0}, tmp___17={0:0}, tmp___18={0:0}, tmp___19={0:0}, tmp___2={0:0}, tmp___20=3, tmp___24=1, tmp___3={0:0}, tmp___4={0:0}, tmp___5={0:0}, tmp___6=66, tmp___7=-2, tmp___8=58, tmp___9={0:0}, usb_counter=0] [L7673] COND TRUE ldv_state_variable_0 == 1 [L7674] CALL, EXPR acm_init() [L7253] int retval ; [L7255] CALL, EXPR alloc_tty_driver(32U) [L4378] struct tty_driver *ret ; [L4379] struct tty_driver *tmp ; [L4380] bool tmp___0 ; [L4382] CALL, EXPR __tty_alloc_driver(lines, & __this_module, 0UL) [L8111] CALL, EXPR ldv_malloc(sizeof(struct tty_driver)) VAL [\old(size)=184, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __this_module={4294967367:4294967337}, acm_driver={223:0}, acm_driver_group1={0:0}, acm_ids={221:0}, acm_ops={222:0}, acm_ops_group0={0:0}, acm_ops_group1={0:0}, acm_port_ops={225:0}, acm_port_ops_group1={0:0}, acm_table={224:0}, acm_table_lock={226:0}, acm_tty_driver={0:0}, dev_attr_bmCapabilities={218:0}, dev_attr_iCountryCodeRelDate={219:0}, dev_attr_wCountryCodes={220:0}, 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_retval_5=0, ldv_retval_6=0, ldv_spin=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_state_variable_6=0, ref_cnt=0, usb_counter=0] [L4226] void *p ; [L4227] void *tmp ; [L4228] int tmp___0 ; [L4230] tmp___0 = __VERIFIER_nondet_int() [L4231] COND FALSE !(tmp___0 != 0) [L4234] tmp = malloc(size) [L4235] p = tmp VAL [\old(size)=184, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __this_module={4294967367:4294967337}, acm_driver={223:0}, acm_driver_group1={0:0}, acm_ids={221:0}, acm_ops={222:0}, acm_ops_group0={0:0}, acm_ops_group1={0:0}, acm_port_ops={225:0}, acm_port_ops_group1={0:0}, acm_table={224:0}, acm_table_lock={226:0}, acm_tty_driver={0:0}, dev_attr_bmCapabilities={218:0}, dev_attr_iCountryCodeRelDate={219:0}, dev_attr_wCountryCodes={220:0}, 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_retval_5=0, ldv_retval_6=0, ldv_spin=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_state_variable_6=0, p={-18446744073709551615:0}, ref_cnt=0, size=184, tmp={-18446744073709551615:0}, tmp___0=0, usb_counter=0] [L4236] CALL assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(cond)=1, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __this_module={4294967367:4294967337}, acm_driver={223:0}, acm_driver_group1={0:0}, acm_ids={221:0}, acm_ops={222:0}, acm_ops_group0={0:0}, acm_ops_group1={0:0}, acm_port_ops={225:0}, acm_port_ops_group1={0:0}, acm_table={224:0}, acm_table_lock={226:0}, acm_tty_driver={0:0}, dev_attr_bmCapabilities={218:0}, dev_attr_iCountryCodeRelDate={219:0}, dev_attr_wCountryCodes={220:0}, 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_retval_5=0, ldv_retval_6=0, ldv_spin=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_state_variable_6=0, ref_cnt=0, usb_counter=0] [L4221] COND FALSE !(!cond) VAL [\old(cond)=1, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __this_module={4294967367:4294967337}, acm_driver={223:0}, acm_driver_group1={0:0}, acm_ids={221:0}, acm_ops={222:0}, acm_ops_group0={0:0}, acm_ops_group1={0:0}, acm_port_ops={225:0}, acm_port_ops_group1={0:0}, acm_table={224:0}, acm_table_lock={226:0}, acm_tty_driver={0:0}, cond=1, dev_attr_bmCapabilities={218:0}, dev_attr_iCountryCodeRelDate={219:0}, dev_attr_wCountryCodes={220:0}, 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_retval_5=0, ldv_retval_6=0, ldv_spin=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_state_variable_6=0, ref_cnt=0, usb_counter=0] [L4236] RET assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(size)=184, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __this_module={4294967367:4294967337}, acm_driver={223:0}, acm_driver_group1={0:0}, acm_ids={221:0}, acm_ops={222:0}, acm_ops_group0={0:0}, acm_ops_group1={0:0}, acm_port_ops={225:0}, acm_port_ops_group1={0:0}, acm_table={224:0}, acm_table_lock={226:0}, acm_tty_driver={0:0}, dev_attr_bmCapabilities={218:0}, dev_attr_iCountryCodeRelDate={219:0}, dev_attr_wCountryCodes={220:0}, 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_retval_5=0, ldv_retval_6=0, ldv_spin=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_state_variable_6=0, p={-18446744073709551615:0}, ref_cnt=0, size=184, tmp={-18446744073709551615:0}, tmp___0=0, usb_counter=0] [L4237] CALL, EXPR IS_ERR(p) VAL [__mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __this_module={4294967367:4294967337}, acm_driver={223:0}, acm_driver_group1={0:0}, acm_ids={221:0}, acm_ops={222:0}, acm_ops_group0={0:0}, acm_ops_group1={0:0}, acm_port_ops={225:0}, acm_port_ops_group1={0:0}, acm_table={224:0}, acm_table_lock={226:0}, acm_tty_driver={0:0}, dev_attr_bmCapabilities={218:0}, dev_attr_iCountryCodeRelDate={219:0}, dev_attr_wCountryCodes={220:0}, 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_retval_5=0, ldv_retval_6=0, ldv_spin=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_state_variable_6=0, ptr={-18446744073709551615:0}, ref_cnt=0, usb_counter=0] [L4009] long tmp ; VAL [__mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __this_module={4294967367:4294967337}, acm_driver={223:0}, acm_driver_group1={0:0}, acm_ids={221:0}, acm_ops={222:0}, acm_ops_group0={0:0}, acm_ops_group1={0:0}, acm_port_ops={225:0}, acm_port_ops_group1={0:0}, acm_table={224:0}, acm_table_lock={226:0}, acm_tty_driver={0:0}, dev_attr_bmCapabilities={218:0}, dev_attr_iCountryCodeRelDate={219:0}, dev_attr_wCountryCodes={220:0}, 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_retval_5=0, ldv_retval_6=0, ldv_spin=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_state_variable_6=0, ptr={-18446744073709551615:0}, ptr={-18446744073709551615:0}, ref_cnt=0, usb_counter=0] [L4011] CALL, EXPR ldv__builtin_expect((unsigned long )ptr > 0xfffffffffffff000UL, 0L) VAL [\old(c)=0, \old(exp)=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __this_module={4294967367:4294967337}, acm_driver={223:0}, acm_driver_group1={0:0}, acm_ids={221:0}, acm_ops={222:0}, acm_ops_group0={0:0}, acm_ops_group1={0:0}, acm_port_ops={225:0}, acm_port_ops_group1={0:0}, acm_table={224:0}, acm_table_lock={226:0}, acm_tty_driver={0:0}, dev_attr_bmCapabilities={218:0}, dev_attr_iCountryCodeRelDate={219:0}, dev_attr_wCountryCodes={220:0}, 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_retval_5=0, ldv_retval_6=0, ldv_spin=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_state_variable_6=0, ref_cnt=0, usb_counter=0] [L4293] return (exp); VAL [\old(c)=0, \old(exp)=0, \result=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __this_module={4294967367:4294967337}, acm_driver={223:0}, acm_driver_group1={0:0}, acm_ids={221:0}, acm_ops={222:0}, acm_ops_group0={0:0}, acm_ops_group1={0:0}, acm_port_ops={225:0}, acm_port_ops_group1={0:0}, acm_table={224:0}, acm_table_lock={226:0}, acm_tty_driver={0:0}, c=0, dev_attr_bmCapabilities={218:0}, dev_attr_iCountryCodeRelDate={219:0}, dev_attr_wCountryCodes={220:0}, exp=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_retval_5=0, ldv_retval_6=0, ldv_spin=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_state_variable_6=0, ref_cnt=0, usb_counter=0] [L4011] RET, EXPR ldv__builtin_expect((unsigned long )ptr > 0xfffffffffffff000UL, 0L) VAL [__mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __this_module={4294967367:4294967337}, acm_driver={223:0}, acm_driver_group1={0:0}, acm_ids={221:0}, acm_ops={222:0}, acm_ops_group0={0:0}, acm_ops_group1={0:0}, acm_port_ops={225:0}, acm_port_ops_group1={0:0}, acm_table={224:0}, acm_table_lock={226:0}, acm_tty_driver={0:0}, dev_attr_bmCapabilities={218:0}, dev_attr_iCountryCodeRelDate={219:0}, dev_attr_wCountryCodes={220:0}, ldv__builtin_expect((unsigned long )ptr > 0xfffffffffffff000UL, 0L)=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_retval_5=0, ldv_retval_6=0, ldv_spin=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_state_variable_6=0, ptr={-18446744073709551615:0}, ptr={-18446744073709551615:0}, ref_cnt=0, usb_counter=0] [L4011] tmp = ldv__builtin_expect((unsigned long )ptr > 0xfffffffffffff000UL, 0L) [L4012] return (tmp != 0L); VAL [\result=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __this_module={4294967367:4294967337}, acm_driver={223:0}, acm_driver_group1={0:0}, acm_ids={221:0}, acm_ops={222:0}, acm_ops_group0={0:0}, acm_ops_group1={0:0}, acm_port_ops={225:0}, acm_port_ops_group1={0:0}, acm_table={224:0}, acm_table_lock={226:0}, acm_tty_driver={0:0}, dev_attr_bmCapabilities={218:0}, dev_attr_iCountryCodeRelDate={219:0}, dev_attr_wCountryCodes={220:0}, 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_retval_5=0, ldv_retval_6=0, ldv_spin=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_state_variable_6=0, ptr={-18446744073709551615:0}, ptr={-18446744073709551615:0}, ref_cnt=0, tmp=0, usb_counter=0] [L4237] RET, EXPR IS_ERR(p) VAL [\old(size)=184, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __this_module={4294967367:4294967337}, acm_driver={223:0}, acm_driver_group1={0:0}, acm_ids={221:0}, acm_ops={222:0}, acm_ops_group0={0:0}, acm_ops_group1={0:0}, acm_port_ops={225:0}, acm_port_ops_group1={0:0}, acm_table={224:0}, acm_table_lock={226:0}, acm_tty_driver={0:0}, dev_attr_bmCapabilities={218:0}, dev_attr_iCountryCodeRelDate={219:0}, dev_attr_wCountryCodes={220:0}, IS_ERR(p)=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_retval_5=0, ldv_retval_6=0, ldv_spin=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_state_variable_6=0, p={-18446744073709551615:0}, ref_cnt=0, size=184, tmp={-18446744073709551615:0}, tmp___0=0, usb_counter=0] [L4237] CALL assume_abort_if_not(IS_ERR(p) == 0) VAL [\old(cond)=1, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __this_module={4294967367:4294967337}, acm_driver={223:0}, acm_driver_group1={0:0}, acm_ids={221:0}, acm_ops={222:0}, acm_ops_group0={0:0}, acm_ops_group1={0:0}, acm_port_ops={225:0}, acm_port_ops_group1={0:0}, acm_table={224:0}, acm_table_lock={226:0}, acm_tty_driver={0:0}, dev_attr_bmCapabilities={218:0}, dev_attr_iCountryCodeRelDate={219:0}, dev_attr_wCountryCodes={220:0}, 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_retval_5=0, ldv_retval_6=0, ldv_spin=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_state_variable_6=0, ref_cnt=0, usb_counter=0] [L4221] COND FALSE !(!cond) VAL [\old(cond)=1, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __this_module={4294967367:4294967337}, acm_driver={223:0}, acm_driver_group1={0:0}, acm_ids={221:0}, acm_ops={222:0}, acm_ops_group0={0:0}, acm_ops_group1={0:0}, acm_port_ops={225:0}, acm_port_ops_group1={0:0}, acm_table={224:0}, acm_table_lock={226:0}, acm_tty_driver={0:0}, cond=1, dev_attr_bmCapabilities={218:0}, dev_attr_iCountryCodeRelDate={219:0}, dev_attr_wCountryCodes={220:0}, 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_retval_5=0, ldv_retval_6=0, ldv_spin=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_state_variable_6=0, ref_cnt=0, usb_counter=0] [L4237] RET assume_abort_if_not(IS_ERR(p) == 0) VAL [\old(size)=184, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __this_module={4294967367:4294967337}, acm_driver={223:0}, acm_driver_group1={0:0}, acm_ids={221:0}, acm_ops={222:0}, acm_ops_group0={0:0}, acm_ops_group1={0:0}, acm_port_ops={225:0}, acm_port_ops_group1={0:0}, acm_table={224:0}, acm_table_lock={226:0}, acm_tty_driver={0:0}, dev_attr_bmCapabilities={218:0}, dev_attr_iCountryCodeRelDate={219:0}, dev_attr_wCountryCodes={220:0}, IS_ERR(p)=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_retval_5=0, ldv_retval_6=0, ldv_spin=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_state_variable_6=0, p={-18446744073709551615:0}, ref_cnt=0, size=184, tmp={-18446744073709551615:0}, tmp___0=0, usb_counter=0] [L4238] return (p); VAL [\old(size)=184, \result={-18446744073709551615:0}, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __this_module={4294967367:4294967337}, acm_driver={223:0}, acm_driver_group1={0:0}, acm_ids={221:0}, acm_ops={222:0}, acm_ops_group0={0:0}, acm_ops_group1={0:0}, acm_port_ops={225:0}, acm_port_ops_group1={0:0}, acm_table={224:0}, acm_table_lock={226:0}, acm_tty_driver={0:0}, dev_attr_bmCapabilities={218:0}, dev_attr_iCountryCodeRelDate={219:0}, dev_attr_wCountryCodes={220:0}, 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_retval_5=0, ldv_retval_6=0, ldv_spin=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_state_variable_6=0, p={-18446744073709551615:0}, ref_cnt=0, size=184, tmp={-18446744073709551615:0}, tmp___0=0, usb_counter=0] [L8111] RET, EXPR ldv_malloc(sizeof(struct tty_driver)) VAL [\old(arg0)=32, \old(arg2)=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __this_module={4294967367:4294967337}, acm_driver={223:0}, acm_driver_group1={0:0}, acm_ids={221:0}, acm_ops={222:0}, acm_ops_group0={0:0}, acm_ops_group1={0:0}, acm_port_ops={225:0}, acm_port_ops_group1={0:0}, acm_table={224:0}, acm_table_lock={226:0}, acm_tty_driver={0:0}, arg0=32, arg1={4294967367:4294967337}, arg1={4294967367:4294967337}, arg2=0, dev_attr_bmCapabilities={218:0}, dev_attr_iCountryCodeRelDate={219:0}, dev_attr_wCountryCodes={220:0}, LDV_IN_INTERRUPT=1, ldv_malloc(sizeof(struct tty_driver))={-18446744073709551615:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_spin=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_state_variable_6=0, ref_cnt=0, usb_counter=0] [L8111] return ldv_malloc(sizeof(struct tty_driver)); [L4382] RET, EXPR __tty_alloc_driver(lines, & __this_module, 0UL) [L4382] tmp = __tty_alloc_driver(lines, & __this_module, 0UL) [L4383] ret = tmp VAL [\old(lines)=32, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __this_module={4294967367:4294967337}, acm_driver={223:0}, acm_driver_group1={0:0}, acm_ids={221:0}, acm_ops={222:0}, acm_ops_group0={0:0}, acm_ops_group1={0:0}, acm_port_ops={225:0}, acm_port_ops_group1={0:0}, acm_table={224:0}, acm_table_lock={226:0}, acm_tty_driver={0:0}, dev_attr_bmCapabilities={218:0}, dev_attr_iCountryCodeRelDate={219:0}, dev_attr_wCountryCodes={220:0}, 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_retval_5=0, ldv_retval_6=0, ldv_spin=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_state_variable_6=0, lines=32, ref_cnt=0, ret={-18446744073709551615:0}, tmp={-18446744073709551615:0}, usb_counter=0] [L4384] CALL, EXPR IS_ERR((void const *)ret) VAL [__mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __this_module={4294967367:4294967337}, acm_driver={223:0}, acm_driver_group1={0:0}, acm_ids={221:0}, acm_ops={222:0}, acm_ops_group0={0:0}, acm_ops_group1={0:0}, acm_port_ops={225:0}, acm_port_ops_group1={0:0}, acm_table={224:0}, acm_table_lock={226:0}, acm_tty_driver={0:0}, dev_attr_bmCapabilities={218:0}, dev_attr_iCountryCodeRelDate={219:0}, dev_attr_wCountryCodes={220:0}, 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_retval_5=0, ldv_retval_6=0, ldv_spin=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_state_variable_6=0, ptr={-18446744073709551615:0}, ref_cnt=0, usb_counter=0] [L4009] long tmp ; VAL [__mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __this_module={4294967367:4294967337}, acm_driver={223:0}, acm_driver_group1={0:0}, acm_ids={221:0}, acm_ops={222:0}, acm_ops_group0={0:0}, acm_ops_group1={0:0}, acm_port_ops={225:0}, acm_port_ops_group1={0:0}, acm_table={224:0}, acm_table_lock={226:0}, acm_tty_driver={0:0}, dev_attr_bmCapabilities={218:0}, dev_attr_iCountryCodeRelDate={219:0}, dev_attr_wCountryCodes={220:0}, 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_retval_5=0, ldv_retval_6=0, ldv_spin=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_state_variable_6=0, ptr={-18446744073709551615:0}, ptr={-18446744073709551615:0}, ref_cnt=0, usb_counter=0] [L4011] CALL, EXPR ldv__builtin_expect((unsigned long )ptr > 0xfffffffffffff000UL, 0L) VAL [\old(c)=0, \old(exp)=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __this_module={4294967367:4294967337}, acm_driver={223:0}, acm_driver_group1={0:0}, acm_ids={221:0}, acm_ops={222:0}, acm_ops_group0={0:0}, acm_ops_group1={0:0}, acm_port_ops={225:0}, acm_port_ops_group1={0:0}, acm_table={224:0}, acm_table_lock={226:0}, acm_tty_driver={0:0}, dev_attr_bmCapabilities={218:0}, dev_attr_iCountryCodeRelDate={219:0}, dev_attr_wCountryCodes={220:0}, 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_retval_5=0, ldv_retval_6=0, ldv_spin=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_state_variable_6=0, ref_cnt=0, usb_counter=0] [L4293] return (exp); VAL [\old(c)=0, \old(exp)=0, \result=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __this_module={4294967367:4294967337}, acm_driver={223:0}, acm_driver_group1={0:0}, acm_ids={221:0}, acm_ops={222:0}, acm_ops_group0={0:0}, acm_ops_group1={0:0}, acm_port_ops={225:0}, acm_port_ops_group1={0:0}, acm_table={224:0}, acm_table_lock={226:0}, acm_tty_driver={0:0}, c=0, dev_attr_bmCapabilities={218:0}, dev_attr_iCountryCodeRelDate={219:0}, dev_attr_wCountryCodes={220:0}, exp=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_retval_5=0, ldv_retval_6=0, ldv_spin=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_state_variable_6=0, ref_cnt=0, usb_counter=0] [L4011] RET, EXPR ldv__builtin_expect((unsigned long )ptr > 0xfffffffffffff000UL, 0L) VAL [__mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __this_module={4294967367:4294967337}, acm_driver={223:0}, acm_driver_group1={0:0}, acm_ids={221:0}, acm_ops={222:0}, acm_ops_group0={0:0}, acm_ops_group1={0:0}, acm_port_ops={225:0}, acm_port_ops_group1={0:0}, acm_table={224:0}, acm_table_lock={226:0}, acm_tty_driver={0:0}, dev_attr_bmCapabilities={218:0}, dev_attr_iCountryCodeRelDate={219:0}, dev_attr_wCountryCodes={220:0}, ldv__builtin_expect((unsigned long )ptr > 0xfffffffffffff000UL, 0L)=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_retval_5=0, ldv_retval_6=0, ldv_spin=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_state_variable_6=0, ptr={-18446744073709551615:0}, ptr={-18446744073709551615:0}, ref_cnt=0, usb_counter=0] [L4011] tmp = ldv__builtin_expect((unsigned long )ptr > 0xfffffffffffff000UL, 0L) [L4012] return (tmp != 0L); VAL [\result=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __this_module={4294967367:4294967337}, acm_driver={223:0}, acm_driver_group1={0:0}, acm_ids={221:0}, acm_ops={222:0}, acm_ops_group0={0:0}, acm_ops_group1={0:0}, acm_port_ops={225:0}, acm_port_ops_group1={0:0}, acm_table={224:0}, acm_table_lock={226:0}, acm_tty_driver={0:0}, dev_attr_bmCapabilities={218:0}, dev_attr_iCountryCodeRelDate={219:0}, dev_attr_wCountryCodes={220:0}, 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_retval_5=0, ldv_retval_6=0, ldv_spin=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_state_variable_6=0, ptr={-18446744073709551615:0}, ptr={-18446744073709551615:0}, ref_cnt=0, tmp=0, usb_counter=0] [L4384] RET, EXPR IS_ERR((void const *)ret) VAL [\old(lines)=32, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __this_module={4294967367:4294967337}, acm_driver={223:0}, acm_driver_group1={0:0}, acm_ids={221:0}, acm_ops={222:0}, acm_ops_group0={0:0}, acm_ops_group1={0:0}, acm_port_ops={225:0}, acm_port_ops_group1={0:0}, acm_table={224:0}, acm_table_lock={226:0}, acm_tty_driver={0:0}, dev_attr_bmCapabilities={218:0}, dev_attr_iCountryCodeRelDate={219:0}, dev_attr_wCountryCodes={220:0}, IS_ERR((void const *)ret)=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_retval_5=0, ldv_retval_6=0, ldv_spin=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_state_variable_6=0, lines=32, ref_cnt=0, ret={-18446744073709551615:0}, tmp={-18446744073709551615:0}, usb_counter=0] [L4384] tmp___0 = IS_ERR((void const *)ret) [L4385] COND FALSE !((int )tmp___0) [L4389] return (ret); VAL [\old(lines)=32, \result={-18446744073709551615:0}, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __this_module={4294967367:4294967337}, acm_driver={223:0}, acm_driver_group1={0:0}, acm_ids={221:0}, acm_ops={222:0}, acm_ops_group0={0:0}, acm_ops_group1={0:0}, acm_port_ops={225:0}, acm_port_ops_group1={0:0}, acm_table={224:0}, acm_table_lock={226:0}, acm_tty_driver={0:0}, dev_attr_bmCapabilities={218:0}, dev_attr_iCountryCodeRelDate={219:0}, dev_attr_wCountryCodes={220:0}, 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_retval_5=0, ldv_retval_6=0, ldv_spin=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_state_variable_6=0, lines=32, ref_cnt=0, ret={-18446744073709551615:0}, tmp={-18446744073709551615:0}, tmp___0=0, usb_counter=0] [L7255] RET, EXPR alloc_tty_driver(32U) [L7255] acm_tty_driver = alloc_tty_driver(32U) [L7256] COND FALSE !((unsigned long )acm_tty_driver == (unsigned long )((struct tty_driver *)0)) [L7260] acm_tty_driver->driver_name = "acm" [L7261] acm_tty_driver->name = "ttyACM" [L7262] acm_tty_driver->major = 166 [L7263] acm_tty_driver->minor_start = 0 [L7264] acm_tty_driver->type = 3 [L7265] acm_tty_driver->subtype = 1 [L7266] acm_tty_driver->flags = 12UL [L7267] acm_tty_driver->init_termios = tty_std_termios [L7268] acm_tty_driver->init_termios.c_cflag = 3261U [L7269] FCALL tty_set_operations(acm_tty_driver, & acm_ops) [L7270] CALL, EXPR tty_register_driver(acm_tty_driver) [L8250] return __VERIFIER_nondet_int(); [L7270] RET, EXPR tty_register_driver(acm_tty_driver) [L7270] retval = tty_register_driver(acm_tty_driver) [L7271] COND FALSE !(retval != 0) [L7276] CALL, EXPR ldv_usb_register_driver_30(& acm_driver, & __this_module, "cdc_acm") [L8007] ldv_func_ret_type___2 ldv_func_res ; [L8008] int tmp ; [L8010] CALL, EXPR usb_register_driver(ldv_func_arg1, ldv_func_arg2, ldv_func_arg3) [L8336] return __VERIFIER_nondet_int(); [L8010] RET, EXPR usb_register_driver(ldv_func_arg1, ldv_func_arg2, ldv_func_arg3) [L8010] tmp = usb_register_driver(ldv_func_arg1, ldv_func_arg2, ldv_func_arg3) [L8011] ldv_func_res = tmp [L8012] ldv_state_variable_2 = 1 [L8013] usb_counter = 0 [L8014] CALL ldv_usb_driver_2() [L7307] void *tmp ; VAL [__mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __this_module={4294967367:4294967337}, acm_driver={223:0}, acm_driver_group1={0:0}, acm_ids={221:0}, acm_ops={222:0}, acm_ops_group0={0:0}, acm_ops_group1={0:0}, acm_port_ops={225:0}, acm_port_ops_group1={0:0}, acm_table={224:0}, acm_table_lock={226:0}, acm_tty_driver={-18446744073709551615:0}, dev_attr_bmCapabilities={218:0}, dev_attr_iCountryCodeRelDate={219:0}, dev_attr_wCountryCodes={220:0}, 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_retval_5=0, ldv_retval_6=0, ldv_spin=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=1, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_state_variable_6=0, ref_cnt=0, tty_std_termios={4294967389:-44}, usb_counter=0] [L7309] CALL, EXPR ldv_zalloc(1560UL) VAL [__mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __this_module={4294967367:4294967337}, acm_driver={223:0}, acm_driver_group1={0:0}, acm_ids={221:0}, acm_ops={222:0}, acm_ops_group0={0:0}, acm_ops_group1={0:0}, acm_port_ops={225:0}, acm_port_ops_group1={0:0}, acm_table={224:0}, acm_table_lock={226:0}, acm_tty_driver={-18446744073709551615:0}, dev_attr_bmCapabilities={218:0}, dev_attr_iCountryCodeRelDate={219:0}, dev_attr_wCountryCodes={220:0}, 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_retval_5=0, ldv_retval_6=0, ldv_spin=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=1, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_state_variable_6=0, ref_cnt=0, tty_std_termios={4294967389:-44}, usb_counter=0] [L4244] void *p ; [L4245] void *tmp ; [L4246] int tmp___0 ; [L4248] tmp___0 = __VERIFIER_nondet_int() [L4249] COND TRUE tmp___0 != 0 [L4250] return ((void *)0); VAL [\old(size)=1560, \result={0:0}, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __this_module={4294967367:4294967337}, acm_driver={223:0}, acm_driver_group1={0:0}, acm_ids={221:0}, acm_ops={222:0}, acm_ops_group0={0:0}, acm_ops_group1={0:0}, acm_port_ops={225:0}, acm_port_ops_group1={0:0}, acm_table={224:0}, acm_table_lock={226:0}, acm_tty_driver={-18446744073709551615:0}, dev_attr_bmCapabilities={218:0}, dev_attr_iCountryCodeRelDate={219:0}, dev_attr_wCountryCodes={220:0}, 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_retval_5=0, ldv_retval_6=0, ldv_spin=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=1, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_state_variable_6=0, ref_cnt=0, size=1560, tmp___0=1, tty_std_termios={4294967389:-44}, usb_counter=0] [L7309] RET, EXPR ldv_zalloc(1560UL) VAL [__mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __this_module={4294967367:4294967337}, acm_driver={223:0}, acm_driver_group1={0:0}, acm_ids={221:0}, acm_ops={222:0}, acm_ops_group0={0:0}, acm_ops_group1={0:0}, acm_port_ops={225:0}, acm_port_ops_group1={0:0}, acm_table={224:0}, acm_table_lock={226:0}, acm_tty_driver={-18446744073709551615:0}, dev_attr_bmCapabilities={218:0}, dev_attr_iCountryCodeRelDate={219:0}, dev_attr_wCountryCodes={220:0}, 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_retval_5=0, ldv_retval_6=0, ldv_spin=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=1, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_state_variable_6=0, ldv_zalloc(1560UL)={0:0}, ref_cnt=0, tty_std_termios={4294967389:-44}, usb_counter=0] [L7309] tmp = ldv_zalloc(1560UL) [L7310] acm_driver_group1 = (struct usb_interface *)tmp VAL [__mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __this_module={4294967367:4294967337}, acm_driver={223:0}, acm_driver_group1={0:0}, acm_ids={221:0}, acm_ops={222:0}, acm_ops_group0={0:0}, acm_ops_group1={0:0}, acm_port_ops={225:0}, acm_port_ops_group1={0:0}, acm_table={224:0}, acm_table_lock={226:0}, acm_tty_driver={-18446744073709551615:0}, dev_attr_bmCapabilities={218:0}, dev_attr_iCountryCodeRelDate={219:0}, dev_attr_wCountryCodes={220:0}, 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_retval_5=0, ldv_retval_6=0, ldv_spin=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=1, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_state_variable_6=0, ref_cnt=0, tmp={0:0}, tty_std_termios={4294967389:-44}, usb_counter=0] [L8014] RET ldv_usb_driver_2() [L8015] return (ldv_func_res); VAL [\result=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __this_module={4294967367:4294967337}, acm_driver={223:0}, acm_driver_group1={0:0}, acm_ids={221:0}, acm_ops={222:0}, acm_ops_group0={0:0}, acm_ops_group1={0:0}, acm_port_ops={225:0}, acm_port_ops_group1={0:0}, acm_table={224:0}, acm_table_lock={226:0}, acm_tty_driver={-18446744073709551615:0}, dev_attr_bmCapabilities={218:0}, dev_attr_iCountryCodeRelDate={219:0}, dev_attr_wCountryCodes={220:0}, ldv_func_arg1={223:0}, ldv_func_arg1={223:0}, ldv_func_arg2={4294967367:4294967337}, ldv_func_arg2={4294967367:4294967337}, ldv_func_arg3={216:0}, ldv_func_arg3={216:0}, ldv_func_res=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_retval_5=0, ldv_retval_6=0, ldv_spin=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=1, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_state_variable_6=0, ref_cnt=0, tmp=0, tty_std_termios={4294967389:-44}, usb_counter=0] [L7276] RET, EXPR ldv_usb_register_driver_30(& acm_driver, & __this_module, "cdc_acm") [L7276] retval = ldv_usb_register_driver_30(& acm_driver, & __this_module, "cdc_acm") [L7277] COND FALSE !