./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 8393723b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a397a6d3-d7c3-4b4c-9ac8-a259ff134ea7/bin/uautomizer-TMbwUNV5ro/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a397a6d3-d7c3-4b4c-9ac8-a259ff134ea7/bin/uautomizer-TMbwUNV5ro/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a397a6d3-d7c3-4b4c-9ac8-a259ff134ea7/bin/uautomizer-TMbwUNV5ro/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a397a6d3-d7c3-4b4c-9ac8-a259ff134ea7/bin/uautomizer-TMbwUNV5ro/config/AutomizerReach.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_a397a6d3-d7c3-4b4c-9ac8-a259ff134ea7/bin/uautomizer-TMbwUNV5ro/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a397a6d3-d7c3-4b4c-9ac8-a259ff134ea7/bin/uautomizer-TMbwUNV5ro --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 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-8393723 [2022-11-18 18:32:25,763 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-18 18:32:25,768 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-18 18:32:25,807 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-18 18:32:25,809 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-18 18:32:25,811 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-18 18:32:25,814 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-18 18:32:25,816 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-18 18:32:25,818 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-18 18:32:25,821 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-18 18:32:25,823 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-18 18:32:25,826 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-18 18:32:25,827 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-18 18:32:25,832 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-18 18:32:25,833 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-18 18:32:25,835 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-18 18:32:25,837 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-18 18:32:25,838 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-18 18:32:25,839 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-18 18:32:25,844 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-18 18:32:25,845 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-18 18:32:25,847 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-18 18:32:25,849 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-18 18:32:25,850 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-18 18:32:25,860 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-18 18:32:25,861 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-18 18:32:25,861 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-18 18:32:25,863 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-18 18:32:25,863 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-18 18:32:25,865 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-18 18:32:25,865 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-18 18:32:25,866 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-18 18:32:25,868 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-18 18:32:25,870 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-18 18:32:25,871 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-18 18:32:25,871 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-18 18:32:25,872 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-18 18:32:25,873 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-18 18:32:25,873 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-18 18:32:25,874 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-18 18:32:25,875 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-18 18:32:25,876 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a397a6d3-d7c3-4b4c-9ac8-a259ff134ea7/bin/uautomizer-TMbwUNV5ro/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-18 18:32:25,911 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-18 18:32:25,912 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-18 18:32:25,912 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-18 18:32:25,913 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-18 18:32:25,914 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-18 18:32:25,914 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-18 18:32:25,915 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-18 18:32:25,915 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-18 18:32:25,915 INFO L138 SettingsManager]: * Use SBE=true [2022-11-18 18:32:25,916 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-18 18:32:25,917 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-18 18:32:25,917 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-18 18:32:25,917 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-18 18:32:25,917 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-18 18:32:25,917 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-18 18:32:25,918 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-18 18:32:25,918 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-18 18:32:25,918 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-18 18:32:25,918 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-18 18:32:25,919 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-18 18:32:25,919 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-18 18:32:25,919 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 18:32:25,919 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-18 18:32:25,919 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-18 18:32:25,920 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-18 18:32:25,920 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-18 18:32:25,921 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-18 18:32:25,922 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-18 18:32:25,922 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-18 18:32:25,922 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-18 18:32:25,922 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_a397a6d3-d7c3-4b4c-9ac8-a259ff134ea7/bin/uautomizer-TMbwUNV5ro/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a397a6d3-d7c3-4b4c-9ac8-a259ff134ea7/bin/uautomizer-TMbwUNV5ro Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4d5b4b32fa0da80203e2a18166964cfde265e42cc1a9ca2751016d17ee22d414 [2022-11-18 18:32:26,235 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-18 18:32:26,256 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-18 18:32:26,258 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-18 18:32:26,259 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-18 18:32:26,261 INFO L275 PluginConnector]: CDTParser initialized [2022-11-18 18:32:26,263 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a397a6d3-d7c3-4b4c-9ac8-a259ff134ea7/bin/uautomizer-TMbwUNV5ro/../../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 [2022-11-18 18:32:26,334 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a397a6d3-d7c3-4b4c-9ac8-a259ff134ea7/bin/uautomizer-TMbwUNV5ro/data/ca8ab61b9/c1c242da9ea44339892d10aafff86490/FLAGd72c834b0 [2022-11-18 18:32:27,186 INFO L306 CDTParser]: Found 1 translation units. [2022-11-18 18:32:27,187 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a397a6d3-d7c3-4b4c-9ac8-a259ff134ea7/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 [2022-11-18 18:32:27,225 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a397a6d3-d7c3-4b4c-9ac8-a259ff134ea7/bin/uautomizer-TMbwUNV5ro/data/ca8ab61b9/c1c242da9ea44339892d10aafff86490/FLAGd72c834b0 [2022-11-18 18:32:27,657 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a397a6d3-d7c3-4b4c-9ac8-a259ff134ea7/bin/uautomizer-TMbwUNV5ro/data/ca8ab61b9/c1c242da9ea44339892d10aafff86490 [2022-11-18 18:32:27,660 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-18 18:32:27,662 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-18 18:32:27,664 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-18 18:32:27,664 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-18 18:32:27,673 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-18 18:32:27,674 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 06:32:27" (1/1) ... [2022-11-18 18:32:27,676 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36bbddd0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:32:27, skipping insertion in model container [2022-11-18 18:32:27,676 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 06:32:27" (1/1) ... [2022-11-18 18:32:27,684 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-18 18:32:27,847 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-18 18:32:29,057 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a397a6d3-d7c3-4b4c-9ac8-a259ff134ea7/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] [2022-11-18 18:32:29,681 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 18:32:29,742 INFO L203 MainTranslator]: Completed pre-run [2022-11-18 18:32:29,900 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a397a6d3-d7c3-4b4c-9ac8-a259ff134ea7/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] [2022-11-18 18:32:30,181 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 18:32:30,257 INFO L208 MainTranslator]: Completed translation [2022-11-18 18:32:30,258 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:32:30 WrapperNode [2022-11-18 18:32:30,260 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-18 18:32:30,261 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-18 18:32:30,261 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-18 18:32:30,262 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-18 18:32:30,271 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:32:30" (1/1) ... [2022-11-18 18:32:30,365 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:32:30" (1/1) ... [2022-11-18 18:32:30,596 INFO L138 Inliner]: procedures = 204, calls = 2337, calls flagged for inlining = 84, calls inlined = 84, statements flattened = 4956 [2022-11-18 18:32:30,596 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-18 18:32:30,597 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-18 18:32:30,598 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-18 18:32:30,598 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-18 18:32:30,615 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:32:30" (1/1) ... [2022-11-18 18:32:30,615 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:32:30" (1/1) ... [2022-11-18 18:32:30,644 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:32:30" (1/1) ... [2022-11-18 18:32:30,644 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:32:30" (1/1) ... [2022-11-18 18:32:30,826 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:32:30" (1/1) ... [2022-11-18 18:32:30,867 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:32:30" (1/1) ... [2022-11-18 18:32:30,979 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:32:30" (1/1) ... [2022-11-18 18:32:31,009 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:32:30" (1/1) ... [2022-11-18 18:32:31,058 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-18 18:32:31,060 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-18 18:32:31,060 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-18 18:32:31,061 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-18 18:32:31,062 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:32:30" (1/1) ... [2022-11-18 18:32:31,071 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 18:32:31,087 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a397a6d3-d7c3-4b4c-9ac8-a259ff134ea7/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 18:32:31,107 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a397a6d3-d7c3-4b4c-9ac8-a259ff134ea7/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-18 18:32:31,199 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a397a6d3-d7c3-4b4c-9ac8-a259ff134ea7/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-18 18:32:31,242 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2022-11-18 18:32:31,242 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2022-11-18 18:32:31,242 INFO L130 BoogieDeclarations]: Found specification of procedure ti_bulk_in_callback [2022-11-18 18:32:31,242 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_bulk_in_callback [2022-11-18 18:32:31,242 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2022-11-18 18:32:31,243 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2022-11-18 18:32:31,243 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2022-11-18 18:32:31,243 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-18 18:32:31,243 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-18 18:32:31,243 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-18 18:32:31,243 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-18 18:32:31,243 INFO L130 BoogieDeclarations]: Found specification of procedure tty_kref_put [2022-11-18 18:32:31,243 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_kref_put [2022-11-18 18:32:31,244 INFO L130 BoogieDeclarations]: Found specification of procedure ti_throttle [2022-11-18 18:32:31,244 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_throttle [2022-11-18 18:32:31,244 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-11-18 18:32:31,244 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-11-18 18:32:31,244 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-18 18:32:31,244 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-18 18:32:31,244 INFO L130 BoogieDeclarations]: Found specification of procedure ti_bulk_out_callback [2022-11-18 18:32:31,245 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_bulk_out_callback [2022-11-18 18:32:31,245 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible_nested [2022-11-18 18:32:31,245 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible_nested [2022-11-18 18:32:31,245 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_serial_port_data [2022-11-18 18:32:31,245 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_serial_port_data [2022-11-18 18:32:31,245 INFO L130 BoogieDeclarations]: Found specification of procedure ti_set_mcr [2022-11-18 18:32:31,245 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_set_mcr [2022-11-18 18:32:31,245 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-11-18 18:32:31,246 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-11-18 18:32:31,246 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-18 18:32:31,246 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-18 18:32:31,246 INFO L130 BoogieDeclarations]: Found specification of procedure ti_startup [2022-11-18 18:32:31,246 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_startup [2022-11-18 18:32:31,246 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-18 18:32:31,246 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-18 18:32:31,246 INFO L130 BoogieDeclarations]: Found specification of procedure ti_ioctl [2022-11-18 18:32:31,247 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_ioctl [2022-11-18 18:32:31,247 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-18 18:32:31,247 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-18 18:32:31,247 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_detach_2 [2022-11-18 18:32:31,247 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_detach_2 [2022-11-18 18:32:31,247 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_detach_1 [2022-11-18 18:32:31,247 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_detach_1 [2022-11-18 18:32:31,247 INFO L130 BoogieDeclarations]: Found specification of procedure ti_tiocmget [2022-11-18 18:32:31,248 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_tiocmget [2022-11-18 18:32:31,248 INFO L130 BoogieDeclarations]: Found specification of procedure msleep_interruptible [2022-11-18 18:32:31,248 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep_interruptible [2022-11-18 18:32:31,248 INFO L130 BoogieDeclarations]: Found specification of procedure __kfifo_free [2022-11-18 18:32:31,248 INFO L138 BoogieDeclarations]: Found implementation of procedure __kfifo_free [2022-11-18 18:32:31,249 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_debug_data [2022-11-18 18:32:31,249 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_debug_data [2022-11-18 18:32:31,249 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-18 18:32:31,249 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-18 18:32:31,249 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-18 18:32:31,249 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_serial_data [2022-11-18 18:32:31,250 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_serial_data [2022-11-18 18:32:31,250 INFO L130 BoogieDeclarations]: Found specification of procedure ti_break [2022-11-18 18:32:31,252 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_break [2022-11-18 18:32:31,252 INFO L130 BoogieDeclarations]: Found specification of procedure __swab16s [2022-11-18 18:32:31,253 INFO L138 BoogieDeclarations]: Found implementation of procedure __swab16s [2022-11-18 18:32:31,253 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-18 18:32:31,253 INFO L130 BoogieDeclarations]: Found specification of procedure signal_pending [2022-11-18 18:32:31,253 INFO L138 BoogieDeclarations]: Found implementation of procedure signal_pending [2022-11-18 18:32:31,253 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-18 18:32:31,254 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-18 18:32:31,254 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-18 18:32:31,254 INFO L130 BoogieDeclarations]: Found specification of procedure ti_write [2022-11-18 18:32:31,254 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_write [2022-11-18 18:32:31,254 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-18 18:32:31,254 INFO L130 BoogieDeclarations]: Found specification of procedure ti_restart_read [2022-11-18 18:32:31,255 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_restart_read [2022-11-18 18:32:31,255 INFO L130 BoogieDeclarations]: Found specification of procedure trace_kmalloc [2022-11-18 18:32:31,256 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_kmalloc [2022-11-18 18:32:31,256 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2022-11-18 18:32:31,256 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2022-11-18 18:32:31,256 INFO L130 BoogieDeclarations]: Found specification of procedure ti_release [2022-11-18 18:32:31,256 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_release [2022-11-18 18:32:31,256 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_deregister [2022-11-18 18:32:31,256 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_deregister [2022-11-18 18:32:31,257 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-11-18 18:32:31,257 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-11-18 18:32:31,257 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_s_reg [2022-11-18 18:32:31,257 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_s_reg [2022-11-18 18:32:31,257 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-11-18 18:32:31,257 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-11-18 18:32:31,257 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2022-11-18 18:32:31,258 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2022-11-18 18:32:31,258 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-11-18 18:32:31,258 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-11-18 18:32:31,258 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-11-18 18:32:31,259 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-11-18 18:32:31,259 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_tty_get [2022-11-18 18:32:31,259 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_port_tty_get [2022-11-18 18:32:31,259 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-11-18 18:32:31,259 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-11-18 18:32:31,260 INFO L130 BoogieDeclarations]: Found specification of procedure usb_clear_halt [2022-11-18 18:32:31,261 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_clear_halt [2022-11-18 18:32:31,261 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-18 18:32:31,261 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-11-18 18:32:31,261 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-11-18 18:32:31,262 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2022-11-18 18:32:31,262 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2022-11-18 18:32:31,262 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-18 18:32:31,262 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-18 18:32:31,262 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_serial_port_data [2022-11-18 18:32:31,263 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_serial_port_data [2022-11-18 18:32:31,263 INFO L130 BoogieDeclarations]: Found specification of procedure ti_command_out_sync [2022-11-18 18:32:31,263 