./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-validator-v0.6/linux-stable-5742d35-1-136_1a-drivers--usb--serial--ti_usb_3410_5052.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4e7fbc69 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa0afbb-5b8e-41f1-ba88-5702999c2324/bin/utaipan-Q6hlc19bkW/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa0afbb-5b8e-41f1-ba88-5702999c2324/bin/utaipan-Q6hlc19bkW/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa0afbb-5b8e-41f1-ba88-5702999c2324/bin/utaipan-Q6hlc19bkW/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa0afbb-5b8e-41f1-ba88-5702999c2324/bin/utaipan-Q6hlc19bkW/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-validator-v0.6/linux-stable-5742d35-1-136_1a-drivers--usb--serial--ti_usb_3410_5052.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa0afbb-5b8e-41f1-ba88-5702999c2324/bin/utaipan-Q6hlc19bkW/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa0afbb-5b8e-41f1-ba88-5702999c2324/bin/utaipan-Q6hlc19bkW --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 Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 4d5b4b32fa0da80203e2a18166964cfde265e42cc1a9ca2751016d17ee22d414 --- 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-4e7fbc6 [2022-11-23 15:40:03,425 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 15:40:03,429 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 15:40:03,477 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 15:40:03,479 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 15:40:03,484 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 15:40:03,487 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 15:40:03,489 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 15:40:03,491 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 15:40:03,492 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 15:40:03,494 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 15:40:03,495 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 15:40:03,496 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 15:40:03,497 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 15:40:03,499 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 15:40:03,500 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 15:40:03,503 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 15:40:03,506 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 15:40:03,507 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 15:40:03,509 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 15:40:03,515 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 15:40:03,518 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 15:40:03,520 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 15:40:03,522 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 15:40:03,529 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 15:40:03,534 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 15:40:03,535 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 15:40:03,536 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 15:40:03,538 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 15:40:03,539 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 15:40:03,541 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 15:40:03,542 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 15:40:03,544 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 15:40:03,546 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 15:40:03,547 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 15:40:03,549 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 15:40:03,550 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 15:40:03,550 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 15:40:03,550 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 15:40:03,553 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 15:40:03,554 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 15:40:03,555 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa0afbb-5b8e-41f1-ba88-5702999c2324/bin/utaipan-Q6hlc19bkW/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-23 15:40:03,593 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 15:40:03,594 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 15:40:03,595 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 15:40:03,595 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 15:40:03,610 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-23 15:40:03,611 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-23 15:40:03,611 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-23 15:40:03,612 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-23 15:40:03,612 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-23 15:40:03,612 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-23 15:40:03,614 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-23 15:40:03,614 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-23 15:40:03,614 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-23 15:40:03,615 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-23 15:40:03,615 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-23 15:40:03,615 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-23 15:40:03,616 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-23 15:40:03,616 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-23 15:40:03,617 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 15:40:03,617 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-23 15:40:03,618 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 15:40:03,618 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-23 15:40:03,619 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-23 15:40:03,619 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-23 15:40:03,619 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-23 15:40:03,619 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 15:40:03,620 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-23 15:40:03,621 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 15:40:03,621 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-23 15:40:03,621 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 15:40:03,622 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 15:40:03,622 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-23 15:40:03,623 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-23 15:40:03,623 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-23 15:40:03,623 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-23 15:40:03,624 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-23 15:40:03,624 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-23 15:40:03,624 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-23 15:40:03,625 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_2aa0afbb-5b8e-41f1-ba88-5702999c2324/bin/utaipan-Q6hlc19bkW/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa0afbb-5b8e-41f1-ba88-5702999c2324/bin/utaipan-Q6hlc19bkW Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4d5b4b32fa0da80203e2a18166964cfde265e42cc1a9ca2751016d17ee22d414 [2022-11-23 15:40:04,013 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 15:40:04,055 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 15:40:04,059 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 15:40:04,060 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 15:40:04,061 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 15:40:04,062 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa0afbb-5b8e-41f1-ba88-5702999c2324/bin/utaipan-Q6hlc19bkW/../../sv-benchmarks/c/ldv-validator-v0.6/linux-stable-5742d35-1-136_1a-drivers--usb--serial--ti_usb_3410_5052.ko-entry_point.cil.out.i [2022-11-23 15:40:07,231 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 15:40:07,912 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 15:40:07,913 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa0afbb-5b8e-41f1-ba88-5702999c2324/sv-benchmarks/c/ldv-validator-v0.6/linux-stable-5742d35-1-136_1a-drivers--usb--serial--ti_usb_3410_5052.ko-entry_point.cil.out.i [2022-11-23 15:40:07,966 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa0afbb-5b8e-41f1-ba88-5702999c2324/bin/utaipan-Q6hlc19bkW/data/5ddcfb455/fdcbc1c2c7674c4196f9c8d6d9b7e7c8/FLAGa8ccdb47b [2022-11-23 15:40:07,985 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa0afbb-5b8e-41f1-ba88-5702999c2324/bin/utaipan-Q6hlc19bkW/data/5ddcfb455/fdcbc1c2c7674c4196f9c8d6d9b7e7c8 [2022-11-23 15:40:07,990 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 15:40:07,993 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 15:40:07,997 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 15:40:07,997 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 15:40:08,001 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 15:40:08,003 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:40:07" (1/1) ... [2022-11-23 15:40:08,004 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@627305e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:08, skipping insertion in model container [2022-11-23 15:40:08,004 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:40:07" (1/1) ... [2022-11-23 15:40:08,015 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 15:40:08,148 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 15:40:09,393 WARN L237 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_2aa0afbb-5b8e-41f1-ba88-5702999c2324/sv-benchmarks/c/ldv-validator-v0.6/linux-stable-5742d35-1-136_1a-drivers--usb--serial--ti_usb_3410_5052.ko-entry_point.cil.out.i[110947,110960] [2022-11-23 15:40:10,063 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 15:40:10,118 INFO L203 MainTranslator]: Completed pre-run [2022-11-23 15:40:10,252 WARN L237 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_2aa0afbb-5b8e-41f1-ba88-5702999c2324/sv-benchmarks/c/ldv-validator-v0.6/linux-stable-5742d35-1-136_1a-drivers--usb--serial--ti_usb_3410_5052.ko-entry_point.cil.out.i[110947,110960] [2022-11-23 15:40:10,571 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 15:40:10,655 INFO L208 MainTranslator]: Completed translation [2022-11-23 15:40:10,656 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:10 WrapperNode [2022-11-23 15:40:10,656 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-23 15:40:10,658 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-23 15:40:10,658 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-23 15:40:10,658 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-23 15:40:10,667 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:10" (1/1) ... [2022-11-23 15:40:10,762 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:10" (1/1) ... [2022-11-23 15:40:10,977 INFO L138 Inliner]: procedures = 204, calls = 2337, calls flagged for inlining = 84, calls inlined = 84, statements flattened = 4962 [2022-11-23 15:40:10,977 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-23 15:40:10,978 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-23 15:40:10,979 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-23 15:40:10,979 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-23 15:40:11,044 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:10" (1/1) ... [2022-11-23 15:40:11,044 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:10" (1/1) ... [2022-11-23 15:40:11,091 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:10" (1/1) ... [2022-11-23 15:40:11,106 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:10" (1/1) ... [2022-11-23 15:40:11,244 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:10" (1/1) ... [2022-11-23 15:40:11,266 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:10" (1/1) ... [2022-11-23 15:40:11,308 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:10" (1/1) ... [2022-11-23 15:40:11,329 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:10" (1/1) ... [2022-11-23 15:40:11,360 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-23 15:40:11,361 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-23 15:40:11,362 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-23 15:40:11,362 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-23 15:40:11,363 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:10" (1/1) ... [2022-11-23 15:40:11,371 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 15:40:11,384 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa0afbb-5b8e-41f1-ba88-5702999c2324/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 15:40:11,400 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa0afbb-5b8e-41f1-ba88-5702999c2324/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-23 15:40:11,418 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa0afbb-5b8e-41f1-ba88-5702999c2324/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-23 15:40:11,463 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2022-11-23 15:40:11,463 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2022-11-23 15:40:11,463 INFO L130 BoogieDeclarations]: Found specification of procedure ti_bulk_in_callback [2022-11-23 15:40:11,464 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_bulk_in_callback [2022-11-23 15:40:11,464 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2022-11-23 15:40:11,464 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2022-11-23 15:40:11,464 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2022-11-23 15:40:11,464 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-23 15:40:11,465 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-23 15:40:11,465 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-23 15:40:11,465 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-23 15:40:11,465 INFO L130 BoogieDeclarations]: Found specification of procedure tty_kref_put [2022-11-23 15:40:11,465 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_kref_put [2022-11-23 15:40:11,466 INFO L130 BoogieDeclarations]: Found specification of procedure ti_throttle [2022-11-23 15:40:11,466 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_throttle [2022-11-23 15:40:11,466 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-11-23 15:40:11,466 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-11-23 15:40:11,466 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-23 15:40:11,467 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-23 15:40:11,467 INFO L130 BoogieDeclarations]: Found specification of procedure ti_bulk_out_callback [2022-11-23 15:40:11,467 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_bulk_out_callback [2022-11-23 15:40:11,467 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible_nested [2022-11-23 15:40:11,467 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible_nested [2022-11-23 15:40:11,467 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_serial_port_data [2022-11-23 15:40:11,468 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_serial_port_data [2022-11-23 15:40:11,469 INFO L130 BoogieDeclarations]: Found specification of procedure ti_set_mcr [2022-11-23 15:40:11,469 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_set_mcr [2022-11-23 15:40:11,470 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-11-23 15:40:11,470 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-11-23 15:40:11,471 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-23 15:40:11,471 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-23 15:40:11,471 INFO L130 BoogieDeclarations]: Found specification of procedure ti_startup [2022-11-23 15:40:11,471 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_startup [2022-11-23 15:40:11,471 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-23 15:40:11,472 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-23 15:40:11,472 INFO L130 BoogieDeclarations]: Found specification of procedure ti_ioctl [2022-11-23 15:40:11,472 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_ioctl [2022-11-23 15:40:11,472 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-23 15:40:11,473 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-23 15:40:11,473 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_detach_2 [2022-11-23 15:40:11,473 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_detach_2 [2022-11-23 15:40:11,473 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_detach_1 [2022-11-23 15:40:11,473 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_detach_1 [2022-11-23 15:40:11,474 INFO L130 BoogieDeclarations]: Found specification of procedure ti_tiocmget [2022-11-23 15:40:11,474 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_tiocmget [2022-11-23 15:40:11,474 INFO L130 BoogieDeclarations]: Found specification of procedure msleep_interruptible [2022-11-23 15:40:11,474 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep_interruptible [2022-11-23 15:40:11,474 INFO L130 BoogieDeclarations]: Found specification of procedure __kfifo_free [2022-11-23 15:40:11,475 INFO L138 BoogieDeclarations]: Found implementation of procedure __kfifo_free [2022-11-23 15:40:11,476 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_debug_data [2022-11-23 15:40:11,476 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_debug_data [2022-11-23 15:40:11,476 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-23 15:40:11,476 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-23 15:40:11,476 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-23 15:40:11,477 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_serial_data [2022-11-23 15:40:11,477 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_serial_data [2022-11-23 15:40:11,477 INFO L130 BoogieDeclarations]: Found specification of procedure ti_break [2022-11-23 15:40:11,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_break [2022-11-23 15:40:11,478 INFO L130 BoogieDeclarations]: Found specification of procedure __swab16s [2022-11-23 15:40:11,478 INFO L138 BoogieDeclarations]: Found implementation of procedure __swab16s [2022-11-23 15:40:11,479 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-23 15:40:11,479 INFO L130 BoogieDeclarations]: Found specification of procedure signal_pending [2022-11-23 15:40:11,479 INFO L138 BoogieDeclarations]: Found implementation of procedure signal_pending [2022-11-23 15:40:11,479 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-23 15:40:11,479 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-23 15:40:11,480 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-23 15:40:11,480 INFO L130 BoogieDeclarations]: Found specification of procedure ti_write [2022-11-23 15:40:11,480 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_write [2022-11-23 15:40:11,480 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-23 15:40:11,480 INFO L130 BoogieDeclarations]: Found specification of procedure ti_restart_read [2022-11-23 15:40:11,480 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_restart_read [2022-11-23 15:40:11,481 INFO L130 BoogieDeclarations]: Found specification of procedure trace_kmalloc [2022-11-23 15:40:11,482 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_kmalloc [2022-11-23 15:40:11,483 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2022-11-23 15:40:11,483 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2022-11-23 15:40:11,484 INFO L130 BoogieDeclarations]: Found specification of procedure ti_release [2022-11-23 15:40:11,484 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_release [2022-11-23 15:40:11,484 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_deregister [2022-11-23 15:40:11,484 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_deregister [2022-11-23 15:40:11,485 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-11-23 15:40:11,485 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-11-23 15:40:11,486 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_s_reg [2022-11-23 15:40:11,486 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_s_reg [2022-11-23 15:40:11,486 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-11-23 15:40:11,486 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-11-23 15:40:11,486 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2022-11-23 15:40:11,487 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2022-11-23 15:40:11,487 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-11-23 15:40:11,487 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-11-23 15:40:11,487 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-11-23 15:40:11,487 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-11-23 15:40:11,488 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_tty_get [2022-11-23 15:40:11,489 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_port_tty_get [2022-11-23 15:40:11,489 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-11-23 15:40:11,489 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-11-23 15:40:11,489 INFO L130 BoogieDeclarations]: Found specification of procedure usb_clear_halt [2022-11-23 15:40:11,490 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_clear_halt [2022-11-23 15:40:11,490 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-23 15:40:11,490 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-11-23 15:40:11,490 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-11-23 15:40:11,491 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2022-11-23 15:40:11,491 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2022-11-23 15:40:11,491 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-23 15:40:11,491 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-23 15:40:11,491 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_serial_port_data [2022-11-23 15:40:11,492 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_serial_port_data [2022-11-23 15:40:11,492 INFO L130 BoogieDeclarations]: Found specification of procedure ti_command_out_sync [2022-11-23 15:40:11,492 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_command_out_sync [2022-11-23 15:40:11,492 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2022-11-23 15:40:11,493 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2022-11-23 15:40:11,494 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2022-11-23 15:40:11,497 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2022-11-23 15:40:11,498 INFO L130 BoogieDeclarations]: Found specification of procedure ti_open [2022-11-23 15:40:11,498 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_open [2022-11-23 15:40:11,499 INFO L130 BoogieDeclarations]: Found specification of procedure ti_tiocmset [2022-11-23 15:40:11,500 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_tiocmset [2022-11-23 15:40:11,501 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-23 15:40:11,502 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-23 15:40:11,503 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-23 15:40:11,503 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2022-11-23 15:40:11,508 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2022-11-23 15:40:11,508 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_s_der [2022-11-23 15:40:11,508 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_s_der [2022-11-23 15:40:11,508 INFO L130 BoogieDeclarations]: Found specification of procedure ti_write_byte [2022-11-23 15:40:11,509 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_write_byte [2022-11-23 15:40:11,509 INFO L130 BoogieDeclarations]: Found specification of procedure ti_chars_in_buffer [2022-11-23 15:40:11,509 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_chars_in_buffer [2022-11-23 15:40:11,509 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-23 15:40:11,509 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-23 15:40:11,509 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2022-11-23 15:40:11,510 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2022-11-23 15:40:11,510 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_register [2022-11-23 15:40:11,510 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_register [2022-11-23 15:40:11,510 INFO L130 BoogieDeclarations]: Found specification of procedure ti_write_room [2022-11-23 15:40:11,510 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_write_room [2022-11-23 15:40:11,510 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-23 15:40:11,511 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_alloc_notrace [2022-11-23 15:40:11,511 INFO L130 BoogieDeclarations]: Found specification of procedure ti_interrupt_callback [2022-11-23 15:40:11,511 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_interrupt_callback [2022-11-23 15:40:11,511 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-23 15:40:11,511 INFO L130 BoogieDeclarations]: Found specification of procedure tty_wakeup [2022-11-23 15:40:11,511 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_wakeup [2022-11-23 15:40:11,512 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-23 15:40:11,512 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-23 15:40:11,512 INFO L130 BoogieDeclarations]: Found specification of procedure ti_close [2022-11-23 15:40:11,512 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_close [2022-11-23 15:40:11,512 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2022-11-23 15:40:11,512 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2022-11-23 15:40:11,513 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2022-11-23 15:40:11,513 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2022-11-23 15:40:11,513 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_sched_notrace [2022-11-23 15:40:11,513 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock_sched_notrace [2022-11-23 15:40:11,513 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2022-11-23 15:40:11,513 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2022-11-23 15:40:11,514 INFO L130 BoogieDeclarations]: Found specification of procedure ti_unthrottle [2022-11-23 15:40:11,514 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_unthrottle [2022-11-23 15:40:11,514 INFO L130 BoogieDeclarations]: Found specification of procedure request_firmware [2022-11-23 15:40:11,514 INFO L138 BoogieDeclarations]: Found implementation of procedure request_firmware [2022-11-23 15:40:11,514 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-11-23 15:40:11,514 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-11-23 15:40:11,514 INFO L130 BoogieDeclarations]: Found specification of procedure ti_send [2022-11-23 15:40:11,515 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_send [2022-11-23 15:40:11,515 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2022-11-23 15:40:11,515 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2022-11-23 15:40:11,516 INFO L130 BoogieDeclarations]: Found specification of procedure ti_drain [2022-11-23 15:40:11,516 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_drain [2022-11-23 15:40:11,516 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-23 15:40:11,516 INFO L130 BoogieDeclarations]: Found specification of procedure ti_set_termios [2022-11-23 15:40:11,516 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_set_termios [2022-11-23 15:40:11,516 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_serial_data [2022-11-23 15:40:11,517 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_serial_data [2022-11-23 15:40:11,517 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-23 15:40:11,517 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-23 15:40:12,347 INFO L235 CfgBuilder]: Building ICFG [2022-11-23 15:40:12,366 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-23 15:40:12,996 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-23 15:41:14,990 INFO L276 CfgBuilder]: Performing block encoding [2022-11-23 15:41:30,124 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-23 15:41:30,124 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-23 15:41:30,132 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:41:30 BoogieIcfgContainer [2022-11-23 15:41:30,132 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-23 15:41:30,135 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-23 15:41:30,135 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-23 15:41:30,140 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-23 15:41:30,142 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 03:40:07" (1/3) ... [2022-11-23 15:41:30,143 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@539c8c71 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:41:30, skipping insertion in model container [2022-11-23 15:41:30,143 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:10" (2/3) ... [2022-11-23 15:41:30,144 