(retval != 0) [L7284] return (0); VAL [\result=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __this_module={4294967367:4294967337}, acm_driver={223:0}, acm_driver_group1={0:0}, acm_ids={221:0}, acm_ops={222:0}, acm_ops_group0={0:0}, acm_ops_group1={0:0}, acm_port_ops={225:0}, acm_port_ops_group1={0:0}, acm_table={224:0}, acm_table_lock={226:0}, acm_tty_driver={-18446744073709551615:0}, dev_attr_bmCapabilities={218:0}, dev_attr_iCountryCodeRelDate={219:0}, dev_attr_wCountryCodes={220:0}, 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_retval_5=0, ldv_retval_6=0, ldv_spin=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=1, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_state_variable_6=0, ref_cnt=0, retval=0, tty_std_termios={4294967389:-44}, usb_counter=0] [L7674] RET, EXPR acm_init() [L7674] ldv_retval_1 = acm_init() [L7675] COND TRUE ldv_retval_1 == 0 [L7676] ldv_state_variable_0 = 3 [L7677] ldv_state_variable_5 = 1 [L7678] ldv_state_variable_3 = 1 [L7679] CALL ldv_tty_port_operations_3() [L7316] void *tmp ; VAL [__mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __this_module={4294967367:4294967337}, acm_driver={223:0}, acm_driver_group1={0:0}, acm_ids={221:0}, acm_ops={222:0}, acm_ops_group0={0:0}, acm_ops_group1={0:0}, acm_port_ops={225:0}, acm_port_ops_group1={0:0}, acm_table={224:0}, acm_table_lock={226:0}, acm_tty_driver={-18446744073709551615:0}, dev_attr_bmCapabilities={218:0}, dev_attr_iCountryCodeRelDate={219:0}, dev_attr_wCountryCodes={220:0}, 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_retval_5=0, ldv_retval_6=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=0, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_state_variable_4=0, ldv_state_variable_5=1, ldv_state_variable_6=0, ref_cnt=0, tty_std_termios={4294967389:-44}, usb_counter=0] [L7318] CALL, EXPR ldv_zalloc(1064UL) VAL [__mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __this_module={4294967367:4294967337}, acm_driver={223:0}, acm_driver_group1={0:0}, acm_ids={221:0}, acm_ops={222:0}, acm_ops_group0={0:0}, acm_ops_group1={0:0}, acm_port_ops={225:0}, acm_port_ops_group1={0:0}, acm_table={224:0}, acm_table_lock={226:0}, acm_tty_driver={-18446744073709551615:0}, dev_attr_bmCapabilities={218:0}, dev_attr_iCountryCodeRelDate={219:0}, dev_attr_wCountryCodes={220:0}, 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_retval_5=0, ldv_retval_6=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=0, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_state_variable_4=0, ldv_state_variable_5=1, ldv_state_variable_6=0, ref_cnt=0, tty_std_termios={4294967389:-44}, usb_counter=0] [L4244] void *p ; [L4245] void *tmp ; [L4246] int tmp___0 ; [L4248] tmp___0 = __VERIFIER_nondet_int() [L4249] COND TRUE tmp___0 != 0 [L4250] return ((void *)0); VAL [\old(size)=1064, \result={0:0}, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __this_module={4294967367:4294967337}, acm_driver={223:0}, acm_driver_group1={0:0}, acm_ids={221:0}, acm_ops={222:0}, acm_ops_group0={0:0}, acm_ops_group1={0:0}, acm_port_ops={225:0}, acm_port_ops_group1={0:0}, acm_table={224:0}, acm_table_lock={226:0}, acm_tty_driver={-18446744073709551615:0}, dev_attr_bmCapabilities={218:0}, dev_attr_iCountryCodeRelDate={219:0}, dev_attr_wCountryCodes={220:0}, 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_retval_5=0, ldv_retval_6=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=0, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_state_variable_4=0, ldv_state_variable_5=1, ldv_state_variable_6=0, ref_cnt=0, size=1064, tmp___0=1, tty_std_termios={4294967389:-44}, usb_counter=0] [L7318] RET, EXPR ldv_zalloc(1064UL) VAL [__mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __this_module={4294967367:4294967337}, acm_driver={223:0}, acm_driver_group1={0:0}, acm_ids={221:0}, acm_ops={222:0}, acm_ops_group0={0:0}, acm_ops_group1={0:0}, acm_port_ops={225:0}, acm_port_ops_group1={0:0}, acm_table={224:0}, acm_table_lock={226:0}, acm_tty_driver={-18446744073709551615:0}, dev_attr_bmCapabilities={218:0}, dev_attr_iCountryCodeRelDate={219:0}, dev_attr_wCountryCodes={220:0}, 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_retval_5=0, ldv_retval_6=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=0, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_state_variable_4=0, ldv_state_variable_5=1, ldv_state_variable_6=0, ldv_zalloc(1064UL)={0:0}, ref_cnt=0, tty_std_termios={4294967389:-44}, usb_counter=0] [L7318] tmp = ldv_zalloc(1064UL) [L7319] acm_port_ops_group1 = (struct tty_port *)tmp VAL [__mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __this_module={4294967367:4294967337}, acm_driver={223:0}, acm_driver_group1={0:0}, acm_ids={221:0}, acm_ops={222:0}, acm_ops_group0={0:0}, acm_ops_group1={0:0}, acm_port_ops={225:0}, acm_port_ops_group1={0:0}, acm_table={224:0}, acm_table_lock={226:0}, acm_tty_driver={-18446744073709551615:0}, dev_attr_bmCapabilities={218:0}, dev_attr_iCountryCodeRelDate={219:0}, dev_attr_wCountryCodes={220:0}, 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_retval_5=0, ldv_retval_6=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=0, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_state_variable_4=0, ldv_state_variable_5=1, ldv_state_variable_6=0, ref_cnt=0, tmp={0:0}, tty_std_termios={4294967389:-44}, usb_counter=0] [L7679] RET ldv_tty_port_operations_3() [L7680] ldv_state_variable_1 = 1 [L7681] CALL ldv_initialize_tty_operations_1() [L7325] void *tmp ; [L7326] void *tmp___0 ; VAL [__mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __this_module={4294967367:4294967337}, acm_driver={223:0}, acm_driver_group1={0:0}, acm_ids={221:0}, acm_ops={222:0}, acm_ops_group0={0:0}, acm_ops_group1={0:0}, acm_port_ops={225:0}, acm_port_ops_group1={0:0}, acm_table={224:0}, acm_table_lock={226:0}, acm_tty_driver={-18446744073709551615:0}, dev_attr_bmCapabilities={218:0}, dev_attr_iCountryCodeRelDate={219:0}, dev_attr_wCountryCodes={220:0}, 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_retval_5=0, ldv_retval_6=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_state_variable_4=0, ldv_state_variable_5=1, ldv_state_variable_6=0, ref_cnt=0, tty_std_termios={4294967389:-44}, usb_counter=0] [L7328] CALL, EXPR ldv_zalloc(512UL) VAL [__mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __this_module={4294967367:4294967337}, acm_driver={223:0}, acm_driver_group1={0:0}, acm_ids={221:0}, acm_ops={222:0}, acm_ops_group0={0:0}, acm_ops_group1={0:0}, acm_port_ops={225:0}, acm_port_ops_group1={0:0}, acm_table={224:0}, acm_table_lock={226:0}, acm_tty_driver={-18446744073709551615:0}, dev_attr_bmCapabilities={218:0}, dev_attr_iCountryCodeRelDate={219:0}, dev_attr_wCountryCodes={220:0}, 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_retval_5=0, ldv_retval_6=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_state_variable_4=0, ldv_state_variable_5=1, ldv_state_variable_6=0, ref_cnt=0, tty_std_termios={4294967389:-44}, usb_counter=0] [L4244] void *p ; [L4245] void *tmp ; [L4246] int tmp___0 ; [L4248] tmp___0 = __VERIFIER_nondet_int() [L4249] COND TRUE tmp___0 != 0 [L4250] return ((void *)0); VAL [\old(size)=512, \result={0:0}, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __this_module={4294967367:4294967337}, acm_driver={223:0}, acm_driver_group1={0:0}, acm_ids={221:0}, acm_ops={222:0}, acm_ops_group0={0:0}, acm_ops_group1={0:0}, acm_port_ops={225:0}, acm_port_ops_group1={0:0}, acm_table={224:0}, acm_table_lock={226:0}, acm_tty_driver={-18446744073709551615:0}, dev_attr_bmCapabilities={218:0}, dev_attr_iCountryCodeRelDate={219:0}, dev_attr_wCountryCodes={220:0}, 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_retval_5=0, ldv_retval_6=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_state_variable_4=0, ldv_state_variable_5=1, ldv_state_variable_6=0, ref_cnt=0, size=512, tmp___0=1, tty_std_termios={4294967389:-44}, usb_counter=0] [L7328] RET, EXPR ldv_zalloc(512UL) VAL [__mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __this_module={4294967367:4294967337}, acm_driver={223:0}, acm_driver_group1={0:0}, acm_ids={221:0}, acm_ops={222:0}, acm_ops_group0={0:0}, acm_ops_group1={0:0}, acm_port_ops={225:0}, acm_port_ops_group1={0:0}, acm_table={224:0}, acm_table_lock={226:0}, acm_tty_driver={-18446744073709551615:0}, dev_attr_bmCapabilities={218:0}, dev_attr_iCountryCodeRelDate={219:0}, dev_attr_wCountryCodes={220:0}, 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_retval_5=0, ldv_retval_6=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_state_variable_4=0, ldv_state_variable_5=1, ldv_state_variable_6=0, ldv_zalloc(512UL)={0:0}, ref_cnt=0, tty_std_termios={4294967389:-44}, usb_counter=0] [L7328] tmp = ldv_zalloc(512UL) [L7329] acm_ops_group0 = (struct file *)tmp VAL [__mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __this_module={4294967367:4294967337}, acm_driver={223:0}, acm_driver_group1={0:0}, acm_ids={221:0}, acm_ops={222:0}, acm_ops_group0={0:0}, acm_ops_group1={0:0}, acm_port_ops={225:0}, acm_port_ops_group1={0:0}, acm_table={224:0}, acm_table_lock={226:0}, acm_tty_driver={-18446744073709551615:0}, dev_attr_bmCapabilities={218:0}, dev_attr_iCountryCodeRelDate={219:0}, dev_attr_wCountryCodes={220:0}, 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_retval_5=0, ldv_retval_6=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_state_variable_4=0, ldv_state_variable_5=1, ldv_state_variable_6=0, ref_cnt=0, tmp={0:0}, tty_std_termios={4294967389:-44}, usb_counter=0] [L7330] CALL, EXPR ldv_zalloc(1752UL) VAL [__mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __this_module={4294967367:4294967337}, acm_driver={223:0}, acm_driver_group1={0:0}, acm_ids={221:0}, acm_ops={222:0}, acm_ops_group0={0:0}, acm_ops_group1={0:0}, acm_port_ops={225:0}, acm_port_ops_group1={0:0}, acm_table={224:0}, acm_table_lock={226:0}, acm_tty_driver={-18446744073709551615:0}, dev_attr_bmCapabilities={218:0}, dev_attr_iCountryCodeRelDate={219:0}, dev_attr_wCountryCodes={220:0}, 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_retval_5=0, ldv_retval_6=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_state_variable_4=0, ldv_state_variable_5=1, ldv_state_variable_6=0, ref_cnt=0, tty_std_termios={4294967389:-44}, usb_counter=0] [L4244] void *p ; [L4245] void *tmp ; [L4246] int tmp___0 ; [L4248] tmp___0 = __VERIFIER_nondet_int() [L4249] COND TRUE tmp___0 != 0 [L4250] return ((void *)0); VAL [\old(size)=1752, \result={0:0}, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __this_module={4294967367:4294967337}, acm_driver={223:0}, acm_driver_group1={0:0}, acm_ids={221:0}, acm_ops={222:0}, acm_ops_group0={0:0}, acm_ops_group1={0:0}, acm_port_ops={225:0}, acm_port_ops_group1={0:0}, acm_table={224:0}, acm_table_lock={226:0}, acm_tty_driver={-18446744073709551615:0}, dev_attr_bmCapabilities={218:0}, dev_attr_iCountryCodeRelDate={219:0}, dev_attr_wCountryCodes={220:0}, 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_retval_5=0, ldv_retval_6=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_state_variable_4=0, ldv_state_variable_5=1, ldv_state_variable_6=0, ref_cnt=0, size=1752, tmp___0=1, tty_std_termios={4294967389:-44}, usb_counter=0] [L7330] RET, EXPR ldv_zalloc(1752UL) VAL [__mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __this_module={4294967367:4294967337}, acm_driver={223:0}, acm_driver_group1={0:0}, acm_ids={221:0}, acm_ops={222:0}, acm_ops_group0={0:0}, acm_ops_group1={0:0}, acm_port_ops={225:0}, acm_port_ops_group1={0:0}, acm_table={224:0}, acm_table_lock={226:0}, acm_tty_driver={-18446744073709551615:0}, dev_attr_bmCapabilities={218:0}, dev_attr_iCountryCodeRelDate={219:0}, dev_attr_wCountryCodes={220:0}, 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_retval_5=0, ldv_retval_6=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_state_variable_4=0, ldv_state_variable_5=1, ldv_state_variable_6=0, ldv_zalloc(1752UL)={0:0}, ref_cnt=0, tmp={0:0}, tty_std_termios={4294967389:-44}, usb_counter=0] [L7330] tmp___0 = ldv_zalloc(1752UL) [L7331] acm_ops_group1 = (struct tty_struct *)tmp___0 VAL [__mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __this_module={4294967367:4294967337}, acm_driver={223:0}, acm_driver_group1={0:0}, acm_ids={221:0}, acm_ops={222:0}, acm_ops_group0={0:0}, acm_ops_group1={0:0}, acm_port_ops={225:0}, acm_port_ops_group1={0:0}, acm_table={224:0}, acm_table_lock={226:0}, acm_tty_driver={-18446744073709551615:0}, dev_attr_bmCapabilities={218:0}, dev_attr_iCountryCodeRelDate={219:0}, dev_attr_wCountryCodes={220:0}, 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_retval_5=0, ldv_retval_6=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_state_variable_4=0, ldv_state_variable_5=1, ldv_state_variable_6=0, ref_cnt=0, tmp={0:0}, tmp___0={0:0}, tty_std_termios={4294967389:-44}, usb_counter=0] [L7681] RET ldv_initialize_tty_operations_1() [L7682] ldv_state_variable_4 = 1 [L7683] ldv_state_variable_6 = 1 VAL [__mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __this_module={4294967367:4294967337}, acm_driver={223:0}, acm_driver_group1={0:0}, acm_ids={221:0}, acm_ops={222:0}, acm_ops_group0={0:0}, acm_ops_group1={0:0}, acm_port_ops={225:0}, acm_port_ops_group1={0:0}, acm_table={224:0}, acm_table_lock={226:0}, acm_tty_driver={-18446744073709551615:0}, dev_attr_bmCapabilities={218:0}, dev_attr_iCountryCodeRelDate={219:0}, dev_attr_wCountryCodes={220:0}, 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_retval_5=0, ldv_retval_6=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_state_variable_4=1, ldv_state_variable_5=1, ldv_state_variable_6=1, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg10=115, ldvarg11={0:0}, ldvarg12=-2, ldvarg13=-6, ldvarg14={0:0}, ldvarg15=-3, ldvarg16={0:0}, ldvarg17={230:0}, ldvarg18={0:0}, ldvarg19={0:0}, ldvarg2={0:0}, ldvarg20={0:0}, ldvarg21={0:0}, ldvarg3={0:0}, ldvarg4={0:0}, ldvarg5={0:0}, ldvarg6=58, ldvarg7=66, ldvarg8={0:0}, ldvarg9=4294967323, ref_cnt=0, tmp={0:0}, tmp___0={0:0}, tmp___1={0:0}, tmp___10={0:0}, tmp___11=-6, tmp___12=115, tmp___13=4294967323, tmp___14={0:0}, tmp___15=-3, tmp___16={0:0}, tmp___17={0:0}, tmp___18={0:0}, tmp___19={0:0}, tmp___2={0:0}, tmp___20=3, tmp___24=1, tmp___3={0:0}, tmp___4={0:0}, tmp___5={0:0}, tmp___6=66, tmp___7=-2, tmp___8=58, tmp___9={0:0}, tty_std_termios={4294967389:-44}, usb_counter=0] [L7686] COND FALSE !(ldv_retval_1 != 0) VAL [__mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __this_module={4294967367:4294967337}, acm_driver={223:0}, acm_driver_group1={0:0}, acm_ids={221:0}, acm_ops={222:0}, acm_ops_group0={0:0}, acm_ops_group1={0:0}, acm_port_ops={225:0}, acm_port_ops_group1={0:0}, acm_table={224:0}, acm_table_lock={226:0}, acm_tty_driver={-18446744073709551615:0}, dev_attr_bmCapabilities={218:0}, dev_attr_iCountryCodeRelDate={219:0}, dev_attr_wCountryCodes={220:0}, 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_retval_5=0, ldv_retval_6=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_state_variable_4=1, ldv_state_variable_5=1, ldv_state_variable_6=1, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg10=115, ldvarg11={0:0}, ldvarg12=-2, ldvarg13=-6, ldvarg14={0:0}, ldvarg15=-3, ldvarg16={0:0}, ldvarg17={230:0}, ldvarg18={0:0}, ldvarg19={0:0}, ldvarg2={0:0}, ldvarg20={0:0}, ldvarg21={0:0}, ldvarg3={0:0}, ldvarg4={0:0}, ldvarg5={0:0}, ldvarg6=58, ldvarg7=66, ldvarg8={0:0}, ldvarg9=4294967323, ref_cnt=0, tmp={0:0}, tmp___0={0:0}, tmp___1={0:0}, tmp___10={0:0}, tmp___11=-6, tmp___12=115, tmp___13=4294967323, tmp___14={0:0}, tmp___15=-3, tmp___16={0:0}, tmp___17={0:0}, tmp___18={0:0}, tmp___19={0:0}, tmp___2={0:0}, tmp___20=3, tmp___24=1, tmp___3={0:0}, tmp___4={0:0}, tmp___5={0:0}, tmp___6=66, tmp___7=-2, tmp___8=58, tmp___9={0:0}, tty_std_termios={4294967389:-44}, usb_counter=0] [L7442] tmp___20 = __VERIFIER_nondet_int() [L7444] case 0: [L7462] case 1: [L7480] case 2: VAL [__mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __this_module={4294967367:4294967337}, acm_driver={223:0}, acm_driver_group1={0:0}, acm_ids={221:0}, acm_ops={222:0}, acm_ops_group0={0:0}, acm_ops_group1={0:0}, acm_port_ops={225:0}, acm_port_ops_group1={0:0}, acm_table={224:0}, acm_table_lock={226:0}, acm_tty_driver={-18446744073709551615:0}, dev_attr_bmCapabilities={218:0}, dev_attr_iCountryCodeRelDate={219:0}, dev_attr_wCountryCodes={220:0}, 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_retval_5=0, ldv_retval_6=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_state_variable_4=1, ldv_state_variable_5=1, ldv_state_variable_6=1, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg10=115, ldvarg11={0:0}, ldvarg12=-2, ldvarg13=-6, ldvarg14={0:0}, ldvarg15=-3, ldvarg16={0:0}, ldvarg17={230:0}, ldvarg18={0:0}, ldvarg19={0:0}, ldvarg2={0:0}, ldvarg20={0:0}, ldvarg21={0:0}, ldvarg3={0:0}, ldvarg4={0:0}, ldvarg5={0:0}, ldvarg6=58, ldvarg7=66, ldvarg8={0:0}, ldvarg9=4294967323, ref_cnt=0, tmp={0:0}, tmp___0={0:0}, tmp___1={0:0}, tmp___10={0:0}, tmp___11=-6, tmp___12=115, tmp___13=4294967323, tmp___14={0:0}, tmp___15=-3, tmp___16={0:0}, tmp___17={0:0}, tmp___18={0:0}, tmp___19={0:0}, tmp___2={0:0}, tmp___20=2, tmp___24=1, tmp___3={0:0}, tmp___4={0:0}, tmp___5={0:0}, tmp___6=66, tmp___7=-2, tmp___8=58, tmp___9={0:0}, tty_std_termios={4294967389:-44}, usb_counter=0] [L7481] COND TRUE ldv_state_variable_1 != 0 [L7482] tmp___23 = __VERIFIER_nondet_int() [L7484] case 0: [L7491] case 1: [L7503] case 2: [L7515] case 3: [L7527] case 4: [L7534] case 5: VAL [__mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __this_module={4294967367:4294967337}, acm_driver={223:0}, acm_driver_group1={0:0}, acm_ids={221:0}, acm_ops={222:0}, acm_ops_group0={0:0}, acm_ops_group1={0:0}, acm_port_ops={225:0}, acm_port_ops_group1={0:0}, acm_table={224:0}, acm_table_lock={226:0}, acm_tty_driver={-18446744073709551615:0}, dev_attr_bmCapabilities={218:0}, dev_attr_iCountryCodeRelDate={219:0}, dev_attr_wCountryCodes={220:0}, 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_retval_5=0, ldv_retval_6=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_state_variable_4=1, ldv_state_variable_5=1, ldv_state_variable_6=1, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg10=115, ldvarg11={0:0}, ldvarg12=-2, ldvarg13=-6, ldvarg14={0:0}, ldvarg15=-3, ldvarg16={0:0}, ldvarg17={230:0}, ldvarg18={0:0}, ldvarg19={0:0}, ldvarg2={0:0}, ldvarg20={0:0}, ldvarg21={0:0}, ldvarg3={0:0}, ldvarg4={0:0}, ldvarg5={0:0}, ldvarg6=58, ldvarg7=66, ldvarg8={0:0}, ldvarg9=4294967323, ref_cnt=0, tmp={0:0}, tmp___0={0:0}, tmp___1={0:0}, tmp___10={0:0}, tmp___11=-6, tmp___12=115, tmp___13=4294967323, tmp___14={0:0}, tmp___15=-3, tmp___16={0:0}, tmp___17={0:0}, tmp___18={0:0}, tmp___19={0:0}, tmp___2={0:0}, tmp___20=2, tmp___23=5, tmp___24=1, tmp___3={0:0}, tmp___4={0:0}, tmp___5={0:0}, tmp___6=66, tmp___7=-2, tmp___8=58, tmp___9={0:0}, tty_std_termios={4294967389:-44}, usb_counter=0] [L7535] COND TRUE ldv_state_variable_1 == 1 [L7536] CALL, EXPR acm_tty_open(acm_ops_group1, acm_ops_group0) [L5316] struct acm *acm ; [L5317] struct _ddebug descriptor ; [L5318] long tmp ; [L5319] int tmp___0 ; [L5321] EXPR tty->driver_data [L5321] acm = (struct acm *)tty->driver_data [L5322] descriptor.modname = "cdc_acm" [L5323] descriptor.function = "acm_tty_open" [L5324] descriptor.filename = "/work/ldvuser/mutilin/launch/work/current--X--drivers--X--defaultlinux-3.16-rc1.tar.xz--X--43_2a--X--cpachecker/linux-3.16-rc1.tar.xz/csd_deg_dscv/8107/dscv_tempdir/dscv/ri/43_2a/drivers/usb/class/cdc-acm.o.c.prepared" [L5325] descriptor.format = "%s\n" [L5326] descriptor.lineno = 539U [L5327] descriptor.flags = 0U [L5328] EXPR descriptor.flags VAL [__mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __this_module={4294967367:4294967337}, acm={4294967383:0}, acm_driver={223:0}, acm_driver_group1={0:0}, acm_ids={221:0}, acm_ops={222:0}, acm_ops_group0={0:0}, acm_ops_group1={0:0}, acm_port_ops={225:0}, acm_port_ops_group1={0:0}, acm_table={224:0}, acm_table_lock={226:0}, acm_tty_driver={-18446744073709551615:0}, descriptor={228:0}, descriptor.flags=0, dev_attr_bmCapabilities={218:0}, dev_attr_iCountryCodeRelDate={219:0}, dev_attr_wCountryCodes={220:0}, filp={0:0}, filp={0:0}, 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_retval_5=0, ldv_retval_6=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_state_variable_4=1, ldv_state_variable_5=1, ldv_state_variable_6=1, ref_cnt=0, tty={0:0}, tty={0:0}, tty_std_termios={4294967389:-44}, usb_counter=0] [L5328] CALL, EXPR ldv__builtin_expect((long )descriptor.flags & 1L, 0L) VAL [\old(c)=0, \old(exp)=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __this_module={4294967367:4294967337}, acm_driver={223:0}, acm_driver_group1={0:0}, acm_ids={221:0}, acm_ops={222:0}, acm_ops_group0={0:0}, acm_ops_group1={0:0}, acm_port_ops={225:0}, acm_port_ops_group1={0:0}, acm_table={224:0}, acm_table_lock={226:0}, acm_tty_driver={-18446744073709551615:0}, dev_attr_bmCapabilities={218:0}, dev_attr_iCountryCodeRelDate={219:0}, dev_attr_wCountryCodes={220:0}, 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_retval_5=0, ldv_retval_6=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_state_variable_4=1, ldv_state_variable_5=1, ldv_state_variable_6=1, ref_cnt=0, tty_std_termios={4294967389:-44}, usb_counter=0] [L4293] return (exp); VAL [\old(c)=0, \old(exp)=0, \result=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __this_module={4294967367:4294967337}, acm_driver={223:0}, acm_driver_group1={0:0}, acm_ids={221:0}, acm_ops={222:0}, acm_ops_group0={0:0}, acm_ops_group1={0:0}, acm_port_ops={225:0}, acm_port_ops_group1={0:0}, acm_table={224:0}, acm_table_lock={226:0}, acm_tty_driver={-18446744073709551615:0}, c=0, dev_attr_bmCapabilities={218:0}, dev_attr_iCountryCodeRelDate={219:0}, dev_attr_wCountryCodes={220:0}, exp=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_retval_5=0, ldv_retval_6=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_state_variable_4=1, ldv_state_variable_5=1, ldv_state_variable_6=1, ref_cnt=0, tty_std_termios={4294967389:-44}, usb_counter=0] [L5328] RET, EXPR ldv__builtin_expect((long )descriptor.flags & 1L, 0L) VAL [__mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __this_module={4294967367:4294967337}, acm={4294967383:0}, acm_driver={223:0}, acm_driver_group1={0:0}, acm_ids={221:0}, acm_ops={222:0}, acm_ops_group0={0:0}, acm_ops_group1={0:0}, acm_port_ops={225:0}, acm_port_ops_group1={0:0}, acm_table={224:0}, acm_table_lock={226:0}, acm_tty_driver={-18446744073709551615:0}, descriptor={228:0}, descriptor.flags=0, dev_attr_bmCapabilities={218:0}, dev_attr_iCountryCodeRelDate={219:0}, dev_attr_wCountryCodes={220:0}, filp={0:0}, filp={0:0}, ldv__builtin_expect((long )descriptor.flags & 1L, 0L)=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_retval_5=0, ldv_retval_6=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_state_variable_4=1, ldv_state_variable_5=1, ldv_state_variable_6=1, ref_cnt=0, tty={0:0}, tty={0:0}, tty_std_termios={4294967389:-44}, usb_counter=0] [L5328] tmp = ldv__builtin_expect((long )descriptor.flags & 1L, 0L) [L5329] COND FALSE !(tmp != 0L) VAL [__mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __this_module={4294967367:4294967337}, acm={4294967383:0}, acm_driver={223:0}, acm_driver_group1={0:0}, acm_ids={221:0}, acm_ops={222:0}, acm_ops_group0={0:0}, acm_ops_group1={0:0}, acm_port_ops={225:0}, acm_port_ops_group1={0:0}, acm_table={224:0}, acm_table_lock={226:0}, acm_tty_driver={-18446744073709551615:0}, descriptor={228:0}, dev_attr_bmCapabilities={218:0}, dev_attr_iCountryCodeRelDate={219:0}, dev_attr_wCountryCodes={220:0}, filp={0:0}, filp={0:0}, 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_retval_5=0, ldv_retval_6=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_state_variable_4=1, ldv_state_variable_5=1, ldv_state_variable_6=1, ref_cnt=0, tmp=0, tty={0:0}, tty={0:0}, tty_std_termios={4294967389:-44}, usb_counter=0] [L5333] CALL, EXPR tty_port_open(& acm->port, tty, filp) [L8231] return __VERIFIER_nondet_int(); [L5333] RET, EXPR tty_port_open(& acm->port, tty, filp) [L5333] tmp___0 = tty_port_open(& acm->port, tty, filp) [L5334] return (tmp___0); [L5334] return (tmp___0); VAL [\result=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __this_module={4294967367:4294967337}, acm={4294967383:0}, acm_driver={223:0}, acm_driver_group1={0:0}, acm_ids={221:0}, acm_ops={222:0}, acm_ops_group0={0:0}, acm_ops_group1={0:0}, acm_port_ops={225:0}, acm_port_ops_group1={0:0}, acm_table={224:0}, acm_table_lock={226:0}, acm_tty_driver={-18446744073709551615:0}, dev_attr_bmCapabilities={218:0}, dev_attr_iCountryCodeRelDate={219:0}, dev_attr_wCountryCodes={220:0}, filp={0:0}, filp={0:0}, 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_retval_5=0, ldv_retval_6=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_state_variable_4=1, ldv_state_variable_5=1, ldv_state_variable_6=1, ref_cnt=0, tmp=0, tmp___0=0, tty={0:0}, tty={0:0}, tty_std_termios={4294967389:-44}, usb_counter=0] [L7536] RET, EXPR acm_tty_open(acm_ops_group1, acm_ops_group0) [L7536] ldv_retval_0 = acm_tty_open(acm_ops_group1, acm_ops_group0) [L7537] COND TRUE ldv_retval_0 == 0 [L7538] ldv_state_variable_1 = 2 [L7539] ref_cnt = ref_cnt + 1 VAL [__mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __this_module={4294967367:4294967337}, acm_driver={223:0}, acm_driver_group1={0:0}, acm_ids={221:0}, acm_ops={222:0}, acm_ops_group0={0:0}, acm_ops_group1={0:0}, acm_port_ops={225:0}, acm_port_ops_group1={0:0}, acm_table={224:0}, acm_table_lock={226:0}, acm_tty_driver={-18446744073709551615:0}, dev_attr_bmCapabilities={218:0}, dev_attr_iCountryCodeRelDate={219:0}, dev_attr_wCountryCodes={220:0}, 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_retval_5=0, ldv_retval_6=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=2, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_state_variable_6=1, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg10=115, ldvarg11={0:0}, ldvarg12=-2, ldvarg13=-6, ldvarg14={0:0}, ldvarg15=-3, ldvarg16={0:0}, ldvarg17={230:0}, ldvarg18={0:0}, ldvarg19={0:0}, ldvarg2={0:0}, ldvarg20={0:0}, ldvarg21={0:0}, ldvarg3={0:0}, ldvarg4={0:0}, ldvarg5={0:0}, ldvarg6=58, ldvarg7=66, ldvarg8={0:0}, ldvarg9=4294967323, ref_cnt=1, tmp={0:0}, tmp___0={0:0}, tmp___1={0:0}, tmp___10={0:0}, tmp___11=-6, tmp___12=115, tmp___13=4294967323, tmp___14={0:0}, tmp___15=-3, tmp___16={0:0}, tmp___17={0:0}, tmp___18={0:0}, tmp___19={0:0}, tmp___2={0:0}, tmp___20=2, tmp___23=5, tmp___24=1, tmp___3={0:0}, tmp___4={0:0}, tmp___5={0:0}, tmp___6=66, tmp___7=-2, tmp___8=58, tmp___9={0:0}, tty_std_termios={4294967389:-44}, usb_counter=0] [L7442] tmp___20 = __VERIFIER_nondet_int() [L7444] case 0: [L7462] case 1: [L7480] case 2: VAL [__mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __this_module={4294967367:4294967337}, acm_driver={223:0}, acm_driver_group1={0:0}, acm_ids={221:0}, acm_ops={222:0}, acm_ops_group0={0:0}, acm_ops_group1={0:0}, acm_port_ops={225:0}, acm_port_ops_group1={0:0}, acm_table={224:0}, acm_table_lock={226:0}, acm_tty_driver={-18446744073709551615:0}, dev_attr_bmCapabilities={218:0}, dev_attr_iCountryCodeRelDate={219:0}, dev_attr_wCountryCodes={220:0}, 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_retval_5=0, ldv_retval_6=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=2, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_state_variable_6=1, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg10=115, ldvarg11={0:0}, ldvarg12=-2, ldvarg13=-6, ldvarg14={0:0}, ldvarg15=-3, ldvarg16={0:0}, ldvarg17={230:0}, ldvarg18={0:0}, ldvarg19={0:0}, ldvarg2={0:0}, ldvarg20={0:0}, ldvarg21={0:0}, ldvarg3={0:0}, ldvarg4={0:0}, ldvarg5={0:0}, ldvarg6=58, ldvarg7=66, ldvarg8={0:0}, ldvarg9=4294967323, ref_cnt=1, tmp={0:0}, tmp___0={0:0}, tmp___1={0:0}, tmp___10={0:0}, tmp___11=-6, tmp___12=115, tmp___13=4294967323, tmp___14={0:0}, tmp___15=-3, tmp___16={0:0}, tmp___17={0:0}, tmp___18={0:0}, tmp___19={0:0}, tmp___2={0:0}, tmp___20=2, tmp___23=5, tmp___24=1, tmp___3={0:0}, tmp___4={0:0}, tmp___5={0:0}, tmp___6=66, tmp___7=-2, tmp___8=58, tmp___9={0:0}, tty_std_termios={4294967389:-44}, usb_counter=0] [L7481] COND TRUE ldv_state_variable_1 != 0 [L7482] tmp___23 = __VERIFIER_nondet_int() [L7484] case 0: VAL [__mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __this_module={4294967367:4294967337}, acm_driver={223:0}, acm_driver_group1={0:0}, acm_ids={221:0}, acm_ops={222:0}, acm_ops_group0={0:0}, acm_ops_group1={0:0}, acm_port_ops={225:0}, acm_port_ops_group1={0:0}, acm_table={224:0}, acm_table_lock={226:0}, acm_tty_driver={-18446744073709551615:0}, dev_attr_bmCapabilities={218:0}, dev_attr_iCountryCodeRelDate={219:0}, dev_attr_wCountryCodes={220:0}, 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_retval_5=0, ldv_retval_6=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=2, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_state_variable_6=1, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg10=115, ldvarg11={0:0}, ldvarg12=-2, ldvarg13=-6, ldvarg14={0:0}, ldvarg15=-3, ldvarg16={0:0}, ldvarg17={230:0}, ldvarg18={0:0}, ldvarg19={0:0}, ldvarg2={0:0}, ldvarg20={0:0}, ldvarg21={0:0}, ldvarg3={0:0}, ldvarg4={0:0}, ldvarg5={0:0}, ldvarg6=58, ldvarg7=66, ldvarg8={0:0}, ldvarg9=4294967323, ref_cnt=1, tmp={0:0}, tmp___0={0:0}, tmp___1={0:0}, tmp___10={0:0}, tmp___11=-6, tmp___12=115, tmp___13=4294967323, tmp___14={0:0}, tmp___15=-3, tmp___16={0:0}, tmp___17={0:0}, tmp___18={0:0}, tmp___19={0:0}, tmp___2={0:0}, tmp___20=2, tmp___23=0, tmp___24=1, tmp___3={0:0}, tmp___4={0:0}, tmp___5={0:0}, tmp___6=66, tmp___7=-2, tmp___8=58, tmp___9={0:0}, tty_std_termios={4294967389:-44}, usb_counter=0] [L7485] COND TRUE ldv_state_variable_1 == 2 [L7486] CALL acm_tty_write(acm_ops_group1, (unsigned char const *)ldvarg14, ldvarg13) [L5601] struct acm *acm ; [L5602] int stat ; [L5603] unsigned long flags ; [L5604] int wbn ; [L5605] struct acm_wb *wb ; [L5606] size_t __len ; [L5607] void *__ret ; [L5609] EXPR tty->driver_data [L5609] acm = (struct acm *)tty->driver_data [L5610] COND FALSE !