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_command_out_sync [2022-11-18 18:32:31,263 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2022-11-18 18:32:31,263 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2022-11-18 18:32:31,263 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2022-11-18 18:32:31,264 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2022-11-18 18:32:31,264 INFO L130 BoogieDeclarations]: Found specification of procedure ti_open [2022-11-18 18:32:31,264 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_open [2022-11-18 18:32:31,264 INFO L130 BoogieDeclarations]: Found specification of procedure ti_tiocmset [2022-11-18 18:32:31,264 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_tiocmset [2022-11-18 18:32:31,265 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-18 18:32:31,266 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-18 18:32:31,267 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-18 18:32:31,269 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2022-11-18 18:32:31,270 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2022-11-18 18:32:31,270 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_s_der [2022-11-18 18:32:31,270 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_s_der [2022-11-18 18:32:31,271 INFO L130 BoogieDeclarations]: Found specification of procedure ti_write_byte [2022-11-18 18:32:31,272 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_write_byte [2022-11-18 18:32:31,274 INFO L130 BoogieDeclarations]: Found specification of procedure ti_chars_in_buffer [2022-11-18 18:32:31,274 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_chars_in_buffer [2022-11-18 18:32:31,274 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-18 18:32:31,278 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-18 18:32:31,278 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2022-11-18 18:32:31,278 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2022-11-18 18:32:31,278 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_register [2022-11-18 18:32:31,279 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_register [2022-11-18 18:32:31,279 INFO L130 BoogieDeclarations]: Found specification of procedure ti_write_room [2022-11-18 18:32:31,279 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_write_room [2022-11-18 18:32:31,279 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-18 18:32:31,279 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_alloc_notrace [2022-11-18 18:32:31,279 INFO L130 BoogieDeclarations]: Found specification of procedure ti_interrupt_callback [2022-11-18 18:32:31,279 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_interrupt_callback [2022-11-18 18:32:31,279 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-18 18:32:31,280 INFO L130 BoogieDeclarations]: Found specification of procedure tty_wakeup [2022-11-18 18:32:31,280 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_wakeup [2022-11-18 18:32:31,280 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-18 18:32:31,280 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-18 18:32:31,280 INFO L130 BoogieDeclarations]: Found specification of procedure ti_close [2022-11-18 18:32:31,280 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_close [2022-11-18 18:32:31,280 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2022-11-18 18:32:31,280 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2022-11-18 18:32:31,280 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2022-11-18 18:32:31,281 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2022-11-18 18:32:31,281 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_sched_notrace [2022-11-18 18:32:31,281 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock_sched_notrace [2022-11-18 18:32:31,281 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2022-11-18 18:32:31,281 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2022-11-18 18:32:31,281 INFO L130 BoogieDeclarations]: Found specification of procedure ti_unthrottle [2022-11-18 18:32:31,281 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_unthrottle [2022-11-18 18:32:31,281 INFO L130 BoogieDeclarations]: Found specification of procedure request_firmware [2022-11-18 18:32:31,281 INFO L138 BoogieDeclarations]: Found implementation of procedure request_firmware [2022-11-18 18:32:31,282 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-11-18 18:32:31,282 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-11-18 18:32:31,282 INFO L130 BoogieDeclarations]: Found specification of procedure ti_send [2022-11-18 18:32:31,282 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_send [2022-11-18 18:32:31,282 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2022-11-18 18:32:31,282 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2022-11-18 18:32:31,282 INFO L130 BoogieDeclarations]: Found specification of procedure ti_drain [2022-11-18 18:32:31,283 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_drain [2022-11-18 18:32:31,283 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-18 18:32:31,283 INFO L130 BoogieDeclarations]: Found specification of procedure ti_set_termios [2022-11-18 18:32:31,283 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_set_termios [2022-11-18 18:32:31,283 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_serial_data [2022-11-18 18:32:31,284 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_serial_data [2022-11-18 18:32:31,284 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-18 18:32:31,284 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-18 18:32:31,995 INFO L235 CfgBuilder]: Building ICFG [2022-11-18 18:32:31,999 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-18 18:32:32,637 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-18 18:33:37,159 INFO L276 CfgBuilder]: Performing block encoding [2022-11-18 18:33:37,182 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-18 18:33:37,182 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-18 18:33:37,186 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 06:33:37 BoogieIcfgContainer [2022-11-18 18:33:37,187 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-18 18:33:37,189 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-18 18:33:37,190 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-18 18:33:37,198 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-18 18:33:37,199 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 06:32:27" (1/3) ... [2022-11-18 18:33:37,200 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63051939 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 06:33:37, skipping insertion in model container [2022-11-18 18:33:37,200 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:32:30" (2/3) ... [2022-11-18 18:33:37,200 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63051939 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 06:33:37, skipping insertion in model container [2022-11-18 18:33:37,200 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 06:33:37" (3/3) ... [2022-11-18 18:33:37,202 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-stable-5742d35-1-136_1a-drivers--usb--serial--ti_usb_3410_5052.ko-entry_point.cil.out.i [2022-11-18 18:33:37,227 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-18 18:33:37,228 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-18 18:33:37,352 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-18 18:33:37,364 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@350c8a2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-18 18:33:37,364 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-18 18:33:37,378 INFO L276 IsEmpty]: Start isEmpty. Operand has 1578 states, 1152 states have (on average 1.4418402777777777) internal successors, (1661), 1181 states have internal predecessors, (1661), 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) [2022-11-18 18:33:37,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-11-18 18:33:37,395 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:33:37,396 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] [2022-11-18 18:33:37,396 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 18:33:37,404 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:33:37,404 INFO L85 PathProgramCache]: Analyzing trace with hash 26162472, now seen corresponding path program 1 times [2022-11-18 18:33:37,415 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:33:37,415 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [446730818] [2022-11-18 18:33:37,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:33:37,417 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:33:38,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:33:38,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 18:33:38,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:33:38,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-18 18:33:38,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:33:38,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-18 18:33:38,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:33:38,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-18 18:33:38,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:33:38,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-18 18:33:38,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:33:38,753 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2022-11-18 18:33:38,753 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:33:38,754 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [446730818] [2022-11-18 18:33:38,755 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [446730818] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:33:38,755 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:33:38,756 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-18 18:33:38,757 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1801353718] [2022-11-18 18:33:38,758 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:33:38,763 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-18 18:33:38,764 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:33:38,803 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-18 18:33:38,804 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-18 18:33:38,811 INFO L87 Difference]: Start difference. First operand has 1578 states, 1152 states have (on average 1.4418402777777777) internal successors, (1661), 1181 states have internal predecessors, (1661), 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 4 states, 4 states have (on average 4.75) 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) [2022-11-18 18:33:40,945 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:33:42,973 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:33:54,637 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 18:33:54,637 INFO L93 Difference]: Finished difference Result 5028 states and 8077 transitions. [2022-11-18 18:33:54,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-18 18:33:54,644 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.75) 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 [2022-11-18 18:33:54,645 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 18:33:54,712 INFO L225 Difference]: With dead ends: 5028 [2022-11-18 18:33:54,712 INFO L226 Difference]: Without dead ends: 3437 [2022-11-18 18:33:54,744 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-18 18:33:54,747 INFO L413 NwaCegarLoop]: 2548 mSDtfsCounter, 3086 mSDsluCounter, 3388 mSDsCounter, 0 mSdLazyCounter, 1838 mSolverCounterSat, 882 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3293 SdHoareTripleChecker+Valid, 5936 SdHoareTripleChecker+Invalid, 2722 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 882 IncrementalHoareTripleChecker+Valid, 1838 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.2s IncrementalHoareTripleChecker+Time [2022-11-18 18:33:54,749 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3293 Valid, 5936 Invalid, 2722 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [882 Valid, 1838 Invalid, 2 Unknown, 0 Unchecked, 15.2s Time] [2022-11-18 18:33:54,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3437 states. [2022-11-18 18:33:55,019 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3437 to 2905. [2022-11-18 18:33:55,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2905 states, 2118 states have (on average 1.4291784702549575) internal successors, (3027), 2156 states have internal predecessors, (3027), 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) [2022-11-18 18:33:55,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2905 states to 2905 states and 4308 transitions. [2022-11-18 18:33:55,063 INFO L78 Accepts]: Start accepts. Automaton has 2905 states and 4308 transitions. Word has length 43 [2022-11-18 18:33:55,064 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 18:33:55,065 INFO L495 AbstractCegarLoop]: Abstraction has 2905 states and 4308 transitions. [2022-11-18 18:33:55,065 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.75) 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) [2022-11-18 18:33:55,065 INFO L276 IsEmpty]: Start isEmpty. Operand 2905 states and 4308 transitions. [2022-11-18 18:33:55,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-11-18 18:33:55,078 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:33:55,078 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] [2022-11-18 18:33:55,079 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-18 18:33:55,079 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 18:33:55,080 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:33:55,080 INFO L85 PathProgramCache]: Analyzing trace with hash 1762597066, now seen corresponding path program 1 times [2022-11-18 18:33:55,080 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:33:55,081 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [198363714] [2022-11-18 18:33:55,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:33:55,081 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:33:55,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:33:55,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 18:33:55,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:33:55,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-18 18:33:55,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:33:55,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-18 18:33:55,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:33:55,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-18 18:33:55,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:33:55,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-18 18:33:55,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:33:55,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-18 18:33:55,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:33:55,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-11-18 18:33:55,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:33:55,919 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2022-11-18 18:33:55,919 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:33:55,919 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [198363714] [2022-11-18 18:33:55,920 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [198363714] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:33:55,920 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:33:55,920 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-18 18:33:55,920 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [132107767] [2022-11-18 18:33:55,920 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:33:55,921 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-18 18:33:55,921 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:33:55,922 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-18 18:33:55,922 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-18 18:33:55,922 INFO L87 Difference]: Start difference. First operand 2905 states and 4308 transitions. Second operand has 5 states, 5 states have (on average 7.4) internal successors, (37), 3 states have internal predecessors, (37), 2 states have call successors, (8), 4 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2022-11-18 18:33:58,012 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 [] [2022-11-18 18:34:00,028 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:34:17,027 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:34:25,011 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 18:34:25,012 INFO L93 Difference]: Finished difference Result 6818 states and 10626 transitions. [2022-11-18 18:34:25,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-18 18:34:25,013 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.4) internal successors, (37), 3 states have internal predecessors, (37), 2 states have call successors, (8), 4 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 [2022-11-18 18:34:25,014 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 18:34:25,077 INFO L225 Difference]: With dead ends: 6818 [2022-11-18 18:34:25,078 INFO L226 Difference]: Without dead ends: 6805 [2022-11-18 18:34:25,085 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-11-18 18:34:25,086 INFO L413 NwaCegarLoop]: 979 mSDtfsCounter, 5252 mSDsluCounter, 1646 mSDsCounter, 0 mSdLazyCounter, 5570 mSolverCounterSat, 2281 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 26.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5600 SdHoareTripleChecker+Valid, 2625 SdHoareTripleChecker+Invalid, 7854 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2281 IncrementalHoareTripleChecker+Valid, 5570 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 28.3s IncrementalHoareTripleChecker+Time [2022-11-18 18:34:25,087 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5600 Valid, 2625 Invalid, 7854 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2281 Valid, 5570 Invalid, 3 Unknown, 0 Unchecked, 28.3s Time] [2022-11-18 18:34:25,097 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6805 states. [2022-11-18 18:34:25,514 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6805 to 5771. [2022-11-18 18:34:25,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5771 states, 4211 states have (on average 1.43053906435526) internal successors, (6024), 4288 states have internal predecessors, (6024), 1271 states have call successors, (1271), 285 states have call predecessors, (1271), 288 states have return successors, (1336), 1257 states have call predecessors, (1336), 1266 states have call successors, (1336) [2022-11-18 18:34:25,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5771 states to 5771 states and 8631 transitions. [2022-11-18 18:34:25,562 INFO L78 Accepts]: Start accepts. Automaton has 5771 states and 8631 transitions. Word has length 64 [2022-11-18 18:34:25,562 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 18:34:25,563 INFO L495 AbstractCegarLoop]: Abstraction has 5771 states and 8631 transitions. [2022-11-18 18:34:25,563 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.4) internal successors, (37), 3 states have internal predecessors, (37), 2 states have call successors, (8), 4 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2022-11-18 18:34:25,563 INFO L276 IsEmpty]: Start isEmpty. Operand 5771 states and 8631 transitions. [2022-11-18 18:34:25,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-11-18 18:34:25,575 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:34:25,575 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] [2022-11-18 18:34:25,575 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-18 18:34:25,576 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 18:34:25,576 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:34:25,576 INFO L85 PathProgramCache]: Analyzing trace with hash -1194689646, now seen corresponding path program 1 times [2022-11-18 18:34:25,577 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:34:25,577 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1647611230] [2022-11-18 18:34:25,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:34:25,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:34:26,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:34:27,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 18:34:27,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:34:27,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-18 18:34:27,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:34:27,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-18 18:34:27,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:34:27,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-18 18:34:27,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:34:27,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-18 18:34:27,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:34:27,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-18 18:34:27,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:34:27,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-11-18 18:34:27,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:34:27,236 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2022-11-18 18:34:27,237 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:34:27,237 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1647611230] [2022-11-18 18:34:27,237 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1647611230] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:34:27,237 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:34:27,237 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-18 18:34:27,237 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [322939365] [2022-11-18 18:34:27,238 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:34:27,238 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-18 18:34:27,238 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:34:27,239 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-18 18:34:27,239 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-11-18 18:34:27,239 INFO L87 Difference]: Start difference. First operand 5771 states and 8631 transitions. Second operand has 9 states, 9 states have (on average 4.222222222222222) internal successors, (38), 6 states have internal predecessors, (38), 2 states have call successors, (8), 4 states have call predecessors, (8), 2 states have return successors, (7), 2 states have call predecessors, (7), 1 states have call successors, (7) [2022-11-18 18:34:29,351 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:34:31,366 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:35:07,431 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.22s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-18 18:35:14,249 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 18:35:14,249 INFO L93 Difference]: Finished difference Result 16661 states and 27054 transitions. [2022-11-18 18:35:14,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-18 18:35:14,250 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 4.222222222222222) internal successors, (38), 6 states have internal predecessors, (38), 2 states have call successors, (8), 4 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 65 [2022-11-18 18:35:14,251 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 18:35:14,356 INFO L225 Difference]: With dead ends: 16661 [2022-11-18 18:35:14,356 INFO L226 Difference]: Without dead ends: 10903 [2022-11-18 18:35:14,400 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=40, Invalid=142, Unknown=0, NotChecked=0, Total=182 [2022-11-18 18:35:14,401 INFO L413 NwaCegarLoop]: 1964 mSDtfsCounter, 4619 mSDsluCounter, 8505 mSDsCounter, 0 mSdLazyCounter, 14977 mSolverCounterSat, 1670 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 43.