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@539c8c71 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:41:30, skipping insertion in model container [2022-11-23 15:41:30,144 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:41:30" (3/3) ... [2022-11-23 15:41:30,146 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-stable-5742d35-1-136_1a-drivers--usb--serial--ti_usb_3410_5052.ko-entry_point.cil.out.i [2022-11-23 15:41:30,168 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-23 15:41:30,168 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-23 15:41:30,283 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-23 15:41:30,291 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=FINITE_AUTOMATA, 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;@370a6f66, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-23 15:41:30,291 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-23 15:41:30,304 INFO L276 IsEmpty]: Start isEmpty. Operand has 1196 states, 770 states have (on average 1.4103896103896103) internal successors, (1086), 799 states have internal predecessors, (1086), 348 states have call successors, (348), 77 states have call predecessors, (348), 76 states have return successors, (343), 341 states have call predecessors, (343), 343 states have call successors, (343) [2022-11-23 15:41:30,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-11-23 15:41:30,320 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:41:30,321 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:41:30,322 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 15:41:30,330 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:41:30,330 INFO L85 PathProgramCache]: Analyzing trace with hash 1342606765, now seen corresponding path program 1 times [2022-11-23 15:41:30,342 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:41:30,342 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1988378534] [2022-11-23 15:41:30,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:41:30,344 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:41:30,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:41:31,539 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2022-11-23 15:41:31,540 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:41:31,540 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1988378534] [2022-11-23 15:41:31,541 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1988378534] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:41:31,541 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:41:31,542 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 15:41:31,543 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1353789494] [2022-11-23 15:41:31,544 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:41:31,549 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 15:41:31,550 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:41:31,581 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 15:41:31,582 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 15:41:31,587 INFO L87 Difference]: Start difference. First operand has 1196 states, 770 states have (on average 1.4103896103896103) internal successors, (1086), 799 states have internal predecessors, (1086), 348 states have call successors, (348), 77 states have call predecessors, (348), 76 states have return successors, (343), 341 states have call predecessors, (343), 343 states have call successors, (343) Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2022-11-23 15:41:33,706 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:41:37,966 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.18s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-23 15:41:41,492 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:41:41,492 INFO L93 Difference]: Finished difference Result 3446 states and 5246 transitions. [2022-11-23 15:41:41,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 15:41:41,495 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 41 [2022-11-23 15:41:41,495 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:41:41,534 INFO L225 Difference]: With dead ends: 3446 [2022-11-23 15:41:41,535 INFO L226 Difference]: Without dead ends: 2247 [2022-11-23 15:41:41,548 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 15:41:41,551 INFO L413 NwaCegarLoop]: 1857 mSDtfsCounter, 1650 mSDsluCounter, 1513 mSDsCounter, 0 mSdLazyCounter, 362 mSolverCounterSat, 3 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1658 SdHoareTripleChecker+Valid, 3370 SdHoareTripleChecker+Invalid, 367 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 362 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.5s IncrementalHoareTripleChecker+Time [2022-11-23 15:41:41,552 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1658 Valid, 3370 Invalid, 367 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 362 Invalid, 2 Unknown, 0 Unchecked, 9.5s Time] [2022-11-23 15:41:41,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2247 states. [2022-11-23 15:41:41,744 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2247 to 2242. [2022-11-23 15:41:41,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2242 states, 1455 states have (on average 1.4034364261168384) internal successors, (2042), 1494 states have internal predecessors, (2042), 643 states have call successors, (643), 144 states have call predecessors, (643), 143 states have return successors, (646), 633 states have call predecessors, (646), 638 states have call successors, (646) [2022-11-23 15:41:41,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2242 states to 2242 states and 3331 transitions. [2022-11-23 15:41:41,773 INFO L78 Accepts]: Start accepts. Automaton has 2242 states and 3331 transitions. Word has length 41 [2022-11-23 15:41:41,774 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:41:41,778 INFO L495 AbstractCegarLoop]: Abstraction has 2242 states and 3331 transitions. [2022-11-23 15:41:41,778 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2022-11-23 15:41:41,779 INFO L276 IsEmpty]: Start isEmpty. Operand 2242 states and 3331 transitions. [2022-11-23 15:41:41,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-11-23 15:41:41,795 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:41:41,795 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:41:41,796 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-23 15:41:41,796 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 15:41:41,796 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:41:41,797 INFO L85 PathProgramCache]: Analyzing trace with hash 1817838113, now seen corresponding path program 1 times [2022-11-23 15:41:41,798 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:41:41,799 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1054932656] [2022-11-23 15:41:41,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:41:41,799 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:41:42,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:41:42,414 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2022-11-23 15:41:42,415 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:41:42,415 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1054932656] [2022-11-23 15:41:42,415 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1054932656] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:41:42,415 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:41:42,416 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 15:41:42,416 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1701980901] [2022-11-23 15:41:42,416 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:41:42,418 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 15:41:42,418 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:41:42,418 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 15:41:42,419 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 15:41:42,419 INFO L87 Difference]: Start difference. First operand 2242 states and 3331 transitions. Second operand has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2022-11-23 15:41:44,507 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:41:50,178 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.24s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-23 15:41:53,156 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.51s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:41:53,864 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:41:53,864 INFO L93 Difference]: Finished difference Result 4452 states and 6627 transitions. [2022-11-23 15:41:53,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 15:41:53,865 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 58 [2022-11-23 15:41:53,866 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:41:53,902 INFO L225 Difference]: With dead ends: 4452 [2022-11-23 15:41:53,902 INFO L226 Difference]: Without dead ends: 4443 [2022-11-23 15:41:53,907 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 15:41:53,908 INFO L413 NwaCegarLoop]: 1882 mSDtfsCounter, 1682 mSDsluCounter, 1499 mSDsCounter, 0 mSdLazyCounter, 360 mSolverCounterSat, 4 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1690 SdHoareTripleChecker+Valid, 3381 SdHoareTripleChecker+Invalid, 366 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 360 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.2s IncrementalHoareTripleChecker+Time [2022-11-23 15:41:53,909 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1690 Valid, 3381 Invalid, 366 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 360 Invalid, 2 Unknown, 0 Unchecked, 11.2s Time] [2022-11-23 15:41:53,915 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4443 states. [2022-11-23 15:41:54,106 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4443 to 4440. [2022-11-23 15:41:54,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4440 states, 2887 states have (on average 1.4038794596466921) internal successors, (4053), 2962 states have internal predecessors, (4053), 1270 states have call successors, (1270), 285 states have call predecessors, (1270), 282 states have return successors, (1289), 1252 states have call predecessors, (1289), 1265 states have call successors, (1289) [2022-11-23 15:41:54,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4440 states to 4440 states and 6612 transitions. [2022-11-23 15:41:54,148 INFO L78 Accepts]: Start accepts. Automaton has 4440 states and 6612 transitions. Word has length 58 [2022-11-23 15:41:54,149 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:41:54,149 INFO L495 AbstractCegarLoop]: Abstraction has 4440 states and 6612 transitions. [2022-11-23 15:41:54,149 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2022-11-23 15:41:54,149 INFO L276 IsEmpty]: Start isEmpty. Operand 4440 states and 6612 transitions. [2022-11-23 15:41:54,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2022-11-23 15:41:54,157 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:41:54,157 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:41:54,157 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-23 15:41:54,158 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 15:41:54,168 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:41:54,168 INFO L85 PathProgramCache]: Analyzing trace with hash 517782879, now seen corresponding path program 1 times [2022-11-23 15:41:54,168 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:41:54,169 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1553097266] [2022-11-23 15:41:54,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:41:54,169 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:41:54,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:41:56,096 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2022-11-23 15:41:56,097 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:41:56,097 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1553097266] [2022-11-23 15:41:56,097 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1553097266] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:41:56,097 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:41:56,097 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-23 15:41:56,098 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1407463449] [2022-11-23 15:41:56,098 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:41:56,098 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-23 15:41:56,098 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:41:56,099 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-23 15:41:56,099 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2022-11-23 15:41:56,099 INFO L87 Difference]: Start difference. First operand 4440 states and 6612 transitions. Second operand has 9 states, 8 states have (on average 4.0) internal successors, (32), 7 states have internal predecessors, (32), 2 states have call successors, (8), 3 states have call predecessors, (8), 2 states have return successors, (7), 2 states have call predecessors, (7), 1 states have call successors, (7) [2022-11-23 15:41:58,195 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:42:06,519 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.26s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-23 15:42:08,598 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.73s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:42:25,752 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.87s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:42:30,331 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:42:30,332 INFO L93 Difference]: Finished difference Result 10409 states and 15589 transitions. [2022-11-23 15:42:30,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-23 15:42:30,332 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 4.0) internal successors, (32), 7 states have internal predecessors, (32), 2 states have call successors, (8), 3 states have call predecessors, (8), 2 states have return successors, (7), 2 states have call predecessors, (7), 1 states have call successors, (7) Word has length 59 [2022-11-23 15:42:30,333 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:42:30,380 INFO L225 Difference]: With dead ends: 10409 [2022-11-23 15:42:30,381 INFO L226 Difference]: Without dead ends: 5977 [2022-11-23 15:42:30,407 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=55, Invalid=127, Unknown=0, NotChecked=0, Total=182 [2022-11-23 15:42:30,408 INFO L413 NwaCegarLoop]: 622 mSDtfsCounter, 9973 mSDsluCounter, 1826 mSDsCounter, 0 mSdLazyCounter, 5813 mSolverCounterSat, 6315 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 31.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10222 SdHoareTripleChecker+Valid, 2448 SdHoareTripleChecker+Invalid, 12130 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 6315 IncrementalHoareTripleChecker+Valid, 5813 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 33.3s IncrementalHoareTripleChecker+Time [2022-11-23 15:42:30,408 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10222 Valid, 2448 Invalid, 12130 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [6315 Valid, 5813 Invalid, 2 Unknown, 0 Unchecked, 33.3s Time] [2022-11-23 15:42:30,416 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5977 states. [2022-11-23 15:42:30,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5977 to 5562. [2022-11-23 15:42:30,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5562 states, 3618 states have (on average 1.4038142620232172) internal successors, (5079), 3713 states have internal predecessors, (5079), 1588 states have call successors, (1588), 358 states have call predecessors, (1588), 355 states have return successors, (1620), 1565 states have call predecessors, (1620), 1580 states have call successors, (1620) [2022-11-23 15:42:30,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5562 states to 5562 states and 8287 transitions. [2022-11-23 15:42:30,776 INFO L78 Accepts]: Start accepts. Automaton has 5562 states and 8287 transitions. Word has length 59 [2022-11-23 15:42:30,779 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:42:30,779 INFO L495 AbstractCegarLoop]: Abstraction has 5562 states and 8287 transitions. [2022-11-23 15:42:30,779 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 4.0) internal successors, (32), 7 states have internal predecessors, (32), 2 states have call successors, (8), 3 states have call predecessors, (8), 2 states have return successors, (7), 2 states have call predecessors, (7), 1 states have call successors, (7) [2022-11-23 15:42:30,780 INFO L276 IsEmpty]: Start isEmpty. Operand 5562 states and 8287 transitions. [2022-11-23 15:42:30,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-11-23 15:42:30,784 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:42:30,785 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 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] [2022-11-23 15:42:30,785 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-23 15:42:30,785 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 15:42:30,786 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:42:30,786 INFO L85 PathProgramCache]: Analyzing trace with hash 1268106253, now seen corresponding path program 1 times [2022-11-23 15:42:30,786 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:42:30,786 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1345436200] [2022-11-23 15:42:30,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:42:30,787 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:42:31,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:42:33,017 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2022-11-23 15:42:33,018 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:42:33,018 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1345436200] [2022-11-23 15:42:33,018 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1345436200] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:42:33,018 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:42:33,018 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-23 15:42:33,018 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [564477941] [2022-11-23 15:42:33,019 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:42:33,019 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 15:42:33,019 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:42:33,020 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 15:42:33,020 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-23 15:42:33,020 INFO L87 Difference]: Start difference. First operand 5562 states and 8287 transitions. Second operand has 4 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2022-11-23 15:42:35,119 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:42:42,201 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.20s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-23 15:42:43,691 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:42:45,703 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:42:45,704 INFO L93 Difference]: Finished difference Result 6346 states and 9617 transitions. [2022-11-23 15:42:45,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-23 15:42:45,705 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 65 [2022-11-23 15:42:45,705 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:42:45,753 INFO L225 Difference]: With dead ends: 6346 [2022-11-23 15:42:45,754 INFO L226 Difference]: Without dead ends: 6343 [2022-11-23 15:42:45,761 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-23 15:42:45,766 INFO L413 NwaCegarLoop]: 1990 mSDtfsCounter, 3146 mSDsluCounter, 1806 mSDsCounter, 0 mSdLazyCounter, 611 mSolverCounterSat, 681 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3271 SdHoareTripleChecker+Valid, 3796 SdHoareTripleChecker+Invalid, 1294 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 681 IncrementalHoareTripleChecker+Valid, 611 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.3s IncrementalHoareTripleChecker+Time [2022-11-23 15:42:45,768 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3271 Valid, 3796 Invalid, 1294 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [681 Valid, 611 Invalid, 2 Unknown, 0 Unchecked, 12.3s Time] [2022-11-23 15:42:45,779 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6343 states. [2022-11-23 15:42:46,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6343 to 5564. [2022-11-23 15:42:46,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5564 states, 3619 states have (on average 1.4039789997236807) internal successors, (5081), 3715 states have internal predecessors, (5081), 1589 states have call successors, (1589), 358 states have call predecessors, (1589), 355 states have return successors, (1621), 1565 states have call predecessors, (1621), 1581 states have call successors, (1621) [2022-11-23 15:42:46,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5564 states to 5564 states and 8291 transitions. [2022-11-23 15:42:46,212 INFO L78 Accepts]: Start accepts. Automaton has 5564 states and 8291 transitions. Word has length 65 [2022-11-23 15:42:46,213 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:42:46,213 INFO L495 AbstractCegarLoop]: Abstraction has 5564 states and 8291 transitions. [2022-11-23 15:42:46,214 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2022-11-23 15:42:46,214 INFO L276 IsEmpty]: Start isEmpty. Operand 5564 states and 8291 transitions. [2022-11-23 15:42:46,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-11-23 15:42:46,220 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:42:46,221 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 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] [2022-11-23 15:42:46,221 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-23 15:42:46,221 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 15:42:46,221 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:42:46,222 INFO L85 PathProgramCache]: Analyzing trace with hash 653774873, now seen corresponding path program 1 times [2022-11-23 15:42:46,222 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:42:46,222 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [470274598] [2022-11-23 15:42:46,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:42:46,223 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:42:46,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:42:47,814 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2022-11-23 15:42:47,814 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:42:47,814 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [470274598] [2022-11-23 15:42:47,815 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [470274598] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:42:47,815 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:42:47,815 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-23 15:42:47,815 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1418193187] [2022-11-23 15:42:47,815 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:42:47,816 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-23 15:42:47,816 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:42:47,816 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-23 15:42:47,816 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-11-23 15:42:47,816 INFO L87 Difference]: Start difference. First operand 5564 states and 8291 transitions. Second operand has 6 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 3 states have call successors, (11), 3 states have call predecessors, (11), 2 states have return successors, (9), 2 states have call predecessors, (9), 1 states have call successors, (9) [2022-11-23 15:42:49,888 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:43:01,410 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.20s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-23 15:43:03,399 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.32s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:43:04,467 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:43:07,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:43:07,645 INFO L93 Difference]: Finished difference Result 6348 states and 9618 transitions. [2022-11-23 15:43:07,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-23 15:43:07,646 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 3 states have call successors, (11), 3 states have call predecessors, (11), 2 states have return successors, (9), 2 states have call predecessors, (9), 1 states have call successors, (9) Word has length 66 [2022-11-23 15:43:07,647 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:43:07,693 INFO L225 Difference]: With dead ends: 6348 [2022-11-23 15:43:07,693 INFO L226 Difference]: Without dead ends: 6344 [2022-11-23 15:43:07,699 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-23 15:43:07,700 INFO L413 NwaCegarLoop]: 3591 mSDtfsCounter, 4794 mSDsluCounter, 5267 mSDsCounter, 0 mSdLazyCounter, 1500 mSolverCounterSat, 1971 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4916 SdHoareTripleChecker+Valid, 8858 SdHoareTripleChecker+Invalid, 3473 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1971 IncrementalHoareTripleChecker+Valid, 1500 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.2s IncrementalHoareTripleChecker+Time [2022-11-23 15:43:07,700 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4916 Valid, 8858 Invalid, 3473 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1971 Valid, 1500 Invalid, 2 Unknown, 0 Unchecked, 19.2s Time] [2022-11-23 15:43:07,709 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6344 states. [2022-11-23 15:43:08,071 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6344 to 5566. [2022-11-23 15:43:08,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5566 states, 3621 states have (on average 1.4032035349351009) internal successors, (5081), 3716 states have internal predecessors, (5081), 1589 states have call successors, (1589), 359 states have call predecessors, (1589), 355 states have return successors, (1621), 1565 states have call predecessors, (1621), 1581 states have call successors, (1621) [2022-11-23 15:43:08,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5566 states to 5566 states and 8291 transitions. [2022-11-23 15:43:08,109 INFO L78 Accepts]: Start accepts. Automaton has 5566 states and 8291 transitions. Word has length 66 [2022-11-23 15:43:08,109 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:43:08,110 INFO L495 AbstractCegarLoop]: Abstraction has 5566 states and 8291 transitions. [2022-11-23 15:43:08,110 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 3 states have call successors, (11), 3 states have call predecessors, (11), 2 states have return successors, (9), 2 states have call predecessors, (9), 1 states have call successors, (9) [2022-11-23 15:43:08,110 INFO L276 IsEmpty]: Start isEmpty. Operand 5566 states and 8291 transitions. [2022-11-23 15:43:08,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-11-23 15:43:08,116 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:43:08,120 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 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] [2022-11-23 15:43:08,120 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-23 15:43:08,121 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 15:43:08,121 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:43:08,121 INFO L85 PathProgramCache]: Analyzing trace with hash 1293162241, now seen corresponding path program 1 times [2022-11-23 15:43:08,121 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:43:08,122 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [486973202] [2022-11-23 15:43:08,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:43:08,122 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:43:08,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:43:10,039 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2022-11-23 15:43:10,039 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:43:10,039 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [486973202] [2022-11-23 15:43:10,039 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [486973202] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 15:43:10,040 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1081614742] [2022-11-23 15:43:10,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:43:10,040 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 15:43:10,040 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa0afbb-5b8e-41f1-ba88-5702999c2324/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 15:43:10,046 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa0afbb-5b8e-41f1-ba88-5702999c2324/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 15:43:10,079 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa0afbb-5b8e-41f1-ba88-5702999c2324/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-23 15:43:12,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:43:12,096 INFO L263 TraceCheckSpWp]: Trace formula consists of 4341 conjuncts, 44 conjunts are in the unsatisfiable core [2022-11-23 15:43:12,108 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 15:43:12,351 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2022-11-23 15:43:12,352 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 15:43:12,352 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1081614742] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:43:12,352 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-23 15:43:12,352 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [8] total 9 [2022-11-23 15:43:12,353 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1801126986] [2022-11-23 15:43:12,353 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:43:12,353 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-23 15:43:12,354 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:43:12,354 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-23 15:43:12,354 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2022-11-23 15:43:12,354 INFO L87 Difference]: Start difference. First operand 5566 states and 8291 transitions. Second operand has 8 states, 6 states have (on average 5.666666666666667) internal successors, (34), 6 states have internal predecessors, (34), 3 states have call successors, (11), 4 states have call predecessors, (11), 4 states have return successors, (9), 3 states have call predecessors, (9), 2 states have call successors, (9) [2022-11-23 15:43:14,455 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:43:30,873 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:43:35,450 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.44s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:43:39,351 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.21s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-23 15:43:41,594 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.39s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:43:42,624 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:43:44,635 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:43:49,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:43:49,931 INFO L93 Difference]: Finished difference Result 6353 states and 9621 transitions. [2022-11-23 15:43:49,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-23 15:43:49,932 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 6 states have (on average 5.666666666666667) internal successors, (34), 6 states have internal predecessors, (34), 3 states have call successors, (11), 4 states have call predecessors, (11), 4 states have return successors, (9), 3 states have call predecessors, (9), 2 states have call successors, (9) Word has length 66 [2022-11-23 15:43:49,932 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:43:49,970 INFO L225 Difference]: With dead ends: 6353 [2022-11-23 15:43:49,971 INFO L226 Difference]: Without dead ends: 6350 [2022-11-23 15:43:49,976 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=37, Invalid=73, Unknown=0, NotChecked=0, Total=110 [2022-11-23 15:43:49,977 INFO L413 NwaCegarLoop]: 1722 mSDtfsCounter, 4432 mSDsluCounter, 3793 mSDsCounter, 0 mSdLazyCounter, 6575 mSolverCounterSat, 2179 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 35.