(count == 0) VAL [\old(count)=-6, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __this_module={4294967367:4294967337}, acm={4294967383:0}, acm_driver={223:0}, acm_driver_group1={0:0}, acm_ids={221:0}, acm_ops={222:0}, acm_ops_group0={0:0}, acm_ops_group1={0:0}, acm_port_ops={225:0}, acm_port_ops_group1={0:0}, acm_table={224:0}, acm_table_lock={226:0}, acm_tty_driver={-18446744073709551615:0}, buf={0:0}, buf={0:0}, count=-6, dev_attr_bmCapabilities={218:0}, dev_attr_iCountryCodeRelDate={219:0}, dev_attr_wCountryCodes={220:0}, 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_retval_5=0, ldv_retval_6=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=2, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_state_variable_6=1, ref_cnt=1, tty={0:0}, tty={0:0}, tty_std_termios={4294967389:-44}, usb_counter=0] [L5614] CALL ldv_spin_lock() VAL [\old(ldv_spin)=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __this_module={4294967367:4294967337}, acm_driver={223:0}, acm_driver_group1={0:0}, acm_ids={221:0}, acm_ops={222:0}, acm_ops_group0={0:0}, acm_ops_group1={0:0}, acm_port_ops={225:0}, acm_port_ops_group1={0:0}, acm_table={224:0}, acm_table_lock={226:0}, acm_tty_driver={-18446744073709551615:0}, dev_attr_bmCapabilities={218:0}, dev_attr_iCountryCodeRelDate={219:0}, dev_attr_wCountryCodes={220:0}, 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_retval_5=0, ldv_retval_6=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=2, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_state_variable_6=1, ref_cnt=1, tty_std_termios={4294967389:-44}, usb_counter=0] [L8064] ldv_spin = 1 VAL [\old(ldv_spin)=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __this_module={4294967367:4294967337}, acm_driver={223:0}, acm_driver_group1={0:0}, acm_ids={221:0}, acm_ops={222:0}, acm_ops_group0={0:0}, acm_ops_group1={0:0}, acm_port_ops={225:0}, acm_port_ops_group1={0:0}, acm_table={224:0}, acm_table_lock={226:0}, acm_tty_driver={-18446744073709551615:0}, dev_attr_bmCapabilities={218:0}, dev_attr_iCountryCodeRelDate={219:0}, dev_attr_wCountryCodes={220:0}, 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_retval_5=0, ldv_retval_6=0, ldv_spin=1, ldv_state_variable_0=3, ldv_state_variable_1=2, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_state_variable_6=1, ref_cnt=1, tty_std_termios={4294967389:-44}, usb_counter=0] [L5614] RET ldv_spin_lock() VAL [\old(count)=-6, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __this_module={4294967367:4294967337}, acm={4294967383:0}, acm_driver={223:0}, acm_driver_group1={0:0}, acm_ids={221:0}, acm_ops={222:0}, acm_ops_group0={0:0}, acm_ops_group1={0:0}, acm_port_ops={225:0}, acm_port_ops_group1={0:0}, acm_table={224:0}, acm_table_lock={226:0}, acm_tty_driver={-18446744073709551615:0}, buf={0:0}, buf={0:0}, count=-6, dev_attr_bmCapabilities={218:0}, dev_attr_iCountryCodeRelDate={219:0}, dev_attr_wCountryCodes={220:0}, 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_retval_5=0, ldv_retval_6=0, ldv_spin=1, ldv_state_variable_0=3, ldv_state_variable_1=2, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_state_variable_6=1, ref_cnt=1, tty={0:0}, tty={0:0}, tty_std_termios={4294967389:-44}, usb_counter=0] [L5615] CALL, EXPR acm_wb_alloc(acm) [L4837] int i ; [L4838] int wbn ; [L4839] struct acm_wb *wb ; [L4841] wbn = 0 [L4842] i = 0 VAL [__mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __this_module={4294967367:4294967337}, acm={4294967383:0}, acm={4294967383:0}, acm_driver={223:0}, acm_driver_group1={0:0}, acm_ids={221:0}, acm_ops={222:0}, acm_ops_group0={0:0}, acm_ops_group1={0:0}, acm_port_ops={225:0}, acm_port_ops_group1={0:0}, acm_table={224:0}, acm_table_lock={226:0}, acm_tty_driver={-18446744073709551615:0}, dev_attr_bmCapabilities={218:0}, dev_attr_iCountryCodeRelDate={219:0}, dev_attr_wCountryCodes={220:0}, i=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_retval_5=0, ldv_retval_6=0, ldv_spin=1, ldv_state_variable_0=3, ldv_state_variable_1=2, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_state_variable_6=1, ref_cnt=1, tty_std_termios={4294967389:-44}, usb_counter=0, wbn=0] [L4844] wb = (struct acm_wb *)(& acm->wb) + (unsigned long )wbn [L4845] EXPR wb->use VAL [__mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __this_module={4294967367:4294967337}, acm={4294967383:0}, acm={4294967383:0}, acm_driver={223:0}, acm_driver_group1={0:0}, acm_ids={221:0}, acm_ops={222:0}, acm_ops_group0={0:0}, acm_ops_group1={0:0}, acm_port_ops={225:0}, acm_port_ops_group1={0:0}, acm_table={224:0}, acm_table_lock={226:0}, acm_tty_driver={-18446744073709551615:0}, dev_attr_bmCapabilities={218:0}, dev_attr_iCountryCodeRelDate={219:0}, dev_attr_wCountryCodes={220:0}, i=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_retval_5=0, ldv_retval_6=0, ldv_spin=1, ldv_state_variable_0=3, ldv_state_variable_1=2, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_state_variable_6=1, ref_cnt=1, tty_std_termios={4294967389:-44}, usb_counter=0, wb={4294967383:1058}, wb->use=0, wbn=0] [L4845] COND TRUE wb->use == 0 [L4846] wb->use = 1 [L4847] return (wbn); VAL [\result=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __this_module={4294967367:4294967337}, acm={4294967383:0}, acm={4294967383:0}, acm_driver={223:0}, acm_driver_group1={0:0}, acm_ids={221:0}, acm_ops={222:0}, acm_ops_group0={0:0}, acm_ops_group1={0:0}, acm_port_ops={225:0}, acm_port_ops_group1={0:0}, acm_table={224:0}, acm_table_lock={226:0}, acm_tty_driver={-18446744073709551615:0}, dev_attr_bmCapabilities={218:0}, dev_attr_iCountryCodeRelDate={219:0}, dev_attr_wCountryCodes={220:0}, i=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_retval_5=0, ldv_retval_6=0, ldv_spin=1, ldv_state_variable_0=3, ldv_state_variable_1=2, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_state_variable_6=1, ref_cnt=1, tty_std_termios={4294967389:-44}, usb_counter=0, wb={4294967383:1058}, wbn=0] [L5615] RET, EXPR acm_wb_alloc(acm) [L5615] wbn = acm_wb_alloc(acm) [L5616] COND FALSE !(wbn < 0) [L5621] wb = (struct acm_wb *)(& acm->wb) + (unsigned long )wbn [L5622] EXPR acm->dev VAL [\old(count)=-6, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __this_module={4294967367:4294967337}, acm={4294967383:0}, acm->dev={-233:234}, acm_driver={223:0}, acm_driver_group1={0:0}, acm_ids={221:0}, acm_ops={222:0}, acm_ops_group0={0:0}, acm_ops_group1={0:0}, acm_port_ops={225:0}, acm_port_ops_group1={0:0}, acm_table={224:0}, acm_table_lock={226:0}, acm_tty_driver={-18446744073709551615:0}, buf={0:0}, buf={0:0}, count=-6, dev_attr_bmCapabilities={218:0}, dev_attr_iCountryCodeRelDate={219:0}, dev_attr_wCountryCodes={220:0}, 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_retval_5=0, ldv_retval_6=0, ldv_spin=1, ldv_state_variable_0=3, ldv_state_variable_1=2, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_state_variable_6=1, ref_cnt=1, tty={0:0}, tty={0:0}, tty_std_termios={4294967389:-44}, usb_counter=0, wb={4294967383:1058}, wbn=0] [L5622] COND FALSE !((unsigned long )acm->dev == (unsigned long )((struct usb_device *)0)) [L5628] EXPR acm->writesize VAL [\old(count)=-6, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __this_module={4294967367:4294967337}, acm={4294967383:0}, acm->writesize=0, acm_driver={223:0}, acm_driver_group1={0:0}, acm_ids={221:0}, acm_ops={222:0}, acm_ops_group0={0:0}, acm_ops_group1={0:0}, acm_port_ops={225:0}, acm_port_ops_group1={0:0}, acm_table={224:0}, acm_table_lock={226:0}, acm_tty_driver={-18446744073709551615:0}, buf={0:0}, buf={0:0}, count=-6, dev_attr_bmCapabilities={218:0}, dev_attr_iCountryCodeRelDate={219:0}, dev_attr_wCountryCodes={220:0}, 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_retval_5=0, ldv_retval_6=0, ldv_spin=1, ldv_state_variable_0=3, ldv_state_variable_1=2, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_state_variable_6=1, ref_cnt=1, tty={0:0}, tty={0:0}, tty_std_termios={4294967389:-44}, usb_counter=0, wb={4294967383:1058}, wbn=0] [L5628] EXPR acm->writesize < (unsigned int )count ? acm->writesize : (unsigned int )count [L5628] EXPR acm->writesize [L5628] EXPR acm->writesize < (unsigned int )count ? acm->writesize : (unsigned int )count VAL [\old(count)=-6, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __this_module={4294967367:4294967337}, acm={4294967383:0}, acm->writesize=0, acm->writesize=0, acm->writesize < (unsigned int )count ? acm->writesize : (unsigned int )count=0, acm_driver={223:0}, acm_driver_group1={0:0}, acm_ids={221:0}, acm_ops={222:0}, acm_ops_group0={0:0}, acm_ops_group1={0:0}, acm_port_ops={225:0}, acm_port_ops_group1={0:0}, acm_table={224:0}, acm_table_lock={226:0}, acm_tty_driver={-18446744073709551615:0}, buf={0:0}, buf={0:0}, count=-6, dev_attr_bmCapabilities={218:0}, dev_attr_iCountryCodeRelDate={219:0}, dev_attr_wCountryCodes={220:0}, 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_retval_5=0, ldv_retval_6=0, ldv_spin=1, ldv_state_variable_0=3, ldv_state_variable_1=2, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_state_variable_6=1, ref_cnt=1, tty={0:0}, tty={0:0}, tty_std_termios={4294967389:-44}, usb_counter=0, wb={4294967383:1058}, wbn=0] [L5628] count = (int )(acm->writesize < (unsigned int )count ? acm->writesize : (unsigned int )count) [L5629] __len = (size_t )count [L5630] EXPR wb->buf VAL [\old(count)=-6, __len=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __this_module={4294967367:4294967337}, acm={4294967383:0}, acm_driver={223:0}, acm_driver_group1={0:0}, acm_ids={221:0}, acm_ops={222:0}, acm_ops_group0={0:0}, acm_ops_group1={0:0}, acm_port_ops={225:0}, acm_port_ops_group1={0:0}, acm_table={224:0}, acm_table_lock={226:0}, acm_tty_driver={-18446744073709551615:0}, buf={0:0}, buf={0:0}, count=0, dev_attr_bmCapabilities={218:0}, dev_attr_iCountryCodeRelDate={219:0}, dev_attr_wCountryCodes={220:0}, 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_retval_5=0, ldv_retval_6=0, ldv_spin=1, ldv_state_variable_0=3, ldv_state_variable_1=2, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_state_variable_6=1, ref_cnt=1, tty={0:0}, tty={0:0}, tty_std_termios={4294967389:-44}, usb_counter=0, wb={4294967383:1058}, wb->buf={4294967364:4294967404}, wbn=0] [L5630] EXPR, FCALL memcpy((void *)wb->buf, (void const *)buf, __len) VAL [\old(count)=-6, __len=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __this_module={4294967367:4294967337}, acm={4294967383:0}, acm_driver={223:0}, acm_driver_group1={0:0}, acm_ids={221:0}, acm_ops={222:0}, acm_ops_group0={0:0}, acm_ops_group1={0:0}, acm_port_ops={225:0}, acm_port_ops_group1={0:0}, acm_table={224:0}, acm_table_lock={226:0}, acm_tty_driver={-18446744073709551615:0}, buf={0:0}, buf={0:0}, count=0, dev_attr_bmCapabilities={218:0}, dev_attr_iCountryCodeRelDate={219:0}, dev_attr_wCountryCodes={220:0}, 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_retval_5=0, ldv_retval_6=0, ldv_spin=1, ldv_state_variable_0=3, ldv_state_variable_1=2, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_state_variable_6=1, memcpy((void *)wb->buf, (void const *)buf, __len)={4294967364:4294967404}, ref_cnt=1, tty={0:0}, tty={0:0}, tty_std_termios={4294967389:-44}, usb_counter=0, wb={4294967383:1058}, wb->buf={4294967364:4294967404}, wbn=0] [L5630] __ret = memcpy((void *)wb->buf, (void const *)buf, __len) [L5631] wb->len = count [L5632] EXPR acm->control [L5632] CALL, EXPR usb_autopm_get_interface_async(acm->control) [L8288] return __VERIFIER_nondet_int(); [L5632] RET, EXPR usb_autopm_get_interface_async(acm->control) [L5632] stat = usb_autopm_get_interface_async(acm->control) [L5633] COND FALSE !(stat != 0) [L5639] EXPR acm->susp_count VAL [\old(count)=-6, __len=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __ret={4294967364:4294967404}, __this_module={4294967367:4294967337}, acm={4294967383:0}, acm->susp_count=0, acm_driver={223:0}, acm_driver_group1={0:0}, acm_ids={221:0}, acm_ops={222:0}, acm_ops_group0={0:0}, acm_ops_group1={0:0}, acm_port_ops={225:0}, acm_port_ops_group1={0:0}, acm_table={224:0}, acm_table_lock={226:0}, acm_tty_driver={-18446744073709551615:0}, buf={0:0}, buf={0:0}, count=0, dev_attr_bmCapabilities={218:0}, dev_attr_iCountryCodeRelDate={219:0}, dev_attr_wCountryCodes={220:0}, 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_retval_5=0, ldv_retval_6=0, ldv_spin=1, ldv_state_variable_0=3, ldv_state_variable_1=2, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_state_variable_6=1, ref_cnt=1, stat=0, tty={0:0}, tty={0:0}, tty_std_termios={4294967389:-44}, usb_counter=0, wb={4294967383:1058}, wbn=0] [L5639] COND FALSE !(acm->susp_count != 0U) [L5645] CALL acm_start_wb(acm, wb) VAL [__mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __this_module={4294967367:4294967337}, acm_driver={223:0}, acm_driver_group1={0:0}, acm_ids={221:0}, acm_ops={222:0}, acm_ops_group0={0:0}, acm_ops_group1={0:0}, acm_port_ops={225:0}, acm_port_ops_group1={0:0}, acm_table={224:0}, acm_table_lock={226:0}, acm_tty_driver={-18446744073709551615:0}, dev_attr_bmCapabilities={218:0}, dev_attr_iCountryCodeRelDate={219:0}, dev_attr_wCountryCodes={220:0}, 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_retval_5=0, ldv_retval_6=0, ldv_spin=1, ldv_state_variable_0=3, ldv_state_variable_1=2, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_state_variable_6=1, ref_cnt=1, tty_std_termios={4294967389:-44}, usb_counter=0] [L4892] int rc ; [L4894] EXPR acm->transmitting [L4894] acm->transmitting = acm->transmitting + 1 [L4895] EXPR wb->urb [L4895] EXPR wb->buf [L4895] (wb->urb)->transfer_buffer = (void *)wb->buf [L4896] EXPR wb->urb [L4896] EXPR wb->dmah [L4896] (wb->urb)->transfer_dma = wb->dmah [L4897] EXPR wb->urb [L4897] EXPR wb->len [L4897] (wb->urb)->transfer_buffer_length = (u32 )wb->len [L4898] EXPR wb->urb [L4898] EXPR acm->dev [L4898] (wb->urb)->dev = acm->dev [L4899] EXPR wb->urb [L4899] CALL ldv_usb_submit_urb_19(wb->urb, 32U) [L7907] int tmp ; VAL [\old(flags)=32, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __this_module={4294967367:4294967337}, acm_driver={223:0}, acm_driver_group1={0:0}, acm_ids={221:0}, acm_ops={222:0}, acm_ops_group0={0:0}, acm_ops_group1={0:0}, acm_port_ops={225:0}, acm_port_ops_group1={0:0}, acm_table={224:0}, acm_table_lock={226:0}, acm_tty_driver={-18446744073709551615:0}, dev_attr_bmCapabilities={218:0}, dev_attr_iCountryCodeRelDate={219:0}, dev_attr_wCountryCodes={220:0}, flags=32, ldv_func_arg1={-233:234}, ldv_func_arg1={-233:234}, 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_retval_5=0, ldv_retval_6=0, ldv_spin=1, ldv_state_variable_0=3, ldv_state_variable_1=2, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_state_variable_6=1, ref_cnt=1, tty_std_termios={4294967389:-44}, usb_counter=0] [L7909] CALL ldv_check_alloc_flags(flags) VAL [\old(flags)=32, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __this_module={4294967367:4294967337}, acm_driver={223:0}, acm_driver_group1={0:0}, acm_ids={221:0}, acm_ops={222:0}, acm_ops_group0={0:0}, acm_ops_group1={0:0}, acm_port_ops={225:0}, acm_port_ops_group1={0:0}, acm_table={224:0}, acm_table_lock={226:0}, acm_tty_driver={-18446744073709551615:0}, dev_attr_bmCapabilities={218:0}, dev_attr_iCountryCodeRelDate={219:0}, dev_attr_wCountryCodes={220:0}, 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_retval_5=0, ldv_retval_6=0, ldv_spin=1, ldv_state_variable_0=3, ldv_state_variable_1=2, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_state_variable_6=1, ref_cnt=1, tty_std_termios={4294967389:-44}, usb_counter=0] [L8031] COND FALSE !(ldv_spin == 0 || ! (flags & 16U)) VAL [\old(flags)=32, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __this_module={4294967367:4294967337}, acm_driver={223:0}, acm_driver_group1={0:0}, acm_ids={221:0}, acm_ops={222:0}, acm_ops_group0={0:0}, acm_ops_group1={0:0}, acm_port_ops={225:0}, acm_port_ops_group1={0:0}, acm_table={224:0}, acm_table_lock={226:0}, acm_tty_driver={-18446744073709551615:0}, dev_attr_bmCapabilities={218:0}, dev_attr_iCountryCodeRelDate={219:0}, dev_attr_wCountryCodes={220:0}, flags=32, 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_retval_5=0, ldv_retval_6=0, ldv_spin=1, ldv_state_variable_0=3, ldv_state_variable_1=2, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_state_variable_6=1, ref_cnt=1, tty_std_termios={4294967389:-44}, usb_counter=0] [L8033] CALL ldv_error() VAL [__mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __this_module={4294967367:4294967337}, acm_driver={223:0}, acm_driver_group1={0:0}, acm_ids={221:0}, acm_ops={222:0}, acm_ops_group0={0:0}, acm_ops_group1={0:0}, acm_port_ops={225:0}, acm_port_ops_group1={0:0}, acm_table={224:0}, acm_table_lock={226:0}, acm_tty_driver={-18446744073709551615:0}, dev_attr_bmCapabilities={218:0}, dev_attr_iCountryCodeRelDate={219:0}, dev_attr_wCountryCodes={220:0}, 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_retval_5=0, ldv_retval_6=0, ldv_spin=1, ldv_state_variable_0=3, ldv_state_variable_1=2, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_state_variable_6=1, ref_cnt=1, tty_std_termios={4294967389:-44}, usb_counter=0] [L4280] reach_error() VAL [__mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __mod_usb__acm_ids_device_table=0, __this_module={4294967367:4294967337}, acm_driver={223:0}, acm_driver_group1={0:0}, acm_ids={221:0}, acm_ops={222:0}, acm_ops_group0={0:0}, acm_ops_group1={0:0}, acm_port_ops={225:0}, acm_port_ops_group1={0:0}, acm_table={224:0}, acm_table_lock={226:0}, acm_tty_driver={-18446744073709551615:0}, dev_attr_bmCapabilities={218:0}, dev_attr_iCountryCodeRelDate={219:0}, dev_attr_wCountryCodes={220:0}, 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_retval_5=0, ldv_retval_6=0, ldv_spin=1, ldv_state_variable_0=3, ldv_state_variable_1=2, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_state_variable_6=1, ref_cnt=1, tty_std_termios={4294967389:-44}, usb_counter=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 83 procedures, 1427 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 366.0s, OverallIterations: 16, TraceHistogramMax: 18, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.3s, AutomataDifference: 318.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 66 mSolverCounterUnknown, 29819 SdHoareTripleChecker+Valid, 303.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 27482 mSDsluCounter, 102811 SdHoareTripleChecker+Invalid, 289.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 77707 mSDsCounter, 18493 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 60212 IncrementalHoareTripleChecker+Invalid, 78771 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 18493 mSolverCounterUnsat, 25104 mSDtfsCounter, 60212 mSolverCounterSat, 1.0s SdHoareTripleChecker+Time, 66 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1665 GetRequests, 1474 SyntacticMatches, 1 SemanticMatches, 190 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 405 ImplicationChecksByTransitivity, 4.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=13595occurred in iteration=13, InterpolantAutomatonStates: 169, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 9.7s AutomataMinimizationTime, 15 MinimizatonAttempts, 11635 StatesRemovedByMinimization, 15 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.9s SsaConstructionTime, 13.0s SatisfiabilityAnalysisTime, 18.5s InterpolantComputationTime, 3609 NumberOfCodeBlocks, 3609 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 3588 ConstructedInterpolants, 0 QuantifiedInterpolants, 6670 SizeOfPredicates, 4 NumberOfNonLiveVariables, 13913 ConjunctsInSsa, 16 ConjunctsInUnsatCore, 18 InterpolantComputations, 14 PerfectInterpolantSequences, 9580/9584 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 [2022-11-16 11:07:55,495 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b14c2621-c493-4627-9f0a-0e7cad39a17b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process [2022-11-16 11:07:55,517 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b14c2621-c493-4627-9f0a-0e7cad39a17b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 137 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/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b14c2621-c493-4627-9f0a-0e7cad39a17b/bin/uautomizer-tPACEb0tL8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b14c2621-c493-4627-9f0a-0e7cad39a17b/bin/uautomizer-tPACEb0tL8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b14c2621-c493-4627-9f0a-0e7cad39a17b/bin/uautomizer-tPACEb0tL8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b14c2621-c493-4627-9f0a-0e7cad39a17b/bin/uautomizer-tPACEb0tL8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--usb--class--cdc-acm.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b14c2621-c493-4627-9f0a-0e7cad39a17b/bin/uautomizer-tPACEb0tL8/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b14c2621-c493-4627-9f0a-0e7cad39a17b/bin/uautomizer-tPACEb0tL8 --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 36ffbabf76f0a0e87302d8b80308134217d4fdef380ae154dfcdec710817c6e2 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-e04fb08 [2022-11-16 11:07:57,773 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 11:07:57,776 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 11:07:57,815 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 11:07:57,816 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 11:07:57,820 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 11:07:57,823 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 11:07:57,830 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 11:07:57,832 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 11:07:57,838 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 11:07:57,840 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 11:07:57,842 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 11:07:57,843 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 11:07:57,845 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 11:07:57,847 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 11:07:57,848 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 11:07:57,851 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 11:07:57,852 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 11:07:57,857 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 11:07:57,862 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 11:07:57,866 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 11:07:57,868 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 11:07:57,870 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 11:07:57,872 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 11:07:57,881 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 11:07:57,883 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 11:07:57,883 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 11:07:57,884 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 11:07:57,886 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 11:07:57,887 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 11:07:57,888 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 11:07:57,889 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 11:07:57,891 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 11:07:57,891 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 11:07:57,892 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 11:07:57,893 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 11:07:57,894 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 11:07:57,895 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 11:07:57,895 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 11:07:57,897 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 11:07:57,898 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 11:07:57,901 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b14c2621-c493-4627-9f0a-0e7cad39a17b/bin/uautomizer-tPACEb0tL8/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-11-16 11:07:57,943 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 11:07:57,944 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 11:07:57,944 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 11:07:57,945 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 11:07:57,946 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 11:07:57,946 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 11:07:57,948 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 11:07:57,948 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 11:07:57,948 INFO L138 SettingsManager]: * Use SBE=true [2022-11-16 11:07:57,948 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 11:07:57,950 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 11:07:57,950 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 11:07:57,950 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 11:07:57,950 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 11:07:57,951 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-16 11:07:57,951 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-16 11:07:57,951 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-16 11:07:57,951 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 11:07:57,952 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 11:07:57,952 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 11:07:57,952 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 11:07:57,952 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 11:07:57,953 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 11:07:57,953 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 11:07:57,953 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 11:07:57,953 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 11:07:57,954 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 11:07:57,954 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-11-16 11:07:57,954 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-16 11:07:57,955 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-16 11:07:57,955 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-16 11:07:57,955 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 11:07:57,955 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-16 11:07:57,956 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_b14c2621-c493-4627-9f0a-0e7cad39a17b/bin/uautomizer-tPACEb0tL8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b14c2621-c493-4627-9f0a-0e7cad39a17b/bin/uautomizer-tPACEb0tL8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 36ffbabf76f0a0e87302d8b80308134217d4fdef380ae154dfcdec710817c6e2 [2022-11-16 11:07:58,399 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 11:07:58,436 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 11:07:58,439 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 11:07:58,440 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 11:07:58,443 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 11:07:58,444 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b14c2621-c493-4627-9f0a-0e7cad39a17b/bin/uautomizer-tPACEb0tL8/../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--usb--class--cdc-acm.ko-entry_point.cil.out.i [2022-11-16 11:07:58,516 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b14c2621-c493-4627-9f0a-0e7cad39a17b/bin/uautomizer-tPACEb0tL8/data/2b94d54cb/5f2b960ec01244c7b2c60984528c8609/FLAG29be599a5 [2022-11-16 11:07:59,413 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 11:07:59,416 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b14c2621-c493-4627-9f0a-0e7cad39a17b/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--usb--class--cdc-acm.ko-entry_point.cil.out.i [2022-11-16 11:07:59,470 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b14c2621-c493-4627-9f0a-0e7cad39a17b/bin/uautomizer-tPACEb0tL8/data/2b94d54cb/5f2b960ec01244c7b2c60984528c8609/FLAG29be599a5 [2022-11-16 11:07:59,931 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b14c2621-c493-4627-9f0a-0e7cad39a17b/bin/uautomizer-tPACEb0tL8/data/2b94d54cb/5f2b960ec01244c7b2c60984528c8609 [2022-11-16 11:07:59,934 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 11:07:59,936 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 11:07:59,939 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 11:07:59,939 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 11:07:59,943 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 11:07:59,944 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:07:59" (1/1) ... [2022-11-16 11:07:59,945 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f912865 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:07:59, skipping insertion in model container [2022-11-16 11:07:59,946 