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5011 SdHoareTripleChecker+Valid, 10469 SdHoareTripleChecker+Invalid, 16650 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 1670 IncrementalHoareTripleChecker+Valid, 14977 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 45.8s IncrementalHoareTripleChecker+Time [2022-11-18 18:35:14,402 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5011 Valid, 10469 Invalid, 16650 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [1670 Valid, 14977 Invalid, 3 Unknown, 0 Unchecked, 45.8s Time] [2022-11-18 18:35:14,415 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10903 states. [2022-11-18 18:35:14,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10903 to 5781. [2022-11-18 18:35:14,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5781 states, 4219 states have (on average 1.4297226831002607) internal successors, (6032), 4296 states have internal predecessors, (6032), 1271 states have call successors, (1271), 285 states have call predecessors, (1271), 290 states have return successors, (1340), 1259 states have call predecessors, (1340), 1266 states have call successors, (1340) [2022-11-18 18:35:14,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5781 states to 5781 states and 8643 transitions. [2022-11-18 18:35:14,923 INFO L78 Accepts]: Start accepts. Automaton has 5781 states and 8643 transitions. Word has length 65 [2022-11-18 18:35:14,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 18:35:14,924 INFO L495 AbstractCegarLoop]: Abstraction has 5781 states and 8643 transitions. [2022-11-18 18:35:14,924 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 4.222222222222222) internal successors, (38), 6 states have internal predecessors, (38), 2 states have call successors, (8), 4 states have call predecessors, (8), 2 states have return successors, (7), 2 states have call predecessors, (7), 1 states have call successors, (7) [2022-11-18 18:35:14,924 INFO L276 IsEmpty]: Start isEmpty. Operand 5781 states and 8643 transitions. [2022-11-18 18:35:14,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-11-18 18:35:14,929 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:35:14,929 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] [2022-11-18 18:35:14,929 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-18 18:35:14,930 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 18:35:14,930 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:35:14,930 INFO L85 PathProgramCache]: Analyzing trace with hash 2089160400, now seen corresponding path program 1 times [2022-11-18 18:35:14,930 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:35:14,932 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1711097866] [2022-11-18 18:35:14,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:35:14,932 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:35:15,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:35:15,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 18:35:15,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:35:15,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-18 18:35:15,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:35:15,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-18 18:35:15,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:35:15,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-18 18:35:15,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:35:15,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-18 18:35:15,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:35:15,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-18 18:35:15,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:35:15,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-11-18 18:35:15,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:35:15,657 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2022-11-18 18:35:15,657 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:35:15,659 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1711097866] [2022-11-18 18:35:15,659 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1711097866] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:35:15,659 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:35:15,659 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-18 18:35:15,660 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1054874715] [2022-11-18 18:35:15,660 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:35:15,660 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-18 18:35:15,660 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:35:15,661 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-18 18:35:15,661 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-18 18:35:15,662 INFO L87 Difference]: Start difference. First operand 5781 states and 8643 transitions. Second operand has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (8), 4 states have call predecessors, (8), 2 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2022-11-18 18:35:17,746 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:35:19,799 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:35:25,446 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:35:42,388 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 18:35:42,389 INFO L93 Difference]: Finished difference Result 19343 states and 29864 transitions. [2022-11-18 18:35:42,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-18 18:35:42,390 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (8), 4 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 [2022-11-18 18:35:42,390 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 18:35:42,491 INFO L225 Difference]: With dead ends: 19343 [2022-11-18 18:35:42,491 INFO L226 Difference]: Without dead ends: 13572 [2022-11-18 18:35:42,528 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-11-18 18:35:42,531 INFO L413 NwaCegarLoop]: 823 mSDtfsCounter, 5369 mSDsluCounter, 1704 mSDsCounter, 0 mSdLazyCounter, 5725 mSolverCounterSat, 2243 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 24.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5700 SdHoareTripleChecker+Valid, 2527 SdHoareTripleChecker+Invalid, 7970 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2243 IncrementalHoareTripleChecker+Valid, 5725 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 25.8s IncrementalHoareTripleChecker+Time [2022-11-18 18:35:42,532 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5700 Valid, 2527 Invalid, 7970 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2243 Valid, 5725 Invalid, 2 Unknown, 0 Unchecked, 25.8s Time] [2022-11-18 18:35:42,548 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13572 states. [2022-11-18 18:35:43,194 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13572 to 11500. [2022-11-18 18:35:43,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11500 states, 8400 states have (on average 1.4310714285714285) internal successors, (12021), 8553 states have internal predecessors, (12021), 2525 states have call successors, (2525), 565 states have call predecessors, (2525), 574 states have return successors, (2662), 2501 states have call predecessors, (2662), 2514 states have call successors, (2662) [2022-11-18 18:35:43,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11500 states to 11500 states and 17208 transitions. [2022-11-18 18:35:43,286 INFO L78 Accepts]: Start accepts. Automaton has 11500 states and 17208 transitions. Word has length 65 [2022-11-18 18:35:43,288 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 18:35:43,289 INFO L495 AbstractCegarLoop]: Abstraction has 11500 states and 17208 transitions. [2022-11-18 18:35:43,290 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (8), 4 states have call predecessors, (8), 2 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2022-11-18 18:35:43,290 INFO L276 IsEmpty]: Start isEmpty. Operand 11500 states and 17208 transitions. [2022-11-18 18:35:43,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2022-11-18 18:35:43,297 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:35:43,297 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] [2022-11-18 18:35:43,297 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-18 18:35:43,298 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 18:35:43,298 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:35:43,298 INFO L85 PathProgramCache]: Analyzing trace with hash 133535269, now seen corresponding path program 1 times [2022-11-18 18:35:43,299 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:35:43,299 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [718825264] [2022-11-18 18:35:43,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:35:43,299 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:35:43,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:35:44,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 18:35:44,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:35:44,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-18 18:35:44,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:35:44,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-18 18:35:44,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:35:44,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-18 18:35:44,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:35:44,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-18 18:35:44,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:35:44,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-18 18:35:44,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:35:44,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-11-18 18:35:44,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:35:44,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2022-11-18 18:35:44,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:35:44,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-11-18 18:35:44,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:35:44,126 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2022-11-18 18:35:44,126 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:35:44,126 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [718825264] [2022-11-18 18:35:44,127 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [718825264] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:35:44,127 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:35:44,127 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-18 18:35:44,127 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1448475375] [2022-11-18 18:35:44,127 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:35:44,129 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-18 18:35:44,129 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:35:44,129 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-18 18:35:44,130 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-18 18:35:44,130 INFO L87 Difference]: Start difference. First operand 11500 states and 17208 transitions. Second operand has 5 states, 5 states have (on average 8.2) internal successors, (41), 3 states have internal predecessors, (41), 3 states have call successors, (11), 5 states have call predecessors, (11), 2 states have return successors, (9), 2 states have call predecessors, (9), 1 states have call successors, (9) [2022-11-18 18:35:46,214 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:35:48,257 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:35:50,290 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:36:12,753 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.18s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:36:17,927 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 18:36:17,927 INFO L93 Difference]: Finished difference Result 13563 states and 21162 transitions. [2022-11-18 18:36:17,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-18 18:36:17,928 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.2) internal successors, (41), 3 states have internal predecessors, (41), 3 states have call successors, (11), 5 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 [2022-11-18 18:36:17,928 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 18:36:18,016 INFO L225 Difference]: With dead ends: 13563 [2022-11-18 18:36:18,016 INFO L226 Difference]: Without dead ends: 13560 [2022-11-18 18:36:18,030 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-11-18 18:36:18,031 INFO L413 NwaCegarLoop]: 1411 mSDtfsCounter, 3556 mSDsluCounter, 2574 mSDsCounter, 0 mSdLazyCounter, 8375 mSolverCounterSat, 1562 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 31.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3885 SdHoareTripleChecker+Valid, 3985 SdHoareTripleChecker+Invalid, 9941 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1562 IncrementalHoareTripleChecker+Valid, 8375 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 32.9s IncrementalHoareTripleChecker+Time [2022-11-18 18:36:18,031 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3885 Valid, 3985 Invalid, 9941 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1562 Valid, 8375 Invalid, 4 Unknown, 0 Unchecked, 32.9s Time] [2022-11-18 18:36:18,049 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13560 states. [2022-11-18 18:36:18,844 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13560 to 11486. [2022-11-18 18:36:18,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11486 states, 8388 states have (on average 1.4309728183118742) internal successors, (12003), 8543 states have internal predecessors, (12003), 2525 states have call successors, (2525), 565 states have call predecessors, (2525), 572 states have return successors, (2624), 2497 states have call predecessors, (2624), 2514 states have call successors, (2624) [2022-11-18 18:36:18,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11486 states to 11486 states and 17152 transitions. [2022-11-18 18:36:18,915 INFO L78 Accepts]: Start accepts. Automaton has 11486 states and 17152 transitions. Word has length 76 [2022-11-18 18:36:18,915 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 18:36:18,916 INFO L495 AbstractCegarLoop]: Abstraction has 11486 states and 17152 transitions. [2022-11-18 18:36:18,916 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.2) internal successors, (41), 3 states have internal predecessors, (41), 3 states have call successors, (11), 5 states have call predecessors, (11), 2 states have return successors, (9), 2 states have call predecessors, (9), 1 states have call successors, (9) [2022-11-18 18:36:18,916 INFO L276 IsEmpty]: Start isEmpty. Operand 11486 states and 17152 transitions. [2022-11-18 18:36:18,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2022-11-18 18:36:18,923 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:36:18,923 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] [2022-11-18 18:36:18,923 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-18 18:36:18,923 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 18:36:18,924 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:36:18,924 INFO L85 PathProgramCache]: Analyzing trace with hash 532249317, now seen corresponding path program 1 times [2022-11-18 18:36:18,924 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:36:18,924 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1636095381] [2022-11-18 18:36:18,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:36:18,925 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:36:19,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:36:19,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 18:36:19,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:36:19,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-18 18:36:19,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:36:19,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-18 18:36:19,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:36:19,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-18 18:36:19,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:36:19,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-18 18:36:19,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:36:19,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-18 18:36:19,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:36:19,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-11-18 18:36:19,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:36:20,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2022-11-18 18:36:20,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:36:20,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-11-18 18:36:20,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:36:20,044 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2022-11-18 18:36:20,044 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:36:20,044 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1636095381] [2022-11-18 18:36:20,045 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1636095381] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 18:36:20,045 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1824338781] [2022-11-18 18:36:20,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:36:20,045 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 18:36:20,045 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a397a6d3-d7c3-4b4c-9ac8-a259ff134ea7/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 18:36:20,059 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a397a6d3-d7c3-4b4c-9ac8-a259ff134ea7/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 18:36:20,093 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a397a6d3-d7c3-4b4c-9ac8-a259ff134ea7/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-18 18:36:21,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:36:21,464 INFO L263 TraceCheckSpWp]: Trace formula consists of 4346 conjuncts, 19 conjunts are in the unsatisfiable core [2022-11-18 18:36:21,474 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 18:36:21,550 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2022-11-18 18:36:21,550 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 18:36:21,551 