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4757 SdHoareTripleChecker+Valid, 5515 SdHoareTripleChecker+Invalid, 8757 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2179 IncrementalHoareTripleChecker+Valid, 6575 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 36.8s IncrementalHoareTripleChecker+Time [2022-11-23 15:43:49,977 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4757 Valid, 5515 Invalid, 8757 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2179 Valid, 6575 Invalid, 3 Unknown, 0 Unchecked, 36.8s Time] [2022-11-23 15:43:49,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6350 states. [2022-11-23 15:43:50,321 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6350 to 5566. [2022-11-23 15:43:50,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5566 states, 3620 states have (on average 1.403038674033149) internal successors, (5079), 3716 states have internal predecessors, (5079), 1589 states have call successors, (1589), 359 states have call predecessors, (1589), 356 states have return successors, (1621), 1565 states have call predecessors, (1621), 1581 states have call successors, (1621) [2022-11-23 15:43:50,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5566 states to 5566 states and 8289 transitions. [2022-11-23 15:43:50,357 INFO L78 Accepts]: Start accepts. Automaton has 5566 states and 8289 transitions. Word has length 66 [2022-11-23 15:43:50,357 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:43:50,358 INFO L495 AbstractCegarLoop]: Abstraction has 5566 states and 8289 transitions. [2022-11-23 15:43:50,358 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 6 states have (on average 5.666666666666667) internal successors, (34), 6 states have internal predecessors, (34), 3 states have call successors, (11), 4 states have call predecessors, (11), 4 states have return successors, (9), 3 states have call predecessors, (9), 2 states have call successors, (9) [2022-11-23 15:43:50,358 INFO L276 IsEmpty]: Start isEmpty. Operand 5566 states and 8289 transitions. [2022-11-23 15:43:50,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-11-23 15:43:50,364 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:43:50,364 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 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] [2022-11-23 15:43:50,390 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa0afbb-5b8e-41f1-ba88-5702999c2324/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-23 15:43:50,590 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa0afbb-5b8e-41f1-ba88-5702999c2324/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2022-11-23 15:43:50,590 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 15:43:50,591 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:43:50,591 INFO L85 PathProgramCache]: Analyzing trace with hash -1609570417, now seen corresponding path program 1 times [2022-11-23 15:43:50,591 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:43:50,592 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [56871561] [2022-11-23 15:43:50,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:43:50,592 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:43:50,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:43:51,196 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2022-11-23 15:43:51,196 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:43:51,197 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [56871561] [2022-11-23 15:43:51,197 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [56871561] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:43:51,197 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:43:51,197 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-23 15:43:51,198 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1970072627] [2022-11-23 15:43:51,198 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:43:51,200 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 15:43:51,201 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:43:51,201 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 15:43:51,201 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 15:43:51,202 INFO L87 Difference]: Start difference. First operand 5566 states and 8289 transitions. Second operand has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2022-11-23 15:43:53,299 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:43:59,656 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.21s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-23 15:44:01,743 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:44:07,542 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:44:08,829 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:44:08,830 INFO L93 Difference]: Finished difference Result 9387 states and 14035 transitions. [2022-11-23 15:44:08,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-23 15:44:08,830 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 67 [2022-11-23 15:44:08,831 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:44:08,845 INFO L225 Difference]: With dead ends: 9387 [2022-11-23 15:44:08,846 INFO L226 Difference]: Without dead ends: 3832 [2022-11-23 15:44:08,872 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-23 15:44:08,873 INFO L413 NwaCegarLoop]: 3547 mSDtfsCounter, 2245 mSDsluCounter, 4603 mSDsCounter, 0 mSdLazyCounter, 1024 mSolverCounterSat, 136 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2253 SdHoareTripleChecker+Valid, 8150 SdHoareTripleChecker+Invalid, 1162 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 136 IncrementalHoareTripleChecker+Valid, 1024 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.1s IncrementalHoareTripleChecker+Time [2022-11-23 15:44:08,873 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2253 Valid, 8150 Invalid, 1162 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [136 Valid, 1024 Invalid, 2 Unknown, 0 Unchecked, 17.1s Time] [2022-11-23 15:44:08,879 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3832 states. [2022-11-23 15:44:09,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3832 to 3415. [2022-11-23 15:44:09,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3415 states, 2217 states have (on average 1.3982859720342806) internal successors, (3100), 2279 states have internal predecessors, (3100), 972 states have call successors, (972), 227 states have call predecessors, (972), 225 states have return successors, (989), 953 states have call predecessors, (989), 965 states have call successors, (989) [2022-11-23 15:44:09,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3415 states to 3415 states and 5061 transitions. [2022-11-23 15:44:09,147 INFO L78 Accepts]: Start accepts. Automaton has 3415 states and 5061 transitions. Word has length 67 [2022-11-23 15:44:09,148 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:44:09,148 INFO L495 AbstractCegarLoop]: Abstraction has 3415 states and 5061 transitions. [2022-11-23 15:44:09,148 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2022-11-23 15:44:09,148 INFO L276 IsEmpty]: Start isEmpty. Operand 3415 states and 5061 transitions. [2022-11-23 15:44:09,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2022-11-23 15:44:09,155 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:44:09,155 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 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] [2022-11-23 15:44:09,156 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-23 15:44:09,156 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 15:44:09,156 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:44:09,157 INFO L85 PathProgramCache]: Analyzing trace with hash -516725335, now seen corresponding path program 1 times [2022-11-23 15:44:09,157 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:44:09,157 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1961623929] [2022-11-23 15:44:09,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:44:09,157 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:44:09,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 15:44:09,666 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-23 15:44:10,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 15:44:11,164 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2022-11-23 15:44:11,165 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-23 15:44:11,166 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-23 15:44:11,168 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-23 15:44:11,172 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:44:11,178 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-23 15:44:11,454 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 03:44:11 BoogieIcfgContainer [2022-11-23 15:44:11,454 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-23 15:44:11,455 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-23 15:44:11,455 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-23 15:44:11,455 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-23 15:44:11,456 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:41:30" (3/4) ... [2022-11-23 15:44:11,459 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-23 15:44:11,460 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-23 15:44:11,460 INFO L158 Benchmark]: Toolchain (without parser) took 243467.18ms. Allocated memory was 161.5MB in the beginning and 2.3GB in the end (delta: 2.1GB). Free memory was 108.1MB in the beginning and 1.5GB in the end (delta: -1.4GB). Peak memory consumption was 676.5MB. Max. memory is 16.1GB. [2022-11-23 15:44:11,461 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 161.5MB. Free memory is still 130.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 15:44:11,462 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2659.96ms. Allocated memory was 161.5MB in the beginning and 264.2MB in the end (delta: 102.8MB). Free memory was 107.5MB in the beginning and 149.5MB in the end (delta: -42.1MB). Peak memory consumption was 87.1MB. Max. memory is 16.1GB. [2022-11-23 15:44:11,462 INFO L158 Benchmark]: Boogie Procedure Inliner took 319.78ms. Allocated memory is still 264.2MB. Free memory was 149.5MB in the beginning and 122.3MB in the end (delta: 27.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2022-11-23 15:44:11,463 INFO L158 Benchmark]: Boogie Preprocessor took 382.61ms. Allocated memory is still 264.2MB. Free memory was 122.3MB in the beginning and 166.0MB in the end (delta: -43.7MB). Peak memory consumption was 19.2MB. Max. memory is 16.1GB. [2022-11-23 15:44:11,464 INFO L158 Benchmark]: RCFGBuilder took 78770.54ms. Allocated memory was 264.2MB in the beginning and 2.3GB in the end (delta: 2.0GB). Free memory was 166.0MB in the beginning and 1.8GB in the end (delta: -1.7GB). Peak memory consumption was 1.2GB. Max. memory is 16.1GB. [2022-11-23 15:44:11,464 INFO L158 Benchmark]: TraceAbstraction took 161319.24ms. Allocated memory is still 2.3GB. Free memory was 1.8GB in the beginning and 1.5GB in the end (delta: 286.3MB). Peak memory consumption was 288.4MB. Max. memory is 16.1GB. [2022-11-23 15:44:11,465 INFO L158 Benchmark]: Witness Printer took 5.06ms. Allocated memory is still 2.3GB. Free memory was 1.5GB in the beginning and 1.5GB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-23 15:44:11,467 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 161.5MB. Free memory is still 130.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2659.96ms. Allocated memory was 161.5MB in the beginning and 264.2MB in the end (delta: 102.8MB). Free memory was 107.5MB in the beginning and 149.5MB in the end (delta: -42.1MB). Peak memory consumption was 87.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 319.78ms. Allocated memory is still 264.2MB. Free memory was 149.5MB in the beginning and 122.3MB in the end (delta: 27.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 382.61ms. Allocated memory is still 264.2MB. Free memory was 122.3MB in the beginning and 166.0MB in the end (delta: -43.7MB). Peak memory consumption was 19.2MB. Max. memory is 16.1GB. * RCFGBuilder took 78770.54ms. Allocated memory was 264.2MB in the beginning and 2.3GB in the end (delta: 2.0GB). Free memory was 166.0MB in the beginning and 1.8GB in the end (delta: -1.7GB). Peak memory consumption was 1.2GB. Max. memory is 16.1GB. * TraceAbstraction took 161319.24ms. Allocated memory is still 2.3GB. Free memory was 1.8GB in the beginning and 1.5GB in the end (delta: 286.3MB). Peak memory consumption was 288.4MB. Max. memory is 16.1GB. * Witness Printer took 5.06ms. Allocated memory is still 2.3GB. Free memory was 1.5GB in the beginning and 1.5GB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * 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: 3977]: 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 3570. Possible FailurePath: [L4000] int LDV_IN_INTERRUPT = 1; [L4001] struct usb_interface *ti_usb_driver_group1 ; [L4002] struct file *ti_2port_device_group0 ; [L4003] int ldv_state_variable_0 ; [L4004] struct usb_serial *ti_2port_device_group3 ; [L4005] struct file *ti_1port_device_group0 ; [L4006] int ldv_state_variable_3 ; [L4007] int ldv_state_variable_2 ; [L4008] struct tty_struct *ti_1port_device_group2 ; [L4009] int ref_cnt ; [L4010] struct usb_serial *ti_1port_device_group3 ; [L4011] int ldv_state_variable_1 ; [L4012] struct usb_serial_port *ti_2port_device_group4 ; [L4013] struct urb *ti_1port_device_group1 ; [L4014] int usb_counter ; [L4015] struct usb_serial_port *ti_1port_device_group4 ; [L4016] struct tty_struct *ti_2port_device_group2 ; [L4017] struct urb *ti_2port_device_group1 ; [L4073] static int debug ; [L4074] static int closing_wait = 4000; [L4075] static ushort vendor_3410[5U] ; [L4076] static unsigned int vendor_3410_count ; [L4077] static ushort product_3410[5U] ; [L4078] static unsigned int product_3410_count ; [L4079] static ushort vendor_5052[5U] ; [L4080] static unsigned int vendor_5052_count ; [L4081] static ushort product_5052[5U] ; [L4082] static unsigned int product_5052_count ; [L4083-L4121] static struct usb_device_id ti_id_table_3410[19U] = { {3U, 1105U, 13328U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 1105U, 62512U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 1760U, 61704U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 1760U, 61705U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 1760U, 61712U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 1760U, 61713U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 1760U, 61714U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 1760U, 61716U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 1760U, 61717U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 1760U, 793U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 1203U, 17731U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 1203U, 17739U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 1203U, 17740U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}}; [L4122-L4132] static struct usb_device_id ti_id_table_5052[11U] = { {3U, 1105U, 20562U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 1105U, 20818U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 1105U, 20570U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 1105U, 20575U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}}; [L4133-L4183] static struct usb_device_id ti_id_table_combined[28U] = { {3U, 1105U, 13328U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 1105U, 62512U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 1760U, 61704U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 1760U, 61705U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 1760U, 61712U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 1760U, 61713U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 1760U, 61714U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 1760U, 61716U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 1760U, 61717U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 1760U, 793U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 1105U, 20562U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 1105U, 20818U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 1105U, 20570U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 1105U, 20575U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 1203U, 17731U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 1203U, 17739U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 1203U, 17740U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}}; [L4184-L4197] static struct usb_driver ti_usb_driver = {"ti_usb_3410_5052", & usb_serial_probe, & usb_serial_disconnect, 0, 0, 0, 0, 0, 0, (struct usb_device_id const *)(& ti_id_table_combined), {{{{{0U}, 0U, 0U, 0, {0, 0, 0, 0, 0UL}}}}, {0, 0}}, {{0, 0, 0, 0, (_Bool)0, 0, 0, 0, 0, 0, 0, 0, 0}, 0}, 1U, (unsigned char)0, (unsigned char)0}; [L4198-L4206] static struct usb_serial_driver ti_1port_device = {"TI USB 3410 1 port adapter", (struct usb_device_id const *)(& ti_id_table_3410), 1, {0, 0}, {"ti_usb_3410_5052_1", 0, & __this_module, 0, (_Bool)0, 0, 0, 0, 0, 0, 0, 0, 0}, & ti_usb_driver, {{{{{0U}, 0U, 0U, 0, {0, 0, 0, 0, 0UL}}}}, {0, 0}}, 0UL, 0UL, 0, & ti_startup, 0, 0, & ti_release, 0, 0, 0, 0, & ti_open, & ti_close, & ti_write, & ti_write_room, & ti_ioctl, & ti_set_termios, & ti_break, & ti_chars_in_buffer, & ti_throttle, & ti_unthrottle, & ti_tiocmget, & ti_tiocmset, 0, 0, 0, & ti_interrupt_callback, 0, & ti_bulk_in_callback, & ti_bulk_out_callback, 0, 0}; [L4207-L4215] static struct usb_serial_driver ti_2port_device = {"TI USB 5052 2 port adapter", (struct usb_device_id const *)(& ti_id_table_5052), 2, {0, 0}, {"ti_usb_3410_5052_2", 0, & __this_module, 0, (_Bool)0, 0, 0, 0, 0, 0, 0, 0, 0}, & ti_usb_driver, {{{{{0U}, 0U, 0U, 0, {0, 0, 0, 0, 0UL}}}}, {0, 0}}, 0UL, 0UL, 0, & ti_startup, 0, 0, & ti_release, 0, 0, 0, 0, & ti_open, & ti_close, & ti_write, & ti_write_room, & ti_ioctl, & ti_set_termios, & ti_break, & ti_chars_in_buffer, & ti_throttle, & ti_unthrottle, & ti_tiocmget, & ti_tiocmset, 0, 0, 0, & ti_interrupt_callback, 0, & ti_bulk_in_callback, & ti_bulk_out_callback, 0, 0}; [L4216] struct usb_device_id const __mod_usb_device_table ; [L6253] int ldv_retval_2 ; [L6255] int ldv_retval_5 ; [L6257] int ldv_retval_0 ; [L6258] int ldv_retval_4 ; [L6260] int ldv_retval_1 ; [L6263] int ldv_retval_3 ; [L7204] int ldv_usb = 0; [L7205] int ldv_usb_s = 0; [L6317] struct ktermios *ldvarg7 ; [L6318] void *tmp ; [L6319] unsigned int ldvarg3 ; [L6320] unsigned int tmp___0 ; [L6321] int ldvarg0 ; [L6322] int tmp___1 ; [L6323] unsigned long ldvarg5 ; [L6324] unsigned long tmp___2 ; [L6325] unsigned int ldvarg6 ; [L6326] unsigned int tmp___3 ; [L6327] int ldvarg1 ; [L6328] int tmp___4 ; [L6329] unsigned int ldvarg4 ; [L6330] unsigned int tmp___5 ; [L6331] unsigned char *ldvarg2 ; [L6332] void *tmp___6 ; [L6333] struct usb_device_id *ldvarg8 ; [L6334] void *tmp___7 ; [L6335] unsigned char *ldvarg11 ; [L6336] void *tmp___8 ; [L6337] unsigned int ldvarg12 ; [L6338] unsigned int tmp___9 ; [L6339] struct ktermios *ldvarg16 ; [L6340] void *tmp___10 ; [L6341] unsigned int ldvarg15 ; [L6342] unsigned int tmp___11 ; [L6343] unsigned long ldvarg14 ; [L6344] unsigned long tmp___12 ; [L6345] unsigned int ldvarg13 ; [L6346] unsigned int tmp___13 ; [L6347] int ldvarg10 ; [L6348] int tmp___14 ; [L6349] int ldvarg9 ; [L6350] int tmp___15 ; [L6351] int tmp___16 ; [L6352] int tmp___17 ; [L6353] int tmp___18 ; [L6354] int tmp___19 ; [L6355] int tmp___20 ; VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={62612:62514}, closing_wait=4000, debug=0, LDV_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_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_usb=0, ldv_usb_s=0, product_3410={278:0}, product_3410_count=0, product_5052={280:0}, product_5052_count=0, ref_cnt=0, ti_1port_device={285:0}, ti_1port_device_group0={0:0}, ti_1port_device_group1={0:0}, ti_1port_device_group2={0:0}, ti_1port_device_group3={0:0}, ti_1port_device_group4={0:0}, ti_2port_device={286:0}, ti_2port_device_group0={0:0}, ti_2port_device_group1={0:0}, ti_2port_device_group2={0:0}, ti_2port_device_group3={0:0}, ti_2port_device_group4={0:0}, ti_id_table_3410={281:0}, ti_id_table_5052={282:0}, ti_id_table_combined={283:0}, ti_usb_driver={284:0}, ti_usb_driver_group1={0:0}, usb_counter=0, vendor_3410={277:0}, vendor_3410_count=0, vendor_5052={279:0}, vendor_5052_count=0] [L6357] CALL, EXPR ldv_zalloc(44UL) VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={62612:62514}, closing_wait=4000, debug=0, LDV_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_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_usb=0, ldv_usb_s=0, product_3410={278:0}, product_3410_count=0, product_5052={280:0}, product_5052_count=0, ref_cnt=0, ti_1port_device={285:0}, ti_1port_device_group0={0:0}, ti_1port_device_group1={0:0}, ti_1port_device_group2={0:0}, ti_1port_device_group3={0:0}, ti_1port_device_group4={0:0}, ti_2port_device={286:0}, ti_2port_device_group0={0:0}, ti_2port_device_group1={0:0}, ti_2port_device_group2={0:0}, ti_2port_device_group3={0:0}, ti_2port_device_group4={0:0}, ti_id_table_3410={281:0}, ti_id_table_5052={282:0}, ti_id_table_combined={283:0}, ti_usb_driver={284:0}, ti_usb_driver_group1={0:0}, usb_counter=0, vendor_3410={277:0}, vendor_3410_count=0, vendor_5052={279:0}, vendor_5052_count=0] [L3942] void *p ; [L3943] void *tmp ; [L3944] int tmp___0 ; [L3946] tmp___0 = __VERIFIER_nondet_int() [L3947] COND TRUE tmp___0 != 0 [L3948] return ((void *)0); VAL [\result={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={62612:62514}, closing_wait=4000, debug=0, LDV_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_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_usb=0, ldv_usb_s=0, product_3410={278:0}, product_3410_count=0, product_5052={280:0}, product_5052_count=0, ref_cnt=0, size=44, ti_1port_device={285:0}, ti_1port_device_group0={0:0}, ti_1port_device_group1={0:0}, ti_1port_device_group2={0:0}, ti_1port_device_group3={0:0}, ti_1port_device_group4={0:0}, ti_2port_device={286:0}, ti_2port_device_group0={0:0}, ti_2port_device_group1={0:0}, ti_2port_device_group2={0:0}, ti_2port_device_group3={0:0}, ti_2port_device_group4={0:0}, ti_id_table_3410={281:0}, ti_id_table_5052={282:0}, ti_id_table_combined={283:0}, ti_usb_driver={284:0}, ti_usb_driver_group1={0:0}, tmp___0=1, unknown-#in~size-unknown=44, usb_counter=0, vendor_3410={277:0}, vendor_3410_count=0, vendor_5052={279:0}, vendor_5052_count=0] [L6357] RET, EXPR ldv_zalloc(44UL) VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={62612:62514}, closing_wait=4000, debug=0, LDV_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_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_usb=0, ldv_usb_s=0, ldv_zalloc(44UL)={0:0}, product_3410={278:0}, product_3410_count=0, product_5052={280:0}, product_5052_count=0, ref_cnt=0, ti_1port_device={285:0}, ti_1port_device_group0={0:0}, ti_1port_device_group1={0:0}, ti_1port_device_group2={0:0}, ti_1port_device_group3={0:0}, ti_1port_device_group4={0:0}, ti_2port_device={286:0}, ti_2port_device_group0={0:0}, ti_2port_device_group1={0:0}, ti_2port_device_group2={0:0}, ti_2port_device_group3={0:0}, ti_2port_device_group4={0:0}, ti_id_table_3410={281:0}, ti_id_table_5052={282:0}, ti_id_table_combined={283:0}, ti_usb_driver={284:0}, ti_usb_driver_group1={0:0}, usb_counter=0, vendor_3410={277:0}, vendor_3410_count=0, vendor_5052={279:0}, vendor_5052_count=0] [L6357] tmp = ldv_zalloc(44UL) [L6358] ldvarg7 = (struct ktermios *)tmp [L6359] tmp___0 = __VERIFIER_nondet_uint() [L6360] ldvarg3 = tmp___0 [L6361] tmp___1 = __VERIFIER_nondet_int() [L6362] ldvarg0 = tmp___1 [L6363] tmp___2 = __VERIFIER_nondet_ulong() [L6364] ldvarg5 = tmp___2 [L6365] tmp___3 = __VERIFIER_nondet_uint() [L6366] ldvarg6 = tmp___3 [L6367] tmp___4 = __VERIFIER_nondet_int() [L6368] ldvarg1 = tmp___4 [L6369] tmp___5 = __VERIFIER_nondet_uint() [L6370] ldvarg4 = tmp___5 VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={62612:62514}, closing_wait=4000, debug=0, LDV_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_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_usb=0, ldv_usb_s=0, ldvarg0=-2, ldvarg1=0, ldvarg3=62525, ldvarg4=62521, ldvarg5=62564, ldvarg6=62531, ldvarg7={0:0}, product_3410={278:0}, product_3410_count=0, product_5052={280:0}, product_5052_count=0, ref_cnt=0, ti_1port_device={285:0}, ti_1port_device_group0={0:0}, ti_1port_device_group1={0:0}, ti_1port_device_group2={0:0}, ti_1port_device_group3={0:0}, ti_1port_device_group4={0:0}, ti_2port_device={286:0}, ti_2port_device_group0={0:0}, ti_2port_device_group1={0:0}, ti_2port_device_group2={0:0}, ti_2port_device_group3={0:0}, ti_2port_device_group4={0:0}, ti_id_table_3410={281:0}, ti_id_table_5052={282:0}, ti_id_table_combined={283:0}, ti_usb_driver={284:0}, ti_usb_driver_group1={0:0}, tmp={0:0}, tmp___0=62525, tmp___1=-2, tmp___2=62564, tmp___3=62531, tmp___4=0, tmp___5=62521, usb_counter=0, vendor_3410={277:0}, vendor_3410_count=0, vendor_5052={279:0}, vendor_5052_count=0] [L6371] CALL, EXPR