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:07:59" (1/1) ... [2022-11-16 11:07:59,953 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 11:08:00,111 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 11:08:00,685 WARN L1255 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [3834] [2022-11-16 11:08:00,685 WARN L1255 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [3835-3836] [2022-11-16 11:08:01,115 WARN L229 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_b14c2621-c493-4627-9f0a-0e7cad39a17b/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--usb--class--cdc-acm.ko-entry_point.cil.out.i[119274,119287] [2022-11-16 11:08:02,274 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 11:08:02,360 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-11-16 11:08:02,422 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 11:08:02,538 WARN L1255 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [3834] [2022-11-16 11:08:02,539 WARN L1255 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [3835-3836] [2022-11-16 11:08:02,560 WARN L229 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_b14c2621-c493-4627-9f0a-0e7cad39a17b/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--usb--class--cdc-acm.ko-entry_point.cil.out.i[119274,119287] [2022-11-16 11:08:02,941 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 11:08:02,999 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 11:08:03,147 WARN L1255 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [3834] [2022-11-16 11:08:03,148 WARN L1255 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [3835-3836] [2022-11-16 11:08:03,158 WARN L229 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_b14c2621-c493-4627-9f0a-0e7cad39a17b/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--usb--class--cdc-acm.ko-entry_point.cil.out.i[119274,119287] [2022-11-16 11:08:03,365 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 11:08:03,574 INFO L208 MainTranslator]: Completed translation [2022-11-16 11:08:03,575 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:08:03 WrapperNode [2022-11-16 11:08:03,575 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 11:08:03,576 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 11:08:03,576 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 11:08:03,577 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 11:08:03,584 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:08:03" (1/1) ... [2022-11-16 11:08:03,687 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:08:03" (1/1) ... [2022-11-16 11:08:03,900 INFO L138 Inliner]: procedures = 279, calls = 3761, calls flagged for inlining = 131, calls inlined = 111, statements flattened = 6399 [2022-11-16 11:08:03,901 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 11:08:03,901 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 11:08:03,901 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 11:08:03,902 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 11:08:03,911 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:08:03" (1/1) ... [2022-11-16 11:08:03,911 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:08:03" (1/1) ... [2022-11-16 11:08:03,971 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:08:03" (1/1) ... [2022-11-16 11:08:03,972 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:08:03" (1/1) ... [2022-11-16 11:08:04,156 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:08:03" (1/1) ... [2022-11-16 11:08:04,183 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:08:03" (1/1) ... [2022-11-16 11:08:04,220 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:08:03" (1/1) ... [2022-11-16 11:08:04,243 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:08:03" (1/1) ... [2022-11-16 11:08:04,281 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 11:08:04,283 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 11:08:04,283 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 11:08:04,283 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 11:08:04,285 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:08:03" (1/1) ... [2022-11-16 11:08:04,292 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 11:08:04,302 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b14c2621-c493-4627-9f0a-0e7cad39a17b/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:08:04,317 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b14c2621-c493-4627-9f0a-0e7cad39a17b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-16 11:08:04,350 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b14c2621-c493-4627-9f0a-0e7cad39a17b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-16 11:08:04,368 INFO L130 BoogieDeclarations]: Found specification of procedure acm_disconnect [2022-11-16 11:08:04,369 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_disconnect [2022-11-16 11:08:04,369 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_tty_hangup [2022-11-16 11:08:04,369 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_port_tty_hangup [2022-11-16 11:08:04,369 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-11-16 11:08:04,369 INFO L130 BoogieDeclarations]: Found specification of procedure __cmpxchg_wrong_size [2022-11-16 11:08:04,370 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2022-11-16 11:08:04,370 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2022-11-16 11:08:04,370 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2022-11-16 11:08:04,370 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2022-11-16 11:08:04,370 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-11-16 11:08:04,370 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2022-11-16 11:08:04,371 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-11-16 11:08:04,371 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-16 11:08:04,371 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-11-16 11:08:04,371 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-16 11:08:04,371 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-16 11:08:04,371 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-16 11:08:04,371 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_int [2022-11-16 11:08:04,372 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_int [2022-11-16 11:08:04,372 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_cleanup [2022-11-16 11:08:04,372 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_cleanup [2022-11-16 11:08:04,372 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-11-16 11:08:04,372 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-11-16 11:08:04,373 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2022-11-16 11:08:04,373 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2022-11-16 11:08:04,373 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-16 11:08:04,374 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-16 11:08:04,374 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_maxp [2022-11-16 11:08:04,374 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_maxp [2022-11-16 11:08:04,374 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_get_interface [2022-11-16 11:08:04,374 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_get_interface [2022-11-16 11:08:04,374 INFO L130 BoogieDeclarations]: Found specification of procedure acm_write_buffers_free [2022-11-16 11:08:04,374 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_write_buffers_free [2022-11-16 11:08:04,375 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-11-16 11:08:04,375 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-11-16 11:08:04,375 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2022-11-16 11:08:04,375 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2022-11-16 11:08:04,375 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-16 11:08:04,376 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-16 11:08:04,376 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_in [2022-11-16 11:08:04,376 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_in [2022-11-16 11:08:04,377 INFO L130 BoogieDeclarations]: Found specification of procedure device_create_file [2022-11-16 11:08:04,377 INFO L138 BoogieDeclarations]: Found implementation of procedure device_create_file [2022-11-16 11:08:04,378 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-16 11:08:04,378 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-16 11:08:04,379 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-16 11:08:04,380 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-16 11:08:04,380 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-16 11:08:04,380 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-16 11:08:04,380 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_put [2022-11-16 11:08:04,381 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_port_put [2022-11-16 11:08:04,381 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_chars_in_buffer [2022-11-16 11:08:04,381 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_chars_in_buffer [2022-11-16 11:08:04,381 INFO L130 BoogieDeclarations]: Found specification of procedure acm_resume [2022-11-16 11:08:04,382 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_resume [2022-11-16 11:08:04,382 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-16 11:08:04,382 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-16 11:08:04,382 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-16 11:08:04,382 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-11-16 11:08:04,382 INFO L130 BoogieDeclarations]: Found specification of procedure acm_ctrl_msg [2022-11-16 11:08:04,383 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_ctrl_msg [2022-11-16 11:08:04,383 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_coherent [2022-11-16 11:08:04,384 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_coherent [2022-11-16 11:08:04,384 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-16 11:08:04,384 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_hangup [2022-11-16 11:08:04,384 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_hangup [2022-11-16 11:08:04,384 INFO L130 BoogieDeclarations]: Found specification of procedure usb_ifnum_to_if [2022-11-16 11:08:04,384 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_ifnum_to_if [2022-11-16 11:08:04,385 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2022-11-16 11:08:04,385 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2022-11-16 11:08:04,385 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-16 11:08:04,385 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-16 11:08:04,385 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-11-16 11:08:04,385 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-11-16 11:08:04,385 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-11-16 11:08:04,386 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-11-16 11:08:04,386 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-16 11:08:04,387 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-16 11:08:04,387 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2022-11-16 11:08:04,387 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2022-11-16 11:08:04,387 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2022-11-16 11:08:04,387 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-16 11:08:04,387 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-11-16 11:08:04,388 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-11-16 11:08:04,388 INFO L130 BoogieDeclarations]: Found specification of procedure put_tty_driver [2022-11-16 11:08:04,388 INFO L138 BoogieDeclarations]: Found implementation of procedure put_tty_driver [2022-11-16 11:08:04,388 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-11-16 11:08:04,388 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-11-16 11:08:04,388 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_tiocmget [2022-11-16 11:08:04,389 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_tiocmget [2022-11-16 11:08:04,389 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2022-11-16 11:08:04,389 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2022-11-16 11:08:04,389 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_set_termios [2022-11-16 11:08:04,389 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_set_termios [2022-11-16 11:08:04,389 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_from_anchor [2022-11-16 11:08:04,390 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_from_anchor [2022-11-16 11:08:04,390 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2022-11-16 11:08:04,390 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2022-11-16 11:08:04,390 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-11-16 11:08:04,390 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-11-16 11:08:04,390 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2022-11-16 11:08:04,390 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2022-11-16 11:08:04,391 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_break_ctl [2022-11-16 11:08:04,391 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_break_ctl [2022-11-16 11:08:04,391 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-11-16 11:08:04,391 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-11-16 11:08:04,391 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_put_interface [2022-11-16 11:08:04,391 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_put_interface [2022-11-16 11:08:04,392 INFO L130 BoogieDeclarations]: Found specification of procedure acm_start_wb [2022-11-16 11:08:04,392 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_start_wb [2022-11-16 11:08:04,392 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_bulk [2022-11-16 11:08:04,392 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_bulk [2022-11-16 11:08:04,392 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-16 11:08:04,392 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-16 11:08:04,393 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2022-11-16 11:08:04,393 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2022-11-16 11:08:04,393 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_throttle [2022-11-16 11:08:04,393 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_throttle [2022-11-16 11:08:04,393 INFO L130 BoogieDeclarations]: Found specification of procedure acm_wb_is_avail [2022-11-16 11:08:04,393 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_wb_is_avail [2022-11-16 11:08:04,394 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-11-16 11:08:04,394 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-11-16 11:08:04,394 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2022-11-16 11:08:04,394 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2022-11-16 11:08:04,394 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-11-16 11:08:04,394 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-11-16 11:08:04,395 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_write_room [2022-11-16 11:08:04,395 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_write_room [2022-11-16 11:08:04,395 INFO L130 BoogieDeclarations]: Found specification of procedure acm_submit_read_urb [2022-11-16 11:08:04,395 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_submit_read_urb [2022-11-16 11:08:04,395 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_int_urb [2022-11-16 11:08:04,395 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_int_urb [2022-11-16 11:08:04,395 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-16 11:08:04,396 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-16 11:08:04,396 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2022-11-16 11:08:04,396 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2022-11-16 11:08:04,396 INFO L130 BoogieDeclarations]: Found specification of procedure acm_write_done [2022-11-16 11:08:04,396 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_write_done [2022-11-16 11:08:04,396 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_ioctl [2022-11-16 11:08:04,396 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_ioctl [2022-11-16 11:08:04,397 INFO L130 BoogieDeclarations]: Found specification of procedure acm_release_minor [2022-11-16 11:08:04,397 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_release_minor [2022-11-16 11:08:04,397 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-11-16 11:08:04,397 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-11-16 11:08:04,397 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-11-16 11:08:04,397 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-11-16 11:08:04,398 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2022-11-16 11:08:04,398 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2022-11-16 11:08:04,398 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-16 11:08:04,398 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-16 11:08:04,398 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_put_interface_async [2022-11-16 11:08:04,398 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_put_interface_async [2022-11-16 11:08:04,398 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_unthrottle [2022-11-16 11:08:04,399 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_unthrottle [2022-11-16 11:08:04,399 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-16 11:08:04,399 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-16 11:08:04,399 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-16 11:08:04,399 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-16 11:08:04,399 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-11-16 11:08:04,399 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-11-16 11:08:04,400 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-11-16 11:08:04,400 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2022-11-16 11:08:04,400 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2022-11-16 11:08:04,400 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2022-11-16 11:08:04,400 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2022-11-16 11:08:04,400 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_coherent [2022-11-16 11:08:04,400 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_coherent [2022-11-16 11:08:04,401 INFO L130 BoogieDeclarations]: Found specification of procedure acm_port_dtr_rts [2022-11-16 11:08:04,401 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_port_dtr_rts [2022-11-16 11:08:04,401 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2022-11-16 11:08:04,401 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2022-11-16 11:08:04,401 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2022-11-16 11:08:04,401 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2022-11-16 11:08:04,401 INFO L130 BoogieDeclarations]: Found specification of procedure acm_read_buffers_free [2022-11-16 11:08:04,402 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_read_buffers_free [2022-11-16 11:08:04,402 INFO L130 BoogieDeclarations]: Found specification of procedure acm_submit_read_urbs [2022-11-16 11:08:04,402 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_submit_read_urbs [2022-11-16 11:08:04,402 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_install [2022-11-16 11:08:04,402 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_install [2022-11-16 11:08:04,402 INFO L130 BoogieDeclarations]: Found specification of procedure stop_data_traffic [2022-11-16 11:08:04,403 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_data_traffic [2022-11-16 11:08:04,403 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2022-11-16 11:08:04,403 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2022-11-16 11:08:04,403 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-11-16 11:08:04,403 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-11-16 11:08:04,403 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-11-16 11:08:04,403 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2022-11-16 11:08:04,404 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2022-11-16 11:08:04,404 INFO L130 BoogieDeclarations]: Found specification of procedure device_remove_file [2022-11-16 11:08:04,404 INFO L138 BoogieDeclarations]: Found implementation of procedure device_remove_file [2022-11-16 11:08:04,404 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_tiocmset [2022-11-16 11:08:04,404 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_tiocmset [2022-11-16 11:08:04,404 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 11:08:04,404 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 11:08:04,405 INFO L130 BoogieDeclarations]: Found specification of procedure tty_unregister_driver [2022-11-16 11:08:04,405 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_unregister_driver [2022-11-16 11:08:04,405 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-11-16 11:08:04,405 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-11-16 11:08:05,415 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 11:08:05,418 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 11:08:05,994 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-16 11:08:52,279 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 11:08:52,308 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 11:08:52,308 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-16 11:08:52,313 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:08:52 BoogieIcfgContainer [2022-11-16 11:08:52,313 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 11:08:52,317 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-16 11:08:52,317 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-16 11:08:52,320 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-16 11:08:52,321 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 11:07:59" (1/3) ... [2022-11-16 11:08:52,326 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ca39f66 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:08:52, skipping insertion in model container [2022-11-16 11:08:52,326 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:08:03" (2/3) ... [2022-11-16 11:08:52,327 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ca39f66 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:08:52, skipping insertion in model container [2022-11-16 11:08:52,327 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:08:52" (3/3) ... [2022-11-16 11:08:52,328 INFO L112 eAbstractionObserver]: Analyzing ICFG 43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--usb--class--cdc-acm.ko-entry_point.cil.out.i [2022-11-16 11:08:52,347 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-16 11:08:52,348 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-16 11:08:52,449 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-16 11:08:52,458 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@50f7fa7d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-16 11:08:52,458 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-16 11:08:52,469 INFO L276 IsEmpty]: Start isEmpty. Operand has 1416 states, 1003 states have (on average 1.3320039880358923) internal successors, (1336), 1018 states have internal predecessors, (1336), 330 states have call successors, (330), 82 states have call predecessors, (330), 81 states have return successors, (322), 322 states have call predecessors, (322), 322 states have call successors, (322) [2022-11-16 11:08:52,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2022-11-16 11:08:52,508 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:08:52,509 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:08:52,510 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:08:52,515 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:08:52,519 INFO L85 PathProgramCache]: Analyzing trace with hash 1539001672, now seen corresponding path program 1 times [2022-11-16 11:08:52,546 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-16 11:08:52,546 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1871661509] [2022-11-16 11:08:52,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:08:52,547 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-16 11:08:52,547 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b14c2621-c493-4627-9f0a-0e7cad39a17b/bin/uautomizer-tPACEb0tL8/mathsat [2022-11-16 11:08:52,552 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b14c2621-c493-4627-9f0a-0e7cad39a17b/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-16 11:08:52,563 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b14c2621-c493-4627-9f0a-0e7cad39a17b/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-11-16 11:08:55,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:08:55,124 INFO L263 TraceCheckSpWp]: Trace formula consists of 4128 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-16 11:08:55,135 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 11:08:55,252 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2022-11-16 11:08:55,252 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-16 11:08:55,253 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-16 11:08:55,253 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1871661509] [2022-11-16 11:08:55,254 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1871661509] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:08:55,254 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:08:55,254 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-16 11:08:55,256 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1145451567] [2022-11-16 11:08:55,257 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:08:55,261 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-16 11:08:55,262 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-16 11:08:55,398 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-16 11:08:55,398 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-16 11:08:55,406 INFO L87 Difference]: Start difference. First operand has 1416 states, 1003 states have (on average 1.3320039880358923) internal successors, (1336), 1018 states have internal predecessors, (1336), 330 states have call successors, (330), 82 states have call predecessors, (330), 81 states have return successors, (322), 322 states have call predecessors, (322), 322 states have call successors, (322) Second operand has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (21), 2 states have call predecessors, (21), 3 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-11-16 11:08:55,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:08:55,752 INFO L93 Difference]: Finished difference Result 2830 states and 4049 transitions. [2022-11-16 11:08:55,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-16 11:08:55,757 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (21), 2 states have call predecessors, (21), 3 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 130 [2022-11-16 11:08:55,758 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:08:55,788 INFO L225 Difference]: With dead ends: 2830 [2022-11-16 11:08:55,788 INFO L226 Difference]: Without dead ends: 1395 [2022-11-16 11:08:55,801 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 127 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-16 11:08:55,806 INFO L413 NwaCegarLoop]: 1982 mSDtfsCounter, 2 mSDsluCounter, 3959 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 5941 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-16 11:08:55,807 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 5941 Invalid, 13 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-16 11:08:55,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1395 states. [2022-11-16 11:08:55,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1395 to 1395. [2022-11-16 11:08:55,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1395 states, 994 states have (on average 1.3229376257545271) internal successors, (1315), 999 states have internal predecessors, (1315), 320 states have call successors, (320), 81 states have call predecessors, (320), 80 states have return successors, (319), 319 states have call predecessors, (319), 319 states have call successors, (319) [2022-11-16 11:08:55,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1395 states to 1395 states and 1954 transitions. [2022-11-16 11:08:55,978 INFO L78 Accepts]: Start accepts. Automaton has 1395 states and 1954 transitions. Word has length 130 [2022-11-16 11:08:55,979 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:08:55,980 INFO L495 AbstractCegarLoop]: Abstraction has 1395 states