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1824338781] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:36:21,551 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-18 18:36:21,551 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [9] total 9 [2022-11-18 18:36:21,552 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1798664229] [2022-11-18 18:36:21,552 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:36:21,552 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-18 18:36:21,552 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:36:21,553 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-18 18:36:21,553 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-11-18 18:36:21,553 INFO L87 Difference]: Start difference. First operand 11486 states and 17152 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) [2022-11-18 18:36:23,023 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 18:36:23,023 INFO L93 Difference]: Finished difference Result 22900 states and 34750 transitions. [2022-11-18 18:36:23,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-18 18:36:23,024 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 [2022-11-18 18:36:23,024 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 18:36:23,086 INFO L225 Difference]: With dead ends: 22900 [2022-11-18 18:36:23,086 INFO L226 Difference]: Without dead ends: 11427 [2022-11-18 18:36:23,131 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 93 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2022-11-18 18:36:23,132 INFO L413 NwaCegarLoop]: 3028 mSDtfsCounter, 1850 mSDsluCounter, 14099 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 350 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1968 SdHoareTripleChecker+Valid, 17127 SdHoareTripleChecker+Invalid, 419 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 350 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-18 18:36:23,132 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1968 Valid, 17127 Invalid, 419 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [350 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-11-18 18:36:23,147 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11427 states. [2022-11-18 18:36:23,668 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11427 to 8600. [2022-11-18 18:36:23,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8600 states, 6279 states have (on average 1.4304825609173435) internal successors, (8982), 6392 states have internal predecessors, (8982), 1894 states have call successors, (1894), 425 states have call predecessors, (1894), 426 states have return successors, (1924), 1872 states have call predecessors, (1924), 1887 states have call successors, (1924) [2022-11-18 18:36:23,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8600 states to 8600 states and 12800 transitions. [2022-11-18 18:36:23,719 INFO L78 Accepts]: Start accepts. Automaton has 8600 states and 12800 transitions. Word has length 76 [2022-11-18 18:36:23,720 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 18:36:23,720 INFO L495 AbstractCegarLoop]: Abstraction has 8600 states and 12800 transitions. [2022-11-18 18:36:23,720 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) [2022-11-18 18:36:23,720 INFO L276 IsEmpty]: Start isEmpty. Operand 8600 states and 12800 transitions. [2022-11-18 18:36:23,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-11-18 18:36:23,728 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:36:23,728 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] [2022-11-18 18:36:23,748 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a397a6d3-d7c3-4b4c-9ac8-a259ff134ea7/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-18 18:36:23,942 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a397a6d3-d7c3-4b4c-9ac8-a259ff134ea7/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 18:36:23,944 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 18:36:23,945 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:36:23,946 INFO L85 PathProgramCache]: Analyzing trace with hash 1146234387, now seen corresponding path program 1 times [2022-11-18 18:36:23,946 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:36:23,946 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1891862010] [2022-11-18 18:36:23,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:36:23,947 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:36:24,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:36:24,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 18:36:24,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:36:24,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-18 18:36:24,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:36:24,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-18 18:36:24,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:36:24,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-18 18:36:24,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:36:24,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-18 18:36:24,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:36:24,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-18 18:36:24,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:36:24,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-11-18 18:36:24,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:36:24,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2022-11-18 18:36:24,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:36:24,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-11-18 18:36:24,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:36:24,993 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2022-11-18 18:36:24,993 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:36:24,993 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1891862010] [2022-11-18 18:36:24,994 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1891862010] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:36:24,994 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:36:24,994 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-18 18:36:24,994 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1106525696] [2022-11-18 18:36:24,994 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:36:24,995 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-18 18:36:24,996 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:36:24,996 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-18 18:36:24,996 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-11-18 18:36:24,997 INFO L87 Difference]: Start difference. First operand 8600 states and 12800 transitions. Second operand has 9 states, 9 states have (on average 4.888888888888889) internal successors, (44), 7 states have internal predecessors, (44), 2 states have call successors, (11), 4 states have call predecessors, (11), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2022-11-18 18:36:27,078 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:36:29,109 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:36:53,455 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 [] [2022-11-18 18:37:08,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 18:37:08,770 INFO L93 Difference]: Finished difference Result 15120 states and 25387 transitions. [2022-11-18 18:37:08,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-18 18:37:08,771 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 4.888888888888889) internal successors, (44), 7 states have internal predecessors, (44), 2 states have call successors, (11), 4 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 [2022-11-18 18:37:08,771 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 18:37:08,955 INFO L225 Difference]: With dead ends: 15120 [2022-11-18 18:37:08,955 INFO L226 Difference]: Without dead ends: 15100 [2022-11-18 18:37:08,964 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=54, Invalid=156, Unknown=0, NotChecked=0, Total=210 [2022-11-18 18:37:08,966 INFO L413 NwaCegarLoop]: 2077 mSDtfsCounter, 7482 mSDsluCounter, 7664 mSDsCounter, 0 mSdLazyCounter, 13814 mSolverCounterSat, 2544 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 40.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7849 SdHoareTripleChecker+Valid, 9741 SdHoareTripleChecker+Invalid, 16360 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 2544 IncrementalHoareTripleChecker+Valid, 13814 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 42.4s IncrementalHoareTripleChecker+Time [2022-11-18 18:37:08,966 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7849 Valid, 9741 Invalid, 16360 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [2544 Valid, 13814 Invalid, 2 Unknown, 0 Unchecked, 42.4s Time] [2022-11-18 18:37:08,979 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15100 states. [2022-11-18 18:37:09,686 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15100 to 8604. [2022-11-18 18:37:09,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8604 states, 6283 states have (on average 1.430208499124622) internal successors, (8986), 6396 states have internal predecessors, (8986), 1894 states have call successors, (1894), 425 states have call predecessors, (1894), 426 states have return successors, (1924), 1872 states have call predecessors, (1924), 1887 states have call successors, (1924) [2022-11-18 18:37:09,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8604 states to 8604 states and 12804 transitions. [2022-11-18 18:37:09,737 INFO L78 Accepts]: Start accepts. Automaton has 8604 states and 12804 transitions. Word has length 81 [2022-11-18 18:37:09,737 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 18:37:09,737 INFO L495 AbstractCegarLoop]: Abstraction has 8604 states and 12804 transitions. [2022-11-18 18:37:09,738 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 4.888888888888889) internal successors, (44), 7 states have internal predecessors, (44), 2 states have call successors, (11), 4 states have call predecessors, (11), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2022-11-18 18:37:09,738 INFO L276 IsEmpty]: Start isEmpty. Operand 8604 states and 12804 transitions. [2022-11-18 18:37:09,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2022-11-18 18:37:09,752 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:37:09,752 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] [2022-11-18 18:37:09,752 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-18 18:37:09,753 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 18:37:09,753 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:37:09,753 INFO L85 PathProgramCache]: Analyzing trace with hash -2007637040, now seen corresponding path program 1 times [2022-11-18 18:37:09,753 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:37:09,754 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1230578148] [2022-11-18 18:37:09,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:37:09,754 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:37:09,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:37:10,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 18:37:10,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:37:10,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-18 18:37:10,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:37:10,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-18 18:37:10,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:37:10,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-18 18:37:10,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:37:10,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-18 18:37:10,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:37:10,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-18 18:37:10,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:37:10,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-11-18 18:37:10,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:37:10,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2022-11-18 18:37:10,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:37:10,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-11-18 18:37:10,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:37:10,299 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2022-11-18 18:37:10,299 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:37:10,299 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1230578148] [2022-11-18 18:37:10,299 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1230578148] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:37:10,299 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:37:10,300 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-18 18:37:10,300 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [451340902] [2022-11-18 18:37:10,300 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:37:10,300 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 18:37:10,300 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:37:10,301 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 18:37:10,301 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-18 18:37:10,301 INFO L87 Difference]: Start difference. First operand 8604 states and 12804 transitions. Second operand has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 4 states have internal predecessors, (46), 2 states have call successors, (10), 4 states have call predecessors, (10), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2022-11-18 18:37:12,386 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:37:14,415 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:37:29,513 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.44s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:37:33,391 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 18:37:33,391 INFO L93 Difference]: Finished difference Result 16304 states and 25131 transitions. [2022-11-18 18:37:33,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-18 18:37:33,393 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 4 states have internal predecessors, (46), 2 states have call successors, (10), 4 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 [2022-11-18 18:37:33,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 18:37:33,438 INFO L225 Difference]: With dead ends: 16304 [2022-11-18 18:37:33,438 INFO L226 Difference]: Without dead ends: 7713 [2022-11-18 18:37:33,466 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2022-11-18 18:37:33,466 INFO L413 NwaCegarLoop]: 1325 mSDtfsCounter, 4169 mSDsluCounter, 2650 mSDsCounter, 0 mSdLazyCounter, 5135 mSolverCounterSat, 1924 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4396 SdHoareTripleChecker+Valid, 3975 SdHoareTripleChecker+Invalid, 7061 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1924 IncrementalHoareTripleChecker+Valid, 5135 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 22.3s IncrementalHoareTripleChecker+Time [2022-11-18 18:37:33,467 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4396 Valid, 3975 Invalid, 7061 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1924 Valid, 5135 Invalid, 2 Unknown, 0 Unchecked, 22.3s Time] [2022-11-18 18:37:33,474 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7713 states. [2022-11-18 18:37:33,934 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7713 to 5827. [2022-11-18 18:37:33,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5827 states, 4253 states have (on average 1.4258170703033153) internal successors, (6064), 4330 states have internal predecessors, (6064), 1284 states have call successors, (1284), 289 states have call predecessors, (1284), 289 states have return successors, (1298), 1267 states have call predecessors, (1298), 1277 states have call successors, (1298) [2022-11-18 18:37:33,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5827 states to 5827 states and 8646 transitions. [2022-11-18 18:37:33,967 INFO L78 Accepts]: Start accepts. Automaton has 5827 states and 8646 transitions. Word has length 82 [2022-11-18 18:37:33,968 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 18:37:33,968 INFO L495 AbstractCegarLoop]: Abstraction has 5827 states and 8646 transitions. [2022-11-18 18:37:33,968 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 4 states have internal predecessors, (46), 2 states have call successors, (10), 4 states have call predecessors, (10), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2022-11-18 18:37:33,969 INFO L276 IsEmpty]: Start isEmpty. Operand 5827 states and 8646 transitions. [2022-11-18 18:37:33,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2022-11-18 18:37:33,977 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:37:33,977 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] [2022-11-18 18:37:33,978 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-18 18:37:33,978 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 18:37:33,978 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:37:33,978 INFO L85 PathProgramCache]: Analyzing trace with hash 916348156, now seen corresponding path program 1 times [2022-11-18 18:37:33,979 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:37:33,979 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1609502875] [2022-11-18 18:37:33,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:37:33,979 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:37:34,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 18:37:34,368 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 18:37:34,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 18:37:34,815 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 18:37:34,815 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-18 18:37:34,816 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-18 18:37:34,818 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-18 18:37:34,821 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 18:37:34,825 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-18 18:37:35,075 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 06:37:35 BoogieIcfgContainer [2022-11-18 18:37:35,075 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-18 18:37:35,076 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-18 18:37:35,076 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-18 18:37:35,076 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-18 18:37:35,077 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 06:33:37" (3/4) ... [2022-11-18 18:37:35,080 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-18 18:37:35,080 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-18 18:37:35,081 INFO L158 Benchmark]: Toolchain (without parser) took 307418.94ms. Allocated memory was 127.9MB in the beginning and 2.0GB in the end (delta: 1.8GB). Free memory was 82.0MB in the beginning and 881.9MB in the end (delta: -799.9MB). Peak memory consumption was 1.0GB. Max. memory is 16.1GB. [2022-11-18 18:37:35,081 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 127.9MB. Free memory was 100.9MB in the beginning and 100.8MB in the end (delta: 29.3kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 18:37:35,082 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2596.80ms. Allocated memory was 127.9MB in the beginning and 163.6MB in the end (delta: 35.7MB). Free memory was 81.8MB in the beginning and 68.3MB in the end (delta: 13.5MB). Peak memory consumption was 71.9MB. Max. memory is 16.1GB. [2022-11-18 18:37:35,082 INFO L158 Benchmark]: Boogie Procedure Inliner took 335.50ms. Allocated memory is still 163.6MB. Free memory was 68.0MB in the beginning and 88.8MB in the end (delta: -20.8MB). Peak memory consumption was 18.7MB. Max. memory is 16.1GB. [2022-11-18 18:37:35,083 INFO L158 Benchmark]: Boogie Preprocessor took 460.81ms. Allocated memory is still 163.6MB. Free memory was 88.8MB in the beginning and 57.9MB in the end (delta: 31.0MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2022-11-18 18:37:35,083 INFO L158 Benchmark]: RCFGBuilder took 66126.94ms. Allocated memory was 163.6MB in the beginning and 2.0GB in the end (delta: 1.8GB). Free memory was 57.6MB in the beginning and 1.2GB in the end (delta: -1.2GB). Peak memory consumption was 1.2GB. Max. memory is 16.1GB. [2022-11-18 18:37:35,084 INFO L158 Benchmark]: TraceAbstraction took 237885.83ms. Allocated memory is still 2.0GB. Free memory was 1.2GB in the beginning and 883.0MB in the end (delta: 339.0MB). Peak memory consumption was 339.0MB. Max. memory is 16.1GB. [2022-11-18 18:37:35,084 INFO L158 Benchmark]: Witness Printer took 4.35ms. Allocated memory is still 2.0GB. Free memory was 883.0MB in the beginning and 881.9MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 18:37:35,086 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 127.9MB. Free memory was 100.9MB in the beginning and 100.8MB in the end (delta: 29.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2596.80ms. Allocated memory was 127.9MB in the beginning and 163.6MB in the end (delta: 35.7MB). Free memory was 81.8MB in the beginning and 68.3MB in the end (delta: 13.5MB). Peak memory consumption was 71.