ldv_zalloc(1UL) VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={62612:62514}, closing_wait=4000, debug=0, LDV_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_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_usb=0, ldv_usb_s=0, product_3410={278:0}, product_3410_count=0, product_5052={280:0}, product_5052_count=0, ref_cnt=0, ti_1port_device={285:0}, ti_1port_device_group0={0:0}, ti_1port_device_group1={0:0}, ti_1port_device_group2={0:0}, ti_1port_device_group3={0:0}, ti_1port_device_group4={0:0}, ti_2port_device={286:0}, ti_2port_device_group0={0:0}, ti_2port_device_group1={0:0}, ti_2port_device_group2={0:0}, ti_2port_device_group3={0:0}, ti_2port_device_group4={0:0}, ti_id_table_3410={281:0}, ti_id_table_5052={282:0}, ti_id_table_combined={283:0}, ti_usb_driver={284:0}, ti_usb_driver_group1={0:0}, usb_counter=0, vendor_3410={277:0}, vendor_3410_count=0, vendor_5052={279:0}, vendor_5052_count=0] [L3942] void *p ; [L3943] void *tmp ; [L3944] int tmp___0 ; [L3946] tmp___0 = __VERIFIER_nondet_int() [L3947] COND TRUE tmp___0 != 0 [L3948] return ((void *)0); VAL [\result={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={62612:62514}, closing_wait=4000, debug=0, LDV_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_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_usb=0, ldv_usb_s=0, product_3410={278:0}, product_3410_count=0, product_5052={280:0}, product_5052_count=0, ref_cnt=0, size=1, ti_1port_device={285:0}, ti_1port_device_group0={0:0}, ti_1port_device_group1={0:0}, ti_1port_device_group2={0:0}, ti_1port_device_group3={0:0}, ti_1port_device_group4={0:0}, ti_2port_device={286:0}, ti_2port_device_group0={0:0}, ti_2port_device_group1={0:0}, ti_2port_device_group2={0:0}, ti_2port_device_group3={0:0}, ti_2port_device_group4={0:0}, ti_id_table_3410={281:0}, ti_id_table_5052={282:0}, ti_id_table_combined={283:0}, ti_usb_driver={284:0}, ti_usb_driver_group1={0:0}, tmp___0=1, unknown-#in~size-unknown=1, usb_counter=0, vendor_3410={277:0}, vendor_3410_count=0, vendor_5052={279:0}, vendor_5052_count=0] [L6371] RET, EXPR ldv_zalloc(1UL) VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={62612:62514}, closing_wait=4000, debug=0, LDV_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_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_usb=0, ldv_usb_s=0, ldv_zalloc(1UL)={0:0}, ldvarg0=-2, ldvarg1=0, ldvarg3=62525, ldvarg4=62521, ldvarg5=62564, ldvarg6=62531, ldvarg7={0:0}, product_3410={278:0}, product_3410_count=0, product_5052={280:0}, product_5052_count=0, ref_cnt=0, ti_1port_device={285:0}, ti_1port_device_group0={0:0}, ti_1port_device_group1={0:0}, ti_1port_device_group2={0:0}, ti_1port_device_group3={0:0}, ti_1port_device_group4={0:0}, ti_2port_device={286:0}, ti_2port_device_group0={0:0}, ti_2port_device_group1={0:0}, ti_2port_device_group2={0:0}, ti_2port_device_group3={0:0}, ti_2port_device_group4={0:0}, ti_id_table_3410={281:0}, ti_id_table_5052={282:0}, ti_id_table_combined={283:0}, ti_usb_driver={284:0}, ti_usb_driver_group1={0:0}, tmp={0:0}, tmp___0=62525, tmp___1=-2, tmp___2=62564, tmp___3=62531, tmp___4=0, tmp___5=62521, usb_counter=0, vendor_3410={277:0}, vendor_3410_count=0, vendor_5052={279:0}, vendor_5052_count=0] [L6371] tmp___6 = ldv_zalloc(1UL) [L6372] ldvarg2 = (unsigned char *)tmp___6 VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={62612:62514}, closing_wait=4000, debug=0, LDV_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_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_usb=0, ldv_usb_s=0, ldvarg0=-2, ldvarg1=0, ldvarg2={0:0}, ldvarg3=62525, ldvarg4=62521, ldvarg5=62564, ldvarg6=62531, ldvarg7={0:0}, product_3410={278:0}, product_3410_count=0, product_5052={280:0}, product_5052_count=0, ref_cnt=0, ti_1port_device={285:0}, ti_1port_device_group0={0:0}, ti_1port_device_group1={0:0}, ti_1port_device_group2={0:0}, ti_1port_device_group3={0:0}, ti_1port_device_group4={0:0}, ti_2port_device={286:0}, ti_2port_device_group0={0:0}, ti_2port_device_group1={0:0}, ti_2port_device_group2={0:0}, ti_2port_device_group3={0:0}, ti_2port_device_group4={0:0}, ti_id_table_3410={281:0}, ti_id_table_5052={282:0}, ti_id_table_combined={283:0}, ti_usb_driver={284:0}, ti_usb_driver_group1={0:0}, tmp={0:0}, tmp___0=62525, tmp___1=-2, tmp___2=62564, tmp___3=62531, tmp___4=0, tmp___5=62521, tmp___6={0:0}, usb_counter=0, vendor_3410={277:0}, vendor_3410_count=0, vendor_5052={279:0}, vendor_5052_count=0] [L6373] CALL, EXPR ldv_zalloc(24UL) VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={62612:62514}, closing_wait=4000, debug=0, LDV_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_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_usb=0, ldv_usb_s=0, product_3410={278:0}, product_3410_count=0, product_5052={280:0}, product_5052_count=0, ref_cnt=0, ti_1port_device={285:0}, ti_1port_device_group0={0:0}, ti_1port_device_group1={0:0}, ti_1port_device_group2={0:0}, ti_1port_device_group3={0:0}, ti_1port_device_group4={0:0}, ti_2port_device={286:0}, ti_2port_device_group0={0:0}, ti_2port_device_group1={0:0}, ti_2port_device_group2={0:0}, ti_2port_device_group3={0:0}, ti_2port_device_group4={0:0}, ti_id_table_3410={281:0}, ti_id_table_5052={282:0}, ti_id_table_combined={283:0}, ti_usb_driver={284:0}, ti_usb_driver_group1={0:0}, usb_counter=0, vendor_3410={277:0}, vendor_3410_count=0, vendor_5052={279:0}, vendor_5052_count=0] [L3942] void *p ; [L3943] void *tmp ; [L3944] int tmp___0 ; [L3946] tmp___0 = __VERIFIER_nondet_int() [L3947] COND TRUE tmp___0 != 0 [L3948] return ((void *)0); VAL [\result={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={62612:62514}, closing_wait=4000, debug=0, LDV_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_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_usb=0, ldv_usb_s=0, product_3410={278:0}, product_3410_count=0, product_5052={280:0}, product_5052_count=0, ref_cnt=0, size=24, ti_1port_device={285:0}, ti_1port_device_group0={0:0}, ti_1port_device_group1={0:0}, ti_1port_device_group2={0:0}, ti_1port_device_group3={0:0}, ti_1port_device_group4={0:0}, ti_2port_device={286:0}, ti_2port_device_group0={0:0}, ti_2port_device_group1={0:0}, ti_2port_device_group2={0:0}, ti_2port_device_group3={0:0}, ti_2port_device_group4={0:0}, ti_id_table_3410={281:0}, ti_id_table_5052={282:0}, ti_id_table_combined={283:0}, ti_usb_driver={284:0}, ti_usb_driver_group1={0:0}, tmp___0=1, unknown-#in~size-unknown=24, usb_counter=0, vendor_3410={277:0}, vendor_3410_count=0, vendor_5052={279:0}, vendor_5052_count=0] [L6373] RET, EXPR ldv_zalloc(24UL) VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={62612:62514}, closing_wait=4000, debug=0, LDV_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_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_usb=0, ldv_usb_s=0, ldv_zalloc(24UL)={0:0}, ldvarg0=-2, ldvarg1=0, ldvarg2={0:0}, ldvarg3=62525, ldvarg4=62521, ldvarg5=62564, ldvarg6=62531, ldvarg7={0:0}, product_3410={278:0}, product_3410_count=0, product_5052={280:0}, product_5052_count=0, ref_cnt=0, ti_1port_device={285:0}, ti_1port_device_group0={0:0}, ti_1port_device_group1={0:0}, ti_1port_device_group2={0:0}, ti_1port_device_group3={0:0}, ti_1port_device_group4={0:0}, ti_2port_device={286:0}, ti_2port_device_group0={0:0}, ti_2port_device_group1={0:0}, ti_2port_device_group2={0:0}, ti_2port_device_group3={0:0}, ti_2port_device_group4={0:0}, ti_id_table_3410={281:0}, ti_id_table_5052={282:0}, ti_id_table_combined={283:0}, ti_usb_driver={284:0}, ti_usb_driver_group1={0:0}, tmp={0:0}, tmp___0=62525, tmp___1=-2, tmp___2=62564, tmp___3=62531, tmp___4=0, tmp___5=62521, tmp___6={0:0}, usb_counter=0, vendor_3410={277:0}, vendor_3410_count=0, vendor_5052={279:0}, vendor_5052_count=0] [L6373] tmp___7 = ldv_zalloc(24UL) [L6374] ldvarg8 = (struct usb_device_id *)tmp___7 VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={62612:62514}, closing_wait=4000, debug=0, LDV_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_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_usb=0, ldv_usb_s=0, ldvarg0=-2, ldvarg1=0, ldvarg2={0:0}, ldvarg3=62525, ldvarg4=62521, ldvarg5=62564, ldvarg6=62531, ldvarg7={0:0}, ldvarg8={0:0}, product_3410={278:0}, product_3410_count=0, product_5052={280:0}, product_5052_count=0, ref_cnt=0, ti_1port_device={285:0}, ti_1port_device_group0={0:0}, ti_1port_device_group1={0:0}, ti_1port_device_group2={0:0}, ti_1port_device_group3={0:0}, ti_1port_device_group4={0:0}, ti_2port_device={286:0}, ti_2port_device_group0={0:0}, ti_2port_device_group1={0:0}, ti_2port_device_group2={0:0}, ti_2port_device_group3={0:0}, ti_2port_device_group4={0:0}, ti_id_table_3410={281:0}, ti_id_table_5052={282:0}, ti_id_table_combined={283:0}, ti_usb_driver={284:0}, ti_usb_driver_group1={0:0}, tmp={0:0}, tmp___0=62525, tmp___1=-2, tmp___2=62564, tmp___3=62531, tmp___4=0, tmp___5=62521, tmp___6={0:0}, tmp___7={0:0}, usb_counter=0, vendor_3410={277:0}, vendor_3410_count=0, vendor_5052={279:0}, vendor_5052_count=0] [L6375] CALL, EXPR ldv_zalloc(1UL) VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={62612:62514}, closing_wait=4000, debug=0, LDV_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_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_usb=0, ldv_usb_s=0, product_3410={278:0}, product_3410_count=0, product_5052={280:0}, product_5052_count=0, ref_cnt=0, ti_1port_device={285:0}, ti_1port_device_group0={0:0}, ti_1port_device_group1={0:0}, ti_1port_device_group2={0:0}, ti_1port_device_group3={0:0}, ti_1port_device_group4={0:0}, ti_2port_device={286:0}, ti_2port_device_group0={0:0}, ti_2port_device_group1={0:0}, ti_2port_device_group2={0:0}, ti_2port_device_group3={0:0}, ti_2port_device_group4={0:0}, ti_id_table_3410={281:0}, ti_id_table_5052={282:0}, ti_id_table_combined={283:0}, ti_usb_driver={284:0}, ti_usb_driver_group1={0:0}, usb_counter=0, vendor_3410={277:0}, vendor_3410_count=0, vendor_5052={279:0}, vendor_5052_count=0] [L3942] void *p ; [L3943] void *tmp ; [L3944] int tmp___0 ; [L3946] tmp___0 = __VERIFIER_nondet_int() [L3947] COND TRUE tmp___0 != 0 [L3948] return ((void *)0); VAL [\result={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={62612:62514}, closing_wait=4000, debug=0, LDV_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_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_usb=0, ldv_usb_s=0, product_3410={278:0}, product_3410_count=0, product_5052={280:0}, product_5052_count=0, ref_cnt=0, size=1, ti_1port_device={285:0}, ti_1port_device_group0={0:0}, ti_1port_device_group1={0:0}, ti_1port_device_group2={0:0}, ti_1port_device_group3={0:0}, ti_1port_device_group4={0:0}, ti_2port_device={286:0}, ti_2port_device_group0={0:0}, ti_2port_device_group1={0:0}, ti_2port_device_group2={0:0}, ti_2port_device_group3={0:0}, ti_2port_device_group4={0:0}, ti_id_table_3410={281:0}, ti_id_table_5052={282:0}, ti_id_table_combined={283:0}, ti_usb_driver={284:0}, ti_usb_driver_group1={0:0}, tmp___0=1, unknown-#in~size-unknown=1, usb_counter=0, vendor_3410={277:0}, vendor_3410_count=0, vendor_5052={279:0}, vendor_5052_count=0] [L6375] RET, EXPR ldv_zalloc(1UL) VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={62612:62514}, closing_wait=4000, debug=0, LDV_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_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_usb=0, ldv_usb_s=0, ldv_zalloc(1UL)={0:0}, ldvarg0=-2, ldvarg1=0, ldvarg2={0:0}, ldvarg3=62525, ldvarg4=62521, ldvarg5=62564, ldvarg6=62531, ldvarg7={0:0}, ldvarg8={0:0}, product_3410={278:0}, product_3410_count=0, product_5052={280:0}, product_5052_count=0, ref_cnt=0, ti_1port_device={285:0}, ti_1port_device_group0={0:0}, ti_1port_device_group1={0:0}, ti_1port_device_group2={0:0}, ti_1port_device_group3={0:0}, ti_1port_device_group4={0:0}, ti_2port_device={286:0}, ti_2port_device_group0={0:0}, ti_2port_device_group1={0:0}, ti_2port_device_group2={0:0}, ti_2port_device_group3={0:0}, ti_2port_device_group4={0:0}, ti_id_table_3410={281:0}, ti_id_table_5052={282:0}, ti_id_table_combined={283:0}, ti_usb_driver={284:0}, ti_usb_driver_group1={0:0}, tmp={0:0}, tmp___0=62525, tmp___1=-2, tmp___2=62564, tmp___3=62531, tmp___4=0, tmp___5=62521, tmp___6={0:0}, tmp___7={0:0}, usb_counter=0, vendor_3410={277:0}, vendor_3410_count=0, vendor_5052={279:0}, vendor_5052_count=0] [L6375] tmp___8 = ldv_zalloc(1UL) [L6376] ldvarg11 = (unsigned char *)tmp___8 [L6377] tmp___9 = __VERIFIER_nondet_uint() [L6378] ldvarg12 = tmp___9 VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={62612:62514}, closing_wait=4000, debug=0, LDV_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_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_usb=0, ldv_usb_s=0, ldvarg0=-2, ldvarg1=0, ldvarg11={0:0}, ldvarg12=62594, ldvarg2={0:0}, ldvarg3=62525, ldvarg4=62521, ldvarg5=62564, ldvarg6=62531, ldvarg7={0:0}, ldvarg8={0:0}, product_3410={278:0}, product_3410_count=0, product_5052={280:0}, product_5052_count=0, ref_cnt=0, ti_1port_device={285:0}, ti_1port_device_group0={0:0}, ti_1port_device_group1={0:0}, ti_1port_device_group2={0:0}, ti_1port_device_group3={0:0}, ti_1port_device_group4={0:0}, ti_2port_device={286:0}, ti_2port_device_group0={0:0}, ti_2port_device_group1={0:0}, ti_2port_device_group2={0:0}, ti_2port_device_group3={0:0}, ti_2port_device_group4={0:0}, ti_id_table_3410={281:0}, ti_id_table_5052={282:0}, ti_id_table_combined={283:0}, ti_usb_driver={284:0}, ti_usb_driver_group1={0:0}, tmp={0:0}, tmp___0=62525, tmp___1=-2, tmp___2=62564, tmp___3=62531, tmp___4=0, tmp___5=62521, tmp___6={0:0}, tmp___7={0:0}, tmp___8={0:0}, tmp___9=62594, usb_counter=0, vendor_3410={277:0}, vendor_3410_count=0, vendor_5052={279:0}, vendor_5052_count=0] [L6379] CALL, EXPR ldv_zalloc(44UL) VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={62612:62514}, closing_wait=4000, debug=0, LDV_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_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_usb=0, ldv_usb_s=0, product_3410={278:0}, product_3410_count=0, product_5052={280:0}, product_5052_count=0, ref_cnt=0, ti_1port_device={285:0}, ti_1port_device_group0={0:0}, ti_1port_device_group1={0:0}, ti_1port_device_group2={0:0}, ti_1port_device_group3={0:0}, ti_1port_device_group4={0:0}, ti_2port_device={286:0}, ti_2port_device_group0={0:0}, ti_2port_device_group1={0:0}, ti_2port_device_group2={0:0}, ti_2port_device_group3={0:0}, ti_2port_device_group4={0:0}, ti_id_table_3410={281:0}, ti_id_table_5052={282:0}, ti_id_table_combined={283:0}, ti_usb_driver={284:0}, ti_usb_driver_group1={0:0}, usb_counter=0, vendor_3410={277:0}, vendor_3410_count=0, vendor_5052={279:0}, vendor_5052_count=0] [L3942] void *p ; [L3943] void *tmp ; [L3944] int tmp___0 ; [L3946] tmp___0 = __VERIFIER_nondet_int() [L3947] COND TRUE tmp___0 != 0 [L3948] return ((void *)0); VAL [\result={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={62612:62514}, closing_wait=4000, debug=0, LDV_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_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_usb=0, ldv_usb_s=0, product_3410={278:0}, product_3410_count=0, product_5052={280:0}, product_5052_count=0, ref_cnt=0, size=44, ti_1port_device={285:0}, ti_1port_device_group0={0:0}, ti_1port_device_group1={0:0}, ti_1port_device_group2={0:0}, ti_1port_device_group3={0:0}, ti_1port_device_group4={0:0}, ti_2port_device={286:0}, ti_2port_device_group0={0:0}, ti_2port_device_group1={0:0}, ti_2port_device_group2={0:0}, ti_2port_device_group3={0:0}, ti_2port_device_group4={0:0}, ti_id_table_3410={281:0}, ti_id_table_5052={282:0}, ti_id_table_combined={283:0}, ti_usb_driver={284:0}, ti_usb_driver_group1={0:0}, tmp___0=1, unknown-#in~size-unknown=44, usb_counter=0, vendor_3410={277:0}, vendor_3410_count=0, vendor_5052={279:0}, vendor_5052_count=0] [L6379] RET, EXPR ldv_zalloc(44UL) VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={62612:62514}, closing_wait=4000, debug=0, LDV_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_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_usb=0, ldv_usb_s=0, ldv_zalloc(44UL)={0:0}, ldvarg0=-2, ldvarg1=0, ldvarg11={0:0}, ldvarg12=62594, ldvarg2={0:0}, ldvarg3=62525, ldvarg4=62521, ldvarg5=62564, ldvarg6=62531, ldvarg7={0:0}, ldvarg8={0:0}, product_3410={278:0}, product_3410_count=0, product_5052={280:0}, product_5052_count=0, ref_cnt=0, ti_1port_device={285:0}, ti_1port_device_group0={0:0}, ti_1port_device_group1={0:0}, ti_1port_device_group2={0:0}, ti_1port_device_group3={0:0}, ti_1port_device_group4={0:0}, ti_2port_device={286:0}, ti_2port_device_group0={0:0}, ti_2port_device_group1={0:0}, ti_2port_device_group2={0:0}, ti_2port_device_group3={0:0}, ti_2port_device_group4={0:0}, ti_id_table_3410={281:0}, ti_id_table_5052={282:0}, ti_id_table_combined={283:0}, ti_usb_driver={284:0}, ti_usb_driver_group1={0:0}, tmp={0:0}, tmp___0=62525, tmp___1=-2, tmp___2=62564, tmp___3=62531, tmp___4=0, tmp___5=62521, tmp___6={0:0}, tmp___7={0:0}, tmp___8={0:0}, tmp___9=62594, usb_counter=0, vendor_3410={277:0}, vendor_3410_count=0, vendor_5052={279:0}, vendor_5052_count=0] [L6379] tmp___10 = ldv_zalloc(44UL) [L6380] ldvarg16 = (struct ktermios *)tmp___10 [L6381] tmp___11 = __VERIFIER_nondet_uint() [L6382] ldvarg15 = tmp___11 [L6383] tmp___12 = __VERIFIER_nondet_ulong() [L6384] ldvarg14 = tmp___12 [L6385] tmp___13 = __VERIFIER_nondet_uint() [L6386] ldvarg13 = tmp___13 [L6387] tmp___14 = __VERIFIER_nondet_int() [L6388] ldvarg10 = tmp___14 [L6389] tmp___15 = __VERIFIER_nondet_int() [L6390] ldvarg9 = tmp___15 [L6391] FCALL ldv_initialize() [L6392] ldv_state_variable_1 = 0 [L6393] ref_cnt = 0 [L6394] ldv_state_variable_0 = 1 [L6395] ldv_state_variable_3 = 0 [L6396] ldv_state_variable_2 = 0 VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={62612:62514}, closing_wait=4000, debug=0, LDV_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_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_usb=0, ldv_usb_s=0, ldvarg0=-2, ldvarg1=0, ldvarg10=-3, ldvarg11={0:0}, ldvarg12=62594, ldvarg13=62559, ldvarg14=62617, ldvarg15=62542, ldvarg16={0:0}, ldvarg2={0:0}, ldvarg3=62525, ldvarg4=62521, ldvarg5=62564, ldvarg6=62531, ldvarg7={0:0}, ldvarg8={0:0}, ldvarg9=-4, product_3410={278:0}, product_3410_count=0, product_5052={280:0}, product_5052_count=0, ref_cnt=0, ti_1port_device={285:0}, ti_1port_device_group0={0:0}, ti_1port_device_group1={0:0}, ti_1port_device_group2={0:0}, ti_1port_device_group3={0:0}, ti_1port_device_group4={0:0}, ti_2port_device={286:0}, ti_2port_device_group0={0:0}, ti_2port_device_group1={0:0}, ti_2port_device_group2={0:0}, ti_2port_device_group3={0:0}, ti_2port_device_group4={0:0}, ti_id_table_3410={281:0}, ti_id_table_5052={282:0}, ti_id_table_combined={283:0}, ti_usb_driver={284:0}, ti_usb_driver_group1={0:0}, tmp={0:0}, tmp___0=62525, tmp___1=-2, tmp___10={0:0}, tmp___11=62542, tmp___12=62617, tmp___13=62559, tmp___14=-3, tmp___15=-4, tmp___2=62564, tmp___3=62531, tmp___4=0, tmp___5=62521, tmp___6={0:0}, tmp___7={0:0}, tmp___8={0:0}, tmp___9=62594, usb_counter=0, vendor_3410={277:0}, vendor_3410_count=0, vendor_5052={279:0}, vendor_5052_count=0] [L6398] tmp___16 = __VERIFIER_nondet_int() [L6400] case 0: [L6726] case 1: VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={62612:62514}, closing_wait=4000, debug=0, LDV_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_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_usb=0, ldv_usb_s=0, ldvarg0=-2, ldvarg1=0, ldvarg10=-3, ldvarg11={0:0}, ldvarg12=62594, ldvarg13=62559, ldvarg14=62617, ldvarg15=62542, ldvarg16={0:0}, ldvarg2={0:0}, ldvarg3=62525, ldvarg4=62521, ldvarg5=62564, ldvarg6=62531, ldvarg7={0:0}, ldvarg8={0:0}, ldvarg9=-4, product_3410={278:0}, product_3410_count=0, product_5052={280:0}, product_5052_count=0, ref_cnt=0, ti_1port_device={285:0}, ti_1port_device_group0={0:0}, ti_1port_device_group1={0:0}, ti_1port_device_group2={0:0}, ti_1port_device_group3={0:0}, ti_1port_device_group4={0:0}, ti_2port_device={286:0}, ti_2port_device_group0={0:0}, ti_2port_device_group1={0:0}, ti_2port_device_group2={0:0}, ti_2port_device_group3={0:0}, ti_2port_device_group4={0:0}, ti_id_table_3410={281:0}, ti_id_table_5052={282:0}, ti_id_table_combined={283:0}, ti_usb_driver={284:0}, ti_usb_driver_group1={0:0}, tmp={0:0}, tmp___0=62525, tmp___1=-2, tmp___10={0:0}, tmp___11=62542, tmp___12=62617, tmp___13=62559, tmp___14=-3, tmp___15=-4, tmp___16=1, tmp___2=62564, tmp___3=62531, tmp___4=0, tmp___5=62521, tmp___6={0:0}, tmp___7={0:0}, tmp___8={0:0}, tmp___9=62594, usb_counter=0, vendor_3410={277:0}, vendor_3410_count=0, vendor_5052={279:0}, vendor_5052_count=0] [L6727] COND TRUE ldv_state_variable_0 != 0 [L6728] tmp___18 = __VERIFIER_nondet_int() [L6730] case 0: [L6738] case 1: VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={62612:62514}, closing_wait=4000, debug=0, LDV_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_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_usb=0, ldv_usb_s=0, ldvarg0=-2, ldvarg1=0, ldvarg10=-3, ldvarg11={0:0}, ldvarg12=62594, ldvarg13=62559, ldvarg14=62617, ldvarg15=62542, ldvarg16={0:0}, ldvarg2={0:0}, ldvarg3=62525, ldvarg4=62521, ldvarg5=62564, ldvarg6=62531, ldvarg7={0:0}, ldvarg8={0:0}, ldvarg9=-4, product_3410={278:0}, product_3410_count=0, product_5052={280:0}, product_5052_count=0, ref_cnt=0, ti_1port_device={285:0}, ti_1port_device_group0={0:0}, ti_1port_device_group1={0:0}, ti_1port_device_group2={0:0}, ti_1port_device_group3={0:0}, ti_1port_device_group4={0:0}, ti_2port_device={286:0}, ti_2port_device_group0={0:0}, ti_2port_device_group1={0:0}, ti_2port_device_group2={0:0}, ti_2port_device_group3={0:0}, ti_2port_device_group4={0:0}, ti_id_table_3410={281:0}, ti_id_table_5052={282:0}, ti_id_table_combined={283:0}, ti_usb_driver={284:0}, ti_usb_driver_group1={0:0}, tmp={0:0}, tmp___0=62525, tmp___1=-2, tmp___10={0:0}, tmp___11=62542, tmp___12=62617, tmp___13=62559, tmp___14=-3, tmp___15=-4, tmp___16=1, tmp___18=1, tmp___2=62564, tmp___3=62531, tmp___4=0, tmp___5=62521, tmp___6={0:0}, tmp___7={0:0}, tmp___8={0:0}, tmp___9=62594, usb_counter=0, vendor_3410={277:0}, vendor_3410_count=0, vendor_5052={279:0}, vendor_5052_count=0] [L6739] COND TRUE ldv_state_variable_0 == 1 [L6740] CALL ti_init() [L4219] int i ; [L4220] int j ; [L4221] int c ; [L4222] int ret ; [L4223] unsigned int _min1 ; [L4224] unsigned int _min2 ; [L4225] unsigned int _min1___0 ; [L4226] unsigned int _min2___0 ; [L4228] c = 17 [L4229] j = 13 [L4230] i = 0 VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={62612:62514}, c=17, closing_wait=4000, debug=0, i=0, j=13, LDV_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_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_usb=0, ldv_usb_s=0, product_3410={278:0}, product_3410_count=0, product_5052={280:0}, product_5052_count=0, ref_cnt=0, ti_1port_device={285:0}, ti_1port_device_group0={0:0}, ti_1port_device_group1={0:0}, ti_1port_device_group2={0:0}, ti_1port_device_group3={0:0}, ti_1port_device_group4={0:0}, ti_2port_device={286:0}, ti_2port_device_group0={0:0}, ti_2port_device_group1={0:0}, ti_2port_device_group2={0:0}, ti_2port_device_group3={0:0}, ti_2port_device_group4={0:0}, ti_id_table_3410={281:0}, ti_id_table_5052={282:0}, ti_id_table_combined={283:0}, ti_usb_driver={284:0}, ti_usb_driver_group1={0:0}, usb_counter=0, vendor_3410={277:0}, vendor_3410_count=0, vendor_5052={279:0}, vendor_5052_count=0] [L4243] _min1 = vendor_3410_count [L4244] _min2 = product_3410_count VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={62612:62514}, _min1=0, _min2=0, c=17, closing_wait=4000, debug=0, i=0, j=13, LDV_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_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_usb=0, ldv_usb_s=0, product_3410={278:0}, product_3410_count=0, product_5052={280:0}, product_5052_count=0, ref_cnt=0, ti_1port_device={285:0}, ti_1port_device_group0={0:0}, ti_1port_device_group1={0:0}, ti_1port_device_group2={0:0}, ti_1port_device_group3={0:0}, ti_1port_device_group4={0:0}, ti_2port_device={286:0}, ti_2port_device_group0={0:0}, ti_2port_device_group1={0:0}, ti_2port_device_group2={0:0}, ti_2port_device_group3={0:0}, ti_2port_device_group4={0:0}, ti_id_table_3410={281:0}, ti_id_table_5052={282:0}, ti_id_table_combined={283:0}, ti_usb_driver={284:0}, ti_usb_driver_group1={0:0}, usb_counter=0, vendor_3410={277:0}, vendor_3410_count=0, vendor_5052={279:0}, vendor_5052_count=0] [L4245] COND FALSE !((unsigned int )i < (_min1 < _min2 ? _min1 : _min2)) [L4249] j = 5 [L4250] i = 0 VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={62612:62514}, _min1=0, _min2=0, c=17, closing_wait=4000, debug=0, i=0, j=5, LDV_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_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_usb=0, ldv_usb_s=0, product_3410={278:0}, product_3410_count=0, product_5052={280:0}, product_5052_count=0, ref_cnt=0, ti_1port_device={285:0}, ti_1port_device_group0={0:0}, ti_1port_device_group1={0:0}, ti_1port_device_group2={0:0}, ti_1port_device_group3={0:0}, ti_1port_device_group4={0:0}, ti_2port_device={286:0}, ti_2port_device_group0={0:0}, ti_2port_device_group1={0:0}, ti_2port_device_group2={0:0}, ti_2port_device_group3={0:0}, ti_2port_device_group4={0:0}, ti_id_table_3410={281:0}, ti_id_table_5052={282:0}, ti_id_table_combined={283:0}, ti_usb_driver={284:0}, ti_usb_driver_group1={0:0}, usb_counter=0, vendor_3410={277:0}, vendor_3410_count=0, vendor_5052={279:0}, vendor_5052_count=0] [L4263] _min1___0 = vendor_5052_count [L4264] _min2___0 = product_5052_count VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={62612:62514}, _min1=0, _min1___0=0, _min2=0, _min2___0=0, c=17, closing_wait=4000, debug=0, i=0, j=5, LDV_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_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_usb=0, ldv_usb_s=0, product_3410={278:0}, product_3410_count=0, product_5052={280:0}, product_5052_count=0, ref_cnt=0, ti_1port_device={285:0}, ti_1port_device_group0={0:0}, ti_1port_device_group1={0:0}, ti_1port_device_group2={0:0}, ti_1port_device_group3={0:0}, ti_1port_device_group4={0:0}, ti_2port_device={286:0}, ti_2port_device_group0={0:0}, ti_2port_device_group1={0:0}, ti_2port_device_group2={0:0}, ti_2port_device_group3={0:0}, ti_2port_device_group4={0:0}, ti_id_table_3410={281:0}, ti_id_table_5052={282:0}, ti_id_table_combined={283:0}, ti_usb_driver={284:0}, ti_usb_driver_group1={0:0}, usb_counter=0, vendor_3410={277:0}, vendor_3410_count=0, vendor_5052={279:0}, vendor_5052_count=0] [L4265] COND FALSE !