and 1954 transitions. [2022-11-16 11:08:55,980 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (21), 2 states have call predecessors, (21), 3 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-11-16 11:08:55,980 INFO L276 IsEmpty]: Start isEmpty. Operand 1395 states and 1954 transitions. [2022-11-16 11:08:55,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2022-11-16 11:08:55,997 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:08:55,998 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:08:56,053 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b14c2621-c493-4627-9f0a-0e7cad39a17b/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-11-16 11:08:56,223 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b14c2621-c493-4627-9f0a-0e7cad39a17b/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-16 11:08:56,223 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:08:56,224 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:08:56,224 INFO L85 PathProgramCache]: Analyzing trace with hash -1748732336, now seen corresponding path program 1 times [2022-11-16 11:08:56,227 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-16 11:08:56,227 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1930918438] [2022-11-16 11:08:56,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:08:56,228 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-16 11:08:56,228 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b14c2621-c493-4627-9f0a-0e7cad39a17b/bin/uautomizer-tPACEb0tL8/mathsat [2022-11-16 11:08:56,229 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b14c2621-c493-4627-9f0a-0e7cad39a17b/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-16 11:08:56,230 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b14c2621-c493-4627-9f0a-0e7cad39a17b/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-11-16 11:08:58,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:08:58,894 INFO L263 TraceCheckSpWp]: Trace formula consists of 4139 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-16 11:08:58,901 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 11:08:59,000 INFO L134 CoverageAnalysis]: Checked inductivity of 365 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2022-11-16 11:08:59,000 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 11:08:59,399 INFO L134 CoverageAnalysis]: Checked inductivity of 365 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2022-11-16 11:08:59,399 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-16 11:08:59,400 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1930918438] [2022-11-16 11:08:59,400 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1930918438] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-16 11:08:59,400 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-16 11:08:59,400 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2022-11-16 11:08:59,400 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1229263415] [2022-11-16 11:08:59,401 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-16 11:08:59,404 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-16 11:08:59,404 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-16 11:08:59,405 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-16 11:08:59,405 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-16 11:08:59,405 INFO L87 Difference]: Start difference. First operand 1395 states and 1954 transitions. Second operand has 8 states, 8 states have (on average 8.0) internal successors, (64), 8 states have internal predecessors, (64), 2 states have call successors, (25), 2 states have call predecessors, (25), 4 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-11-16 11:09:00,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:09:00,062 INFO L93 Difference]: Finished difference Result 2769 states and 3882 transitions. [2022-11-16 11:09:00,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-16 11:09:00,063 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.0) internal successors, (64), 8 states have internal predecessors, (64), 2 states have call successors, (25), 2 states have call predecessors, (25), 4 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 131 [2022-11-16 11:09:00,066 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:09:00,078 INFO L225 Difference]: With dead ends: 2769 [2022-11-16 11:09:00,079 INFO L226 Difference]: Without dead ends: 1404 [2022-11-16 11:09:00,083 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 264 GetRequests, 254 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=53, Invalid=79, Unknown=0, NotChecked=0, Total=132 [2022-11-16 11:09:00,087 INFO L413 NwaCegarLoop]: 1949 mSDtfsCounter, 11 mSDsluCounter, 9726 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 11675 SdHoareTripleChecker+Invalid, 63 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-16 11:09:00,087 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 11675 Invalid, 63 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-16 11:09:00,092 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1404 states. [2022-11-16 11:09:00,143 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1404 to 1404. [2022-11-16 11:09:00,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1404 states, 1002 states have (on average 1.3233532934131738) internal successors, (1326), 1007 states have internal predecessors, (1326), 320 states have call successors, (320), 82 states have call predecessors, (320), 81 states have return successors, (319), 319 states have call predecessors, (319), 319 states have call successors, (319) [2022-11-16 11:09:00,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1404 states to 1404 states and 1965 transitions. [2022-11-16 11:09:00,155 INFO L78 Accepts]: Start accepts. Automaton has 1404 states and 1965 transitions. Word has length 131 [2022-11-16 11:09:00,155 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:09:00,156 INFO L495 AbstractCegarLoop]: Abstraction has 1404 states and 1965 transitions. [2022-11-16 11:09:00,156 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.0) internal successors, (64), 8 states have internal predecessors, (64), 2 states have call successors, (25), 2 states have call predecessors, (25), 4 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-11-16 11:09:00,156 INFO L276 IsEmpty]: Start isEmpty. Operand 1404 states and 1965 transitions. [2022-11-16 11:09:00,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2022-11-16 11:09:00,161 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:09:00,161 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:09:00,211 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b14c2621-c493-4627-9f0a-0e7cad39a17b/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2022-11-16 11:09:00,384 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b14c2621-c493-4627-9f0a-0e7cad39a17b/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-16 11:09:00,385 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:09:00,385 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:09:00,385 INFO L85 PathProgramCache]: Analyzing trace with hash -1455337656, now seen corresponding path program 2 times [2022-11-16 11:09:00,390 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-16 11:09:00,390 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1277765416] [2022-11-16 11:09:00,390 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-16 11:09:00,391 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-16 11:09:00,391 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b14c2621-c493-4627-9f0a-0e7cad39a17b/bin/uautomizer-tPACEb0tL8/mathsat [2022-11-16 11:09:00,392 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b14c2621-c493-4627-9f0a-0e7cad39a17b/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-16 11:09:00,444 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b14c2621-c493-4627-9f0a-0e7cad39a17b/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-11-16 11:09:02,682 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-11-16 11:09:02,682 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-16 11:09:02,762 INFO L263 TraceCheckSpWp]: Trace formula consists of 3867 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-16 11:09:02,768 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 11:09:03,588 INFO L134 CoverageAnalysis]: Checked inductivity of 374 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 374 trivial. 0 not checked. [2022-11-16 11:09:03,589 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-16 11:09:03,589 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-16 11:09:03,589 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1277765416] [2022-11-16 11:09:03,589 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1277765416] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:09:03,589 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:09:03,590 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 11:09:03,590 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [72541638] [2022-11-16 11:09:03,590 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:09:03,591 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 11:09:03,591 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-16 11:09:03,591 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 11:09:03,592 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:09:03,592 INFO L87 Difference]: Start difference. First operand 1404 states and 1965 transitions. Second operand has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 2 states have internal predecessors, (52), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2022-11-16 11:09:03,673 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:09:03,674 INFO L93 Difference]: Finished difference Result 1474 states and 2039 transitions. [2022-11-16 11:09:03,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 11:09:03,674 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 2 states have internal predecessors, (52), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 134 [2022-11-16 11:09:03,675 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:09:03,683 INFO L225 Difference]: With dead ends: 1474 [2022-11-16 11:09:03,685 INFO L226 Difference]: Without dead ends: 1471 [2022-11-16 11:09:03,689 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 132 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:09:03,690 INFO L413 NwaCegarLoop]: 1978 mSDtfsCounter, 1741 mSDsluCounter, 190 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1741 SdHoareTripleChecker+Valid, 2168 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 [2022-11-16 11:09:03,690 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1741 Valid, 2168 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-16 11:09:03,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1471 states. [2022-11-16 11:09:03,748 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1471 to 1471. [2022-11-16 11:09:03,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1471 states, 1047 states have (on average 1.3170964660936009) internal successors, (1379), 1052 states have internal predecessors, (1379), 329 states have call successors, (329), 95 states have call predecessors, (329), 94 states have return successors, (328), 328 states have call predecessors, (328), 328 states have call successors, (328) [2022-11-16 11:09:03,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1471 states to 1471 states and 2036 transitions. [2022-11-16 11:09:03,761 INFO L78 Accepts]: Start accepts. Automaton has 1471 states and 2036 transitions. Word has length 134 [2022-11-16 11:09:03,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:09:03,767 INFO L495 AbstractCegarLoop]: Abstraction has 1471 states and 2036 transitions. [2022-11-16 11:09:03,767 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 2 states have internal predecessors, (52), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2022-11-16 11:09:03,767 INFO L276 IsEmpty]: Start isEmpty. Operand 1471 states and 2036 transitions. [2022-11-16 11:09:03,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2022-11-16 11:09:03,771 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:09:03,772 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:09:03,823 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b14c2621-c493-4627-9f0a-0e7cad39a17b/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-11-16 11:09:03,995 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b14c2621-c493-4627-9f0a-0e7cad39a17b/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-16 11:09:03,995 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:09:03,996 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:09:03,996 INFO L85 PathProgramCache]: Analyzing trace with hash 1902671209, now seen corresponding path program 1 times [2022-11-16 11:09:03,999 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-16 11:09:03,999 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [455805619] [2022-11-16 11:09:04,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:09:04,000 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-16 11:09:04,000 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b14c2621-c493-4627-9f0a-0e7cad39a17b/bin/uautomizer-tPACEb0tL8/mathsat [2022-11-16 11:09:04,001 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b14c2621-c493-4627-9f0a-0e7cad39a17b/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-16 11:09:04,002 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b14c2621-c493-4627-9f0a-0e7cad39a17b/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-11-16 11:09:07,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:09:07,387 INFO L263 TraceCheckSpWp]: Trace formula consists of 4696 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-16 11:09:07,392 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 11:09:07,451 INFO L134 CoverageAnalysis]: Checked inductivity of 374 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 374 trivial. 0 not checked. [2022-11-16 11:09:07,451 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-16 11:09:07,451 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-16 11:09:07,451 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [455805619] [2022-11-16 11:09:07,452 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [455805619] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:09:07,452 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:09:07,452 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-16 11:09:07,452 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1413402155] [2022-11-16 11:09:07,452 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:09:07,453 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 11:09:07,453 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-16 11:09:07,453 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 11:09:07,453 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:09:07,453 INFO L87 Difference]: Start difference. First operand 1471 states and 2036 transitions. Second operand has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-11-16 11:09:10,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:09:10,226 INFO L93 Difference]: Finished difference Result 3890 states and 5348 transitions. [2022-11-16 11:09:10,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 11:09:10,227 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 134 [2022-11-16 11:09:10,228 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:09:10,242 INFO L225 Difference]: With dead ends: 3890 [2022-11-16 11:09:10,242 INFO L226 Difference]: Without dead ends: 2460 [2022-11-16 11:09:10,248 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 132 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:09:10,250 INFO L413 NwaCegarLoop]: 2177 mSDtfsCounter, 1307 mSDsluCounter, 1821 mSDsCounter, 0 mSdLazyCounter, 84 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1307 SdHoareTripleChecker+Valid, 3998 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 84 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2022-11-16 11:09:10,252 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1307 Valid, 3998 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 84 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2022-11-16 11:09:10,259 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2460 states. [2022-11-16 11:09:10,371 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2460 to 2455. [2022-11-16 11:09:10,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2455 states, 1738 states have (on average 1.3049482163406214) internal successors, (2268), 1748 states have internal predecessors, (2268), 549 states have call successors, (549), 168 states have call predecessors, (549), 167 states have return successors, (548), 547 states have call predecessors, (548), 548 states have call successors, (548) [2022-11-16 11:09:10,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2455 states to 2455 states and 3365 transitions. [2022-11-16 11:09:10,392 INFO L78 Accepts]: Start accepts. Automaton has 2455 states and 3365 transitions. Word has length 134 [2022-11-16 11:09:10,394 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:09:10,394 INFO L495 AbstractCegarLoop]: Abstraction has 2455 states and 3365 transitions. [2022-11-16 11:09:10,394 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-11-16 11:09:10,394 INFO L276 IsEmpty]: Start isEmpty. Operand 2455 states and 3365 transitions. [2022-11-16 11:09:10,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2022-11-16 11:09:10,398 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:09:10,398 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 4, 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] [2022-11-16 11:09:10,464 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b14c2621-c493-4627-9f0a-0e7cad39a17b/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-11-16 11:09:10,617 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b14c2621-c493-4627-9f0a-0e7cad39a17b/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-16 11:09:10,617 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:09:10,618 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:09:10,618 INFO L85 PathProgramCache]: Analyzing trace with hash 732528354, now seen corresponding path program 1 times [2022-11-16 11:09:10,624 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-16 11:09:10,624 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1031790600] [2022-11-16 11:09:10,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:09:10,624 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-16 11:09:10,625 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b14c2621-c493-4627-9f0a-0e7cad39a17b/bin/uautomizer-tPACEb0tL8/mathsat [2022-11-16 11:09:10,626 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b14c2621-c493-4627-9f0a-0e7cad39a17b/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-16 11:09:10,675 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b14c2621-c493-4627-9f0a-0e7cad39a17b/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-11-16 11:09:13,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:09:13,205 INFO L263 TraceCheckSpWp]: Trace formula consists of 4181 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-16 11:09:13,210 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 11:09:13,284 INFO L134 CoverageAnalysis]: Checked inductivity of 381 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 381 trivial. 0 not checked. [2022-11-16 11:09:13,284 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-16 11:09:13,284 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-16 11:09:13,284 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1031790600] [2022-11-16 11:09:13,284 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1031790600] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:09:13,284 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:09:13,285 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-16 11:09:13,285 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1172958871] [2022-11-16 11:09:13,285 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:09:13,285 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 11:09:13,286 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-16 11:09:13,286 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 11:09:13,286 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:09:13,286 INFO L87 Difference]: Start difference. First operand 2455 states and 3365 transitions. Second operand has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-11-16 11:09:14,439 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:09:14,440 INFO L93 Difference]: Finished difference Result 5995 states and 8196 transitions. [2022-11-16 11:09:14,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 11:09:14,440 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 152 [2022-11-16 11:09:14,441 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:09:14,461 INFO L225 Difference]: With dead ends: 5995 [2022-11-16 11:09:14,461 INFO L226 Difference]: Without dead ends: 3579 [2022-11-16 11:09:14,470 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 150 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:09:14,471 INFO L413 NwaCegarLoop]: 2133 mSDtfsCounter, 1125 mSDsluCounter, 1884 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1125 SdHoareTripleChecker+Valid, 4017 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-11-16 11:09:14,472 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1125 Valid, 4017 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-11-16 11:09:14,477 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3579 states. [2022-11-16 11:09:14,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3579 to 3574. [2022-11-16 11:09:14,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3574 states, 2555 states have (on average 1.3107632093933463) internal successors, (3349), 2568 states have internal predecessors, (3349), 766 states have call successors, (766), 253 states have call predecessors, (766), 252 states have return successors, (765), 763 states have call predecessors, (765), 765 states have call successors, (765) [2022-11-16 11:09:14,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3574 states to 3574 states and 4880 transitions. [2022-11-16 11:09:14,673 INFO L78 Accepts]: Start accepts. Automaton has 3574 states and 4880 transitions. Word has length 152 [2022-11-16 11:09:14,674 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:09:14,674 INFO L495 AbstractCegarLoop]: Abstraction has 3574 states and 4880 transitions. [2022-11-16 11:09:14,674 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-11-16 11:09:14,675 INFO L276 IsEmpty]: Start isEmpty. Operand 3574 states and 4880 transitions. [2022-11-16 11:09:14,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2022-11-16 11:09:14,683 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:09:14,683 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 4, 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] [2022-11-16 11:09:14,745 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b14c2621-c493-4627-9f0a-0e7cad39a17b/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-11-16 11:09:14,896 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b14c2621-c493-4627-9f0a-0e7cad39a17b/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-16 11:09:14,896 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:09:14,896 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:09:14,896 INFO L85 PathProgramCache]: Analyzing trace with hash 1792689668, now seen corresponding path program 1 times [2022-11-16 11:09:14,901 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-16 11:09:14,901 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2066850513] [2022-11-16 11:09:14,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:09:14,902 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-16 11:09:14,905 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b14c2621-c493-4627-9f0a-0e7cad39a17b/bin/uautomizer-tPACEb0tL8/mathsat [2022-11-16 11:09:14,906 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b14c2621-c493-4627-9f0a-0e7cad39a17b/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-16 11:09:14,950 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b14c2621-c493-4627-9f0a-0e7cad39a17b/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-11-16 11:09:18,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:09:18,278 INFO L263 TraceCheckSpWp]: Trace formula consists of 4834 conjuncts, 23 conjunts are in the unsatisfiable core [2022-11-16 11:09:18,285 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 11:09:19,308 INFO L134 CoverageAnalysis]: Checked inductivity of 558 backedges. 172 proven. 0 refuted. 0 times theorem prover too weak. 386 trivial. 0 not checked. [2022-11-16 11:09:19,309 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-16 11:09:19,309 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-16 11:09:19,309 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2066850513] [2022-11-16 11:09:19,309 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2066850513] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:09:19,309 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:09:19,310 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-11-16 11:09:19,310 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2020022389] [2022-11-16 11:09:19,310 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:09:19,310 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-16 11:09:19,311 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-16 11:09:19,311 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-16 11:09:19,311 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2022-11-16 11:09:19,312 INFO L87 Difference]: Start difference. First operand 3574 states and 4880 transitions. Second operand has 12 states, 10 states have (on average 8.9) internal successors, (89), 9 states have internal predecessors, (89), 4 states have call successors, (26), 2 states have call predecessors, (26), 5 states have return successors, (23), 5 states have call predecessors, (23), 4 states have call successors, (23) [2022-11-16 11:09:24,821 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:09:24,821 INFO L93 Difference]: Finished difference Result 10519 states and 15066 transitions. [2022-11-16 11:09:24,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-16 11:09:24,823 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 10 states have (on average 8.9) internal successors, (89), 9 states have internal predecessors, (89), 4 states have call successors, (26), 2 states have call predecessors, (26), 5 states have return successors, (23), 5 states have call predecessors, (23), 4 states have call successors, (23) Word has length 186 [2022-11-16 11:09:24,823 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:09:24,872 INFO L225 Difference]: With dead ends: 10519 [2022-11-16 11:09:24,872 INFO L226 Difference]: Without dead ends: 6986 [2022-11-16 11:09:24,886 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 191 GetRequests, 176 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=45, Invalid=227, Unknown=0, NotChecked=0, Total=272 [2022-11-16 11:09:24,887 INFO L413 NwaCegarLoop]: 2442 mSDtfsCounter, 2848 mSDsluCounter, 24007 mSDsCounter, 0 mSdLazyCounter, 819 mSolverCounterSat, 552 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3032 SdHoareTripleChecker+Valid, 26449 SdHoareTripleChecker+Invalid, 1371 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 552 IncrementalHoareTripleChecker+Valid, 819 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2022-11-16 11:09:24,887 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3032 Valid, 26449 Invalid, 1371 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [552 Valid, 819 Invalid, 0 Unknown, 0 Unchecked, 4.3s Time] [2022-11-16 11:09:24,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6986 states. [2022-11-16 11:09:25,400 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6986 to 3602. [2022-11-16 11:09:25,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3602 states, 2575 states have (on average 1.3083495145631068) internal successors, (3369), 2588 states have internal predecessors, (3369), 770 states have call successors, (770), 253 states have call predecessors, (770), 256 states have return successors, (791), 771 states have call predecessors, (791), 769 states have call successors, (791) [2022-11-16 11:09:25,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3602 states to 3602 states and 4930 transitions. [2022-11-16 11:09:25,430 INFO L78 Accepts]: Start accepts. Automaton has 3602 states and 4930 transitions. Word has length 186 [2022-11-16 11:09:25,430 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:09:25,431 INFO L495 AbstractCegarLoop]: Abstraction has 3602 states and 4930 transitions. [2022-11-16 11:09:25,431 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 10 states have (on average 8.9) internal successors, (89), 9 states have internal predecessors, (89), 4 states have call successors, (26), 2 states have call predecessors, (26), 5 states have return successors, (23), 5 states have call predecessors, (23), 4 states have call successors, (23) [2022-11-16 11:09:25,431 INFO L276 IsEmpty]: Start isEmpty. Operand 3602 states and 4930 transitions. [2022-11-16 11:09:25,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2022-11-16 11:09:25,441 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:09:25,441 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 4, 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] [2022-11-16 11:09:25,510 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b14c2621-c493-4627-9f0a-0e7cad39a17b/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2022-11-16 11:09:25,663 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b14c2621-c493-4627-9f0a-0e7cad39a17b/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-16 11:09:25,663 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:09:25,664 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:09:25,664 INFO L85 PathProgramCache]: Analyzing trace with hash 1375293062, now seen corresponding path program 1 times [2022-11-16 11:09:25,670 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-16 11:09:25,670 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [578978493] [2022-11-16 11:09:25,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:09:25,670 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-16 11:09:25,671 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b14c2621-c493-4627-9f0a-0e7cad39a17b/bin/uautomizer-tPACEb0tL8/mathsat [2022-11-16 11:09:25,672 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b14c2621-c493-4627-9f0a-0e7cad39a17b/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-16 11:09:25,673 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b14c2621-c493-4627-9f0a-0e7cad39a17b/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2022-11-16 11:09:28,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:09:29,000 INFO L263 TraceCheckSpWp]: Trace formula consists of 4834 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-16 11:09:29,008 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 11:09:29,186 INFO L134 CoverageAnalysis]: Checked inductivity of 558 backedges. 