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 335.50ms. Allocated memory is still 163.6MB. Free memory was 68.0MB in the beginning and 88.8MB in the end (delta: -20.8MB). Peak memory consumption was 18.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 460.81ms. Allocated memory is still 163.6MB. Free memory was 88.8MB in the beginning and 57.9MB in the end (delta: 31.0MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * RCFGBuilder took 66126.94ms. Allocated memory was 163.6MB in the beginning and 2.0GB in the end (delta: 1.8GB). Free memory was 57.6MB in the beginning and 1.2GB in the end (delta: -1.2GB). Peak memory consumption was 1.2GB. Max. memory is 16.1GB. * TraceAbstraction took 237885.83ms. Allocated memory is still 2.0GB. Free memory was 1.2GB in the beginning and 883.0MB in the end (delta: 339.0MB). Peak memory consumption was 339.0MB. Max. memory is 16.1GB. * Witness Printer took 4.35ms. Allocated memory is still 2.0GB. Free memory was 883.0MB in the beginning and 881.9MB in the end (delta: 1.0MB). There was no memory consumed. 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: [L7205] int ldv_usb_s = 0; [L4078] static unsigned int product_3410_count ; [L4000] int LDV_IN_INTERRUPT = 1; [L4077] static ushort product_3410[5U] ; [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}; [L4081] static ushort product_5052[5U] ; [L4009] int ref_cnt ; [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}; [L4012] struct usb_serial_port *ti_2port_device_group4 ; [L4017] struct urb *ti_2port_device_group1 ; [L4002] struct file *ti_2port_device_group0 ; [L4004] struct usb_serial *ti_2port_device_group3 ; [L4016] struct tty_struct *ti_2port_device_group2 ; [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}}; [L4014] int usb_counter ; [L4073] static int debug ; [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}; [L4075] static ushort vendor_3410[5U] ; [L4216] struct usb_device_id const __mod_usb_device_table ; [L4082] static unsigned int product_5052_count ; [L4005] struct file *ti_1port_device_group0 ; [L4080] static unsigned int vendor_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}}; [L4001] struct usb_interface *ti_usb_driver_group1 ; [L6257] int ldv_retval_0 ; [L7204] int ldv_usb = 0; [L6260] int ldv_retval_1 ; [L4015] struct usb_serial_port *ti_1port_device_group4 ; [L6253] int ldv_retval_2 ; [L4010] struct usb_serial *ti_1port_device_group3 ; [L6263] int ldv_retval_3 ; [L4008] struct tty_struct *ti_1port_device_group2 ; [L6258] int ldv_retval_4 ; [L4013] struct urb *ti_1port_device_group1 ; [L6255] int ldv_retval_5 ; [L4007] int ldv_state_variable_2 ; [L4006] int ldv_state_variable_3 ; [L4003] int ldv_state_variable_0 ; [L4076] static unsigned int vendor_3410_count ; [L4011] int ldv_state_variable_1 ; [L4074] static int closing_wait = 4000; [L4079] static ushort vendor_5052[5U] ; [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}}; 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={62613:62515}, 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={277:0}, product_3410_count=0, product_5052={279:0}, product_5052_count=0, ref_cnt=0, ti_1port_device={278:0}, 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={280:0}, 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={284:0}, ti_id_table_5052={286:0}, ti_id_table_combined={281:0}, ti_usb_driver={282:0}, ti_usb_driver_group1={0:0}, usb_counter=0, vendor_3410={283:0}, vendor_3410_count=0, vendor_5052={285:0}, vendor_5052_count=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={62613:62515}, 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={277:0}, product_3410_count=0, product_5052={279:0}, product_5052_count=0, ref_cnt=0, ti_1port_device={278:0}, 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={280:0}, 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={284:0}, ti_id_table_5052={286:0}, ti_id_table_combined={281:0}, ti_usb_driver={282:0}, ti_usb_driver_group1={0:0}, usb_counter=0, vendor_3410={283:0}, vendor_3410_count=0, vendor_5052={285:0}, 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={62613:62515}, 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={277:0}, product_3410_count=0, product_5052={279:0}, product_5052_count=0, ref_cnt=0, ti_1port_device={278:0}, 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={280:0}, 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={284:0}, ti_id_table_5052={286:0}, ti_id_table_combined={281:0}, ti_usb_driver={282:0}, ti_usb_driver_group1={0:0}, usb_counter=0, vendor_3410={283:0}, vendor_3410_count=0, vendor_5052={285:0}, 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 [\old(size)=44, \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={62613:62515}, 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={277:0}, product_3410_count=0, product_5052={279:0}, product_5052_count=0, ref_cnt=0, size=44, ti_1port_device={278:0}, 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={280:0}, 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={284:0}, ti_id_table_5052={286:0}, ti_id_table_combined={281:0}, ti_usb_driver={282:0}, ti_usb_driver_group1={0:0}, tmp___0=1, usb_counter=0, vendor_3410={283:0}, vendor_3410_count=0, vendor_5052={285:0}, 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={62613:62515}, 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={277:0}, product_3410_count=0, product_5052={279:0}, product_5052_count=0, ref_cnt=0, ti_1port_device={278:0}, 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={280:0}, 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={284:0}, ti_id_table_5052={286:0}, ti_id_table_combined={281:0}, ti_usb_driver={282:0}, ti_usb_driver_group1={0:0}, usb_counter=0, vendor_3410={283:0}, vendor_3410_count=0, vendor_5052={285:0}, 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={62613:62515}, 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=-3, ldvarg3=62513, ldvarg4=62580, ldvarg5=62605, ldvarg6=62612, ldvarg7={0:0}, product_3410={277:0}, product_3410_count=0, product_5052={279:0}, product_5052_count=0, ref_cnt=0, ti_1port_device={278:0}, 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={280:0}, 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={284:0}, ti_id_table_5052={286:0}, ti_id_table_combined={281:0}, ti_usb_driver={282:0}, ti_usb_driver_group1={0:0}, tmp={0:0}, tmp___0=62513, tmp___1=-2, tmp___2=62605, tmp___3=62612, tmp___4=-3, tmp___5=62580, usb_counter=0, vendor_3410={283:0}, vendor_3410_count=0, vendor_5052={285:0}, 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={62613:62515}, 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={277:0}, product_3410_count=0, product_5052={279:0}, product_5052_count=0, ref_cnt=0, ti_1port_device={278:0}, 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={280:0}, 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={284:0}, ti_id_table_5052={286:0}, ti_id_table_combined={281:0}, ti_usb_driver={282:0}, ti_usb_driver_group1={0:0}, usb_counter=0, vendor_3410={283:0}, vendor_3410_count=0, vendor_5052={285:0}, 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 [\old(size)=1, \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={62613:62515}, 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={277:0}, product_3410_count=0, product_5052={279:0}, product_5052_count=0, ref_cnt=0, size=1, ti_1port_device={278:0}, 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={280:0}, 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={284:0}, ti_id_table_5052={286:0}, ti_id_table_combined={281:0}, ti_usb_driver={282:0}, ti_usb_driver_group1={0:0}, tmp___0=1, usb_counter=0, vendor_3410={283:0}, vendor_3410_count=0, vendor_5052={285:0}, 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={62613:62515}, 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=-3, ldvarg3=62513, ldvarg4=62580, ldvarg5=62605, ldvarg6=62612, ldvarg7={0:0}, product_3410={277:0}, product_3410_count=0, product_5052={279:0}, product_5052_count=0, ref_cnt=0, ti_1port_device={278:0}, 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={280:0}, 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={284:0}, ti_id_table_5052={286:0}, ti_id_table_combined={281:0}, ti_usb_driver={282:0}, ti_usb_driver_group1={0:0}, tmp={0:0}, tmp___0=62513, tmp___1=-2, tmp___2=62605, tmp___3=62612, tmp___4=-3, tmp___5=62580, usb_counter=0, vendor_3410={283:0}, vendor_3410_count=0, vendor_5052={285:0}, 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={62613:62515}, 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=-3, ldvarg2={0:0}, ldvarg3=62513, ldvarg4=62580, ldvarg5=62605, ldvarg6=62612, ldvarg7={0:0}, product_3410={277:0}, product_3410_count=0, product_5052={279:0}, product_5052_count=0, ref_cnt=0, ti_1port_device={278:0}, 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={280:0}, 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={284:0}, ti_id_table_5052={286:0}, ti_id_table_combined={281:0}, ti_usb_driver={282:0}, ti_usb_driver_group1={0:0}, tmp={0:0}, tmp___0=62513, tmp___1=-2, tmp___2=62605, tmp___3=62612, tmp___4=-3, tmp___5=62580, tmp___6={0:0}, usb_counter=0, vendor_3410={283:0}, vendor_3410_count=0, vendor_5052={285:0}, 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={62613:62515}, 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={277:0}, product_3410_count=0, product_5052={279:0}, product_5052_count=0, ref_cnt=0, ti_1port_device={278:0}, 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={280:0}, 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={284:0}, ti_id_table_5052={286:0}, ti_id_table_combined={281:0}, ti_usb_driver={282:0}, ti_usb_driver_group1={0:0}, usb_counter=0, vendor_3410={283:0}, vendor_3410_count=0, vendor_5052={285:0}, 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 [\old(size)=24, \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={62613:62515}, 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={277:0}, product_3410_count=0, product_5052={279:0}, product_5052_count=0, ref_cnt=0, size=24, ti_1port_device={278:0}, 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={280:0}, 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={284:0}, ti_id_table_5052={286:0}, ti_id_table_combined={281:0}, ti_usb_driver={282:0}, ti_usb_driver_group1={0:0}, tmp___0=1, usb_counter=0, vendor_3410={283:0}, vendor_3410_count=0, vendor_5052={285:0}, 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={62613:62515}, 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=-3, ldvarg2={0:0}, ldvarg3=62513, ldvarg4=62580, ldvarg5=62605, ldvarg6=62612, ldvarg7={0:0}, product_3410={277:0}, product_3410_count=0, product_5052={279:0}, product_5052_count=0, ref_cnt=0, ti_1port_device={278:0}, 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={280:0}, 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={284:0}, ti_id_table_5052={286:0}, ti_id_table_combined={281:0}, ti_usb_driver={282:0}, ti_usb_driver_group1={0:0}, tmp={0:0}, tmp___0=62513, tmp___1=-2, tmp___2=62605, tmp___3=62612, tmp___4=-3, tmp___5=62580, tmp___6={0:0}, usb_counter=0, vendor_3410={283:0}, vendor_3410_count=0, vendor_5052={285:0}, 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={62613:62515}, 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=-3, ldvarg2={0:0}, ldvarg3=62513, ldvarg4=62580, ldvarg5=62605, ldvarg6=62612, ldvarg7={0:0}, ldvarg8={0:0}, product_3410={277:0}, product_3410_count=0, product_5052={279:0}, product_5052_count=0, ref_cnt=0, ti_1port_device={278:0}, 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={280:0}, 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={284:0}, ti_id_table_5052={286:0}, ti_id_table_combined={281:0}, ti_usb_driver={282:0}, ti_usb_driver_group1={0:0}, tmp={0:0}, tmp___0=62513, tmp___1=-2, tmp___2=62605, tmp___3=62612, tmp___4=-3, tmp___5=62580, tmp___6={0:0}, tmp___7={0:0}, usb_counter=0, vendor_3410={283:0}, vendor_3410_count=0, vendor_5052={285:0}, 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={62613:62515}, 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={277:0}, product_3410_count=0, product_5052={279:0}, product_5052_count=0, ref_cnt=0, ti_1port_device={278:0}, 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={280:0}, 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={284:0}, ti_id_table_5052={286:0}, ti_id_table_combined={281:0}, ti_usb_driver={282:0}, ti_usb_driver_group1={0:0}, usb_counter=0, vendor_3410={283:0}, vendor_3410_count=0, vendor_5052={285:0}, 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 [\old(size)=1, \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={62613:62515}, 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={277:0}, product_3410_count=0, product_5052={279:0}, product_5052_count=0, ref_cnt=0, size=1, ti_1port_device={278:0}, 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={280:0}, 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={284:0}, ti_id_table_5052={286:0}, ti_id_table_combined={281:0}, ti_usb_driver={282:0}, ti_usb_driver_group1={0:0}, tmp___0=1, usb_counter=0, vendor_3410={283:0}, vendor_3410_count=0, vendor_5052={285:0}, 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={62613:62515}, 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=-3, ldvarg2={0:0}, ldvarg3=62513, ldvarg4=62580, ldvarg5=62605, ldvarg6=62612, ldvarg7={0:0}, ldvarg8={0:0}, product_3410={277:0}, product_3410_count=0, product_5052={279:0}, product_5052_count=0, ref_cnt=0, ti_1port_device={278:0}, 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={280:0}, 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={284:0}, ti_id_table_5052={286:0}, ti_id_table_combined={281:0}, ti_usb_driver={282:0}, ti_usb_driver_group1={0:0}, tmp={0:0}, tmp___0=62513, tmp___1=-2, tmp___2=62605, tmp___3=62612, tmp___4=-3, tmp___5=62580, tmp___6={0:0}, tmp___7={0:0}, usb_counter=0, vendor_3410={283:0}, vendor_3410_count=0, vendor_5052={285:0}, 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={62613:62515}, 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=-3, ldvarg11={0:0}, ldvarg12=62514, ldvarg2={0:0}, ldvarg3=62513, ldvarg4=62580, ldvarg5=62605, ldvarg6=62612, ldvarg7={0:0}, ldvarg8={0:0}, product_3410={277:0}, product_3410_count=0, product_5052={279:0}, product_5052_count=0, ref_cnt=0, ti_1port_device={278:0}, 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={280:0}, 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={284:0}, ti_id_table_5052={286:0}, ti_id_table_combined={281:0}, ti_usb_driver={282:0}, ti_usb_driver_group1={0:0}, tmp={0:0}, tmp___0=62513, tmp___1=-2, tmp___2=62605, tmp___3=62612, tmp___4=-3, tmp___5=62580, tmp___6={0:0}, tmp___7={0:0}, tmp___8={0:0}, tmp___9=62514, usb_counter=0, vendor_3410={283:0}, vendor_3410_count=0, vendor_5052={285:0}, 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={62613:62515}, 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={277:0}, product_3410_count=0, product_5052={279:0}, product_5052_count=0, ref_cnt=0, ti_1port_device={278:0}, 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={280:0}, 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={284:0}, ti_id_table_5052={286:0}, ti_id_table_combined={281:0}, ti_usb_driver={282:0}, ti_usb_driver_group1={0:0}, usb_counter=0, vendor_3410={283:0}, vendor_3410_count=0, vendor_5052={285:0}, 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 [\old(size)=44, \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={62613:62515}, 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={277:0}, product_3410_count=0, product_5052={279:0}, product_5052_count=0, ref_cnt=0, size=44, ti_1port_device={278:0}, 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={280:0}, 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={284:0}, ti_id_table_5052={286:0}, ti_id_table_combined={281:0}, ti_usb_driver={282:0}, ti_usb_driver_group1={0:0}, tmp___0=1, usb_counter=0, vendor_3410={283:0}, vendor_3410_count=0, vendor_5052={285:0}, 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={62613:62515}, 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=-3, ldvarg11={0:0}, ldvarg12=62514, ldvarg2={0:0}, ldvarg3=62513, ldvarg4=62580, ldvarg5=62605, ldvarg6=62612, ldvarg7={0:0}, ldvarg8={0:0}, product_3410={277:0}, product_3410_count=0, product_5052={279:0}, product_5052_count=0, ref_cnt=0, ti_1port_device={278:0}, 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={280:0}, 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={284:0}, ti_id_table_5052={286:0}, ti_id_table_combined={281:0}, ti_usb_driver={282:0}, ti_usb_driver_group1={0:0}, tmp={0:0}, tmp___0=62513, tmp___1=-2, tmp___2=62605, tmp___3=62612, tmp___4=-3, tmp___5=62580, tmp___6={0:0}, tmp___7={0:0}, tmp___8={0:0}, tmp___9=62514, usb_counter=0, vendor_3410={283:0}, vendor_3410_count=0, vendor_5052={285:0}, 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={62613:62515}, 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=-3, ldvarg10=-4, ldvarg11={0:0}, ldvarg12=62514, ldvarg13=62583, ldvarg14=62597, ldvarg15=62563, ldvarg16={0:0}, ldvarg2={0:0}, ldvarg3=62513, ldvarg4=62580, ldvarg5=62605, ldvarg6=62612, ldvarg7={0:0}, ldvarg8={0:0}, ldvarg9=0, product_3410={277:0}, product_3410_count=0, product_5052={279:0}, product_5052_count=0, ref_cnt=0, ti_1port_device={278:0}, 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={280:0}, 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={284:0}, ti_id_table_5052={286:0}, ti_id_table_combined={281:0}, ti_usb_driver={282:0}, ti_usb_driver_group1={0:0}, tmp={0:0}, tmp___0=62513, tmp___1=-2, tmp___10={0:0}, tmp___11=62563, tmp___12=62597, tmp___13=62583, tmp___14=-4, tmp___15=0, tmp___2=62605, tmp___3=62612, tmp___4=-3, tmp___5=62580, tmp___6={0:0}, tmp___7={0:0}, tmp___8={0:0}, tmp___9=62514, usb_counter=0, vendor_3410={283:0}, vendor_3410_count=0, vendor_5052={285:0}, 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={62613:62515}, 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=-3, ldvarg10=-4, ldvarg11={0:0}, ldvarg12=62514, ldvarg13=62583, ldvarg14=62597, ldvarg15=62563, ldvarg16={0:0}, ldvarg2={0:0}, ldvarg3=62513, ldvarg4=62580, ldvarg5=62605, ldvarg6=62612, ldvarg7={0:0}, ldvarg8={0:0}, ldvarg9=0, product_3410={277:0}, product_3410_count=0, product_5052={279:0}, product_5052_count=0, ref_cnt=0, ti_1port_device={278:0}, 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={280:0}, 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={284:0}, ti_id_table_5052={286:0}, ti_id_table_combined={281:0}, ti_usb_driver={282:0}, ti_usb_driver_group1={0:0}, tmp={0:0}, tmp___0=62513, tmp___1=-2, tmp___10={0:0}, tmp___11=62563, tmp___12=62597, tmp___13=62583, tmp___14=-4, tmp___15=0, tmp___16=1, tmp___2=62605, tmp___3=62612, tmp___4=-3, tmp___5=62580, tmp___6={0:0}, tmp___7={0:0}, tmp___8={0:0}, tmp___9=62514, usb_counter=0, vendor_3410={283:0}, vendor_3410_count=0, vendor_5052={285:0}, 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={62613:62515}, 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=-3, ldvarg10=-4, ldvarg11={0:0}, ldvarg12=62514, ldvarg13=62583, ldvarg14=62597, ldvarg15=62563, ldvarg16={0:0}, ldvarg2={0:0}, ldvarg3=62513, ldvarg4=62580, ldvarg5=62605, ldvarg6=62612, ldvarg7={0:0}, ldvarg8={0:0}, ldvarg9=0, product_3410={277:0}, product_3410_count=0, product_5052={279:0}, product_5052_count=0, ref_cnt=0, ti_1port_device={278:0}, 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={280:0}, 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={284:0}, ti_id_table_5052={286:0}, ti_id_table_combined={281:0}, ti_usb_driver={282:0}, ti_usb_driver_group1={0:0}, tmp={0:0}, tmp___0=62513, tmp___1=-2, tmp___10={0:0}, tmp___11=62563, tmp___12=62597, tmp___13=62583, tmp___14=-4, tmp___15=0, tmp___16=1, tmp___18=1, tmp___2=62605, tmp___3=62612, tmp___4=-3, tmp___5=62580, tmp___6={0:0}, tmp___7={0:0}, tmp___8={0:0}, tmp___9=62514, usb_counter=0, vendor_3410={283:0}, vendor_3410_count=0, vendor_5052={285:0}, 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={62613:62515}, 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={277:0}, product_3410_count=0, product_5052={279:0}, product_5052_count=0, ref_cnt=0, ti_1port_device={278:0}, 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={280:0}, 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={284:0}, ti_id_table_5052={286:0}, ti_id_table_combined={281:0}, ti_usb_driver={282:0}, ti_usb_driver_group1={0:0}, usb_counter=0, vendor_3410={283:0}, vendor_3410_count=0, vendor_5052={285:0}, 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={62613:62515}, _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={277:0}, product_3410_count=0, product_5052={279:0}, product_5052_count=0, ref_cnt=0, ti_1port_device={278:0}, 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={280:0}, 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={284:0}, ti_id_table_5052={286:0}, ti_id_table_combined={281:0}, ti_usb_driver={282:0}, ti_usb_driver_group1={0:0}, usb_counter=0, vendor_3410={283:0}, vendor_3410_count=0, vendor_5052={285:0}, 