((unsigned int )i < (_min1___0 < _min2___0 ? _min1___0 : _min2___0)) [L4269] CALL, EXPR ldv_usb_serial_register_2(& ti_1port_device) [L7144] ldv_func_ret_type___0 ldv_func_res ; [L7145] int tmp ; VAL [#in~ldv_func_arg1={285:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={62612:62514}, closing_wait=4000, debug=0, ldv_func_arg1={285:0}, LDV_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_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_usb=0, ldv_usb_s=0, product_3410={278:0}, product_3410_count=0, product_5052={280:0}, product_5052_count=0, ref_cnt=0, ti_1port_device={285:0}, ti_1port_device_group0={0:0}, ti_1port_device_group1={0:0}, ti_1port_device_group2={0:0}, ti_1port_device_group3={0:0}, ti_1port_device_group4={0:0}, ti_2port_device={286:0}, ti_2port_device_group0={0:0}, ti_2port_device_group1={0:0}, ti_2port_device_group2={0:0}, ti_2port_device_group3={0:0}, ti_2port_device_group4={0:0}, ti_id_table_3410={281:0}, ti_id_table_5052={282:0}, ti_id_table_combined={283:0}, ti_usb_driver={284:0}, ti_usb_driver_group1={0:0}, usb_counter=0, vendor_3410={277:0}, vendor_3410_count=0, vendor_5052={279:0}, vendor_5052_count=0] [L7147] CALL, EXPR usb_serial_register(ldv_func_arg1) VAL [#in~arg0={285:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={62612:62514}, closing_wait=4000, debug=0, LDV_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_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_usb=0, ldv_usb_s=0, product_3410={278:0}, product_3410_count=0, product_5052={280:0}, product_5052_count=0, ref_cnt=0, ti_1port_device={285:0}, ti_1port_device_group0={0:0}, ti_1port_device_group1={0:0}, ti_1port_device_group2={0:0}, ti_1port_device_group3={0:0}, ti_1port_device_group4={0:0}, ti_2port_device={286:0}, ti_2port_device_group0={0:0}, ti_2port_device_group1={0:0}, ti_2port_device_group2={0:0}, ti_2port_device_group3={0:0}, ti_2port_device_group4={0:0}, ti_id_table_3410={281:0}, ti_id_table_5052={282:0}, ti_id_table_combined={283:0}, ti_usb_driver={284:0}, ti_usb_driver_group1={0:0}, usb_counter=0, vendor_3410={277:0}, vendor_3410_count=0, vendor_5052={279:0}, vendor_5052_count=0] [L7483] return __VERIFIER_nondet_int(); [L7147] RET, EXPR usb_serial_register(ldv_func_arg1) VAL [#in~ldv_func_arg1={285:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={62612:62514}, closing_wait=4000, debug=0, ldv_func_arg1={285:0}, LDV_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_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_usb=0, ldv_usb_s=0, product_3410={278:0}, product_3410_count=0, product_5052={280:0}, product_5052_count=0, ref_cnt=0, ti_1port_device={285:0}, ti_1port_device_group0={0:0}, ti_1port_device_group1={0:0}, ti_1port_device_group2={0:0}, ti_1port_device_group3={0:0}, ti_1port_device_group4={0:0}, ti_2port_device={286:0}, ti_2port_device_group0={0:0}, ti_2port_device_group1={0:0}, ti_2port_device_group2={0:0}, ti_2port_device_group3={0:0}, ti_2port_device_group4={0:0}, ti_id_table_3410={281:0}, ti_id_table_5052={282:0}, ti_id_table_combined={283:0}, ti_usb_driver={284:0}, ti_usb_driver_group1={0:0}, usb_counter=0, usb_serial_register(ldv_func_arg1)=0, vendor_3410={277:0}, vendor_3410_count=0, vendor_5052={279:0}, vendor_5052_count=0] [L7147] tmp = usb_serial_register(ldv_func_arg1) [L7148] ldv_func_res = tmp VAL [#in~ldv_func_arg1={285:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={62612:62514}, closing_wait=4000, debug=0, ldv_func_arg1={285:0}, 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_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_usb=0, ldv_usb_s=0, product_3410={278:0}, product_3410_count=0, product_5052={280:0}, product_5052_count=0, ref_cnt=0, ti_1port_device={285:0}, ti_1port_device_group0={0:0}, ti_1port_device_group1={0:0}, ti_1port_device_group2={0:0}, ti_1port_device_group3={0:0}, ti_1port_device_group4={0:0}, ti_2port_device={286:0}, ti_2port_device_group0={0:0}, ti_2port_device_group1={0:0}, ti_2port_device_group2={0:0}, ti_2port_device_group3={0:0}, ti_2port_device_group4={0:0}, ti_id_table_3410={281:0}, ti_id_table_5052={282:0}, ti_id_table_combined={283:0}, ti_usb_driver={284:0}, ti_usb_driver_group1={0:0}, tmp=0, usb_counter=0, vendor_3410={277:0}, vendor_3410_count=0, vendor_5052={279:0}, vendor_5052_count=0] [L7149] CALL ldv_s_reg(ldv_func_res) VAL [\old(ldv_usb_s)=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={62612:62514}, closing_wait=4000, debug=0, LDV_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_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_usb=0, ldv_usb_s=0, product_3410={278:0}, product_3410_count=0, product_5052={280:0}, product_5052_count=0, ref_cnt=0, ti_1port_device={285:0}, ti_1port_device_group0={0:0}, ti_1port_device_group1={0:0}, ti_1port_device_group2={0:0}, ti_1port_device_group3={0:0}, ti_1port_device_group4={0:0}, ti_2port_device={286:0}, ti_2port_device_group0={0:0}, ti_2port_device_group1={0:0}, ti_2port_device_group2={0:0}, ti_2port_device_group3={0:0}, ti_2port_device_group4={0:0}, ti_id_table_3410={281:0}, ti_id_table_5052={282:0}, ti_id_table_combined={283:0}, ti_usb_driver={284:0}, ti_usb_driver_group1={0:0}, unknown-#in~res-unknown=0, usb_counter=0, vendor_3410={277:0}, vendor_3410_count=0, vendor_5052={279:0}, vendor_5052_count=0] [L7209] COND TRUE ! res [L7210] ldv_usb_s = 1 [L7149] RET ldv_s_reg(ldv_func_res) VAL [#in~ldv_func_arg1={285:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={62612:62514}, closing_wait=4000, debug=0, ldv_func_arg1={285:0}, 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_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_usb=0, ldv_usb_s=1, product_3410={278:0}, product_3410_count=0, product_5052={280:0}, product_5052_count=0, ref_cnt=0, ti_1port_device={285:0}, ti_1port_device_group0={0:0}, ti_1port_device_group1={0:0}, ti_1port_device_group2={0:0}, ti_1port_device_group3={0:0}, ti_1port_device_group4={0:0}, ti_2port_device={286:0}, ti_2port_device_group0={0:0}, ti_2port_device_group1={0:0}, ti_2port_device_group2={0:0}, ti_2port_device_group3={0:0}, ti_2port_device_group4={0:0}, ti_id_table_3410={281:0}, ti_id_table_5052={282:0}, ti_id_table_combined={283:0}, ti_usb_driver={284:0}, ti_usb_driver_group1={0:0}, tmp=0, usb_counter=0, vendor_3410={277:0}, vendor_3410_count=0, vendor_5052={279:0}, vendor_5052_count=0] [L7150] return (ldv_func_res); [L4269] RET, EXPR ldv_usb_serial_register_2(& ti_1port_device) [L4269] ret = ldv_usb_serial_register_2(& ti_1port_device) [L4270] COND FALSE !(ret != 0) [L4274] CALL, EXPR ldv_usb_serial_register_3(& ti_2port_device) [L7155] ldv_func_ret_type___1 ldv_func_res ; [L7156] int tmp ; VAL [#in~ldv_func_arg1={286:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={62612:62514}, closing_wait=4000, debug=0, ldv_func_arg1={286:0}, LDV_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_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_usb=0, ldv_usb_s=1, product_3410={278:0}, product_3410_count=0, product_5052={280:0}, product_5052_count=0, ref_cnt=0, ti_1port_device={285:0}, ti_1port_device_group0={0:0}, ti_1port_device_group1={0:0}, ti_1port_device_group2={0:0}, ti_1port_device_group3={0:0}, ti_1port_device_group4={0:0}, ti_2port_device={286:0}, ti_2port_device_group0={0:0}, ti_2port_device_group1={0:0}, ti_2port_device_group2={0:0}, ti_2port_device_group3={0:0}, ti_2port_device_group4={0:0}, ti_id_table_3410={281:0}, ti_id_table_5052={282:0}, ti_id_table_combined={283:0}, ti_usb_driver={284:0}, ti_usb_driver_group1={0:0}, usb_counter=0, vendor_3410={277:0}, vendor_3410_count=0, vendor_5052={279:0}, vendor_5052_count=0] [L7158] CALL, EXPR usb_serial_register(ldv_func_arg1) VAL [#in~arg0={286:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={62612:62514}, closing_wait=4000, debug=0, LDV_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_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_usb=0, ldv_usb_s=1, product_3410={278:0}, product_3410_count=0, product_5052={280:0}, product_5052_count=0, ref_cnt=0, ti_1port_device={285:0}, ti_1port_device_group0={0:0}, ti_1port_device_group1={0:0}, ti_1port_device_group2={0:0}, ti_1port_device_group3={0:0}, ti_1port_device_group4={0:0}, ti_2port_device={286:0}, ti_2port_device_group0={0:0}, ti_2port_device_group1={0:0}, ti_2port_device_group2={0:0}, ti_2port_device_group3={0:0}, ti_2port_device_group4={0:0}, ti_id_table_3410={281:0}, ti_id_table_5052={282:0}, ti_id_table_combined={283:0}, ti_usb_driver={284:0}, ti_usb_driver_group1={0:0}, usb_counter=0, vendor_3410={277:0}, vendor_3410_count=0, vendor_5052={279:0}, vendor_5052_count=0] [L7483] return __VERIFIER_nondet_int(); [L7158] RET, EXPR usb_serial_register(ldv_func_arg1) VAL [#in~ldv_func_arg1={286:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={62612:62514}, closing_wait=4000, debug=0, ldv_func_arg1={286:0}, LDV_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_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_usb=0, ldv_usb_s=1, product_3410={278:0}, product_3410_count=0, product_5052={280:0}, product_5052_count=0, ref_cnt=0, ti_1port_device={285:0}, ti_1port_device_group0={0:0}, ti_1port_device_group1={0:0}, ti_1port_device_group2={0:0}, ti_1port_device_group3={0:0}, ti_1port_device_group4={0:0}, ti_2port_device={286:0}, ti_2port_device_group0={0:0}, ti_2port_device_group1={0:0}, ti_2port_device_group2={0:0}, ti_2port_device_group3={0:0}, ti_2port_device_group4={0:0}, ti_id_table_3410={281:0}, ti_id_table_5052={282:0}, ti_id_table_combined={283:0}, ti_usb_driver={284:0}, ti_usb_driver_group1={0:0}, usb_counter=0, usb_serial_register(ldv_func_arg1)=0, vendor_3410={277:0}, vendor_3410_count=0, vendor_5052={279:0}, vendor_5052_count=0] [L7158] tmp = usb_serial_register(ldv_func_arg1) [L7159] ldv_func_res = tmp VAL [#in~ldv_func_arg1={286:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={62612:62514}, closing_wait=4000, debug=0, ldv_func_arg1={286:0}, 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_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_usb=0, ldv_usb_s=1, product_3410={278:0}, product_3410_count=0, product_5052={280:0}, product_5052_count=0, ref_cnt=0, ti_1port_device={285:0}, ti_1port_device_group0={0:0}, ti_1port_device_group1={0:0}, ti_1port_device_group2={0:0}, ti_1port_device_group3={0:0}, ti_1port_device_group4={0:0}, ti_2port_device={286:0}, ti_2port_device_group0={0:0}, ti_2port_device_group1={0:0}, ti_2port_device_group2={0:0}, ti_2port_device_group3={0:0}, ti_2port_device_group4={0:0}, ti_id_table_3410={281:0}, ti_id_table_5052={282:0}, ti_id_table_combined={283:0}, ti_usb_driver={284:0}, ti_usb_driver_group1={0:0}, tmp=0, usb_counter=0, vendor_3410={277:0}, vendor_3410_count=0, vendor_5052={279:0}, vendor_5052_count=0] [L7160] CALL ldv_s_reg(ldv_func_res) VAL [\old(ldv_usb_s)=1, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={62612:62514}, closing_wait=4000, debug=0, LDV_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_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_usb=0, ldv_usb_s=1, product_3410={278:0}, product_3410_count=0, product_5052={280:0}, product_5052_count=0, ref_cnt=0, ti_1port_device={285:0}, ti_1port_device_group0={0:0}, ti_1port_device_group1={0:0}, ti_1port_device_group2={0:0}, ti_1port_device_group3={0:0}, ti_1port_device_group4={0:0}, ti_2port_device={286:0}, ti_2port_device_group0={0:0}, ti_2port_device_group1={0:0}, ti_2port_device_group2={0:0}, ti_2port_device_group3={0:0}, ti_2port_device_group4={0:0}, ti_id_table_3410={281:0}, ti_id_table_5052={282:0}, ti_id_table_combined={283:0}, ti_usb_driver={284:0}, ti_usb_driver_group1={0:0}, unknown-#in~res-unknown=0, usb_counter=0, vendor_3410={277:0}, vendor_3410_count=0, vendor_5052={279:0}, vendor_5052_count=0] [L7209] COND TRUE ! res [L7210] ldv_usb_s = 1 [L7160] RET ldv_s_reg(ldv_func_res) VAL [#in~ldv_func_arg1={286:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={62612:62514}, closing_wait=4000, debug=0, ldv_func_arg1={286:0}, 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_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_usb=0, ldv_usb_s=1, product_3410={278:0}, product_3410_count=0, product_5052={280:0}, product_5052_count=0, ref_cnt=0, ti_1port_device={285:0}, ti_1port_device_group0={0:0}, ti_1port_device_group1={0:0}, ti_1port_device_group2={0:0}, ti_1port_device_group3={0:0}, ti_1port_device_group4={0:0}, ti_2port_device={286:0}, ti_2port_device_group0={0:0}, ti_2port_device_group1={0:0}, ti_2port_device_group2={0:0}, ti_2port_device_group3={0:0}, ti_2port_device_group4={0:0}, ti_id_table_3410={281:0}, ti_id_table_5052={282:0}, ti_id_table_combined={283:0}, ti_usb_driver={284:0}, ti_usb_driver_group1={0:0}, tmp=0, usb_counter=0, vendor_3410={277:0}, vendor_3410_count=0, vendor_5052={279:0}, vendor_5052_count=0] [L7161] return (ldv_func_res); [L4274] RET, EXPR ldv_usb_serial_register_3(& ti_2port_device) [L4274] ret = ldv_usb_serial_register_3(& ti_2port_device) [L4275] COND FALSE !(ret != 0) [L4279] CALL, EXPR usb_register(& ti_usb_driver) [L3568] int tmp ; [L3570] CALL, EXPR ldv_usb_register_driver_1(driver, & __this_module, "ti_usb_3410_5052") [L7133] ldv_func_ret_type ldv_func_res ; [L7134] int tmp ; [L7136] CALL, EXPR usb_register_driver(ldv_func_arg1, ldv_func_arg2, ldv_func_arg3) [L7465] return __VERIFIER_nondet_int(); [L7136] RET, EXPR usb_register_driver(ldv_func_arg1, ldv_func_arg2, ldv_func_arg3) [L7136] tmp = usb_register_driver(ldv_func_arg1, ldv_func_arg2, ldv_func_arg3) [L7137] ldv_func_res = tmp [L7138] CALL ldv_reg(ldv_func_res) [L7219] COND FALSE !(! res) [L7138] RET ldv_reg(ldv_func_res) [L7139] return (ldv_func_res); [L3570] RET, EXPR ldv_usb_register_driver_1(driver, & __this_module, "ti_usb_3410_5052") [L3570] tmp = ldv_usb_register_driver_1(driver, & __this_module, "ti_usb_3410_5052") [L3571] return (tmp); [L4279] RET, EXPR usb_register(& ti_usb_driver) [L4279] ret = usb_register(& ti_usb_driver) [L4280] COND TRUE ret != 0 [L4287] CALL ldv_usb_serial_deregister_4(& ti_2port_device) [L7167] CALL ldv_s_der() VAL [\old(ldv_usb_s)=1, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={62612:62514}, closing_wait=4000, debug=0, LDV_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_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_usb=0, ldv_usb_s=1, product_3410={278:0}, product_3410_count=0, product_5052={280:0}, product_5052_count=0, ref_cnt=0, ti_1port_device={285:0}, ti_1port_device_group0={0:0}, ti_1port_device_group1={0:0}, ti_1port_device_group2={0:0}, ti_1port_device_group3={0:0}, ti_1port_device_group4={0:0}, ti_2port_device={286:0}, ti_2port_device_group0={0:0}, ti_2port_device_group1={0:0}, ti_2port_device_group2={0:0}, ti_2port_device_group3={0:0}, ti_2port_device_group4={0:0}, ti_id_table_3410={281:0}, ti_id_table_5052={282:0}, ti_id_table_combined={283:0}, ti_usb_driver={284:0}, ti_usb_driver_group1={0:0}, usb_counter=0, vendor_3410={277:0}, vendor_3410_count=0, vendor_5052={279:0}, vendor_5052_count=0] [L7239] COND TRUE ldv_usb == 0 VAL [\old(ldv_usb_s)=1, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={62612:62514}, closing_wait=4000, debug=0, LDV_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_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_usb=0, ldv_usb_s=1, product_3410={278:0}, product_3410_count=0, product_5052={280:0}, product_5052_count=0, ref_cnt=0, ti_1port_device={285:0}, ti_1port_device_group0={0:0}, ti_1port_device_group1={0:0}, ti_1port_device_group2={0:0}, ti_1port_device_group3={0:0}, ti_1port_device_group4={0:0}, ti_2port_device={286:0}, ti_2port_device_group0={0:0}, ti_2port_device_group1={0:0}, ti_2port_device_group2={0:0}, ti_2port_device_group3={0:0}, ti_2port_device_group4={0:0}, ti_id_table_3410={281:0}, ti_id_table_5052={282:0}, ti_id_table_combined={283:0}, ti_usb_driver={284:0}, ti_usb_driver_group1={0:0}, usb_counter=0, vendor_3410={277:0}, vendor_3410_count=0, vendor_5052={279:0}, vendor_5052_count=0] [L7243] COND TRUE ldv_usb_s == 1 VAL [\old(ldv_usb_s)=1, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={62612:62514}, closing_wait=4000, debug=0, LDV_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_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_usb=0, ldv_usb_s=1, product_3410={278:0}, product_3410_count=0, product_5052={280:0}, product_5052_count=0, ref_cnt=0, ti_1port_device={285:0}, ti_1port_device_group0={0:0}, ti_1port_device_group1={0:0}, ti_1port_device_group2={0:0}, ti_1port_device_group3={0:0}, ti_1port_device_group4={0:0}, ti_2port_device={286:0}, ti_2port_device_group0={0:0}, ti_2port_device_group1={0:0}, ti_2port_device_group2={0:0}, ti_2port_device_group3={0:0}, ti_2port_device_group4={0:0}, ti_id_table_3410={281:0}, ti_id_table_5052={282:0}, ti_id_table_combined={283:0}, ti_usb_driver={284:0}, ti_usb_driver_group1={0:0}, usb_counter=0, vendor_3410={277:0}, vendor_3410_count=0, vendor_5052={279:0}, vendor_5052_count=0] [L7247] ldv_usb_s = 0 [L7167] RET ldv_s_der() VAL [#in~ldv_func_arg1={286:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={62612:62514}, closing_wait=4000, debug=0, ldv_func_arg1={286:0}, LDV_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_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_usb=0, ldv_usb_s=0, product_3410={278:0}, product_3410_count=0, product_5052={280:0}, product_5052_count=0, ref_cnt=0, ti_1port_device={285:0}, ti_1port_device_group0={0:0}, ti_1port_device_group1={0:0}, ti_1port_device_group2={0:0}, ti_1port_device_group3={0:0}, ti_1port_device_group4={0:0}, ti_2port_device={286:0}, ti_2port_device_group0={0:0}, ti_2port_device_group1={0:0}, ti_2port_device_group2={0:0}, ti_2port_device_group3={0:0}, ti_2port_device_group4={0:0}, ti_id_table_3410={281:0}, ti_id_table_5052={282:0}, ti_id_table_combined={283:0}, ti_usb_driver={284:0}, ti_usb_driver_group1={0:0}, usb_counter=0, vendor_3410={277:0}, vendor_3410_count=0, vendor_5052={279:0}, vendor_5052_count=0] [L7168] FCALL usb_serial_deregister(ldv_func_arg1) VAL [#in~ldv_func_arg1={286:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={62612:62514}, closing_wait=4000, debug=0, ldv_func_arg1={286:0}, LDV_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_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_usb=0, ldv_usb_s=0, product_3410={278:0}, product_3410_count=0, product_5052={280:0}, product_5052_count=0, ref_cnt=0, ti_1port_device={285:0}, ti_1port_device_group0={0:0}, ti_1port_device_group1={0:0}, ti_1port_device_group2={0:0}, ti_1port_device_group3={0:0}, ti_1port_device_group4={0:0}, ti_2port_device={286:0}, ti_2port_device_group0={0:0}, ti_2port_device_group1={0:0}, ti_2port_device_group2={0:0}, ti_2port_device_group3={0:0}, ti_2port_device_group4={0:0}, ti_id_table_3410={281:0}, ti_id_table_5052={282:0}, ti_id_table_combined={283:0}, ti_usb_driver={284:0}, ti_usb_driver_group1={0:0}, usb_counter=0, vendor_3410={277:0}, vendor_3410_count=0, vendor_5052={279:0}, vendor_5052_count=0] [L4287] RET ldv_usb_serial_deregister_4(& ti_2port_device) [L4289] CALL ldv_usb_serial_deregister_5(& ti_1port_device) [L7175] CALL ldv_s_der() VAL [\old(ldv_usb_s)=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={62612:62514}, closing_wait=4000, debug=0, LDV_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_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_usb=0, ldv_usb_s=0, product_3410={278:0}, product_3410_count=0, product_5052={280:0}, product_5052_count=0, ref_cnt=0, ti_1port_device={285:0}, ti_1port_device_group0={0:0}, ti_1port_device_group1={0:0}, ti_1port_device_group2={0:0}, ti_1port_device_group3={0:0}, ti_1port_device_group4={0:0}, ti_2port_device={286:0}, ti_2port_device_group0={0:0}, ti_2port_device_group1={0:0}, ti_2port_device_group2={0:0}, ti_2port_device_group3={0:0}, ti_2port_device_group4={0:0}, ti_id_table_3410={281:0}, ti_id_table_5052={282:0}, ti_id_table_combined={283:0}, ti_usb_driver={284:0}, ti_usb_driver_group1={0:0}, usb_counter=0, vendor_3410={277:0}, vendor_3410_count=0, vendor_5052={279:0}, vendor_5052_count=0] [L7239] COND TRUE ldv_usb == 0 VAL [\old(ldv_usb_s)=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={62612:62514}, closing_wait=4000, debug=0, LDV_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_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_usb=0, ldv_usb_s=0, product_3410={278:0}, product_3410_count=0, product_5052={280:0}, product_5052_count=0, ref_cnt=0, ti_1port_device={285:0}, ti_1port_device_group0={0:0}, ti_1port_device_group1={0:0}, ti_1port_device_group2={0:0}, ti_1port_device_group3={0:0}, ti_1port_device_group4={0:0}, ti_2port_device={286:0}, ti_2port_device_group0={0:0}, ti_2port_device_group1={0:0}, ti_2port_device_group2={0:0}, ti_2port_device_group3={0:0}, ti_2port_device_group4={0:0}, ti_id_table_3410={281:0}, ti_id_table_5052={282:0}, ti_id_table_combined={283:0}, ti_usb_driver={284:0}, ti_usb_driver_group1={0:0}, usb_counter=0, vendor_3410={277:0}, vendor_3410_count=0, vendor_5052={279:0}, vendor_5052_count=0] [L7243] COND FALSE !(ldv_usb_s == 1) VAL [\old(ldv_usb_s)=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={62612:62514}, closing_wait=4000, debug=0, LDV_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_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_usb=0, ldv_usb_s=0, product_3410={278:0}, product_3410_count=0, product_5052={280:0}, product_5052_count=0, ref_cnt=0, ti_1port_device={285:0}, ti_1port_device_group0={0:0}, ti_1port_device_group1={0:0}, ti_1port_device_group2={0:0}, ti_1port_device_group3={0:0}, ti_1port_device_group4={0:0}, ti_2port_device={286:0}, ti_2port_device_group0={0:0}, ti_2port_device_group1={0:0}, ti_2port_device_group2={0:0}, ti_2port_device_group3={0:0}, ti_2port_device_group4={0:0}, ti_id_table_3410={281:0}, ti_id_table_5052={282:0}, ti_id_table_combined={283:0}, ti_usb_driver={284:0}, ti_usb_driver_group1={0:0}, usb_counter=0, vendor_3410={277:0}, vendor_3410_count=0, vendor_5052={279:0}, vendor_5052_count=0] [L7245] CALL ldv_error() VAL [\old(ldv_usb_s)=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={62612:62514}, closing_wait=4000, debug=0, LDV_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_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_usb=0, ldv_usb_s=0, product_3410={278:0}, product_3410_count=0, product_5052={280:0}, product_5052_count=0, ref_cnt=0, ti_1port_device={285:0}, ti_1port_device_group0={0:0}, ti_1port_device_group1={0:0}, ti_1port_device_group2={0:0}, ti_1port_device_group3={0:0}, ti_1port_device_group4={0:0}, ti_2port_device={286:0}, ti_2port_device_group0={0:0}, ti_2port_device_group1={0:0}, ti_2port_device_group2={0:0}, ti_2port_device_group3={0:0}, ti_2port_device_group4={0:0}, ti_id_table_3410={281:0}, ti_id_table_5052={282:0}, ti_id_table_combined={283:0}, ti_usb_driver={284:0}, ti_usb_driver_group1={0:0}, usb_counter=0, vendor_3410={277:0}, vendor_3410_count=0, vendor_5052={279:0}, vendor_5052_count=0] [L3977] reach_error() VAL [\old(ldv_usb_s)=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={62612:62514}, closing_wait=4000, debug=0, LDV_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_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_usb=0, ldv_usb_s=0, product_3410={278:0}, product_3410_count=0, product_5052={280:0}, product_5052_count=0, ref_cnt=0, ti_1port_device={285:0}, ti_1port_device_group0={0:0}, ti_1port_device_group1={0:0}, ti_1port_device_group2={0:0}, ti_1port_device_group3={0:0}, ti_1port_device_group4={0:0}, ti_2port_device={286:0}, ti_2port_device_group0={0:0}, ti_2port_device_group1={0:0}, ti_2port_device_group2={0:0}, ti_2port_device_group3={0:0}, ti_2port_device_group4={0:0}, ti_id_table_3410={281:0}, ti_id_table_5052={282:0}, ti_id_table_combined={283:0}, ti_usb_driver={284:0}, ti_usb_driver_group1={0:0}, usb_counter=0, vendor_3410={277:0}, vendor_3410_count=0, vendor_5052={279:0}, vendor_5052_count=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 78 procedures, 1197 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 160.9s, OverallIterations: 8, TraceHistogramMax: 5, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 143.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 15 mSolverCounterUnknown, 28767 SdHoareTripleChecker+Valid, 139.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 27922 mSDsluCounter, 35518 SdHoareTripleChecker+Invalid, 133.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 20307 mSDsCounter, 11289 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 16245 IncrementalHoareTripleChecker+Invalid, 27549 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 11289 mSolverCounterUnsat, 15211 mSDtfsCounter, 16245 mSolverCounterSat, 0.4s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 121 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=5566occurred in iteration=5, InterpolantAutomatonStates: 43, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 2.3s AutomataMinimizationTime, 7 MinimizatonAttempts, 3181 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 2.5s SatisfiabilityAnalysisTime, 8.0s InterpolantComputationTime, 564 NumberOfCodeBlocks, 564 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 480 ConstructedInterpolants, 0 QuantifiedInterpolants, 876 SizeOfPredicates, 11 NumberOfNonLiveVariables, 4341 ConjunctsInSsa, 44 ConjunctsInUnsatCore, 8 InterpolantComputations, 7 PerfectInterpolantSequences, 339/340 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 [2022-11-23 15:44:11,647 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa0afbb-5b8e-41f1-ba88-5702999c2324/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa0afbb-5b8e-41f1-ba88-5702999c2324/bin/utaipan-Q6hlc19bkW/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa0afbb-5b8e-41f1-ba88-5702999c2324/bin/utaipan-Q6hlc19bkW/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa0afbb-5b8e-41f1-ba88-5702999c2324/bin/utaipan-Q6hlc19bkW/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa0afbb-5b8e-41f1-ba88-5702999c2324/bin/utaipan-Q6hlc19bkW/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-validator-v0.6/linux-stable-5742d35-1-136_1a-drivers--usb--serial--ti_usb_3410_5052.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa0afbb-5b8e-41f1-ba88-5702999c2324/bin/utaipan-Q6hlc19bkW/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa0afbb-5b8e-41f1-ba88-5702999c2324/bin/utaipan-Q6hlc19bkW --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 Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 4d5b4b32fa0da80203e2a18166964cfde265e42cc1a9ca2751016d17ee22d414 --- 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-4e7fbc6 [2022-11-23 15:44:14,491 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 15:44:14,494 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 15:44:14,549 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 15:44:14,550 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 15:44:14,551 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 15:44:14,553 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 15:44:14,555 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 15:44:14,558 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 15:44:14,559 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 15:44:14,560 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 15:44:14,562 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 15:44:14,563 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 15:44:14,564 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 15:44:14,565 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 15:44:14,567 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 15:44:14,568 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 15:44:14,569 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 15:44:14,571 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 15:44:14,574 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 15:44:14,576 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 15:44:14,577 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 15:44:14,579 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 15:44:14,580 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 15:44:14,585 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 15:44:14,585 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 15:44:14,586 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 15:44:14,587 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 15:44:14,587 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 15:44:14,589 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 15:44:14,589 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 15:44:14,590 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 15:44:14,591 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 15:44:14,592 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 15:44:14,594 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 15:44:14,594 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 15:44:14,595 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 15:44:14,596 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 15:44:14,596 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 15:44:14,597 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 15:44:14,598 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 15:44:14,600 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa0afbb-5b8e-41f1-ba88-5702999c2324/bin/utaipan-Q6hlc19bkW/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2022-11-23 15:44:14,627 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 15:44:14,628 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 15:44:14,628 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 15:44:14,628 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 15:44:14,629 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-23 15:44:14,630 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-23 15:44:14,630 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-23 15:44:14,630 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-23 15:44:14,630 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-23 15:44:14,631 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-23 15:44:14,631 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-23 15:44:14,631 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-23 15:44:14,632 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 15:44:14,633 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 15:44:14,633 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-23 15:44:14,633 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-23 15:44:14,634 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-23 15:44:14,634 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-23 15:44:14,634 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-23 15:44:14,635 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-23 15:44:14,635 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-23 