172 proven. 0 refuted. 0 times theorem prover too weak. 386 trivial. 0 not checked. [2022-11-16 11:09:29,187 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-16 11:09:29,187 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-16 11:09:29,187 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [578978493] [2022-11-16 11:09:29,188 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [578978493] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:09:29,188 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:09:29,188 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-16 11:09:29,188 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [811748612] [2022-11-16 11:09:29,189 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:09:29,189 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-16 11:09:29,189 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-16 11:09:29,190 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-16 11:09:29,190 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-16 11:09:29,191 INFO L87 Difference]: Start difference. First operand 3602 states and 4930 transitions. Second operand has 4 states, 4 states have (on average 22.25) internal successors, (89), 4 states have internal predecessors, (89), 3 states have call successors, (26), 3 states have call predecessors, (26), 3 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) [2022-11-16 11:09:29,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:09:29,931 INFO L93 Difference]: Finished difference Result 7175 states and 9820 transitions. [2022-11-16 11:09:29,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-16 11:09:29,932 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 22.25) internal successors, (89), 4 states have internal predecessors, (89), 3 states have call successors, (26), 3 states have call predecessors, (26), 3 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) Word has length 186 [2022-11-16 11:09:29,932 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:09:29,953 INFO L225 Difference]: With dead ends: 7175 [2022-11-16 11:09:29,953 INFO L226 Difference]: Without dead ends: 3602 [2022-11-16 11:09:29,970 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 186 GetRequests, 183 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-16 11:09:29,971 INFO L413 NwaCegarLoop]: 1951 mSDtfsCounter, 3 mSDsluCounter, 3895 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 5846 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-16 11:09:29,972 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 5846 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-16 11:09:29,979 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3602 states. [2022-11-16 11:09:30,268 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3602 to 3602. [2022-11-16 11:09:30,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3602 states, 2575 states have (on average 1.3067961165048543) internal successors, (3365), 2588 states have internal predecessors, (3365), 770 states have call successors, (770), 253 states have call predecessors, (770), 256 states have return successors, (791), 771 states have call predecessors, (791), 769 states have call successors, (791) [2022-11-16 11:09:30,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3602 states to 3602 states and 4926 transitions. [2022-11-16 11:09:30,304 INFO L78 Accepts]: Start accepts. Automaton has 3602 states and 4926 transitions. Word has length 186 [2022-11-16 11:09:30,305 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:09:30,305 INFO L495 AbstractCegarLoop]: Abstraction has 3602 states and 4926 transitions. [2022-11-16 11:09:30,306 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 22.25) internal successors, (89), 4 states have internal predecessors, (89), 3 states have call successors, (26), 3 states have call predecessors, (26), 3 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) [2022-11-16 11:09:30,307 INFO L276 IsEmpty]: Start isEmpty. Operand 3602 states and 4926 transitions. [2022-11-16 11:09:30,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2022-11-16 11:09:30,314 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:09:30,314 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 15, 4, 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] [2022-11-16 11:09:30,384 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b14c2621-c493-4627-9f0a-0e7cad39a17b/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Ended with exit code 0 [2022-11-16 11:09:30,539 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b14c2621-c493-4627-9f0a-0e7cad39a17b/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-16 11:09:30,539 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:09:30,540 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:09:30,540 INFO L85 PathProgramCache]: Analyzing trace with hash 984828833, now seen corresponding path program 1 times [2022-11-16 11:09:30,544 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-16 11:09:30,544 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1351652000] [2022-11-16 11:09:30,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:09:30,544 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-16 11:09:30,545 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b14c2621-c493-4627-9f0a-0e7cad39a17b/bin/uautomizer-tPACEb0tL8/mathsat [2022-11-16 11:09:30,545 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b14c2621-c493-4627-9f0a-0e7cad39a17b/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-16 11:09:30,547 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b14c2621-c493-4627-9f0a-0e7cad39a17b/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2022-11-16 11:09:34,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:09:34,738 INFO L263 TraceCheckSpWp]: Trace formula consists of 5554 conjuncts, 15 conjunts are in the unsatisfiable core [2022-11-16 11:09:34,742 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 11:09:35,129 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 374 trivial. 0 not checked. [2022-11-16 11:09:35,129 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-16 11:09:35,129 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-16 11:09:35,129 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1351652000] [2022-11-16 11:09:35,130 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1351652000] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:09:35,130 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:09:35,130 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-16 11:09:35,130 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1840358554] [2022-11-16 11:09:35,131 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:09:35,131 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-16 11:09:35,131 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-16 11:09:35,132 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-16 11:09:35,132 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-11-16 11:09:35,132 INFO L87 Difference]: Start difference. First operand 3602 states and 4926 transitions. Second operand has 8 states, 8 states have (on average 12.125) internal successors, (97), 7 states have internal predecessors, (97), 3 states have call successors, (26), 2 states have call predecessors, (26), 3 states have return successors, (23), 4 states have call predecessors, (23), 3 states have call successors, (23) [2022-11-16 11:09:38,295 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:09:39,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:09:39,069 INFO L93 Difference]: Finished difference Result 7500 states and 10228 transitions. [2022-11-16 11:09:39,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-16 11:09:39,070 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 12.125) internal successors, (97), 7 states have internal predecessors, (97), 3 states have call successors, (26), 2 states have call predecessors, (26), 3 states have return successors, (23), 4 states have call predecessors, (23), 3 states have call successors, (23) Word has length 188 [2022-11-16 11:09:39,070 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:09:39,092 INFO L225 Difference]: With dead ends: 7500 [2022-11-16 11:09:39,092 INFO L226 Difference]: Without dead ends: 3896 [2022-11-16 11:09:39,104 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 195 GetRequests, 181 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=57, Invalid=183, Unknown=0, NotChecked=0, Total=240 [2022-11-16 11:09:39,105 INFO L413 NwaCegarLoop]: 2007 mSDtfsCounter, 473 mSDsluCounter, 11907 mSDsCounter, 0 mSdLazyCounter, 56 mSolverCounterSat, 6 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 475 SdHoareTripleChecker+Valid, 13914 SdHoareTripleChecker+Invalid, 63 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 56 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2022-11-16 11:09:39,106 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [475 Valid, 13914 Invalid, 63 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 56 Invalid, 1 Unknown, 0 Unchecked, 2.9s Time] [2022-11-16 11:09:39,112 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3896 states. [2022-11-16 11:09:39,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3896 to 3889. [2022-11-16 11:09:39,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3889 states, 2779 states have (on average 1.3051457358762144) internal successors, (3627), 2798 states have internal predecessors, (3627), 824 states have call successors, (824), 281 states have call predecessors, (824), 285 states have return successors, (842), 820 states have call predecessors, (842), 823 states have call successors, (842) [2022-11-16 11:09:39,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3889 states to 3889 states and 5293 transitions. [2022-11-16 11:09:39,512 INFO L78 Accepts]: Start accepts. Automaton has 3889 states and 5293 transitions. Word has length 188 [2022-11-16 11:09:39,513 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:09:39,513 INFO L495 AbstractCegarLoop]: Abstraction has 3889 states and 5293 transitions. [2022-11-16 11:09:39,513 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 12.125) internal successors, (97), 7 states have internal predecessors, (97), 3 states have call successors, (26), 2 states have call predecessors, (26), 3 states have return successors, (23), 4 states have call predecessors, (23), 3 states have call successors, (23) [2022-11-16 11:09:39,514 INFO L276 IsEmpty]: Start isEmpty. Operand 3889 states and 5293 transitions. [2022-11-16 11:09:39,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2022-11-16 11:09:39,523 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:09:39,523 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 15, 4, 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] [2022-11-16 11:09:39,597 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b14c2621-c493-4627-9f0a-0e7cad39a17b/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2022-11-16 11:09:39,745 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b14c2621-c493-4627-9f0a-0e7cad39a17b/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-16 11:09:39,745 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:09:39,746 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:09:39,746 INFO L85 PathProgramCache]: Analyzing trace with hash 1796984657, now seen corresponding path program 1 times [2022-11-16 11:09:39,751 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-16 11:09:39,751 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [255292576] [2022-11-16 11:09:39,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:09:39,751 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-16 11:09:39,751 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b14c2621-c493-4627-9f0a-0e7cad39a17b/bin/uautomizer-tPACEb0tL8/mathsat [2022-11-16 11:09:39,752 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b14c2621-c493-4627-9f0a-0e7cad39a17b/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-16 11:09:39,753 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b14c2621-c493-4627-9f0a-0e7cad39a17b/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2022-11-16 11:09:43,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:09:43,872 INFO L263 TraceCheckSpWp]: Trace formula consists of 5631 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-16 11:09:43,877 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 11:09:43,987 INFO L134 CoverageAnalysis]: Checked inductivity of 454 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 449 trivial. 0 not checked. [2022-11-16 11:09:43,987 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-16 11:09:43,987 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-16 11:09:43,988 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [255292576] [2022-11-16 11:09:43,988 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [255292576] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:09:43,988 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:09:43,988 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-16 11:09:43,988 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1157440669] [2022-11-16 11:09:43,989 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:09:43,990 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-16 11:09:43,990 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-16 11:09:43,990 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-16 11:09:43,990 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-16 11:09:43,991 INFO L87 Difference]: Start difference. First operand 3889 states and 5293 transitions. Second operand has 4 states, 4 states have (on average 24.5) internal successors, (98), 4 states have internal predecessors, (98), 2 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2022-11-16 11:09:46,991 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:09:46,992 INFO L93 Difference]: Finished difference Result 9058 states and 12695 transitions. [2022-11-16 11:09:46,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-16 11:09:46,993 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 24.5) internal successors, (98), 4 states have internal predecessors, (98), 2 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 217 [2022-11-16 11:09:46,994 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:09:47,026 INFO L225 Difference]: With dead ends: 9058 [2022-11-16 11:09:47,027 INFO L226 Difference]: Without dead ends: 5517 [2022-11-16 11:09:47,040 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 218 GetRequests, 215 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-16 11:09:47,041 INFO L413 NwaCegarLoop]: 2813 mSDtfsCounter, 2820 mSDsluCounter, 2122 mSDsCounter, 0 mSdLazyCounter, 188 mSolverCounterSat, 179 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2820 SdHoareTripleChecker+Valid, 4935 SdHoareTripleChecker+Invalid, 367 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 179 IncrementalHoareTripleChecker+Valid, 188 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-11-16 11:09:47,041 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2820 Valid, 4935 Invalid, 367 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [179 Valid, 188 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2022-11-16 11:09:47,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5517 states. [2022-11-16 11:09:47,487 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5517 to 3893. [2022-11-16 11:09:47,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3893 states, 2783 states have (on average 1.304707150556953) internal successors, (3631), 2802 states have internal predecessors, (3631), 824 states have call successors, (824), 281 states have call predecessors, (824), 285 states have return successors, (842), 820 states have call predecessors, (842), 823 states have call successors, (842) [2022-11-16 11:09:47,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3893 states to 3893 states and 5297 transitions. [2022-11-16 11:09:47,507 INFO L78 Accepts]: Start accepts. Automaton has 3893 states and 5297 transitions. Word has length 217 [2022-11-16 11:09:47,512 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:09:47,512 INFO L495 AbstractCegarLoop]: Abstraction has 3893 states and 5297 transitions. [2022-11-16 11:09:47,512 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 24.5) internal successors, (98), 4 states have internal predecessors, (98), 2 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2022-11-16 11:09:47,512 INFO L276 IsEmpty]: Start isEmpty. Operand 3893 states and 5297 transitions. [2022-11-16 11:09:47,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2022-11-16 11:09:47,524 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:09:47,524 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 4, 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] [2022-11-16 11:09:47,583 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b14c2621-c493-4627-9f0a-0e7cad39a17b/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2022-11-16 11:09:47,747 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b14c2621-c493-4627-9f0a-0e7cad39a17b/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-16 11:09:47,747 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:09:47,748 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:09:47,748 INFO L85 PathProgramCache]: Analyzing trace with hash 1469010991, now seen corresponding path program 1 times [2022-11-16 11:09:47,753 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-16 11:09:47,753 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1066937671] [2022-11-16 11:09:47,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:09:47,754 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-16 11:09:47,754 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b14c2621-c493-4627-9f0a-0e7cad39a17b/bin/uautomizer-tPACEb0tL8/mathsat [2022-11-16 11:09:47,755 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b14c2621-c493-4627-9f0a-0e7cad39a17b/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-16 11:09:47,756 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b14c2621-c493-4627-9f0a-0e7cad39a17b/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2022-11-16 11:09:52,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:09:53,028 INFO L263 TraceCheckSpWp]: Trace formula consists of 6167 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-16 11:09:53,035 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 11:09:53,297 INFO L134 CoverageAnalysis]: Checked inductivity of 570 backedges. 172 proven. 0 refuted. 0 times theorem prover too weak. 398 trivial. 0 not checked. [2022-11-16 11:09:53,297 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-16 11:09:53,297 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-16 11:09:53,297 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1066937671] [2022-11-16 11:09:53,298 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1066937671] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:09:53,298 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:09:53,298 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-16 11:09:53,298 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [321914731] [2022-11-16 11:09:53,298 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:09:53,299 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-16 11:09:53,299 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-16 11:09:53,299 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-16 11:09:53,299 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-16 11:09:53,300 INFO L87 Difference]: Start difference. First operand 3893 states and 5297 transitions. Second operand has 5 states, 5 states have (on average 19.8) internal successors, (99), 5 states have internal predecessors, (99), 3 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2022-11-16 11:09:54,436 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:09:54,436 INFO L93 Difference]: Finished difference Result 7412 states and 10103 transitions. [2022-11-16 11:09:54,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-16 11:09:54,437 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 19.8) internal successors, (99), 5 states have internal predecessors, (99), 3 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) Word has length 214 [2022-11-16 11:09:54,437 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:09:54,464 INFO L225 Difference]: With dead ends: 7412 [2022-11-16 11:09:54,464 INFO L226 Difference]: Without dead ends: 3821 [2022-11-16 11:09:54,477 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 215 GetRequests, 210 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-16 11:09:54,478 INFO L413 NwaCegarLoop]: 1947 mSDtfsCounter, 8 mSDsluCounter, 5826 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 7773 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-16 11:09:54,479 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 7773 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-11-16 11:09:54,485 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3821 states. [2022-11-16 11:09:55,003 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3821 to 3807. [2022-11-16 11:09:55,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3807 states, 2723 states have (on average 1.307014322438487) internal successors, (3559), 2743 states have internal predecessors, (3559), 806 states have call successors, (806), 273 states have call predecessors, (806), 277 states have return successors, (824), 801 states have call predecessors, (824), 805 states have call successors, (824) [2022-11-16 11:09:55,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3807 states to 3807 states and 5189 transitions. [2022-11-16 11:09:55,024 INFO L78 Accepts]: Start accepts. Automaton has 3807 states and 5189 transitions. Word has length 214 [2022-11-16 11:09:55,025 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:09:55,025 INFO L495 AbstractCegarLoop]: Abstraction has 3807 states and 5189 transitions. [2022-11-16 11:09:55,025 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 19.8) internal successors, (99), 5 states have internal predecessors, (99), 3 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2022-11-16 11:09:55,025 INFO L276 IsEmpty]: Start isEmpty. Operand 3807 states and 5189 transitions. [2022-11-16 11:09:55,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2022-11-16 11:09:55,035 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:09:55,036 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 18, 4, 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] [2022-11-16 11:09:55,127 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b14c2621-c493-4627-9f0a-0e7cad39a17b/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2022-11-16 11:09:55,259 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b14c2621-c493-4627-9f0a-0e7cad39a17b/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-16 11:09:55,259 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:09:55,260 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:09:55,260 INFO L85 PathProgramCache]: Analyzing trace with hash -1930170700, now seen corresponding path program 1 times [2022-11-16 11:09:55,265 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-16 11:09:55,265 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1880311029] [2022-11-16 11:09:55,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:09:55,265 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-16 11:09:55,265 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b14c2621-c493-4627-9f0a-0e7cad39a17b/bin/uautomizer-tPACEb0tL8/mathsat [2022-11-16 11:09:55,266 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b14c2621-c493-4627-9f0a-0e7cad39a17b/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-16 11:09:55,267 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b14c2621-c493-4627-9f0a-0e7cad39a17b/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2022-11-16 11:10:00,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:10:00,539 INFO L263 TraceCheckSpWp]: Trace formula consists of 6209 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-16 11:10:00,546 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 11:10:00,956 INFO L134 CoverageAnalysis]: Checked inductivity of 638 backedges. 132 proven. 0 refuted. 0 times theorem prover too weak. 506 trivial. 