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={62613:62515}, _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={277:0}, product_3410_count=0, product_5052={279:0}, product_5052_count=0, ref_cnt=0, ti_1port_device={278:0}, 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={280:0}, 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={284:0}, ti_id_table_5052={286:0}, ti_id_table_combined={281:0}, ti_usb_driver={282:0}, ti_usb_driver_group1={0:0}, usb_counter=0, vendor_3410={283:0}, vendor_3410_count=0, vendor_5052={285:0}, 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={62613:62515}, _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={277:0}, product_3410_count=0, product_5052={279:0}, product_5052_count=0, ref_cnt=0, ti_1port_device={278:0}, 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={280:0}, 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={284:0}, ti_id_table_5052={286:0}, ti_id_table_combined={281:0}, ti_usb_driver={282:0}, ti_usb_driver_group1={0:0}, usb_counter=0, vendor_3410={283:0}, vendor_3410_count=0, vendor_5052={285:0}, 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 [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_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={62613:62515}, closing_wait=4000, debug=0, ldv_func_arg1={278:0}, ldv_func_arg1={278:0}, LDV_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={277:0}, product_3410_count=0, product_5052={279:0}, product_5052_count=0, ref_cnt=0, ti_1port_device={278:0}, 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={280:0}, 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={284:0}, ti_id_table_5052={286:0}, ti_id_table_combined={281:0}, ti_usb_driver={282:0}, ti_usb_driver_group1={0:0}, usb_counter=0, vendor_3410={283:0}, vendor_3410_count=0, vendor_5052={285:0}, vendor_5052_count=0] [L7147] CALL, EXPR usb_serial_register(ldv_func_arg1) 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={62613:62515}, arg0={278:0}, 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={277:0}, product_3410_count=0, product_5052={279:0}, product_5052_count=0, ref_cnt=0, ti_1port_device={278:0}, 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={280:0}, 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={284:0}, ti_id_table_5052={286:0}, ti_id_table_combined={281:0}, ti_usb_driver={282:0}, ti_usb_driver_group1={0:0}, usb_counter=0, vendor_3410={283:0}, vendor_3410_count=0, vendor_5052={285:0}, vendor_5052_count=0] [L7483] return __VERIFIER_nondet_int(); [L7147] RET, EXPR usb_serial_register(ldv_func_arg1) 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={62613:62515}, closing_wait=4000, debug=0, ldv_func_arg1={278:0}, ldv_func_arg1={278:0}, LDV_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={277:0}, product_3410_count=0, product_5052={279:0}, product_5052_count=0, ref_cnt=0, ti_1port_device={278:0}, 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={280:0}, 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={284:0}, ti_id_table_5052={286:0}, ti_id_table_combined={281:0}, ti_usb_driver={282:0}, ti_usb_driver_group1={0:0}, usb_counter=0, usb_serial_register(ldv_func_arg1)=0, vendor_3410={283:0}, vendor_3410_count=0, vendor_5052={285:0}, vendor_5052_count=0] [L7147] tmp = usb_serial_register(ldv_func_arg1) [L7148] ldv_func_res = tmp 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={62613:62515}, closing_wait=4000, debug=0, ldv_func_arg1={278:0}, ldv_func_arg1={278:0}, 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={277:0}, product_3410_count=0, product_5052={279:0}, product_5052_count=0, ref_cnt=0, ti_1port_device={278:0}, 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={280:0}, 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={284:0}, ti_id_table_5052={286:0}, ti_id_table_combined={281:0}, ti_usb_driver={282:0}, ti_usb_driver_group1={0:0}, tmp=0, usb_counter=0, vendor_3410={283:0}, vendor_3410_count=0, vendor_5052={285:0}, vendor_5052_count=0] [L7149] CALL ldv_s_reg(ldv_func_res) VAL [\old(ldv_usb_s)=0, \old(res)=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_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={62613:62515}, 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={277:0}, product_3410_count=0, product_5052={279:0}, product_5052_count=0, ref_cnt=0, ti_1port_device={278:0}, 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={280:0}, 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={284:0}, ti_id_table_5052={286:0}, ti_id_table_combined={281:0}, ti_usb_driver={282:0}, ti_usb_driver_group1={0:0}, usb_counter=0, vendor_3410={283:0}, vendor_3410_count=0, vendor_5052={285:0}, vendor_5052_count=0] [L7209] COND TRUE ! res [L7210] ldv_usb_s = 1 VAL [\old(ldv_usb_s)=0, \old(res)=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_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={62613:62515}, 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={277:0}, product_3410_count=0, product_5052={279:0}, product_5052_count=0, ref_cnt=0, res=0, ti_1port_device={278:0}, 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={280:0}, 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={284:0}, ti_id_table_5052={286:0}, ti_id_table_combined={281:0}, ti_usb_driver={282:0}, ti_usb_driver_group1={0:0}, usb_counter=0, vendor_3410={283:0}, vendor_3410_count=0, vendor_5052={285:0}, vendor_5052_count=0] [L7149] RET ldv_s_reg(ldv_func_res) 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={62613:62515}, closing_wait=4000, debug=0, ldv_func_arg1={278:0}, ldv_func_arg1={278:0}, 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={277:0}, product_3410_count=0, product_5052={279:0}, product_5052_count=0, ref_cnt=0, ti_1port_device={278:0}, 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={280:0}, 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={284:0}, ti_id_table_5052={286:0}, ti_id_table_combined={281:0}, ti_usb_driver={282:0}, ti_usb_driver_group1={0:0}, tmp=0, usb_counter=0, vendor_3410={283:0}, vendor_3410_count=0, vendor_5052={285:0}, vendor_5052_count=0] [L7150] return (ldv_func_res); VAL [\result=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_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={62613:62515}, closing_wait=4000, debug=0, ldv_func_arg1={278:0}, ldv_func_arg1={278:0}, 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={277:0}, product_3410_count=0, product_5052={279:0}, product_5052_count=0, ref_cnt=0, ti_1port_device={278:0}, 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={280:0}, 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={284:0}, ti_id_table_5052={286:0}, ti_id_table_combined={281:0}, ti_usb_driver={282:0}, ti_usb_driver_group1={0:0}, tmp=0, usb_counter=0, vendor_3410={283:0}, vendor_3410_count=0, vendor_5052={285:0}, vendor_5052_count=0] [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 [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_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={62613:62515}, closing_wait=4000, debug=0, ldv_func_arg1={280:0}, ldv_func_arg1={280:0}, LDV_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={277:0}, product_3410_count=0, product_5052={279:0}, product_5052_count=0, ref_cnt=0, ti_1port_device={278:0}, 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={280:0}, 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={284:0}, ti_id_table_5052={286:0}, ti_id_table_combined={281:0}, ti_usb_driver={282:0}, ti_usb_driver_group1={0:0}, usb_counter=0, vendor_3410={283:0}, vendor_3410_count=0, vendor_5052={285:0}, vendor_5052_count=0] [L7158] CALL, EXPR usb_serial_register(ldv_func_arg1) 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={62613:62515}, arg0={280:0}, 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={277:0}, product_3410_count=0, product_5052={279:0}, product_5052_count=0, ref_cnt=0, ti_1port_device={278:0}, 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={280:0}, 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={284:0}, ti_id_table_5052={286:0}, ti_id_table_combined={281:0}, ti_usb_driver={282:0}, ti_usb_driver_group1={0:0}, usb_counter=0, vendor_3410={283:0}, vendor_3410_count=0, vendor_5052={285:0}, vendor_5052_count=0] [L7483] return __VERIFIER_nondet_int(); [L7158] RET, EXPR usb_serial_register(ldv_func_arg1) 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={62613:62515}, closing_wait=4000, debug=0, ldv_func_arg1={280:0}, ldv_func_arg1={280:0}, LDV_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={277:0}, product_3410_count=0, product_5052={279:0}, product_5052_count=0, ref_cnt=0, ti_1port_device={278:0}, 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={280:0}, 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={284:0}, ti_id_table_5052={286:0}, ti_id_table_combined={281:0}, ti_usb_driver={282:0}, ti_usb_driver_group1={0:0}, usb_counter=0, usb_serial_register(ldv_func_arg1)=0, vendor_3410={283:0}, vendor_3410_count=0, vendor_5052={285:0}, vendor_5052_count=0] [L7158] tmp = usb_serial_register(ldv_func_arg1) [L7159] ldv_func_res = tmp 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={62613:62515}, closing_wait=4000, debug=0, ldv_func_arg1={280:0}, ldv_func_arg1={280:0}, 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={277:0}, product_3410_count=0, product_5052={279:0}, product_5052_count=0, ref_cnt=0, ti_1port_device={278:0}, 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={280:0}, 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={284:0}, ti_id_table_5052={286:0}, ti_id_table_combined={281:0}, ti_usb_driver={282:0}, ti_usb_driver_group1={0:0}, tmp=0, usb_counter=0, vendor_3410={283:0}, vendor_3410_count=0, vendor_5052={285:0}, vendor_5052_count=0] [L7160] CALL ldv_s_reg(ldv_func_res) VAL [\old(ldv_usb_s)=1, \old(res)=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_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={62613:62515}, 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={277:0}, product_3410_count=0, product_5052={279:0}, product_5052_count=0, ref_cnt=0, ti_1port_device={278:0}, 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={280:0}, 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={284:0}, ti_id_table_5052={286:0}, ti_id_table_combined={281:0}, ti_usb_driver={282:0}, ti_usb_driver_group1={0:0}, usb_counter=0, vendor_3410={283:0}, vendor_3410_count=0, vendor_5052={285:0}, vendor_5052_count=0] [L7209] COND TRUE ! res [L7210] ldv_usb_s = 1 VAL [\old(ldv_usb_s)=1, \old(res)=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_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={62613:62515}, 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={277:0}, product_3410_count=0, product_5052={279:0}, product_5052_count=0, ref_cnt=0, res=0, ti_1port_device={278:0}, 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={280:0}, 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={284:0}, ti_id_table_5052={286:0}, ti_id_table_combined={281:0}, ti_usb_driver={282:0}, ti_usb_driver_group1={0:0}, usb_counter=0, vendor_3410={283:0}, vendor_3410_count=0, vendor_5052={285:0}, vendor_5052_count=0] [L7160] RET ldv_s_reg(ldv_func_res) 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={62613:62515}, closing_wait=4000, debug=0, ldv_func_arg1={280:0}, ldv_func_arg1={280:0}, 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={277:0}, product_3410_count=0, product_5052={279:0}, product_5052_count=0, ref_cnt=0, ti_1port_device={278:0}, 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={280:0}, 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={284:0}, ti_id_table_5052={286:0}, ti_id_table_combined={281:0}, ti_usb_driver={282:0}, ti_usb_driver_group1={0:0}, tmp=0, usb_counter=0, vendor_3410={283:0}, vendor_3410_count=0, vendor_5052={285:0}, vendor_5052_count=0] [L7161] return (ldv_func_res); VAL [\result=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_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={62613:62515}, closing_wait=4000, debug=0, ldv_func_arg1={280:0}, ldv_func_arg1={280:0}, 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={277:0}, product_3410_count=0, product_5052={279:0}, product_5052_count=0, ref_cnt=0, ti_1port_device={278:0}, 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={280:0}, 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={284:0}, ti_id_table_5052={286:0}, ti_id_table_combined={281:0}, ti_usb_driver={282:0}, ti_usb_driver_group1={0:0}, tmp=0, usb_counter=0, vendor_3410={283:0}, vendor_3410_count=0, vendor_5052={285:0}, vendor_5052_count=0] [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) VAL [\old(res)=287, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_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={62613:62515}, 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={277:0}, product_3410_count=0, product_5052={279:0}, product_5052_count=0, ref_cnt=0, res=287, ti_1port_device={278:0}, 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={280:0}, 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={284:0}, ti_id_table_5052={286:0}, ti_id_table_combined={281:0}, ti_usb_driver={282:0}, ti_usb_driver_group1={0:0}, usb_counter=0, vendor_3410={283:0}, vendor_3410_count=0, vendor_5052={285:0}, vendor_5052_count=0] [L7138] RET ldv_reg(ldv_func_res) [L7139] return (ldv_func_res); VAL [\result=287, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_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={62613:62515}, closing_wait=4000, debug=0, ldv_func_arg1={282:0}, ldv_func_arg1={282:0}, ldv_func_arg2={62613:62515}, ldv_func_arg2={62613:62515}, ldv_func_arg3={5:0}, ldv_func_arg3={5:0}, ldv_func_res=287, LDV_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={277:0}, product_3410_count=0, product_5052={279:0}, product_5052_count=0, ref_cnt=0, ti_1port_device={278:0}, 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={280:0}, 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={284:0}, ti_id_table_5052={286:0}, ti_id_table_combined={281:0}, ti_usb_driver={282:0}, ti_usb_driver_group1={0:0}, tmp=287, usb_counter=0, vendor_3410={283:0}, vendor_3410_count=0, vendor_5052={285:0}, vendor_5052_count=0] [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); VAL [\result=287, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_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={62613:62515}, closing_wait=4000, debug=0, driver={282:0}, driver={282:0}, LDV_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={277:0}, product_3410_count=0, product_5052={279:0}, product_5052_count=0, ref_cnt=0, ti_1port_device={278:0}, 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={280:0}, 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={284:0}, ti_id_table_5052={286:0}, ti_id_table_combined={281:0}, ti_usb_driver={282:0}, ti_usb_driver_group1={0:0}, tmp=287, usb_counter=0, vendor_3410={283:0}, vendor_3410_count=0, vendor_5052={285:0}, vendor_5052_count=0] [L4279] RET, EXPR usb_register(& ti_usb_driver) [L4279] ret = usb_register(& ti_usb_driver) [L4280] COND TRUE ret != 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={62613:62515}, _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=1, product_3410={277:0}, product_3410_count=0, product_5052={279:0}, product_5052_count=0, ref_cnt=0, ret=287, ti_1port_device={278:0}, 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={280:0}, 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={284:0}, ti_id_table_5052={286:0}, ti_id_table_combined={281:0}, ti_usb_driver={282:0}, ti_usb_driver_group1={0:0}, usb_counter=0, vendor_3410={283:0}, vendor_3410_count=0, vendor_5052={285:0}, vendor_5052_count=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={62613:62515}, 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={277:0}, product_3410_count=0, product_5052={279:0}, product_5052_count=0, ref_cnt=0, ti_1port_device={278:0}, 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={280:0}, 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={284:0}, ti_id_table_5052={286:0}, ti_id_table_combined={281:0}, ti_usb_driver={282:0}, ti_usb_driver_group1={0:0}, usb_counter=0, vendor_3410={283:0}, vendor_3410_count=0, vendor_5052={285:0}, 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={62613:62515}, 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={277:0}, product_3410_count=0, product_5052={279:0}, product_5052_count=0, ref_cnt=0, ti_1port_device={278:0}, 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={280:0}, 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={284:0}, ti_id_table_5052={286:0}, ti_id_table_combined={281:0}, ti_usb_driver={282:0}, ti_usb_driver_group1={0:0}, usb_counter=0, vendor_3410={283:0}, vendor_3410_count=0, vendor_5052={285:0}, 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={62613:62515}, 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={277:0}, product_3410_count=0, product_5052={279:0}, product_5052_count=0, ref_cnt=0, ti_1port_device={278:0}, 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={280:0}, 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={284:0}, ti_id_table_5052={286:0}, ti_id_table_combined={281:0}, ti_usb_driver={282:0}, ti_usb_driver_group1={0:0}, usb_counter=0, vendor_3410={283:0}, vendor_3410_count=0, vendor_5052={285:0}, vendor_5052_count=0] [L7247] ldv_usb_s = 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={62613:62515}, 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={277:0}, product_3410_count=0, product_5052={279:0}, product_5052_count=0, ref_cnt=0, ti_1port_device={278:0}, 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={280:0}, 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={284:0}, ti_id_table_5052={286:0}, ti_id_table_combined={281:0}, ti_usb_driver={282:0}, ti_usb_driver_group1={0:0}, usb_counter=0, vendor_3410={283:0}, vendor_3410_count=0, vendor_5052={285:0}, vendor_5052_count=0] [L7167] RET ldv_s_der() 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={62613:62515}, closing_wait=4000, debug=0, ldv_func_arg1={280:0}, ldv_func_arg1={280:0}, LDV_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={277:0}, product_3410_count=0, product_5052={279:0}, product_5052_count=0, ref_cnt=0, ti_1port_device={278:0}, 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={280:0}, 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={284:0}, ti_id_table_5052={286:0}, ti_id_table_combined={281:0}, ti_usb_driver={282:0}, ti_usb_driver_group1={0:0}, usb_counter=0, vendor_3410={283:0}, vendor_3410_count=0, vendor_5052={285:0}, vendor_5052_count=0] [L7168] FCALL usb_serial_deregister(ldv_func_arg1) 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={62613:62515}, closing_wait=4000, debug=0, ldv_func_arg1={280:0}, ldv_func_arg1={280:0}, LDV_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={277:0}, product_3410_count=0, product_5052={279:0}, product_5052_count=0, ref_cnt=0, ti_1port_device={278:0}, 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={280:0}, 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={284:0}, ti_id_table_5052={286:0}, ti_id_table_combined={281:0}, ti_usb_driver={282:0}, ti_usb_driver_group1={0:0}, usb_counter=0, vendor_3410={283:0}, vendor_3410_count=0, vendor_5052={285:0}, 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={62613:62515}, 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={277:0}, product_3410_count=0, product_5052={279:0}, product_5052_count=0, ref_cnt=0, ti_1port_device={278:0}, 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={280:0}, 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={284:0}, ti_id_table_5052={286:0}, ti_id_table_combined={281:0}, ti_usb_driver={282:0}, ti_usb_driver_group1={0:0}, usb_counter=0, vendor_3410={283:0}, vendor_3410_count=0, vendor_5052={285:0}, 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={62613:62515}, 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={277:0}, product_3410_count=0, product_5052={279:0}, product_5052_count=0, ref_cnt=0, ti_1port_device={278:0}, 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={280:0}, 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={284:0}, ti_id_table_5052={286:0}, ti_id_table_combined={281:0}, ti_usb_driver={282:0}, ti_usb_driver_group1={0:0}, usb_counter=0, vendor_3410={283:0}, vendor_3410_count=0, vendor_5052={285:0}, 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={62613:62515}, 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={277:0}, product_3410_count=0, product_5052={279:0}, product_5052_count=0, ref_cnt=0, ti_1port_device={278:0}, 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={280:0}, 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={284:0}, ti_id_table_5052={286:0}, ti_id_table_combined={281:0}, ti_usb_driver={282:0}, ti_usb_driver_group1={0:0}, usb_counter=0, vendor_3410={283:0}, vendor_3410_count=0, vendor_5052={285:0}, 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={62613:62515}, 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={277:0}, product_3410_count=0, product_5052={279:0}, product_5052_count=0, ref_cnt=0, ti_1port_device={278:0}, 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={280:0}, 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={284:0}, ti_id_table_5052={286:0}, ti_id_table_combined={281:0}, ti_usb_driver={282:0}, ti_usb_driver_group1={0:0}, usb_counter=0, vendor_3410={283:0}, vendor_3410_count=0, vendor_5052={285:0}, 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={62613:62515}, 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={277:0}, product_3410_count=0, product_5052={279:0}, product_5052_count=0, ref_cnt=0, ti_1port_device={278:0}, 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={280:0}, 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={284:0}, ti_id_table_5052={286:0}, ti_id_table_combined={281:0}, ti_usb_driver={282:0}, ti_usb_driver_group1={0:0}, usb_counter=0, vendor_3410={283:0}, vendor_3410_count=0, vendor_5052={285:0}, vendor_5052_count=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 78 procedures, 1579 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 237.5s, OverallIterations: 9, TraceHistogramMax: 5, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 221.