15:44:14,635 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 15:44:14,636 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-23 15:44:14,636 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 15:44:14,636 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-23 15:44:14,637 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-23 15:44:14,637 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 15:44:14,638 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 15:44:14,638 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-23 15:44:14,638 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-23 15:44:14,638 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-23 15:44:14,639 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-23 15:44:14,639 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-23 15:44:14,639 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-23 15:44:14,639 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-23 15:44:14,640 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_2aa0afbb-5b8e-41f1-ba88-5702999c2324/bin/utaipan-Q6hlc19bkW/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa0afbb-5b8e-41f1-ba88-5702999c2324/bin/utaipan-Q6hlc19bkW Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4d5b4b32fa0da80203e2a18166964cfde265e42cc1a9ca2751016d17ee22d414 [2022-11-23 15:44:15,080 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 15:44:15,120 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 15:44:15,124 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 15:44:15,126 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 15:44:15,126 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 15:44:15,133 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa0afbb-5b8e-41f1-ba88-5702999c2324/bin/utaipan-Q6hlc19bkW/../../sv-benchmarks/c/ldv-validator-v0.6/linux-stable-5742d35-1-136_1a-drivers--usb--serial--ti_usb_3410_5052.ko-entry_point.cil.out.i [2022-11-23 15:44:18,666 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 15:44:19,385 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 15:44:19,385 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa0afbb-5b8e-41f1-ba88-5702999c2324/sv-benchmarks/c/ldv-validator-v0.6/linux-stable-5742d35-1-136_1a-drivers--usb--serial--ti_usb_3410_5052.ko-entry_point.cil.out.i [2022-11-23 15:44:19,434 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa0afbb-5b8e-41f1-ba88-5702999c2324/bin/utaipan-Q6hlc19bkW/data/5cbba2b8b/4ee38b706c0d4db1b0c9aa0f900e747c/FLAG363ce89ac [2022-11-23 15:44:19,459 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa0afbb-5b8e-41f1-ba88-5702999c2324/bin/utaipan-Q6hlc19bkW/data/5cbba2b8b/4ee38b706c0d4db1b0c9aa0f900e747c [2022-11-23 15:44:19,462 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 15:44:19,464 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 15:44:19,466 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 15:44:19,466 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 15:44:19,470 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 15:44:19,471 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:44:19" (1/1) ... [2022-11-23 15:44:19,472 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@565ac421 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:44:19, skipping insertion in model container [2022-11-23 15:44:19,472 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:44:19" (1/1) ... [2022-11-23 15:44:19,481 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 15:44:19,681 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 15:44:21,097 WARN L237 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_2aa0afbb-5b8e-41f1-ba88-5702999c2324/sv-benchmarks/c/ldv-validator-v0.6/linux-stable-5742d35-1-136_1a-drivers--usb--serial--ti_usb_3410_5052.ko-entry_point.cil.out.i[110947,110960] [2022-11-23 15:44:21,856 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 15:44:21,927 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-11-23 15:44:21,971 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 15:44:22,115 WARN L237 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_2aa0afbb-5b8e-41f1-ba88-5702999c2324/sv-benchmarks/c/ldv-validator-v0.6/linux-stable-5742d35-1-136_1a-drivers--usb--serial--ti_usb_3410_5052.ko-entry_point.cil.out.i[110947,110960] [2022-11-23 15:44:22,411 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 15:44:22,466 INFO L203 MainTranslator]: Completed pre-run [2022-11-23 15:44:22,688 WARN L237 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_2aa0afbb-5b8e-41f1-ba88-5702999c2324/sv-benchmarks/c/ldv-validator-v0.6/linux-stable-5742d35-1-136_1a-drivers--usb--serial--ti_usb_3410_5052.ko-entry_point.cil.out.i[110947,110960] [2022-11-23 15:44:22,963 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 15:44:23,113 INFO L208 MainTranslator]: Completed translation [2022-11-23 15:44:23,114 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:44:23 WrapperNode [2022-11-23 15:44:23,115 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-23 15:44:23,116 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-23 15:44:23,117 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-23 15:44:23,117 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-23 15:44:23,128 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:44:23" (1/1) ... [2022-11-23 15:44:23,230 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:44:23" (1/1) ... [2022-11-23 15:44:23,440 INFO L138 Inliner]: procedures = 219, calls = 2337, calls flagged for inlining = 84, calls inlined = 84, statements flattened = 4806 [2022-11-23 15:44:23,441 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-23 15:44:23,443 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-23 15:44:23,444 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-23 15:44:23,444 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-23 15:44:23,456 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:44:23" (1/1) ... [2022-11-23 15:44:23,456 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:44:23" (1/1) ... [2022-11-23 15:44:23,514 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:44:23" (1/1) ... [2022-11-23 15:44:23,517 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:44:23" (1/1) ... [2022-11-23 15:44:23,650 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:44:23" (1/1) ... [2022-11-23 15:44:23,681 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:44:23" (1/1) ... [2022-11-23 15:44:23,713 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:44:23" (1/1) ... [2022-11-23 15:44:23,736 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:44:23" (1/1) ... [2022-11-23 15:44:23,777 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-23 15:44:23,780 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-23 15:44:23,780 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-23 15:44:23,780 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-23 15:44:23,781 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:44:23" (1/1) ... [2022-11-23 15:44:23,789 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 15:44:23,806 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa0afbb-5b8e-41f1-ba88-5702999c2324/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 15:44:23,820 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa0afbb-5b8e-41f1-ba88-5702999c2324/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-23 15:44:23,825 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa0afbb-5b8e-41f1-ba88-5702999c2324/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-23 15:44:23,870 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-11-23 15:44:23,870 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2022-11-23 15:44:23,871 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2022-11-23 15:44:23,871 INFO L130 BoogieDeclarations]: Found specification of procedure ti_bulk_in_callback [2022-11-23 15:44:23,871 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_bulk_in_callback [2022-11-23 15:44:23,871 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2022-11-23 15:44:23,871 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2022-11-23 15:44:23,872 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-11-23 15:44:23,872 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2022-11-23 15:44:23,872 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-11-23 15:44:23,872 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-23 15:44:23,872 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-11-23 15:44:23,873 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-23 15:44:23,873 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-23 15:44:23,873 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-23 15:44:23,873 INFO L130 BoogieDeclarations]: Found specification of procedure tty_kref_put [2022-11-23 15:44:23,873 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_kref_put [2022-11-23 15:44:23,873 INFO L130 BoogieDeclarations]: Found specification of procedure ti_throttle [2022-11-23 15:44:23,874 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_throttle [2022-11-23 15:44:23,874 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-11-23 15:44:23,874 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-11-23 15:44:23,874 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-23 15:44:23,874 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-23 15:44:23,875 INFO L130 BoogieDeclarations]: Found specification of procedure ti_bulk_out_callback [2022-11-23 15:44:23,875 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_bulk_out_callback [2022-11-23 15:44:23,875 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible_nested [2022-11-23 15:44:23,875 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible_nested [2022-11-23 15:44:23,875 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_serial_port_data [2022-11-23 15:44:23,875 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_serial_port_data [2022-11-23 15:44:23,876 INFO L130 BoogieDeclarations]: Found specification of procedure ti_set_mcr [2022-11-23 15:44:23,876 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_set_mcr [2022-11-23 15:44:23,876 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-11-23 15:44:23,876 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-11-23 15:44:23,876 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-23 15:44:23,877 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-23 15:44:23,877 INFO L130 BoogieDeclarations]: Found specification of procedure ti_startup [2022-11-23 15:44:23,877 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_startup [2022-11-23 15:44:23,877 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-23 15:44:23,877 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-23 15:44:23,878 INFO L130 BoogieDeclarations]: Found specification of procedure ti_ioctl [2022-11-23 15:44:23,878 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_ioctl [2022-11-23 15:44:23,878 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-23 15:44:23,878 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-23 15:44:23,878 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_detach_2 [2022-11-23 15:44:23,878 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_detach_2 [2022-11-23 15:44:23,879 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_detach_1 [2022-11-23 15:44:23,879 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_detach_1 [2022-11-23 15:44:23,879 INFO L130 BoogieDeclarations]: Found specification of procedure ti_tiocmget [2022-11-23 15:44:23,879 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_tiocmget [2022-11-23 15:44:23,879 INFO L130 BoogieDeclarations]: Found specification of procedure msleep_interruptible [2022-11-23 15:44:23,879 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep_interruptible [2022-11-23 15:44:23,880 INFO L130 BoogieDeclarations]: Found specification of procedure __kfifo_free [2022-11-23 15:44:23,880 INFO L138 BoogieDeclarations]: Found implementation of procedure __kfifo_free [2022-11-23 15:44:23,880 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_debug_data [2022-11-23 15:44:23,880 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_debug_data [2022-11-23 15:44:23,880 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-23 15:44:23,881 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-23 15:44:23,881 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-23 15:44:23,881 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_serial_data [2022-11-23 15:44:23,881 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_serial_data [2022-11-23 15:44:23,881 INFO L130 BoogieDeclarations]: Found specification of procedure ti_break [2022-11-23 15:44:23,882 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_break [2022-11-23 15:44:23,882 INFO L130 BoogieDeclarations]: Found specification of procedure __swab16s [2022-11-23 15:44:23,882 INFO L138 BoogieDeclarations]: Found implementation of procedure __swab16s [2022-11-23 15:44:23,882 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-23 15:44:23,882 INFO L130 BoogieDeclarations]: Found specification of procedure signal_pending [2022-11-23 15:44:23,883 INFO L138 BoogieDeclarations]: Found implementation of procedure signal_pending [2022-11-23 15:44:23,883 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-23 15:44:23,883 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-23 15:44:23,883 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-11-23 15:44:23,883 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-11-23 15:44:23,884 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-23 15:44:23,884 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-11-23 15:44:23,884 INFO L130 BoogieDeclarations]: Found specification of procedure ti_write [2022-11-23 15:44:23,884 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_write [2022-11-23 15:44:23,884 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-23 15:44:23,885 INFO L130 BoogieDeclarations]: Found specification of procedure ti_restart_read [2022-11-23 15:44:23,885 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_restart_read [2022-11-23 15:44:23,885 INFO L130 BoogieDeclarations]: Found specification of procedure trace_kmalloc [2022-11-23 15:44:23,885 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_kmalloc [2022-11-23 15:44:23,885 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2022-11-23 15:44:23,886 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2022-11-23 15:44:23,886 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2022-11-23 15:44:23,886 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-23 15:44:23,886 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-11-23 15:44:23,886 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-11-23 15:44:23,887 INFO L130 BoogieDeclarations]: Found specification of procedure ti_release [2022-11-23 15:44:23,887 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_release [2022-11-23 15:44:23,887 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_deregister [2022-11-23 15:44:23,887 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_deregister [2022-11-23 15:44:23,887 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-11-23 15:44:23,888 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-11-23 15:44:23,888 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_s_reg [2022-11-23 15:44:23,888 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_s_reg [2022-11-23 15:44:23,888 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-11-23 15:44:23,888 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-11-23 15:44:23,889 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2022-11-23 15:44:23,889 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2022-11-23 15:44:23,889 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-11-23 15:44:23,889 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-11-23 15:44:23,889 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-11-23 15:44:23,890 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-11-23 15:44:23,890 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_tty_get [2022-11-23 15:44:23,890 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_port_tty_get [2022-11-23 15:44:23,890 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-11-23 15:44:23,890 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-11-23 15:44:23,891 INFO L130 BoogieDeclarations]: Found specification of procedure usb_clear_halt [2022-11-23 15:44:23,891 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_clear_halt [2022-11-23 15:44:23,891 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-11-23 15:44:23,891 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-11-23 15:44:23,891 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2022-11-23 15:44:23,892 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2022-11-23 15:44:23,892 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_serial_port_data [2022-11-23 15:44:23,892 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_serial_port_data [2022-11-23 15:44:23,892 INFO L130 BoogieDeclarations]: Found specification of procedure ti_command_out_sync [2022-11-23 15:44:23,892 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_command_out_sync [2022-11-23 15:44:23,893 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2022-11-23 15:44:23,893 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2022-11-23 15:44:23,893 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2022-11-23 15:44:23,893 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2022-11-23 15:44:23,893 INFO L130 BoogieDeclarations]: Found specification of procedure ti_open [2022-11-23 15:44:23,894 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_open [2022-11-23 15:44:23,894 INFO L130 BoogieDeclarations]: Found specification of procedure ti_tiocmset [2022-11-23 15:44:23,894 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_tiocmset [2022-11-23 15:44:23,894 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-23 15:44:23,894 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-23 15:44:23,895 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2022-11-23 15:44:23,895 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2022-11-23 15:44:23,895 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_s_der [2022-11-23 15:44:23,895 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_s_der [2022-11-23 15:44:23,895 INFO L130 BoogieDeclarations]: Found specification of procedure ti_write_byte [2022-11-23 15:44:23,896 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_write_byte [2022-11-23 15:44:23,896 INFO L130 BoogieDeclarations]: Found specification of procedure ti_chars_in_buffer [2022-11-23 15:44:23,896 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_chars_in_buffer [2022-11-23 15:44:23,896 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-11-23 15:44:23,897 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-11-23 15:44:23,897 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-11-23 15:44:23,897 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-11-23 15:44:23,897 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-23 15:44:23,897 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-23 15:44:23,898 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2022-11-23 15:44:23,898 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2022-11-23 15:44:23,898 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_register [2022-11-23 15:44:23,898 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_register [2022-11-23 15:44:23,898 INFO L130 BoogieDeclarations]: Found specification of procedure ti_write_room [2022-11-23 15:44:23,899 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_write_room [2022-11-23 15:44:23,899 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-23 15:44:23,899 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_alloc_notrace [2022-11-23 15:44:23,899 INFO L130 BoogieDeclarations]: Found specification of procedure ti_interrupt_callback [2022-11-23 15:44:23,899 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_interrupt_callback [2022-11-23 15:44:23,900 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-23 15:44:23,900 INFO L130 BoogieDeclarations]: Found specification of procedure tty_wakeup [2022-11-23 15:44:23,900 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_wakeup [2022-11-23 15:44:23,900 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-23 15:44:23,901 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-23 15:44:23,901 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-11-23 15:44:23,901 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-11-23 15:44:23,901 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-11-23 15:44:23,902 INFO L130 BoogieDeclarations]: Found specification of procedure ti_close [2022-11-23 15:44:23,902 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_close [2022-11-23 15:44:23,902 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2022-11-23 15:44:23,902 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2022-11-23 15:44:23,903 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2022-11-23 15:44:23,903 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2022-11-23 15:44:23,903 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_sched_notrace [2022-11-23 15:44:23,903 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock_sched_notrace [2022-11-23 15:44:23,903 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2022-11-23 15:44:23,904 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2022-11-23 15:44:23,904 INFO L130 BoogieDeclarations]: Found specification of procedure ti_unthrottle [2022-11-23 15:44:23,904 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_unthrottle [2022-11-23 15:44:23,904 INFO L130 BoogieDeclarations]: Found specification of procedure request_firmware [2022-11-23 15:44:23,904 INFO L138 BoogieDeclarations]: Found implementation of procedure request_firmware [2022-11-23 15:44:23,905 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-11-23 15:44:23,905 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-11-23 15:44:23,905 INFO L130 BoogieDeclarations]: Found specification of procedure ti_send [2022-11-23 15:44:23,905 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_send [2022-11-23 15:44:23,905 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2022-11-23 15:44:23,906 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2022-11-23 15:44:23,906 INFO L130 BoogieDeclarations]: Found specification of procedure ti_drain [2022-11-23 15:44:23,906 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_drain [2022-11-23 15:44:23,906 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-11-23 15:44:23,906 INFO L130 BoogieDeclarations]: Found specification of procedure ti_set_termios [2022-11-23 15:44:23,907 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_set_termios [2022-11-23 15:44:23,907 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_serial_data [2022-11-23 15:44:23,907 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_serial_data [2022-11-23 15:44:23,907 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-23 15:44:23,907 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-23 15:44:24,801 INFO L235 CfgBuilder]: Building ICFG [2022-11-23 15:44:24,805 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-23 15:44:25,343 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-23 15:46:27,929 INFO L276 CfgBuilder]: Performing block encoding [2022-11-23 15:46:27,952 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-23 15:46:27,955 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-23 15:46:27,961 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:46:27 BoogieIcfgContainer [2022-11-23 15:46:27,962 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-23 15:46:27,964 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-23 15:46:27,964 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-23 15:46:27,969 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-23 15:46:27,969 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 03:44:19" (1/3) ... [2022-11-23 15:46:27,971 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3051c40b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:46:27, skipping insertion in model container [2022-11-23 15:46:27,972 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:44:23" (2/3) ... [2022-11-23 15:46:27,973 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3051c40b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:46:27, skipping insertion in model container [2022-11-23 15:46:27,973 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:46:27" (3/3) ... [2022-11-23 15:46:27,975 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-stable-5742d35-1-136_1a-drivers--usb--serial--ti_usb_3410_5052.ko-entry_point.cil.out.i [2022-11-23 15:46:27,994 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-23 15:46:27,994 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-23 15:46:28,104 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-23 15:46:28,113 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=FINITE_AUTOMATA, 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;@360d6146, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-23 15:46:28,114 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-23 15:46:28,127 INFO L276 IsEmpty]: Start isEmpty. Operand has 1559 states, 1133 states have (on average 1.4333627537511033) internal successors, (1624), 1162 states have internal predecessors, (1624), 348 states have call successors, (348), 77 states have call predecessors, (348), 76 states have return successors, (343), 341 states have call predecessors, (343), 343 states have call successors, (343) [2022-11-23 15:46:28,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-11-23 15:46:28,137 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:46:28,138 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:46:28,139 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 15:46:28,142 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:46:28,143 INFO L85 PathProgramCache]: Analyzing trace with hash -1700598232, now seen corresponding path program 1 times [2022-11-23 15:46:28,166 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-23 15:46:28,166 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1756495618] [2022-11-23 15:46:28,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:46:28,167 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 [2022-11-23 15:46:28,167 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa0afbb-5b8e-41f1-ba88-5702999c2324/bin/utaipan-Q6hlc19bkW/mathsat [2022-11-23 15:46:28,179 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa0afbb-5b8e-41f1-ba88-5702999c2324/bin/utaipan-Q6hlc19bkW/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) [2022-11-23 15:46:28,186 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa0afbb-5b8e-41f1-ba88-5702999c2324/bin/utaipan-Q6hlc19bkW/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 [2022-11-23 15:46:31,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:46:32,134 INFO L263 TraceCheckSpWp]: Trace formula consists of 3043 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-23 15:46:32,141 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 15:46:32,418 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2022-11-23 15:46:32,418 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 15:46:32,419 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-23 15:46:32,419 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1756495618] [2022-11-23 15:46:32,420 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1756495618] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:46:32,420 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:46:32,420 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 15:46:32,423 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [647058123] [2022-11-23 15:46:32,431 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:46:32,437 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 15:46:32,451 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-23 15:46:32,519 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 15:46:32,520 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 15:46:32,526 INFO L87 Difference]: Start difference. First operand has 1559 states, 1133 states have (on average 1.4333627537511033) internal successors, (1624), 1162 states have internal predecessors, (1624), 348 states have call successors, (348), 77 states have call predecessors, (348), 76 states have return successors, (343), 341 states have call