0 not checked. [2022-11-16 11:10:00,957 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-16 11:10:00,957 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-16 11:10:00,957 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1880311029] [2022-11-16 11:10:00,957 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1880311029] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:10:00,957 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:10:00,957 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-16 11:10:00,957 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [391409794] [2022-11-16 11:10:00,957 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:10:00,958 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 11:10:00,958 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-16 11:10:00,958 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 11:10:00,958 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:10:00,959 INFO L87 Difference]: Start difference. First operand 3807 states and 5189 transitions. Second operand has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 3 states have call successors, (30), 3 states have call predecessors, (30), 3 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2022-11-16 11:10:03,292 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:10:03,292 INFO L93 Difference]: Finished difference Result 9231 states and 12631 transitions. [2022-11-16 11:10:03,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 11:10:03,294 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 3 states have call successors, (30), 3 states have call predecessors, (30), 3 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) Word has length 219 [2022-11-16 11:10:03,294 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:10:03,316 INFO L225 Difference]: With dead ends: 9231 [2022-11-16 11:10:03,316 INFO L226 Difference]: Without dead ends: 5772 [2022-11-16 11:10:03,329 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 218 GetRequests, 217 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:10:03,329 INFO L413 NwaCegarLoop]: 2754 mSDtfsCounter, 1737 mSDsluCounter, 1808 mSDsCounter, 0 mSdLazyCounter, 87 mSolverCounterSat, 53 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1737 SdHoareTripleChecker+Valid, 4562 SdHoareTripleChecker+Invalid, 140 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 87 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-11-16 11:10:03,330 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1737 Valid, 4562 Invalid, 140 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 87 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-11-16 11:10:03,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5772 states. [2022-11-16 11:10:03,924 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5772 to 5767. [2022-11-16 11:10:03,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5767 states, 4157 states have (on average 1.3052682222756795) internal successors, (5426), 4187 states have internal predecessors, (5426), 1192 states have call successors, (1192), 411 states have call predecessors, (1192), 417 states have return successors, (1219), 1185 states have call predecessors, (1219), 1191 states have call successors, (1219) [2022-11-16 11:10:03,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5767 states to 5767 states and 7837 transitions. [2022-11-16 11:10:03,952 INFO L78 Accepts]: Start accepts. Automaton has 5767 states and 7837 transitions. Word has length 219 [2022-11-16 11:10:03,952 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:10:03,952 INFO L495 AbstractCegarLoop]: Abstraction has 5767 states and 7837 transitions. [2022-11-16 11:10:03,953 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 3 states have call successors, (30), 3 states have call predecessors, (30), 3 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2022-11-16 11:10:03,953 INFO L276 IsEmpty]: Start isEmpty. Operand 5767 states and 7837 transitions. [2022-11-16 11:10:03,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2022-11-16 11:10:03,961 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:10:03,961 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 18, 4, 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] [2022-11-16 11:10:04,066 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b14c2621-c493-4627-9f0a-0e7cad39a17b/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Forceful destruction successful, exit code 0 [2022-11-16 11:10:04,175 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b14c2621-c493-4627-9f0a-0e7cad39a17b/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-16 11:10:04,176 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:10:04,176 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:10:04,176 INFO L85 PathProgramCache]: Analyzing trace with hash 1670601581, now seen corresponding path program 1 times [2022-11-16 11:10:04,182 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-16 11:10:04,182 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1295715234] [2022-11-16 11:10:04,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:10:04,182 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-16 11:10:04,182 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b14c2621-c493-4627-9f0a-0e7cad39a17b/bin/uautomizer-tPACEb0tL8/mathsat [2022-11-16 11:10:04,184 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b14c2621-c493-4627-9f0a-0e7cad39a17b/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-16 11:10:04,227 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b14c2621-c493-4627-9f0a-0e7cad39a17b/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2022-11-16 11:10:08,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:10:08,984 INFO L263 TraceCheckSpWp]: Trace formula consists of 5694 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-16 11:10:08,991 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 11:10:09,724 INFO L134 CoverageAnalysis]: Checked inductivity of 646 backedges. 229 proven. 0 refuted. 0 times theorem prover too weak. 417 trivial. 0 not checked. [2022-11-16 11:10:09,725 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-16 11:10:09,725 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-16 11:10:09,725 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1295715234] [2022-11-16 11:10:09,725 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1295715234] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:10:09,726 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:10:09,726 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-16 11:10:09,726 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [20763496] [2022-11-16 11:10:09,726 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:10:09,727 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 11:10:09,727 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-16 11:10:09,728 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 11:10:09,728 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:10:09,728 INFO L87 Difference]: Start difference. First operand 5767 states and 7837 transitions. Second operand has 3 states, 3 states have (on average 35.333333333333336) internal successors, (106), 3 states have internal predecessors, (106), 3 states have call successors, (34), 3 states have call predecessors, (34), 3 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) [2022-11-16 11:10:11,869 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:10:11,870 INFO L93 Difference]: Finished difference Result 13070 states and 17730 transitions. [2022-11-16 11:10:11,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 11:10:11,870 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 35.333333333333336) internal successors, (106), 3 states have internal predecessors, (106), 3 states have call successors, (34), 3 states have call predecessors, (34), 3 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) Word has length 237 [2022-11-16 11:10:11,871 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:10:11,899 INFO L225 Difference]: With dead ends: 13070 [2022-11-16 11:10:11,899 INFO L226 Difference]: Without dead ends: 7651 [2022-11-16 11:10:11,916 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 236 GetRequests, 235 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:10:11,916 INFO L413 NwaCegarLoop]: 2501 mSDtfsCounter, 1639 mSDsluCounter, 1355 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1639 SdHoareTripleChecker+Valid, 3856 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-11-16 11:10:11,917 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1639 Valid, 3856 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-11-16 11:10:11,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7651 states. [2022-11-16 11:10:12,666 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7651 to 7624. [2022-11-16 11:10:12,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7624 states, 5532 states have (on average 1.306760665220535) internal successors, (7229), 5571 states have internal predecessors, (7229), 1521 states have call successors, (1521), 561 states have call predecessors, (1521), 570 states have return successors, (1551), 1511 states have call predecessors, (1551), 1520 states have call successors, (1551) [2022-11-16 11:10:12,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7624 states to 7624 states and 10301 transitions. [2022-11-16 11:10:12,704 INFO L78 Accepts]: Start accepts. Automaton has 7624 states and 10301 transitions. Word has length 237 [2022-11-16 11:10:12,704 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:10:12,705 INFO L495 AbstractCegarLoop]: Abstraction has 7624 states and 10301 transitions. [2022-11-16 11:10:12,705 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 35.333333333333336) internal successors, (106), 3 states have internal predecessors, (106), 3 states have call successors, (34), 3 states have call predecessors, (34), 3 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) [2022-11-16 11:10:12,705 INFO L276 IsEmpty]: Start isEmpty. Operand 7624 states and 10301 transitions. [2022-11-16 11:10:12,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2022-11-16 11:10:12,718 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:10:12,719 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 18, 4, 3, 3, 3, 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, 1, 1, 1, 1] [2022-11-16 11:10:12,804 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b14c2621-c493-4627-9f0a-0e7cad39a17b/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (13)] Forceful destruction successful, exit code 0 [2022-11-16 11:10:12,939 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b14c2621-c493-4627-9f0a-0e7cad39a17b/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-16 11:10:12,940 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:10:12,940 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:10:12,940 INFO L85 PathProgramCache]: Analyzing trace with hash 1867583043, now seen corresponding path program 1 times [2022-11-16 11:10:12,946 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-16 11:10:12,946 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1203464428] [2022-11-16 11:10:12,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:10:12,946 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-16 11:10:12,946 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b14c2621-c493-4627-9f0a-0e7cad39a17b/bin/uautomizer-tPACEb0tL8/mathsat [2022-11-16 11:10:12,947 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b14c2621-c493-4627-9f0a-0e7cad39a17b/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-16 11:10:12,991 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b14c2621-c493-4627-9f0a-0e7cad39a17b/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2022-11-16 11:10:18,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:10:19,169 INFO L263 TraceCheckSpWp]: Trace formula consists of 6326 conjuncts, 10 conjunts are in the unsatisfiable core [2022-11-16 11:10:19,176 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 11:10:19,465 INFO L134 CoverageAnalysis]: Checked inductivity of 654 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 640 trivial. 0 not checked. [2022-11-16 11:10:19,466 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-16 11:10:19,466 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-16 11:10:19,466 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1203464428] [2022-11-16 11:10:19,466 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1203464428] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:10:19,466 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:10:19,467 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-16 11:10:19,467 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1808316673] [2022-11-16 11:10:19,467 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:10:19,470 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 11:10:19,471 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-16 11:10:19,471 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 11:10:19,471 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-16 11:10:19,472 INFO L87 Difference]: Start difference. First operand 7624 states and 10301 transitions. Second operand has 6 states, 5 states have (on average 23.0) internal successors, (115), 5 states have internal predecessors, (115), 3 states have call successors, (31), 2 states have call predecessors, (31), 3 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2022-11-16 11:10:23,614 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:10:23,614 INFO L93 Difference]: Finished difference Result 15993 states and 21797 transitions. [2022-11-16 11:10:23,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-16 11:10:23,615 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 23.0) internal successors, (115), 5 states have internal predecessors, (115), 3 states have call successors, (31), 2 states have call predecessors, (31), 3 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) Word has length 241 [2022-11-16 11:10:23,616 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:10:23,650 INFO L225 Difference]: With dead ends: 15993 [2022-11-16 11:10:23,650 INFO L226 Difference]: Without dead ends: 8717 [2022-11-16 11:10:23,667 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 241 GetRequests, 236 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-11-16 11:10:23,668 INFO L413 NwaCegarLoop]: 2650 mSDtfsCounter, 705 mSDsluCounter, 9800 mSDsCounter, 0 mSdLazyCounter, 263 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 884 SdHoareTripleChecker+Valid, 12450 SdHoareTripleChecker+Invalid, 263 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 263 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2022-11-16 11:10:23,668 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [884 Valid, 12450 Invalid, 263 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 263 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2022-11-16 11:10:23,678 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8717 states. [2022-11-16 11:10:24,408 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8717 to 7624. [2022-11-16 11:10:24,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7624 states, 5532 states have (on average 1.3062183658712943) internal successors, (7226), 5571 states have internal predecessors, (7226), 1521 states have call successors, (1521), 561 states have call predecessors, (1521), 570 states have return successors, (1551), 1511 states have call predecessors, (1551), 1520 states have call successors, (1551) [2022-11-16 11:10:24,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7624 states to 7624 states and 10298 transitions. [2022-11-16 11:10:24,442 INFO L78 Accepts]: Start accepts. Automaton has 7624 states and 10298 transitions. Word has length 241 [2022-11-16 11:10:24,443 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:10:24,443 INFO L495 AbstractCegarLoop]: Abstraction has 7624 states and 10298 transitions. [2022-11-16 11:10:24,443 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 23.0) internal successors, (115), 5 states have internal predecessors, (115), 3 states have call successors, (31), 2 states have call predecessors, (31), 3 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2022-11-16 11:10:24,443 INFO L276 IsEmpty]: Start isEmpty. Operand 7624 states and 10298 transitions. [2022-11-16 11:10:24,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2022-11-16 11:10:24,457 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:10:24,457 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 18, 4, 3, 3, 3, 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, 1, 1, 1, 1] [2022-11-16 11:10:24,562 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b14c2621-c493-4627-9f0a-0e7cad39a17b/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (14)] Forceful destruction successful, exit code 0 [2022-11-16 11:10:24,671 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b14c2621-c493-4627-9f0a-0e7cad39a17b/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-16 11:10:24,672 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:10:24,672 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:10:24,672 INFO L85 PathProgramCache]: Analyzing trace with hash 2115729537, now seen corresponding path program 1 times [2022-11-16 11:10:24,678 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-16 11:10:24,679 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1005561789] [2022-11-16 11:10:24,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:10:24,679 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-16 11:10:24,679 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b14c2621-c493-4627-9f0a-0e7cad39a17b/bin/uautomizer-tPACEb0tL8/mathsat [2022-11-16 11:10:24,680 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b14c2621-c493-4627-9f0a-0e7cad39a17b/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-16 11:10:24,715 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b14c2621-c493-4627-9f0a-0e7cad39a17b/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (15)] Waiting until timeout for monitored process [2022-11-16 11:10:30,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:10:30,916 INFO L263 TraceCheckSpWp]: Trace formula consists of 6326 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-16 11:10:30,923 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 11:10:31,130 INFO L134 CoverageAnalysis]: Checked inductivity of 654 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 654 trivial. 0 not checked. [2022-11-16 11:10:31,130 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-16 11:10:31,131 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-16 11:10:31,131 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1005561789] [2022-11-16 11:10:31,131 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1005561789] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:10:31,131 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:10:31,131 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-16 11:10:31,131 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [250293131] [2022-11-16 11:10:31,131 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:10:31,132 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-16 11:10:31,132 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-16 11:10:31,132 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-16 11:10:31,132 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-16 11:10:31,133 INFO L87 Difference]: Start difference. First operand 7624 states and 10298 transitions. Second operand has 5 states, 4 states have (on average 27.0) internal successors, (108), 4 states have internal predecessors, (108), 3 states have call successors, (31), 3 states have call predecessors, (31), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2022-11-16 11:10:31,808 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:10:31,808 INFO L93 Difference]: Finished difference Result 7639 states and 10312 transitions. [2022-11-16 11:10:31,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-16 11:10:31,809 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 27.0) internal successors, (108), 4 states have internal predecessors, (108), 3 states have call successors, (31), 3 states have call predecessors, (31), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) Word has length 241 [2022-11-16 11:10:31,810 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:10:31,838 INFO L225 Difference]: With dead ends: 7639 [2022-11-16 11:10:31,839 INFO L226 Difference]: Without dead ends: 7636 [2022-11-16 11:10:31,843 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 241 GetRequests, 237 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-16 11:10:31,844 INFO L413 NwaCegarLoop]: 1934 mSDtfsCounter, 11 mSDsluCounter, 5770 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 7704 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-16 11:10:31,845 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 7704 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-16 11:10:31,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7636 states. [2022-11-16 11:10:32,567 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7636 to 7636. [2022-11-16 11:10:32,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7636 states, 5541 states have (on average 1.3053600433134813) internal successors, (7233), 5580 states have internal predecessors, (7233), 1521 states have call successors, (1521), 564 states have call predecessors, (1521), 573 states have return successors, (1551), 1511 states have call predecessors, (1551), 1520 states have call successors, (1551) [2022-11-16 11:10:32,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7636 states to 7636 states and 10305 transitions. [2022-11-16 11:10:32,595 INFO L78 Accepts]: Start accepts. Automaton has 7636 states and 10305 transitions. Word has length 241 [2022-11-16 11:10:32,596 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:10:32,596 INFO L495 AbstractCegarLoop]: Abstraction has 7636 states and 10305 transitions. [2022-11-16 11:10:32,596 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 27.0) internal successors, (108), 4 states have internal predecessors, (108), 3 states have call successors, (31), 3 states have call predecessors, (31), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2022-11-16 11:10:32,596 INFO L276 IsEmpty]: Start isEmpty. Operand 7636 states and 10305 transitions. [2022-11-16 11:10:32,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2022-11-16 11:10:32,609 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:10:32,609 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 18, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:10:32,723 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b14c2621-c493-4627-9f0a-0e7cad39a17b/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (15)] Forceful destruction successful, exit code 0 [2022-11-16 11:10:32,831 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b14c2621-c493-4627-9f0a-0e7cad39a17b/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-16 11:10:32,832 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:10:32,832 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:10:32,832 INFO L85 PathProgramCache]: Analyzing trace with hash -1054418884, now seen corresponding path program 1 times [2022-11-16 11:10:32,838 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-16 11:10:32,838 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [498499526] [2022-11-16 11:10:32,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:10:32,839 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-16 11:10:32,839 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b14c2621-c493-4627-9f0a-0e7cad39a17b/bin/uautomizer-tPACEb0tL8/mathsat [2022-11-16 11:10:32,840 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b14c2621-c493-4627-9f0a-0e7cad39a17b/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-16 11:10:32,867 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b14c2621-c493-4627-9f0a-0e7cad39a17b/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (16)] Waiting until timeout for monitored process [2022-11-16 11:10:38,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:10:38,285 INFO L263 TraceCheckSpWp]: Trace formula consists of 5998 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-16 11:10:38,294 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 11:10:38,396 INFO L134 CoverageAnalysis]: Checked inductivity of 660 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 646 trivial. 0 not checked. [2022-11-16 11:10:38,396 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-16 11:10:38,396 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-16 11:10:38,396 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [498499526] [2022-11-16 11:10:38,397 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [498499526] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:10:38,398 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:10:38,398 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-16 11:10:38,398 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1961691166] [2022-11-16 11:10:38,398 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:10:38,399 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-16 11:10:38,399 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-16 11:10:38,399 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-16 11:10:38,400 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-16 11:10:38,400 INFO L87 Difference]: Start difference. First operand 7636 states and 10305 transitions. Second operand has 4 states, 4 states have (on average 28.75) internal successors, (115), 4 states have internal predecessors, (115), 2 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2022-11-16 11:10:42,533 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:10:42,533 INFO L93 Difference]: Finished difference Result 17989 states and 24361 transitions. [2022-11-16 11:10:42,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-16 11:10:42,534 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 28.75) internal successors, (115), 4 states have internal predecessors, (115), 2 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 255 [2022-11-16 11:10:42,535 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:10:42,563 INFO L225 Difference]: With dead ends: 17989 [2022-11-16 11:10:42,563 INFO L226 Difference]: Without dead ends: 10701 [2022-11-16 11:10:42,578 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 256 GetRequests, 253 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-16 11:10:42,579 INFO L413 NwaCegarLoop]: 3524 mSDtfsCounter, 1955 mSDsluCounter, 5063 mSDsCounter, 0 mSdLazyCounter, 105 mSolverCounterSat, 155 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1955 SdHoareTripleChecker+Valid, 8587 SdHoareTripleChecker+Invalid, 260 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 155 IncrementalHoareTripleChecker+Valid, 105 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2022-11-16 11:10:42,580 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1955 Valid, 8587 Invalid, 260 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [155 Valid, 105 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2022-11-16 11:10:42,589 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10701 states. [2022-11-16 11:10:43,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10701 to 7642. [2022-11-16 11:10:43,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7642 states, 5547 states have (on average 1.3050297458085451) internal successors, (7239), 5586 states have internal predecessors, (7239), 1521 states have call successors, (1521), 564 states have call predecessors, (1521), 573 states have return successors, (1551), 1511 states have call predecessors, (1551), 1520 states have call successors, (1551) [2022-11-16 11:10:43,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7642 states to 7642 states and 10311 transitions. [2022-11-16 11:10:43,571 INFO L78 Accepts]: Start accepts. Automaton has 7642 states and 10311 transitions. Word has length 255 [2022-11-16 11:10:43,572 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:10:43,573 INFO L495 AbstractCegarLoop]: Abstraction has 7642 states and 10311 transitions. [2022-11-16 11:10:43,573 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 28.75) internal successors, (115), 4 states have internal predecessors, (115), 2 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2022-11-16 11:10:43,573 INFO L276 IsEmpty]: Start isEmpty. Operand 7642 states and 10311 transitions. [2022-11-16 11:10:43,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 258 [2022-11-16 11:10:43,585 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:10:43,585 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 18, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:10:43,678 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b14c2621-c493-4627-9f0a-0e7cad39a17b/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (16)] Forceful destruction successful, exit code 0 [2022-11-16 11:10:43,810 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b14c2621-c493-4627-9f0a-0e7cad39a17b/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-16 11:10:43,810 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:10:43,811 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:10:43,811 INFO L85 PathProgramCache]: Analyzing trace with hash 1180150679, now seen corresponding path program 1 times [2022-11-16 11:10:43,816 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-16 11:10:43,817 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1251220326] [2022-11-16 11:10:43,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:10:43,817 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-16 11:10:43,817 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b14c2621-c493-4627-9f0a-0e7cad39a17b/bin/uautomizer-tPACEb0tL8/mathsat [2022-11-16 11:10:43,818 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b14c2621-c493-4627-9f0a-0e7cad39a17b/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-16 11:10:43,861 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b14c2621-c493-4627-9f0a-0e7cad39a17b/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (17)] Waiting until timeout for monitored process [2022-11-16 11:10:48,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:10:49,013 INFO L263 TraceCheckSpWp]: Trace formula consists of 6001 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-16 11:10:49,019 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 11:10:49,134 INFO L134 CoverageAnalysis]: Checked inductivity of 660 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 646 trivial. 