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 18 mSolverCounterUnknown, 37702 SdHoareTripleChecker+Valid, 213.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 35383 mSDsluCounter, 56385 SdHoareTripleChecker+Invalid, 200.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 42230 mSDsCounter, 13456 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 55503 IncrementalHoareTripleChecker+Invalid, 68977 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 13456 mSolverCounterUnsat, 14155 mSDtfsCounter, 55503 mSolverCounterSat, 0.9s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 291 GetRequests, 222 SyntacticMatches, 1 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 1.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=11500occurred in iteration=4, InterpolantAutomatonStates: 71, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 4.8s AutomataMinimizationTime, 8 MinimizatonAttempts, 22043 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 2.1s SatisfiabilityAnalysisTime, 6.0s InterpolantComputationTime, 722 NumberOfCodeBlocks, 722 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 619 ConstructedInterpolants, 0 QuantifiedInterpolants, 1279 SizeOfPredicates, 4 NumberOfNonLiveVariables, 4346 ConjunctsInSsa, 19 ConjunctsInUnsatCore, 9 InterpolantComputations, 8 PerfectInterpolantSequences, 392/395 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 [2022-11-18 18:37:35,242 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a397a6d3-d7c3-4b4c-9ac8-a259ff134ea7/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a397a6d3-d7c3-4b4c-9ac8-a259ff134ea7/bin/uautomizer-TMbwUNV5ro/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a397a6d3-d7c3-4b4c-9ac8-a259ff134ea7/bin/uautomizer-TMbwUNV5ro/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a397a6d3-d7c3-4b4c-9ac8-a259ff134ea7/bin/uautomizer-TMbwUNV5ro/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a397a6d3-d7c3-4b4c-9ac8-a259ff134ea7/bin/uautomizer-TMbwUNV5ro/config/AutomizerReach.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_a397a6d3-d7c3-4b4c-9ac8-a259ff134ea7/bin/uautomizer-TMbwUNV5ro/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a397a6d3-d7c3-4b4c-9ac8-a259ff134ea7/bin/uautomizer-TMbwUNV5ro --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 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-8393723 [2022-11-18 18:37:37,479 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-18 18:37:37,482 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-18 18:37:37,519 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-18 18:37:37,520 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-18 18:37:37,524 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-18 18:37:37,527 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-18 18:37:37,533 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-18 18:37:37,535 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-18 18:37:37,540 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-18 18:37:37,542 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-18 18:37:37,544 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-18 18:37:37,545 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-18 18:37:37,547 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-18 18:37:37,549 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-18 18:37:37,553 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-18 18:37:37,555 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-18 18:37:37,557 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-18 18:37:37,559 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-18 18:37:37,563 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-18 18:37:37,567 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-18 18:37:37,569 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-18 18:37:37,571 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-18 18:37:37,573 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-18 18:37:37,579 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-18 18:37:37,584 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-18 18:37:37,584 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-18 18:37:37,585 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-18 18:37:37,587 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-18 18:37:37,588 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-18 18:37:37,588 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-18 18:37:37,589 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-18 18:37:37,591 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-18 18:37:37,592 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-18 18:37:37,593 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-18 18:37:37,593 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-18 18:37:37,594 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-18 18:37:37,594 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-18 18:37:37,595 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-18 18:37:37,597 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-18 18:37:37,597 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-18 18:37:37,598 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a397a6d3-d7c3-4b4c-9ac8-a259ff134ea7/bin/uautomizer-TMbwUNV5ro/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-11-18 18:37:37,639 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-18 18:37:37,640 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-18 18:37:37,641 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-18 18:37:37,641 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-18 18:37:37,642 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-18 18:37:37,642 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-18 18:37:37,644 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-18 18:37:37,644 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-18 18:37:37,644 INFO L138 SettingsManager]: * Use SBE=true [2022-11-18 18:37:37,644 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-18 18:37:37,645 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-18 18:37:37,646 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-18 18:37:37,646 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-18 18:37:37,646 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-18 18:37:37,647 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-18 18:37:37,647 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-18 18:37:37,647 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-18 18:37:37,647 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-18 18:37:37,647 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-18 18:37:37,648 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-18 18:37:37,648 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-18 18:37:37,648 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-18 18:37:37,648 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-18 18:37:37,649 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 18:37:37,649 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-18 18:37:37,649 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-18 18:37:37,650 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-18 18:37:37,650 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-11-18 18:37:37,650 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-18 18:37:37,650 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-18 18:37:37,650 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-18 18:37:37,651 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-18 18:37:37,651 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-18 18:37:37,651 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_a397a6d3-d7c3-4b4c-9ac8-a259ff134ea7/bin/uautomizer-TMbwUNV5ro/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a397a6d3-d7c3-4b4c-9ac8-a259ff134ea7/bin/uautomizer-TMbwUNV5ro Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4d5b4b32fa0da80203e2a18166964cfde265e42cc1a9ca2751016d17ee22d414 [2022-11-18 18:37:38,092 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-18 18:37:38,113 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-18 18:37:38,116 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-18 18:37:38,117 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-18 18:37:38,118 INFO L275 PluginConnector]: CDTParser initialized [2022-11-18 18:37:38,119 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a397a6d3-d7c3-4b4c-9ac8-a259ff134ea7/bin/uautomizer-TMbwUNV5ro/../../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 [2022-11-18 18:37:38,184 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a397a6d3-d7c3-4b4c-9ac8-a259ff134ea7/bin/uautomizer-TMbwUNV5ro/data/1b9ed61eb/2ddb0f79cf67494dabffead02da5300b/FLAGfc9b88164 [2022-11-18 18:37:39,094 INFO L306 CDTParser]: Found 1 translation units. [2022-11-18 18:37:39,096 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a397a6d3-d7c3-4b4c-9ac8-a259ff134ea7/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 [2022-11-18 18:37:39,151 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a397a6d3-d7c3-4b4c-9ac8-a259ff134ea7/bin/uautomizer-TMbwUNV5ro/data/1b9ed61eb/2ddb0f79cf67494dabffead02da5300b/FLAGfc9b88164 [2022-11-18 18:37:39,563 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a397a6d3-d7c3-4b4c-9ac8-a259ff134ea7/bin/uautomizer-TMbwUNV5ro/data/1b9ed61eb/2ddb0f79cf67494dabffead02da5300b [2022-11-18 18:37:39,565 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-18 18:37:39,567 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-18 18:37:39,570 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-18 18:37:39,571 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-18 18:37:39,574 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-18 18:37:39,575 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 06:37:39" (1/1) ... [2022-11-18 18:37:39,576 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@770549de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:37:39, skipping insertion in model container [2022-11-18 18:37:39,577 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 06:37:39" (1/1) ... [2022-11-18 18:37:39,584 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-18 18:37:39,730 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-18 18:37:40,925 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a397a6d3-d7c3-4b4c-9ac8-a259ff134ea7/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] [2022-11-18 18:37:41,533 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 18:37:41,592 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-11-18 18:37:41,659 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-18 18:37:41,804 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a397a6d3-d7c3-4b4c-9ac8-a259ff134ea7/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] [2022-11-18 18:37:42,036 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 18:37:42,100 INFO L203 MainTranslator]: Completed pre-run [2022-11-18 18:37:42,221 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a397a6d3-d7c3-4b4c-9ac8-a259ff134ea7/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] [2022-11-18 18:37:42,489 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 18:37:42,607 INFO L208 MainTranslator]: Completed translation [2022-11-18 18:37:42,607 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:37:42 WrapperNode [2022-11-18 18:37:42,607 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-18 18:37:42,608 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-18 18:37:42,609 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-18 18:37:42,609 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-18 18:37:42,616 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:37:42" (1/1) ... [2022-11-18 18:37:42,707 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:37:42" (1/1) ... [2022-11-18 18:37:42,926 INFO L138 Inliner]: procedures = 219, calls = 2337, calls flagged for inlining = 84, calls inlined = 84, statements flattened = 4806 [2022-11-18 18:37:42,926 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-18 18:37:42,927 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-18 18:37:42,927 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-18 18:37:42,928 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-18 18:37:42,946 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:37:42" (1/1) ... [2022-11-18 18:37:42,947 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:37:42" (1/1) ... [2022-11-18 18:37:42,975 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:37:42" (1/1) ... [2022-11-18 18:37:42,975 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:37:42" (1/1) ... [2022-11-18 18:37:43,082 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:37:42" (1/1) ... [2022-11-18 18:37:43,119 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:37:42" (1/1) ... [2022-11-18 18:37:43,186 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:37:42" (1/1) ... [2022-11-18 18:37:43,218 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:37:42" (1/1) ... [2022-11-18 18:37:43,276 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-18 18:37:43,277 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-18 18:37:43,278 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-18 18:37:43,278 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-18 18:37:43,295 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:37:42" (1/1) ... [2022-11-18 18:37:43,302 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 18:37:43,323 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a397a6d3-d7c3-4b4c-9ac8-a259ff134ea7/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 18:37:43,352 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a397a6d3-d7c3-4b4c-9ac8-a259ff134ea7/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-18 18:37:43,417 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a397a6d3-d7c3-4b4c-9ac8-a259ff134ea7/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-18 18:37:43,473 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-11-18 18:37:43,474 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2022-11-18 18:37:43,474 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2022-11-18 18:37:43,474 INFO L130 BoogieDeclarations]: Found specification of procedure ti_bulk_in_callback [2022-11-18 18:37:43,474 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_bulk_in_callback [2022-11-18 18:37:43,474 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2022-11-18 18:37:43,474 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2022-11-18 18:37:43,475 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-11-18 18:37:43,475 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2022-11-18 18:37:43,475 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-11-18 18:37:43,475 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-18 18:37:43,475 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-11-18 18:37:43,476 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-18 18:37:43,476 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-18 18:37:43,476 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-18 18:37:43,476 INFO L130 BoogieDeclarations]: Found specification of procedure tty_kref_put [2022-11-18 18:37:43,476 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_kref_put [2022-11-18 18:37:43,476 INFO L130 BoogieDeclarations]: Found specification of procedure ti_throttle [2022-11-18 18:37:43,477 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_throttle [2022-11-18 18:37:43,477 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-11-18 18:37:43,477 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-11-18 18:37:43,477 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-18 18:37:43,477 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-18 18:37:43,477 INFO L130 BoogieDeclarations]: Found specification of procedure ti_bulk_out_callback [2022-11-18 18:37:43,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_bulk_out_callback [2022-11-18 18:37:43,478 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible_nested [2022-11-18 18:37:43,478 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible_nested [2022-11-18 18:37:43,478 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_serial_port_data [2022-11-18 18:37:43,478 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_serial_port_data [2022-11-18 18:37:43,479 INFO L130 BoogieDeclarations]: Found specification of procedure ti_set_mcr [2022-11-18 18:37:43,479 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_set_mcr [2022-11-18 18:37:43,479 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-11-18 18:37:43,480 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-11-18 18:37:43,480 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-18 18:37:43,480 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-18 18:37:43,480 INFO L130 BoogieDeclarations]: Found specification of procedure ti_startup [2022-11-18 18:37:43,480 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_startup [2022-11-18 18:37:43,480 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-18 18:37:43,481 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-18 18:37:43,481 INFO L130 BoogieDeclarations]: Found specification of procedure ti_ioctl [2022-11-18 18:37:43,481 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_ioctl [2022-11-18 18:37:43,481 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-18 18:37:43,481 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-18 18:37:43,482 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_detach_2 [2022-11-18 18:37:43,482 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_detach_2 [2022-11-18 18:37:43,482 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_detach_1 [2022-11-18 18:37:43,482 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_detach_1 [2022-11-18 18:37:43,483 INFO L130 BoogieDeclarations]: Found specification of procedure ti_tiocmget [2022-11-18 18:37:43,483 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_tiocmget [2022-11-18 18:37:43,483 INFO L130 BoogieDeclarations]: Found specification of procedure msleep_interruptible [2022-11-18 18:37:43,485 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep_interruptible [2022-11-18 18:37:43,485 INFO L130 BoogieDeclarations]: Found specification of procedure __kfifo_free [2022-11-18 18:37:43,486 INFO L138 BoogieDeclarations]: Found implementation of procedure __kfifo_free [2022-11-18 18:37:43,486 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_debug_data [2022-11-18 18:37:43,486 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_debug_data [2022-11-18 18:37:43,486 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-18 18:37:43,487 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-18 18:37:43,487 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-18 18:37:43,487 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_serial_data [2022-11-18 18:37:43,488 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_serial_data [2022-11-18 18:37:43,488 INFO L130 BoogieDeclarations]: Found specification of procedure ti_break [2022-11-18 18:37:43,488 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_break [2022-11-18 18:37:43,496 INFO L130 BoogieDeclarations]: Found specification of procedure __swab16s [2022-11-18 18:37:43,497 INFO L138 BoogieDeclarations]: Found implementation of procedure __swab16s [2022-11-18 18:37:43,497 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-18 18:37:43,497 INFO L130 BoogieDeclarations]: Found specification of procedure signal_pending [2022-11-18 18:37:43,497 INFO L138 BoogieDeclarations]: Found implementation of procedure signal_pending [2022-11-18 18:37:43,497 