predecessors, (343), 343 states have call successors, (343) Second operand has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2022-11-23 15:46:34,947 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.40s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:46:36,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:46:36,347 INFO L93 Difference]: Finished difference Result 4443 states and 6916 transitions. [2022-11-23 15:46:36,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 15:46:36,352 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 43 [2022-11-23 15:46:36,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:46:36,402 INFO L225 Difference]: With dead ends: 4443 [2022-11-23 15:46:36,407 INFO L226 Difference]: Without dead ends: 2871 [2022-11-23 15:46:36,433 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 15:46:36,442 INFO L413 NwaCegarLoop]: 2515 mSDtfsCounter, 2113 mSDsluCounter, 2142 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2113 SdHoareTripleChecker+Valid, 4657 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2022-11-23 15:46:36,443 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2113 Valid, 4657 Invalid, 15 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 11 Invalid, 1 Unknown, 0 Unchecked, 3.4s Time] [2022-11-23 15:46:36,467 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2871 states. [2022-11-23 15:46:36,707 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2871 to 2867. [2022-11-23 15:46:36,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2867 states, 2080 states have (on average 1.4235576923076922) internal successors, (2961), 2118 states have internal predecessors, (2961), 643 states have call successors, (643), 144 states have call predecessors, (643), 143 states have return successors, (638), 634 states have call predecessors, (638), 638 states have call successors, (638) [2022-11-23 15:46:36,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2867 states to 2867 states and 4242 transitions. [2022-11-23 15:46:36,751 INFO L78 Accepts]: Start accepts. Automaton has 2867 states and 4242 transitions. Word has length 43 [2022-11-23 15:46:36,752 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:46:36,752 INFO L495 AbstractCegarLoop]: Abstraction has 2867 states and 4242 transitions. [2022-11-23 15:46:36,752 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2022-11-23 15:46:36,753 INFO L276 IsEmpty]: Start isEmpty. Operand 2867 states and 4242 transitions. [2022-11-23 15:46:36,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-11-23 15:46:36,772 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:46:36,773 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:46:36,856 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa0afbb-5b8e-41f1-ba88-5702999c2324/bin/utaipan-Q6hlc19bkW/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 [2022-11-23 15:46:36,995 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa0afbb-5b8e-41f1-ba88-5702999c2324/bin/utaipan-Q6hlc19bkW/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 [2022-11-23 15:46:36,995 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 15:46:36,996 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:46:36,996 INFO L85 PathProgramCache]: Analyzing trace with hash 1768961092, now seen corresponding path program 1 times [2022-11-23 15:46:37,000 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-23 15:46:37,000 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2030384306] [2022-11-23 15:46:37,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:46:37,001 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 [2022-11-23 15:46:37,003 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa0afbb-5b8e-41f1-ba88-5702999c2324/bin/utaipan-Q6hlc19bkW/mathsat [2022-11-23 15:46:37,004 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa0afbb-5b8e-41f1-ba88-5702999c2324/bin/utaipan-Q6hlc19bkW/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) [2022-11-23 15:46:37,031 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa0afbb-5b8e-41f1-ba88-5702999c2324/bin/utaipan-Q6hlc19bkW/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 [2022-11-23 15:46:41,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:46:41,362 INFO L263 TraceCheckSpWp]: Trace formula consists of 3079 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-23 15:46:41,369 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 15:46:42,348 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2022-11-23 15:46:42,348 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 15:46:42,349 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-23 15:46:42,349 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2030384306] [2022-11-23 15:46:42,349 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2030384306] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:46:42,349 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:46:42,349 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-23 15:46:42,350 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1447915972] [2022-11-23 15:46:42,350 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:46:42,352 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-23 15:46:42,352 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-23 15:46:42,353 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-23 15:46:42,353 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-23 15:46:42,353 INFO L87 Difference]: Start difference. First operand 2867 states and 4242 transitions. Second operand has 7 states, 7 states have (on average 5.285714285714286) internal successors, (37), 6 states have internal predecessors, (37), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (7), 2 states have call predecessors, (7), 1 states have call successors, (7) [2022-11-23 15:46:45,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:46:45,704 INFO L93 Difference]: Finished difference Result 8210 states and 12628 transitions. [2022-11-23 15:46:45,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-23 15:46:45,705 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.285714285714286) internal successors, (37), 6 states have internal predecessors, (37), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (7), 2 states have call predecessors, (7), 1 states have call successors, (7) Word has length 64 [2022-11-23 15:46:45,706 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:46:45,761 INFO L225 Difference]: With dead ends: 8210 [2022-11-23 15:46:45,762 INFO L226 Difference]: Without dead ends: 5356 [2022-11-23 15:46:45,782 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2022-11-23 15:46:45,783 INFO L413 NwaCegarLoop]: 3312 mSDtfsCounter, 2734 mSDsluCounter, 15376 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 612 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2855 SdHoareTripleChecker+Valid, 18688 SdHoareTripleChecker+Invalid, 669 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 612 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-11-23 15:46:45,784 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2855 Valid, 18688 Invalid, 669 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [612 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2022-11-23 15:46:45,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5356 states. [2022-11-23 15:46:46,006 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5356 to 2872. [2022-11-23 15:46:46,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2872 states, 2084 states have (on average 1.4227447216890594) internal successors, (2965), 2122 states have internal predecessors, (2965), 643 states have call successors, (643), 144 states have call predecessors, (643), 144 states have return successors, (640), 635 states have call predecessors, (640), 638 states have call successors, (640) [2022-11-23 15:46:46,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2872 states to 2872 states and 4248 transitions. [2022-11-23 15:46:46,032 INFO L78 Accepts]: Start accepts. Automaton has 2872 states and 4248 transitions. Word has length 64 [2022-11-23 15:46:46,032 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:46:46,032 INFO L495 AbstractCegarLoop]: Abstraction has 2872 states and 4248 transitions. [2022-11-23 15:46:46,033 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.285714285714286) internal successors, (37), 6 states have internal predecessors, (37), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (7), 2 states have call predecessors, (7), 1 states have call successors, (7) [2022-11-23 15:46:46,033 INFO L276 IsEmpty]: Start isEmpty. Operand 2872 states and 4248 transitions. [2022-11-23 15:46:46,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-11-23 15:46:46,038 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:46:46,038 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:46:46,110 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa0afbb-5b8e-41f1-ba88-5702999c2324/bin/utaipan-Q6hlc19bkW/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 [2022-11-23 15:46:46,263 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa0afbb-5b8e-41f1-ba88-5702999c2324/bin/utaipan-Q6hlc19bkW/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 [2022-11-23 15:46:46,263 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 15:46:46,264 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:46:46,264 INFO L85 PathProgramCache]: Analyzing trace with hash 1182155078, now seen corresponding path program 1 times [2022-11-23 15:46:46,267 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-23 15:46:46,268 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1830837295] [2022-11-23 15:46:46,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:46:46,268 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 [2022-11-23 15:46:46,268 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa0afbb-5b8e-41f1-ba88-5702999c2324/bin/utaipan-Q6hlc19bkW/mathsat [2022-11-23 15:46:46,269 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa0afbb-5b8e-41f1-ba88-5702999c2324/bin/utaipan-Q6hlc19bkW/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) [2022-11-23 15:46:46,278 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa0afbb-5b8e-41f1-ba88-5702999c2324/bin/utaipan-Q6hlc19bkW/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 [2022-11-23 15:46:49,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:46:49,992 INFO L263 TraceCheckSpWp]: Trace formula consists of 3078 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-23 15:46:49,997 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 15:46:52,195 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2022-11-23 15:46:52,196 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 15:46:52,196 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-23 15:46:52,196 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1830837295] [2022-11-23 15:46:52,197 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1830837295] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:46:52,197 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:46:52,197 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-23 15:46:52,197 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1577704889] [2022-11-23 15:46:52,198 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:46:52,198 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 15:46:52,198 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-23 15:46:52,199 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 15:46:52,199 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 15:46:52,200 INFO L87 Difference]: Start difference. First operand 2872 states and 4248 transitions. Second operand has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 2 states have internal predecessors, (37), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2022-11-23 15:46:52,619 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:46:52,619 INFO L93 Difference]: Finished difference Result 5704 states and 8447 transitions. [2022-11-23 15:46:52,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 15:46:52,620 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 2 states have internal predecessors, (37), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 64 [2022-11-23 15:46:52,620 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:46:52,664 INFO L225 Difference]: With dead ends: 5704 [2022-11-23 15:46:52,665 INFO L226 Difference]: Without dead ends: 5691 [2022-11-23 15:46:52,671 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 15:46:52,673 INFO L413 NwaCegarLoop]: 2515 mSDtfsCounter, 2137 mSDsluCounter, 2137 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2137 SdHoareTripleChecker+Valid, 4652 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-23 15:46:52,673 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2137 Valid, 4652 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-23 15:46:52,682 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5691 states. [2022-11-23 15:46:52,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5691 to 5689. [2022-11-23 15:46:52,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5689 states, 4133 states have (on average 1.4246310186305347) internal successors, (5888), 4206 states have internal predecessors, (5888), 1271 states have call successors, (1271), 285 states have call predecessors, (1271), 284 states have return successors, (1270), 1257 states have call predecessors, (1270), 1266 states have call successors, (1270) [2022-11-23 15:46:53,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5689 states to 5689 states and 8429 transitions. [2022-11-23 15:46:53,121 INFO L78 Accepts]: Start accepts. Automaton has 5689 states and 8429 transitions. Word has length 64 [2022-11-23 15:46:53,126 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:46:53,127 INFO L495 AbstractCegarLoop]: Abstraction has 5689 states and 8429 transitions. [2022-11-23 15:46:53,127 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 2 states have internal predecessors, (37), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2022-11-23 15:46:53,127 INFO L276 IsEmpty]: Start isEmpty. Operand 5689 states and 8429 transitions. [2022-11-23 15:46:53,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-11-23 15:46:53,132 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:46:53,132 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:46:53,219 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa0afbb-5b8e-41f1-ba88-5702999c2324/bin/utaipan-Q6hlc19bkW/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 [2022-11-23 15:46:53,355 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa0afbb-5b8e-41f1-ba88-5702999c2324/bin/utaipan-Q6hlc19bkW/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 [2022-11-23 15:46:53,355 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 15:46:53,356 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:46:53,356 INFO L85 PathProgramCache]: Analyzing trace with hash -2008507278, now seen corresponding path program 1 times [2022-11-23 15:46:53,359 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-23 15:46:53,359 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [521558046] [2022-11-23 15:46:53,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:46:53,359 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 [2022-11-23 15:46:53,359 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa0afbb-5b8e-41f1-ba88-5702999c2324/bin/utaipan-Q6hlc19bkW/mathsat [2022-11-23 15:46:53,361 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa0afbb-5b8e-41f1-ba88-5702999c2324/bin/utaipan-Q6hlc19bkW/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) [2022-11-23 15:46:53,363 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa0afbb-5b8e-41f1-ba88-5702999c2324/bin/utaipan-Q6hlc19bkW/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 [2022-11-23 15:46:57,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:46:57,283 INFO L263 TraceCheckSpWp]: Trace formula consists of 3079 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-23 15:46:57,288 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 15:46:59,658 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2022-11-23 15:46:59,658 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 15:46:59,658 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-23 15:46:59,658 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [521558046] [2022-11-23 15:46:59,659 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [521558046] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:46:59,659 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:46:59,659 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 15:46:59,659 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [114163955] [2022-11-23 15:46:59,659 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:46:59,660 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 15:46:59,660 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-23 15:46:59,660 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 15:46:59,660 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 15:46:59,661 INFO L87 Difference]: Start difference. First operand 5689 states and 8429 transitions. Second operand has 4 states, 4 states have (on average 9.5) internal successors, (38), 3 states have internal predecessors, (38), 2 states have call successors, (8), 3 states have call predecessors, (8), 2 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2022-11-23 15:47:01,958 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.29s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:47:36,402 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:47:42,155 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:47:46,284 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:48:03,877 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:48:30,967 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:48:35,676 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 [] [2022-11-23 15:48:50,326 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:48:50,326 INFO L93 Difference]: Finished difference Result 16835 states and 24993 transitions. [2022-11-23 15:48:50,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-23 15:48:50,327 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 3 states have internal predecessors, (38), 2 states have call successors, (8), 3 states have call predecessors, (8), 2 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 65 [2022-11-23 15:48:50,331 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:48:50,436 INFO L225 Difference]: With dead ends: 16835 [2022-11-23 15:48:50,436 INFO L226 Difference]: Without dead ends: 11156 [2022-11-23 15:48:50,471 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-23 15:48:50,473 INFO L413 NwaCegarLoop]: 836 mSDtfsCounter, 3653 mSDsluCounter, 1183 mSDsCounter, 0 mSdLazyCounter, 3501 mSolverCounterSat, 1020 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 106.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3982 SdHoareTripleChecker+Valid, 2019 SdHoareTripleChecker+Invalid, 4528 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1020 IncrementalHoareTripleChecker+Valid, 3501 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 109.7s IncrementalHoareTripleChecker+Time [2022-11-23 15:48:50,474 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3982 Valid, 2019 Invalid, 4528 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1020 Valid, 3501 Invalid, 7 Unknown, 0 Unchecked, 109.7s Time] [2022-11-23 15:48:50,489 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11156 states. [2022-11-23 15:48:51,257 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11156 to 11128. [2022-11-23 15:48:51,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11128 states, 8080 states have (on average 1.425371287128713) internal successors, (11517), 8221 states have internal predecessors, (11517), 2485 states have call successors, (2485), 565 states have call predecessors, (2485), 562 states have return successors, (2530), 2453 states have call predecessors, (2530), 2474 states have call successors, (2530) [2022-11-23 15:48:51,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11128 states to 11128 states and 16532 transitions. [2022-11-23 15:48:51,357 INFO L78 Accepts]: Start accepts. Automaton has 11128 states and 16532 transitions. Word has length 65 [2022-11-23 15:48:51,359 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:48:51,359 INFO L495 AbstractCegarLoop]: Abstraction has 11128 states and 16532 transitions. [2022-11-23 15:48:51,360 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 3 states have internal predecessors, (38), 2 states have call successors, (8), 3 states have call predecessors, (8), 2 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2022-11-23 15:48:51,360 INFO L276 IsEmpty]: Start isEmpty. Operand 11128 states and 16532 transitions. [2022-11-23 15:48:51,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2022-11-23 15:48:51,368 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:48:51,368 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 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] [2022-11-23 15:48:51,446 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa0afbb-5b8e-41f1-ba88-5702999c2324/bin/utaipan-Q6hlc19bkW/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 [2022-11-23 15:48:51,591 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa0afbb-5b8e-41f1-ba88-5702999c2324/bin/utaipan-Q6hlc19bkW/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 [2022-11-23 15:48:51,591 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 15:48:51,591 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:48:51,592 INFO L85 PathProgramCache]: Analyzing trace with hash -1593099272, now seen corresponding path program 1 times [2022-11-23 15:48:51,595 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-23 15:48:51,595 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1731479617] [2022-11-23 15:48:51,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:48:51,595 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 [2022-11-23 15:48:51,595 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa0afbb-5b8e-41f1-ba88-5702999c2324/bin/utaipan-Q6hlc19bkW/mathsat [2022-11-23 15:48:51,597 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa0afbb-5b8e-41f1-ba88-5702999c2324/bin/utaipan-Q6hlc19bkW/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) [2022-11-23 15:48:51,627 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa0afbb-5b8e-41f1-ba88-5702999c2324/bin/utaipan-Q6hlc19bkW/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 [2022-11-23 15:48:54,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:48:55,217 INFO L263 TraceCheckSpWp]: Trace formula consists of 3108 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-23 15:48:55,221 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 15:48:56,494 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2022-11-23 15:48:56,495 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 15:48:56,495 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-23 15:48:56,495 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1731479617] [2022-11-23 15:48:56,495 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1731479617] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:48:56,495 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:48:56,496 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-23 15:48:56,496 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2105385102] [2022-11-23 15:48:56,496 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:48:56,497 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-23 15:48:56,497 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-23 15:48:56,497 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-23 15:48:56,497 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-23 15:48:56,498 INFO L87 Difference]: Start difference. First operand 11128 states and 16532 transitions. Second operand has 7 states, 7 states have (on average 6.0) internal successors, (42), 6 states have internal predecessors, (42), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (9), 2 states have call predecessors, (9), 1 states have call successors, (9) [2022-11-23 15:49:01,318 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:49:01,318 INFO L93 Difference]: Finished difference Result 28749 states and 44000 transitions. [2022-11-23 15:49:01,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-23 15:49:01,319 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.0) internal successors, (42), 6 states have internal predecessors, (42), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (9), 2 states have call predecessors, (9), 1 states have call successors, (9) Word has length 76 [2022-11-23 15:49:01,320 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:49:01,482 INFO L225 Difference]: With dead ends: 28749 [2022-11-23 15:49:01,483 INFO L226 Difference]: Without dead ends: 17634 [2022-11-23 15:49:01,557 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2022-11-23 15:49:01,558 INFO L413 NwaCegarLoop]: 3669 mSDtfsCounter, 2453 mSDsluCounter, 16258 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 593 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2571 SdHoareTripleChecker+Valid, 19927 SdHoareTripleChecker+Invalid, 661 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 593 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2022-11-23 15:49:01,559 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2571 Valid, 19927 Invalid, 661 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [593 Valid, 68 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2022-11-23 15:49:01,580 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17634 states. [2022-11-23 15:49:02,463 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17634 to 11134. [2022-11-23 15:49:02,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11134 states, 8086 states have (on average 1.4250556517437547) internal successors, (11523), 8225 states have internal predecessors, (11523), 2485 states have call successors, (2485), 565 states have call predecessors, (2485), 562 states have return successors, (2530), 2455 states have call predecessors, (2530), 2474 states have call successors, (2530) [2022-11-23 15:49:02,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11134 states to 11134 states and 16538 transitions. [2022-11-23 15:49:02,537 INFO L78 Accepts]: Start accepts. Automaton has 11134 states and 16538 transitions. Word has length 76 [2022-11-23 15:49:02,538 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:49:02,538 INFO L495 AbstractCegarLoop]: Abstraction has 11134 states and 16538 transitions. [2022-11-23 15:49:02,538 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.0) internal successors, (42), 6 states have internal predecessors, (42), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (9), 2 states have call predecessors, (9), 1 states have call successors, (9) [2022-11-23 15:49:02,538 INFO L276 IsEmpty]: Start isEmpty. Operand 11134 states and 16538 transitions. [2022-11-23 15:49:02,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2022-11-23 15:49:02,544 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:49:02,544 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 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] [2022-11-23 15:49:02,631 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa0afbb-5b8e-41f1-ba88-5702999c2324/bin/utaipan-Q6hlc19bkW/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 [2022-11-23 15:49:02,767 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa0afbb-5b8e-41f1-ba88-5702999c2324/bin/utaipan-Q6hlc19bkW/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 [2022-11-23 15:49:02,767 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 15:49:02,767 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:49:02,768 INFO L85 PathProgramCache]: Analyzing trace with hash -1334933834, now seen corresponding path program 1 times [2022-11-23 15:49:02,771 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-23 15:49:02,771 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [689429724] [2022-11-23 15:49:02,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:49:02,771 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 [2022-11-23 15:49:02,771 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa0afbb-5b8e-41f1-ba88-5702999c2324/bin/utaipan-Q6hlc19bkW/mathsat [2022-11-23 15:49:02,773 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa0afbb-5b8e-41f1-ba88-5702999c2324/bin/utaipan-Q6hlc19bkW/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) [2022-11-23 