0 not checked. [2022-11-16 11:10:49,135 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-16 11:10:49,135 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-16 11:10:49,135 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1251220326] [2022-11-16 11:10:49,135 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1251220326] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:10:49,135 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:10:49,135 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-16 11:10:49,136 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [731617123] [2022-11-16 11:10:49,136 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:10:49,136 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-16 11:10:49,136 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-16 11:10:49,137 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-16 11:10:49,137 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-16 11:10:49,137 INFO L87 Difference]: Start difference. First operand 7642 states and 10311 transitions. Second operand has 4 states, 4 states have (on average 29.25) internal successors, (117), 4 states have internal predecessors, (117), 2 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2022-11-16 11:10:53,561 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:10:53,561 INFO L93 Difference]: Finished difference Result 18004 states and 24376 transitions. [2022-11-16 11:10:53,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-16 11:10:53,563 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 29.25) internal successors, (117), 4 states have internal predecessors, (117), 2 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 257 [2022-11-16 11:10:53,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:10:53,582 INFO L225 Difference]: With dead ends: 18004 [2022-11-16 11:10:53,582 INFO L226 Difference]: Without dead ends: 10710 [2022-11-16 11:10:53,591 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 258 GetRequests, 255 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-16 11:10:53,592 INFO L413 NwaCegarLoop]: 3527 mSDtfsCounter, 1955 mSDsluCounter, 5063 mSDsCounter, 0 mSdLazyCounter, 105 mSolverCounterSat, 155 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1955 SdHoareTripleChecker+Valid, 8590 SdHoareTripleChecker+Invalid, 260 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 155 IncrementalHoareTripleChecker+Valid, 105 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2022-11-16 11:10:53,592 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1955 Valid, 8590 Invalid, 260 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [155 Valid, 105 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2022-11-16 11:10:53,601 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10710 states. [2022-11-16 11:10:54,582 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10710 to 7642. [2022-11-16 11:10:54,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7642 states, 5547 states have (on average 1.3050297458085451) internal successors, (7239), 5586 states have internal predecessors, (7239), 1521 states have call successors, (1521), 564 states have call predecessors, (1521), 573 states have return successors, (1551), 1511 states have call predecessors, (1551), 1520 states have call successors, (1551) [2022-11-16 11:10:54,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7642 states to 7642 states and 10311 transitions. [2022-11-16 11:10:54,602 INFO L78 Accepts]: Start accepts. Automaton has 7642 states and 10311 transitions. Word has length 257 [2022-11-16 11:10:54,603 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:10:54,603 INFO L495 AbstractCegarLoop]: Abstraction has 7642 states and 10311 transitions. [2022-11-16 11:10:54,603 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 29.25) internal successors, (117), 4 states have internal predecessors, (117), 2 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2022-11-16 11:10:54,603 INFO L276 IsEmpty]: Start isEmpty. Operand 7642 states and 10311 transitions. [2022-11-16 11:10:54,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 274 [2022-11-16 11:10:54,616 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:10:54,617 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 18, 4, 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] [2022-11-16 11:10:54,706 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b14c2621-c493-4627-9f0a-0e7cad39a17b/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (17)] Forceful destruction successful, exit code 0 [2022-11-16 11:10:54,839 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b14c2621-c493-4627-9f0a-0e7cad39a17b/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-16 11:10:54,840 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:10:54,840 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:10:54,840 INFO L85 PathProgramCache]: Analyzing trace with hash -495818438, now seen corresponding path program 1 times [2022-11-16 11:10:54,845 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-16 11:10:54,846 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1966072589] [2022-11-16 11:10:54,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:10:54,846 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-16 11:10:54,846 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b14c2621-c493-4627-9f0a-0e7cad39a17b/bin/uautomizer-tPACEb0tL8/mathsat [2022-11-16 11:10:54,847 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b14c2621-c493-4627-9f0a-0e7cad39a17b/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-16 11:10:54,890 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b14c2621-c493-4627-9f0a-0e7cad39a17b/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (18)] Waiting until timeout for monitored process [2022-11-16 11:11:00,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:11:01,066 INFO L263 TraceCheckSpWp]: Trace formula consists of 6060 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-16 11:11:01,073 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 11:11:01,136 INFO L134 CoverageAnalysis]: Checked inductivity of 661 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 641 trivial. 0 not checked. [2022-11-16 11:11:01,136 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-16 11:11:01,136 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-16 11:11:01,136 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1966072589] [2022-11-16 11:11:01,137 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1966072589] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:11:01,137 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:11:01,137 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-16 11:11:01,137 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [528710621] [2022-11-16 11:11:01,137 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:11:01,138 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 11:11:01,138 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-16 11:11:01,138 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 11:11:01,139 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:11:01,139 INFO L87 Difference]: Start difference. First operand 7642 states and 10311 transitions. Second operand has 3 states, 3 states have (on average 45.666666666666664) internal successors, (137), 3 states have internal predecessors, (137), 2 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2022-11-16 11:11:04,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:11:04,476 INFO L93 Difference]: Finished difference Result 17395 states and 23957 transitions. [2022-11-16 11:11:04,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 11:11:04,478 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 45.666666666666664) internal successors, (137), 3 states have internal predecessors, (137), 2 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 273 [2022-11-16 11:11:04,478 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:11:04,500 INFO L225 Difference]: With dead ends: 17395 [2022-11-16 11:11:04,500 INFO L226 Difference]: Without dead ends: 10101 [2022-11-16 11:11:04,514 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 272 GetRequests, 271 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:11:04,514 INFO L413 NwaCegarLoop]: 2518 mSDtfsCounter, 467 mSDsluCounter, 1989 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 581 SdHoareTripleChecker+Valid, 4507 SdHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-11-16 11:11:04,515 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [581 Valid, 4507 Invalid, 59 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2022-11-16 11:11:04,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10101 states. [2022-11-16 11:11:05,429 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10101 to 7651. [2022-11-16 11:11:05,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7651 states, 5556 states have (on average 1.304535637149028) internal successors, (7248), 5595 states have internal predecessors, (7248), 1521 states have call successors, (1521), 564 states have call predecessors, (1521), 573 states have return successors, (1551), 1511 states have call predecessors, (1551), 1520 states have call successors, (1551) [2022-11-16 11:11:05,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7651 states to 7651 states and 10320 transitions. [2022-11-16 11:11:05,453 INFO L78 Accepts]: Start accepts. Automaton has 7651 states and 10320 transitions. Word has length 273 [2022-11-16 11:11:05,453 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:11:05,454 INFO L495 AbstractCegarLoop]: Abstraction has 7651 states and 10320 transitions. [2022-11-16 11:11:05,454 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 45.666666666666664) internal successors, (137), 3 states have internal predecessors, (137), 2 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2022-11-16 11:11:05,454 INFO L276 IsEmpty]: Start isEmpty. Operand 7651 states and 10320 transitions. [2022-11-16 11:11:05,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 312 [2022-11-16 11:11:05,467 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:11:05,467 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 18, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:11:05,526 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b14c2621-c493-4627-9f0a-0e7cad39a17b/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (18)] Forceful destruction successful, exit code 0 [2022-11-16 11:11:05,670 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b14c2621-c493-4627-9f0a-0e7cad39a17b/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-16 11:11:05,671 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:11:05,671 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:11:05,671 INFO L85 PathProgramCache]: Analyzing trace with hash 1637050762, now seen corresponding path program 1 times [2022-11-16 11:11:05,677 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-16 11:11:05,678 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [605141930] [2022-11-16 11:11:05,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:11:05,678 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-16 11:11:05,678 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b14c2621-c493-4627-9f0a-0e7cad39a17b/bin/uautomizer-tPACEb0tL8/mathsat [2022-11-16 11:11:05,679 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b14c2621-c493-4627-9f0a-0e7cad39a17b/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-16 11:11:05,686 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b14c2621-c493-4627-9f0a-0e7cad39a17b/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (19)] Waiting until timeout for monitored process [2022-11-16 11:11:11,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:11:11,256 INFO L263 TraceCheckSpWp]: Trace formula consists of 6173 conjuncts, 29 conjunts are in the unsatisfiable core [2022-11-16 11:11:11,264 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 11:11:15,362 INFO L134 CoverageAnalysis]: Checked inductivity of 726 backedges. 247 proven. 9 refuted. 0 times theorem prover too weak. 470 trivial. 0 not checked. [2022-11-16 11:11:15,362 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 11:11:22,407 INFO L134 CoverageAnalysis]: Checked inductivity of 726 backedges. 63 proven. 9 refuted. 0 times theorem prover too weak. 654 trivial. 0 not checked. [2022-11-16 11:11:22,408 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-16 11:11:22,408 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [605141930] [2022-11-16 11:11:22,408 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [605141930] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-16 11:11:22,408 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-16 11:11:22,408 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 15] total 28 [2022-11-16 11:11:22,408 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [988692474] [2022-11-16 11:11:22,409 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-16 11:11:22,409 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2022-11-16 11:11:22,410 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-16 11:11:22,410 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2022-11-16 11:11:22,411 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=678, Unknown=0, NotChecked=0, Total=756 [2022-11-16 11:11:22,411 INFO L87 Difference]: Start difference. First operand 7651 states and 10320 transitions. Second operand has 28 states, 27 states have (on average 7.407407407407407) internal successors, (200), 20 states have internal predecessors, (200), 11 states have call successors, (57), 3 states have call predecessors, (57), 10 states have return successors, (58), 16 states have call predecessors, (58), 11 states have call successors, (58) [2022-11-16 11:11:28,857 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:11:31,059 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:12:04,274 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:12:10,297 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.00s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:12:17,044 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:13:01,124 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:14:07,866 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:14:07,867 INFO L93 Difference]: Finished difference Result 31965 states and 44864 transitions. [2022-11-16 11:14:07,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2022-11-16 11:14:07,869 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 27 states have (on average 7.407407407407407) internal successors, (200), 20 states have internal predecessors, (200), 11 states have call successors, (57), 3 states have call predecessors, (57), 10 states have return successors, (58), 16 states have call predecessors, (58), 11 states have call successors, (58) Word has length 311 [2022-11-16 11:14:07,869 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:14:07,950 INFO L225 Difference]: With dead ends: 31965 [2022-11-16 11:14:07,950 INFO L226 Difference]: Without dead ends: 24662 [2022-11-16 11:14:07,970 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 654 GetRequests, 600 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 550 ImplicationChecksByTransitivity, 13.3s TimeCoverageRelationStatistics Valid=359, Invalid=2721, Unknown=0, NotChecked=0, Total=3080 [2022-11-16 11:14:07,971 INFO L413 NwaCegarLoop]: 4087 mSDtfsCounter, 10034 mSDsluCounter, 66407 mSDsCounter, 0 mSdLazyCounter, 10680 mSolverCounterSat, 3528 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 146.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10368 SdHoareTripleChecker+Valid, 70494 SdHoareTripleChecker+Invalid, 14209 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.4s SdHoareTripleChecker+Time, 3528 IncrementalHoareTripleChecker+Valid, 10680 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 152.9s IncrementalHoareTripleChecker+Time [2022-11-16 11:14:07,971 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10368 Valid, 70494 Invalid, 14209 Unknown, 0 Unchecked, 0.4s Time], IncrementalHoareTripleChecker [3528 Valid, 10680 Invalid, 1 Unknown, 0 Unchecked, 152.9s Time] [2022-11-16 11:14:07,993 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24662 states. [2022-11-16 11:14:10,092 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24662 to 14999. [2022-11-16 11:14:10,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14999 states, 10902 states have (on average 1.3054485415520087) internal successors, (14232), 10981 states have internal predecessors, (14232), 2971 states have call successors, (2971), 1098 states have call predecessors, (2971), 1125 states have return successors, (3065), 2959 states have call predecessors, (3065), 2970 states have call successors, (3065) [2022-11-16 11:14:10,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14999 states to 14999 states and 20268 transitions. [2022-11-16 11:14:10,151 INFO L78 Accepts]: Start accepts. Automaton has 14999 states and 20268 transitions. Word has length 311 [2022-11-16 11:14:10,151 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:14:10,152 INFO L495 AbstractCegarLoop]: Abstraction has 14999 states and 20268 transitions. [2022-11-16 11:14:10,152 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 27 states have (on average 7.407407407407407) internal successors, (200), 20 states have internal predecessors, (200), 11 states have call successors, (57), 3 states have call predecessors, (57), 10 states have return successors, (58), 16 states have call predecessors, (58), 11 states have call successors, (58) [2022-11-16 11:14:10,152 INFO L276 IsEmpty]: Start isEmpty. Operand 14999 states and 20268 transitions. [2022-11-16 11:14:10,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 292 [2022-11-16 11:14:10,171 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:14:10,171 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 18, 4, 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] [2022-11-16 11:14:10,233 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b14c2621-c493-4627-9f0a-0e7cad39a17b/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (19)] Forceful destruction successful, exit code 0 [2022-11-16 11:14:10,378 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b14c2621-c493-4627-9f0a-0e7cad39a17b/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-16 11:14:10,379 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:14:10,379 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:14:10,379 INFO L85 PathProgramCache]: Analyzing trace with hash 150549037, now seen corresponding path program 2 times [2022-11-16 11:14:10,385 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-16 11:14:10,385 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [208702569] [2022-11-16 11:14:10,385 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-16 11:14:10,385 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-16 11:14:10,385 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b14c2621-c493-4627-9f0a-0e7cad39a17b/bin/uautomizer-tPACEb0tL8/mathsat [2022-11-16 11:14:10,386 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b14c2621-c493-4627-9f0a-0e7cad39a17b/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-16 11:14:10,388 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b14c2621-c493-4627-9f0a-0e7cad39a17b/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (20)] Waiting until timeout for monitored process [2022-11-16 11:14:13,484 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-11-16 11:14:13,485 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-16 11:14:13,554 INFO L263 TraceCheckSpWp]: Trace formula consists of 3802 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-16 11:14:13,558 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 11:14:13,785 INFO L134 CoverageAnalysis]: Checked inductivity of 683 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 683 trivial. 0 not checked. [2022-11-16 11:14:13,785 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-16 11:14:13,786 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-16 11:14:13,786 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [208702569] [2022-11-16 11:14:13,786 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [208702569] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:14:13,787 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:14:13,787 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-16 11:14:13,787 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1947195672] [2022-11-16 11:14:13,787 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:14:13,788 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-16 11:14:13,788 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-16 11:14:13,789 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-16 11:14:13,789 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-16 11:14:13,789 INFO L87 Difference]: Start difference. First operand 14999 states and 20268 transitions. Second operand has 5 states, 4 states have (on average 30.75) internal successors, (123), 4 states have internal predecessors, (123), 3 states have call successors, (39), 3 states have call predecessors, (39), 1 states have return successors, (36), 1 states have call predecessors, (36), 1 states have call successors, (36) [2022-11-16 11:14:15,513 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:14:15,513 INFO L93 Difference]: Finished difference Result 15050 states and 20330 transitions. [2022-11-16 11:14:15,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-16 11:14:15,514 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 30.75) internal successors, (123), 4 states have internal predecessors, (123), 3 states have call successors, (39), 3 states have call predecessors, (39), 1 states have return successors, (36), 1 states have call predecessors, (36), 1 states have call successors, (36) Word has length 291 [2022-11-16 11:14:15,514 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:14:15,554 INFO L225 Difference]: With dead ends: 15050 [2022-11-16 11:14:15,554 INFO L226 Difference]: Without dead ends: 15047 [2022-11-16 11:14:15,559 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 291 GetRequests, 287 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-16 11:14:15,559 INFO L413 NwaCegarLoop]: 1940 mSDtfsCounter, 16 mSDsluCounter, 5780 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 7720 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-16 11:14:15,559 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 7720 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-16 11:14:15,569 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15047 states. [2022-11-16 11:14:17,353 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15047 to 15023. [2022-11-16 11:14:17,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15023 states, 10920 states have (on average 1.304945054945055) internal successors, (14250), 10999 states have internal predecessors, (14250), 2971 states have call successors, (2971), 1104 states have call predecessors, (2971), 1131 states have return successors, (3065), 2959 states have call predecessors, (3065), 2970 states have call successors, (3065) [2022-11-16 11:14:17,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15023 states to 15023 states and 20286 transitions. [2022-11-16 11:14:17,399 INFO L78 Accepts]: Start accepts. Automaton has 15023 states and 20286 transitions. Word has length 291 [2022-11-16 11:14:17,399 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:14:17,400 INFO L495 AbstractCegarLoop]: Abstraction has 15023 states and 20286 transitions. [2022-11-16 11:14:17,400 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 30.75) internal successors, (123), 4 states have internal predecessors, (123), 3 states have call successors, (39), 3 states have call predecessors, (39), 1 states have return successors, (36), 1 states have call predecessors, (36), 1 states have call successors, (36) [2022-11-16 11:14:17,400 INFO L276 IsEmpty]: Start isEmpty. Operand 15023 states and 20286 transitions. [2022-11-16 11:14:17,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 315 [2022-11-16 11:14:17,425 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:14:17,426 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 18, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:14:17,468 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b14c2621-c493-4627-9f0a-0e7cad39a17b/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (20)] Forceful destruction successful, exit code 0 [2022-11-16 11:14:17,626 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b14c2621-c493-4627-9f0a-0e7cad39a17b/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-16 11:14:17,627 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:14:17,627 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:14:17,627 INFO L85 PathProgramCache]: Analyzing trace with hash -1854981513, now seen corresponding path program 1 times [2022-11-16 11:14:17,631 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-16 11:14:17,631 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [821687041] [2022-11-16 11:14:17,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:14:17,631 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-16 11:14:17,631 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b14c2621-c493-4627-9f0a-0e7cad39a17b/bin/uautomizer-tPACEb0tL8/mathsat [2022-11-16 11:14:17,632 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b14c2621-c493-4627-9f0a-0e7cad39a17b/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-16 11:14:17,634 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b14c2621-c493-4627-9f0a-0e7cad39a17b/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (21)] Waiting until timeout for monitored process [2022-11-16 11:14:23,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:14:23,546 INFO L263 TraceCheckSpWp]: Trace formula consists of 6185 conjuncts, 10 conjunts are in the unsatisfiable core [2022-11-16 11:14:23,553 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 11:14:23,827 INFO L134 CoverageAnalysis]: Checked inductivity of 690 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 660 trivial. 0 not checked. [2022-11-16 11:14:23,827 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-16 11:14:23,827 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-16 11:14:23,827 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [821687041] [2022-11-16 11:14:23,827 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [821687041] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:14:23,827 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:14:23,827 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-16 11:14:23,828 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2138001919] [2022-11-16 11:14:23,828 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:14:23,828 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 11:14:23,829 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-16 11:14:23,829 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 11:14:23,829 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-16 11:14:23,830 INFO L87 Difference]: Start difference. First operand 15023 states and 20286 transitions. Second operand has 6 states, 5 states have (on average 30.8) internal successors, (154), 5 states have internal predecessors, (154), 3 states have call successors, (43), 2 states have call predecessors, (43), 3 states have return successors, (38), 3 states have call predecessors, (38), 3 states have call successors, (38)