15:49:02,817 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa0afbb-5b8e-41f1-ba88-5702999c2324/bin/utaipan-Q6hlc19bkW/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 [2022-11-23 15:49:06,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:49:06,531 INFO L263 TraceCheckSpWp]: Trace formula consists of 3107 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-23 15:49:06,534 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 15:49:07,766 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2022-11-23 15:49:07,766 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 15:49:09,591 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2022-11-23 15:49:09,592 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-23 15:49:09,592 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [689429724] [2022-11-23 15:49:09,592 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [689429724] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 15:49:09,592 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [760022116] [2022-11-23 15:49:09,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:49:09,593 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-23 15:49:09,593 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa0afbb-5b8e-41f1-ba88-5702999c2324/bin/utaipan-Q6hlc19bkW/cvc4 [2022-11-23 15:49:09,596 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa0afbb-5b8e-41f1-ba88-5702999c2324/bin/utaipan-Q6hlc19bkW/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-23 15:49:09,619 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa0afbb-5b8e-41f1-ba88-5702999c2324/bin/utaipan-Q6hlc19bkW/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2022-11-23 15:49:12,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:49:12,258 INFO L263 TraceCheckSpWp]: Trace formula consists of 3107 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-23 15:49:12,263 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 15:49:13,275 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2022-11-23 15:49:13,275 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 15:49:14,806 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2022-11-23 15:49:14,806 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [760022116] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 15:49:14,807 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [381758424] [2022-11-23 15:49:14,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:49:14,807 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 15:49:14,807 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa0afbb-5b8e-41f1-ba88-5702999c2324/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 15:49:14,808 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa0afbb-5b8e-41f1-ba88-5702999c2324/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 15:49:14,815 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa0afbb-5b8e-41f1-ba88-5702999c2324/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-11-23 15:49:17,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:49:18,235 INFO L263 TraceCheckSpWp]: Trace formula consists of 3107 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-23 15:49:18,238 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 15:49:19,282 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2022-11-23 15:49:19,282 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 15:49:20,816 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2022-11-23 15:49:20,817 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [381758424] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 15:49:20,817 INFO L184 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2022-11-23 15:49:20,817 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4, 4, 4, 4] total 5 [2022-11-23 15:49:20,817 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [19119536] [2022-11-23 15:49:20,818 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2022-11-23 15:49:20,819 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-23 15:49:20,819 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-23 15:49:20,819 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-23 15:49:20,819 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-23 15:49:20,820 INFO L87 Difference]: Start difference. First operand 11134 states and 16538 transitions. Second operand has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 3 states have call successors, (13), 5 states have call predecessors, (13), 4 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-11-23 15:49:23,538 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.72s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:49:26,208 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.67s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:50:23,004 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:50:31,233 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:50:36,513 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:51:03,733 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:51:45,266 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 15:51:53,074 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 [] [2022-11-23 15:52:13,328 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:52:13,328 INFO L93 Difference]: Finished difference Result 11569 states and 17037 transitions. [2022-11-23 15:52:13,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-23 15:52:13,329 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 3 states have call successors, (13), 5 states have call predecessors, (13), 4 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 76 [2022-11-23 15:52:13,329 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:52:13,388 INFO L225 Difference]: With dead ends: 11569 [2022-11-23 15:52:13,388 INFO L226 Difference]: Without dead ends: 11566 [2022-11-23 15:52:13,395 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 452 GetRequests, 448 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2022-11-23 15:52:13,396 INFO L413 NwaCegarLoop]: 1361 mSDtfsCounter, 3247 mSDsluCounter, 1626 mSDsCounter, 0 mSdLazyCounter, 4598 mSolverCounterSat, 869 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 168.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3573 SdHoareTripleChecker+Valid, 2987 SdHoareTripleChecker+Invalid, 5475 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 869 IncrementalHoareTripleChecker+Valid, 4598 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 171.4s IncrementalHoareTripleChecker+Time [2022-11-23 15:52:13,396 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3573 Valid, 2987 Invalid, 5475 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [869 Valid, 4598 Invalid, 8 Unknown, 0 Unchecked, 171.4s Time] [2022-11-23 15:52:13,409 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11566 states. [2022-11-23 15:52:14,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11566 to 11546. [2022-11-23 15:52:14,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11546 states, 8392 states have (on average 1.4169447092469019) internal successors, (11891), 8541 states have internal predecessors, (11891), 2513 states have call successors, (2513), 629 states have call predecessors, (2513), 640 states have return successors, (2606), 2487 states have call predecessors, (2606), 2502 states have call successors, (2606) [2022-11-23 15:52:14,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11546 states to 11546 states and 17010 transitions. [2022-11-23 15:52:14,194 INFO L78 Accepts]: Start accepts. Automaton has 11546 states and 17010 transitions. Word has length 76 [2022-11-23 15:52:14,196 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:52:14,196 INFO L495 AbstractCegarLoop]: Abstraction has 11546 states and 17010 transitions. [2022-11-23 15:52:14,196 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 3 states have call successors, (13), 5 states have call predecessors, (13), 4 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-11-23 15:52:14,196 INFO L276 IsEmpty]: Start isEmpty. Operand 11546 states and 17010 transitions. [2022-11-23 15:52:14,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2022-11-23 15:52:14,202 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:52:14,202 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 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] [2022-11-23 15:52:14,308 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa0afbb-5b8e-41f1-ba88-5702999c2324/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-11-23 15:52:14,480 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa0afbb-5b8e-41f1-ba88-5702999c2324/bin/utaipan-Q6hlc19bkW/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 [2022-11-23 15:52:14,636 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa0afbb-5b8e-41f1-ba88-5702999c2324/bin/utaipan-Q6hlc19bkW/cvc4 --incremental --print-success --lang smt (8)] Forceful destruction successful, exit code 0 [2022-11-23 15:52:14,822 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa0afbb-5b8e-41f1-ba88-5702999c2324/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa0afbb-5b8e-41f1-ba88-5702999c2324/bin/utaipan-Q6hlc19bkW/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 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa0afbb-5b8e-41f1-ba88-5702999c2324/bin/utaipan-Q6hlc19bkW/cvc4 --incremental --print-success --lang smt [2022-11-23 15:52:14,822 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 15:52:14,823 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:52:14,823 INFO L85 PathProgramCache]: Analyzing trace with hash -1194385224, now seen corresponding path program 1 times [2022-11-23 15:52:14,825 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-23 15:52:14,825 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1380499735] [2022-11-23 15:52:14,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:52:14,825 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 [2022-11-23 15:52:14,825 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa0afbb-5b8e-41f1-ba88-5702999c2324/bin/utaipan-Q6hlc19bkW/mathsat [2022-11-23 15:52:14,826 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa0afbb-5b8e-41f1-ba88-5702999c2324/bin/utaipan-Q6hlc19bkW/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) [2022-11-23 15:52:14,828 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa0afbb-5b8e-41f1-ba88-5702999c2324/bin/utaipan-Q6hlc19bkW/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 [2022-11-23 15:52:18,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:52:18,510 INFO L263 TraceCheckSpWp]: Trace formula consists of 3106 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-23 15:52:18,513 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 15:52:19,999 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2022-11-23 15:52:19,999 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 15:52:19,999 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-23 15:52:19,999 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1380499735] [2022-11-23 15:52:20,000 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1380499735] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:52:20,000 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:52:20,000 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-23 15:52:20,000 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1492995973] [2022-11-23 15:52:20,000 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:52:20,000 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-23 15:52:20,001 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-23 15:52:20,001 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-23 15:52:20,001 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-23 15:52:20,001 INFO L87 Difference]: Start difference. First operand 11546 states and 17010 transitions. Second operand has 7 states, 7 states have (on average 6.285714285714286) internal successors, (44), 6 states have internal predecessors, (44), 2 states have call successors, (11), 2 states have call predecessors, (11), 3 states have return successors, (9), 3 states have call predecessors, (9), 2 states have call successors, (9) [2022-11-23 15:52:24,203 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:52:24,203 INFO L93 Difference]: Finished difference Result 23164 states and 34734 transitions. [2022-11-23 15:52:24,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-23 15:52:24,204 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.285714285714286) internal successors, (44), 6 states have internal predecessors, (44), 2 states have call successors, (11), 2 states have call predecessors, (11), 3 states have return successors, (9), 3 states have call predecessors, (9), 2 states have call successors, (9) Word has length 76 [2022-11-23 15:52:24,205 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:52:24,269 INFO L225 Difference]: With dead ends: 23164 [2022-11-23 15:52:24,269 INFO L226 Difference]: Without dead ends: 11631 [2022-11-23 15:52:24,315 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2022-11-23 15:52:24,316 INFO L413 NwaCegarLoop]: 3022 mSDtfsCounter, 1833 mSDsluCounter, 13987 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 350 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1951 SdHoareTripleChecker+Valid, 17009 SdHoareTripleChecker+Invalid, 419 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 350 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-11-23 15:52:24,316 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1951 Valid, 17009 Invalid, 419 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [350 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2022-11-23 15:52:24,329 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11631 states. [2022-11-23 15:52:25,031 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11631 to 8792. [2022-11-23 15:52:25,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8792 states, 6395 states have (on average 1.414542611415168) internal successors, (9046), 6506 states have internal predecessors, (9046), 1902 states have call successors, (1902), 489 states have call predecessors, (1902), 494 states have return successors, (1948), 1882 states have call predecessors, (1948), 1895 states have call successors, (1948) [2022-11-23 15:52:25,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8792 states to 8792 states and 12896 transitions. [2022-11-23 15:52:25,082 INFO L78 Accepts]: Start accepts. Automaton has 8792 states and 12896 transitions. Word has length 76 [2022-11-23 15:52:25,082 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:52:25,083 INFO L495 AbstractCegarLoop]: Abstraction has 8792 states and 12896 transitions. [2022-11-23 15:52:25,083 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.285714285714286) internal successors, (44), 6 states have internal predecessors, (44), 2 states have call successors, (11), 2 states have call predecessors, (11), 3 states have return successors, (9), 3 states have call predecessors, (9), 2 states have call successors, (9) [2022-11-23 15:52:25,083 INFO L276 IsEmpty]: Start isEmpty. Operand 8792 states and 12896 transitions. [2022-11-23 15:52:25,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-11-23 15:52:25,101 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:52:25,101 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 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] [2022-11-23 15:52:25,186 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa0afbb-5b8e-41f1-ba88-5702999c2324/bin/utaipan-Q6hlc19bkW/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 [2022-11-23 15:52:25,323 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa0afbb-5b8e-41f1-ba88-5702999c2324/bin/utaipan-Q6hlc19bkW/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 [2022-11-23 15:52:25,323 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 15:52:25,323 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:52:25,323 INFO L85 PathProgramCache]: Analyzing trace with hash 1270615411, now seen corresponding path program 1 times [2022-11-23 15:52:25,326 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-23 15:52:25,327 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [581000700] [2022-11-23 15:52:25,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:52:25,327 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 [2022-11-23 15:52:25,327 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa0afbb-5b8e-41f1-ba88-5702999c2324/bin/utaipan-Q6hlc19bkW/mathsat [2022-11-23 15:52:25,329 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa0afbb-5b8e-41f1-ba88-5702999c2324/bin/utaipan-Q6hlc19bkW/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) [2022-11-23 15:52:25,375 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa0afbb-5b8e-41f1-ba88-5702999c2324/bin/utaipan-Q6hlc19bkW/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 [2022-11-23 15:52:29,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:52:29,261 INFO L263 TraceCheckSpWp]: Trace formula consists of 3146 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-23 15:52:29,263 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 15:52:30,732 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2022-11-23 15:52:30,732 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 15:52:30,732 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-23 15:52:30,732 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [581000700] [2022-11-23 15:52:30,732 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [581000700] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:52:30,733 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:52:30,733 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-23 15:52:30,733 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [321850497] [2022-11-23 15:52:30,733 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:52:30,734 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-23 15:52:30,734 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-23 15:52:30,734 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-23 15:52:30,734 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-23 15:52:30,735 INFO L87 Difference]: Start difference. First operand 8792 states and 12896 transitions. Second operand has 7 states, 7 states have (on average 6.285714285714286) internal successors, (44), 7 states have internal predecessors, (44), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2022-11-23 15:52:43,448 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:52:43,448 INFO L93 Difference]: Finished difference Result 13739 states and 21226 transitions. [2022-11-23 15:52:43,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-23 15:52:43,449 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.285714285714286) internal successors, (44), 7 states have internal predecessors, (44), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 81 [2022-11-23 15:52:43,449 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:52:43,514 INFO L225 Difference]: With dead ends: 13739 [2022-11-23 15:52:43,514 INFO L226 Difference]: Without dead ends: 13719 [2022-11-23 15:52:43,522 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2022-11-23 15:52:43,522 INFO L413 NwaCegarLoop]: 3278 mSDtfsCounter, 5612 mSDsluCounter, 13997 mSDsCounter, 0 mSdLazyCounter, 280 mSolverCounterSat, 1309 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5736 SdHoareTripleChecker+Valid, 17275 SdHoareTripleChecker+Invalid, 1589 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1309 IncrementalHoareTripleChecker+Valid, 280 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.0s IncrementalHoareTripleChecker+Time [2022-11-23 15:52:43,523 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5736 Valid, 17275 Invalid, 1589 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1309 Valid, 280 Invalid, 0 Unknown, 0 Unchecked, 10.0s Time] [2022-11-23 15:52:43,534 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13719 states. [2022-11-23 15:52:44,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13719 to 8796. [2022-11-23 15:52:44,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8796 states, 6399 states have (on average 1.4142834817940304) internal successors, (9050), 6510 states have internal predecessors, (9050), 1902 states have call successors, (1902), 489 states have call predecessors, (1902), 494 states have return successors, (1948), 1882 states have call predecessors, (1948), 1895 states have call successors, (1948) [2022-11-23 15:52:44,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8796 states to 8796 states and 12900 transitions. [2022-11-23 15:52:44,358 INFO L78 Accepts]: Start accepts. Automaton has 8796 states and 12900 transitions. Word has length 81 [2022-11-23 15:52:44,359 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:52:44,359 INFO L495 AbstractCegarLoop]: Abstraction has 8796 states and 12900 transitions. [2022-11-23 15:52:44,359 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.285714285714286) internal successors, (44), 7 states have internal predecessors, (44), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2022-11-23 15:52:44,359 INFO L276 IsEmpty]: Start isEmpty. Operand 8796 states and 12900 transitions. [2022-11-23 15:52:44,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2022-11-23 15:52:44,366 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:52:44,366 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 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] [2022-11-23 15:52:44,449 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa0afbb-5b8e-41f1-ba88-5702999c2324/bin/utaipan-Q6hlc19bkW/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 [2022-11-23 15:52:44,581 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa0afbb-5b8e-41f1-ba88-5702999c2324/bin/utaipan-Q6hlc19bkW/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 [2022-11-23 15:52:44,581 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 15:52:44,582 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:52:44,582 INFO L85 PathProgramCache]: Analyzing trace with hash 1864212269, now seen corresponding path program 1 times [2022-11-23 15:52:44,585 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-23 15:52:44,585 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [128196425] [2022-11-23 15:52:44,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:52:44,585 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 [2022-11-23 15:52:44,585 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa0afbb-5b8e-41f1-ba88-5702999c2324/bin/utaipan-Q6hlc19bkW/mathsat [2022-11-23 15:52:44,587 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa0afbb-5b8e-41f1-ba88-5702999c2324/bin/utaipan-Q6hlc19bkW/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) [2022-11-23 15:52:44,630 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa0afbb-5b8e-41f1-ba88-5702999c2324/bin/utaipan-Q6hlc19bkW/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 [2022-11-23 15:52:48,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:52:48,333 INFO L263 TraceCheckSpWp]: Trace formula consists of 3144 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-23 15:52:48,336 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 15:52:48,708 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2022-11-23 15:52:48,709 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 15:52:48,709 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-23 15:52:48,709 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [128196425] [2022-11-23 15:52:48,709 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [128196425] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:52:48,709 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:52:48,709 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-23 15:52:48,709 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1806176181] [2022-11-23 15:52:48,709 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:52:48,710 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 15:52:48,710 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-23 15:52:48,710 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 15:52:48,710 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 15:52:48,710 INFO L87 Difference]: Start difference. First operand 8796 states and 12900 transitions. Second operand has 4 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2022-11-23 15:52:53,981 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:52:53,981 INFO L93 Difference]: Finished difference Result 15621 states and 23070 transitions. [2022-11-23 15:52:53,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-23 15:52:53,982 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 82 [2022-11-23 15:52:53,982 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:52:54,013 INFO L225 Difference]: With dead ends: 15621 [2022-11-23 15:52:54,013 INFO L226 Difference]: Without dead ends: 6838 [2022-11-23 15:52:54,042 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-23 15:52:54,043 INFO L413 NwaCegarLoop]: 2731 mSDtfsCounter, 2767 mSDsluCounter, 2288 mSDsCounter, 0 mSdLazyCounter, 127 mSolverCounterSat, 131 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2767 SdHoareTripleChecker+Valid, 5019 SdHoareTripleChecker+Invalid, 258 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 131 IncrementalHoareTripleChecker+Valid, 127 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2022-11-23 15:52:54,044 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2767 Valid, 5019 Invalid, 258 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [131 Valid, 127 Invalid, 0 Unknown, 0 Unchecked, 4.5s Time] [2022-11-23 15:52:54,050 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6838 states. [2022-11-23 15:52:54,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6838 to 6001. [2022-11-23 15:52:54,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6001 states, 4366 states have (on average 1.4092991296381128) internal successors, (6153), 4442 states have internal predecessors, (6153), 1295 states have call successors, (1295), 337 states have call predecessors, (1295), 339 states have return successors, (1317), 1279 states have call predecessors, (1317), 1288 states have call successors, (1317) [2022-11-23 15:52:54,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6001 states to 6001 states and 8765 transitions. [2022-11-23 15:52:54,549 INFO L78 Accepts]: Start accepts. Automaton has 6001 states and 8765 transitions. Word has length 82 [2022-11-23 15:52:54,549 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:52:54,550 INFO L495 AbstractCegarLoop]: Abstraction has 6001 states and 8765 transitions. [2022-11-23 15:52:54,550 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2022-11-23 15:52:54,550 INFO L276 IsEmpty]: Start isEmpty. Operand 6001 states and 8765 transitions. [2022-11-23 15:52:54,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2022-11-23 15:52:54,558 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:52:54,559 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 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] [2022-11-23 15:52:54,644 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa0afbb-5b8e-41f1-ba88-5702999c2324/bin/utaipan-Q6hlc19bkW/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 [2022-11-23 15:52:54,783 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa0afbb-5b8e-41f1-ba88-5702999c2324/bin/utaipan-Q6hlc19bkW/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 [2022-11-23 15:52:54,783 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 15:52:54,783 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:52:54,783 INFO L85 PathProgramCache]: Analyzing trace with hash 459559503, now seen corresponding path program 1 times [2022-11-23 15:52:54,787 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-23 15:52:54,787 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1430880109] [2022-11-23 15:52:54,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:52:54,787 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 [2022-11-23 15:52:54,787 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa0afbb-5b8e-41f1-ba88-5702999c2324/bin/utaipan-Q6hlc19bkW/mathsat [2022-11-23 15:52:54,789 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa0afbb-5b8e-41f1-ba88-5702999c2324/bin/utaipan-Q6hlc19bkW/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) [2022-11-23 15:52:54,837 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa0afbb-5b8e-41f1-ba88-5702999c2324/bin/utaipan-Q6hlc19bkW/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