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-18 18:37:43,498 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-18 18:37:43,499 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-11-18 18:37:43,499 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-11-18 18:37:43,499 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-18 18:37:43,499 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-11-18 18:37:43,499 INFO L130 BoogieDeclarations]: Found specification of procedure ti_write [2022-11-18 18:37:43,499 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_write [2022-11-18 18:37:43,500 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-18 18:37:43,500 INFO L130 BoogieDeclarations]: Found specification of procedure ti_restart_read [2022-11-18 18:37:43,500 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_restart_read [2022-11-18 18:37:43,500 INFO L130 BoogieDeclarations]: Found specification of procedure trace_kmalloc [2022-11-18 18:37:43,500 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_kmalloc [2022-11-18 18:37:43,500 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2022-11-18 18:37:43,501 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2022-11-18 18:37:43,501 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2022-11-18 18:37:43,501 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-18 18:37:43,502 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-11-18 18:37:43,502 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-11-18 18:37:43,502 INFO L130 BoogieDeclarations]: Found specification of procedure ti_release [2022-11-18 18:37:43,502 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_release [2022-11-18 18:37:43,503 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_deregister [2022-11-18 18:37:43,503 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_deregister [2022-11-18 18:37:43,504 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-11-18 18:37:43,504 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-11-18 18:37:43,505 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_s_reg [2022-11-18 18:37:43,505 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_s_reg [2022-11-18 18:37:43,505 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-11-18 18:37:43,505 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-11-18 18:37:43,506 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2022-11-18 18:37:43,506 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2022-11-18 18:37:43,506 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-11-18 18:37:43,506 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-11-18 18:37:43,506 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-11-18 18:37:43,506 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-11-18 18:37:43,507 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_tty_get [2022-11-18 18:37:43,507 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_port_tty_get [2022-11-18 18:37:43,507 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-11-18 18:37:43,507 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-11-18 18:37:43,508 INFO L130 BoogieDeclarations]: Found specification of procedure usb_clear_halt [2022-11-18 18:37:43,508 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_clear_halt [2022-11-18 18:37:43,508 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-11-18 18:37:43,508 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-11-18 18:37:43,509 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2022-11-18 18:37:43,510 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2022-11-18 18:37:43,512 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_serial_port_data [2022-11-18 18:37:43,518 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_serial_port_data [2022-11-18 18:37:43,519 INFO L130 BoogieDeclarations]: Found specification of procedure ti_command_out_sync [2022-11-18 18:37:43,519 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_command_out_sync [2022-11-18 18:37:43,519 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2022-11-18 18:37:43,521 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2022-11-18 18:37:43,522 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2022-11-18 18:37:43,523 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2022-11-18 18:37:43,523 INFO L130 BoogieDeclarations]: Found specification of procedure ti_open [2022-11-18 18:37:43,528 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_open [2022-11-18 18:37:43,528 INFO L130 BoogieDeclarations]: Found specification of procedure ti_tiocmset [2022-11-18 18:37:43,528 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_tiocmset [2022-11-18 18:37:43,528 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-18 18:37:43,529 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-18 18:37:43,529 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2022-11-18 18:37:43,529 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2022-11-18 18:37:43,529 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_s_der [2022-11-18 18:37:43,529 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_s_der [2022-11-18 18:37:43,529 INFO L130 BoogieDeclarations]: Found specification of procedure ti_write_byte [2022-11-18 18:37:43,530 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_write_byte [2022-11-18 18:37:43,530 INFO L130 BoogieDeclarations]: Found specification of procedure ti_chars_in_buffer [2022-11-18 18:37:43,530 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_chars_in_buffer [2022-11-18 18:37:43,530 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-11-18 18:37:43,530 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-11-18 18:37:43,530 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-11-18 18:37:43,531 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-11-18 18:37:43,531 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-18 18:37:43,531 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-18 18:37:43,531 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2022-11-18 18:37:43,531 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2022-11-18 18:37:43,531 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_register [2022-11-18 18:37:43,532 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_register [2022-11-18 18:37:43,532 INFO L130 BoogieDeclarations]: Found specification of procedure ti_write_room [2022-11-18 18:37:43,532 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_write_room [2022-11-18 18:37:43,532 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-18 18:37:43,532 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_alloc_notrace [2022-11-18 18:37:43,532 INFO L130 BoogieDeclarations]: Found specification of procedure ti_interrupt_callback [2022-11-18 18:37:43,532 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_interrupt_callback [2022-11-18 18:37:43,533 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-18 18:37:43,533 INFO L130 BoogieDeclarations]: Found specification of procedure tty_wakeup [2022-11-18 18:37:43,533 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_wakeup [2022-11-18 18:37:43,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-18 18:37:43,533 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-18 18:37:43,533 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-11-18 18:37:43,534 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-11-18 18:37:43,534 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-11-18 18:37:43,534 INFO L130 BoogieDeclarations]: Found specification of procedure ti_close [2022-11-18 18:37:43,534 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_close [2022-11-18 18:37:43,534 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2022-11-18 18:37:43,534 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2022-11-18 18:37:43,535 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2022-11-18 18:37:43,535 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2022-11-18 18:37:43,535 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_sched_notrace [2022-11-18 18:37:43,535 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock_sched_notrace [2022-11-18 18:37:43,535 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2022-11-18 18:37:43,535 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2022-11-18 18:37:43,536 INFO L130 BoogieDeclarations]: Found specification of procedure ti_unthrottle [2022-11-18 18:37:43,536 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_unthrottle [2022-11-18 18:37:43,536 INFO L130 BoogieDeclarations]: Found specification of procedure request_firmware [2022-11-18 18:37:43,536 INFO L138 BoogieDeclarations]: Found implementation of procedure request_firmware [2022-11-18 18:37:43,536 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-11-18 18:37:43,536 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-11-18 18:37:43,537 INFO L130 BoogieDeclarations]: Found specification of procedure ti_send [2022-11-18 18:37:43,537 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_send [2022-11-18 18:37:43,537 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2022-11-18 18:37:43,537 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2022-11-18 18:37:43,537 INFO L130 BoogieDeclarations]: Found specification of procedure ti_drain [2022-11-18 18:37:43,537 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_drain [2022-11-18 18:37:43,537 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-11-18 18:37:43,538 INFO L130 BoogieDeclarations]: Found specification of procedure ti_set_termios [2022-11-18 18:37:43,538 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_set_termios [2022-11-18 18:37:43,538 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_serial_data [2022-11-18 18:37:43,538 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_serial_data [2022-11-18 18:37:43,540 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-18 18:37:43,540 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-18 18:37:44,350 INFO L235 CfgBuilder]: Building ICFG [2022-11-18 18:37:44,354 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-18 18:37:44,822 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-18 18:39:59,964 INFO L276 CfgBuilder]: Performing block encoding [2022-11-18 18:39:59,983 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-18 18:39:59,983 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-18 18:39:59,987 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 06:39:59 BoogieIcfgContainer [2022-11-18 18:39:59,988 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-18 18:39:59,990 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-18 18:39:59,990 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-18 18:39:59,994 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-18 18:39:59,994 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 06:37:39" (1/3) ... [2022-11-18 18:39:59,995 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68ce4edf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 06:39:59, skipping insertion in model container [2022-11-18 18:39:59,995 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:37:42" (2/3) ... [2022-11-18 18:39:59,995 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68ce4edf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 06:39:59, skipping insertion in model container [2022-11-18 18:39:59,996 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 06:39:59" (3/3) ... [2022-11-18 18:39:59,997 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-stable-5742d35-1-136_1a-drivers--usb--serial--ti_usb_3410_5052.ko-entry_point.cil.out.i [2022-11-18 18:40:00,018 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-18 18:40:00,019 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-18 18:40:00,134 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-18 18:40:00,145 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@220b32fc, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-18 18:40:00,145 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-18 18:40:00,156 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) [2022-11-18 18:40:00,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-11-18 18:40:00,171 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:40:00,172 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] [2022-11-18 18:40:00,173 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 18:40:00,181 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:40:00,181 INFO L85 PathProgramCache]: Analyzing trace with hash -1700598232, now seen corresponding path program 1 times [2022-11-18 18:40:00,205 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-18 18:40:00,205 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [5360376] [2022-11-18 18:40:00,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:40:00,206 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 [2022-11-18 18:40:00,206 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a397a6d3-d7c3-4b4c-9ac8-a259ff134ea7/bin/uautomizer-TMbwUNV5ro/mathsat [2022-11-18 18:40:00,219 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a397a6d3-d7c3-4b4c-9ac8-a259ff134ea7/bin/uautomizer-TMbwUNV5ro/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) [2022-11-18 18:40:00,225 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a397a6d3-d7c3-4b4c-9ac8-a259ff134ea7/bin/uautomizer-TMbwUNV5ro/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 [2022-11-18 18:40:03,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:40:04,026 INFO L263 TraceCheckSpWp]: Trace formula consists of 3043 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-18 18:40:04,035 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 18:40:04,305 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2022-11-18 18:40:04,306 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 18:40:04,306 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-18 18:40:04,307 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [5360376] [2022-11-18 18:40:04,307 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [5360376] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:40:04,307 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:40:04,308 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-18 18:40:04,309 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [698547892] [2022-11-18 18:40:04,310 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:40:04,316 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 18:40:04,316 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-18 18:40:04,355 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 18:40:04,357 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 18:40:04,367 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) [2022-11-18 18:40:06,740 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.36s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:40:08,132 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 18:40:08,133 INFO L93 Difference]: Finished difference Result 4443 states and 6916 transitions. [2022-11-18 18:40:08,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 18:40:08,136 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 [2022-11-18 18:40:08,137 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 18:40:08,192 INFO L225 Difference]: With dead ends: 4443 [2022-11-18 18:40:08,193 INFO L226 Difference]: Without dead ends: 2871 [2022-11-18 18:40:08,224 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 [2022-11-18 18:40:08,232 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 [2022-11-18 18:40:08,233 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] [2022-11-18 18:40:08,259 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2871 states. [2022-11-18 18:40:08,494 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2871 to 2867. [2022-11-18 18:40:08,502 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) [2022-11-18 18:40:08,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2867 states to 2867 states and 4242 transitions. [2022-11-18 18:40:08,532 INFO L78 Accepts]: Start accepts. Automaton has 2867 states and 4242 transitions. Word has length 43 [2022-11-18 18:40:08,533 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 18:40:08,533 INFO L495 AbstractCegarLoop]: Abstraction has 2867 states and 4242 transitions. [2022-11-18 18:40:08,534 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) [2022-11-18 18:40:08,534 INFO L276 IsEmpty]: Start isEmpty. Operand 2867 states and 4242 transitions. [2022-11-18 18:40:08,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-11-18 18:40:08,551 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:40:08,552 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] [2022-11-18 18:40:08,634 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a397a6d3-d7c3-4b4c-9ac8-a259ff134ea7/bin/uautomizer-TMbwUNV5ro/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 [2022-11-18 18:40:08,776 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a397a6d3-d7c3-4b4c-9ac8-a259ff134ea7/bin/uautomizer-TMbwUNV5ro/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 [2022-11-18 18:40:08,776 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 18:40:08,777 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:40:08,777 INFO L85 PathProgramCache]: Analyzing trace with hash 1768961092, now seen corresponding path program 1 times [2022-11-18 18:40:08,779 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-18 18:40:08,780 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2009293323] [2022-11-18 18:40:08,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:40:08,780 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 [2022-11-18 18:40:08,780 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a397a6d3-d7c3-4b4c-9ac8-a259ff134ea7/bin/uautomizer-TMbwUNV5ro/mathsat [2022-11-18 18:40:08,781 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a397a6d3-d7c3-4b4c-9ac8-a259ff134ea7/bin/uautomizer-TMbwUNV5ro/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) [2022-11-18 18:40:08,783 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a397a6d3-d7c3-4b4c-9ac8-a259ff134ea7/bin/uautomizer-TMbwUNV5ro/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 [2022-11-18 18:40:12,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:40:12,663 INFO L263 TraceCheckSpWp]: Trace formula consists of 3079 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-18 18:40:12,668 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 18:40:13,650 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2022-11-18 18:40:13,651 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 18:40:13,651 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-18 18:40:13,651 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2009293323] [2022-11-18 18:40:13,651 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2009293323] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:40:13,651 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:40:13,652 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-18 18:40:13,652 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [571899929] [2022-11-18 18:40:13,652 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:40:13,653 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-18 18:40:13,654 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-18 18:40:13,654 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-18 18:40:13,654 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-18 18:40:13,655 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) [2022-11-18 18:40:16,912 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 18:40:16,912 INFO L93 Difference]: Finished difference Result 8210 states and 12628 transitions. [2022-11-18 18:40:16,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-18 18:40:16,913 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 [2022-11-18 18:40:16,914 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 18:40:16,969 INFO L225 Difference]: With dead ends: 8210 [2022-11-18 18:40:16,969 INFO L226 Difference]: Without dead ends: 5356 [2022-11-18 18:40:16,993 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2022-11-18 18:40:16,996 INFO L413 NwaCegarLoop]: 3312 mSDtfsCounter, 2734 mSDsluCounter, 15376 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 612 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s 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, 2.2s IncrementalHoareTripleChecker+Time [2022-11-18 18:40:16,996 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2855 Valid, 18688 Invalid, 669 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [612 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2022-11-18 18:40:17,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5356 states. [2022-11-18 18:40:17,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5356 to 2872. [2022-11-18 18:40:17,286 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) [2022-11-18 18:40:17,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2872 states to 2872 states and 4248 transitions. [2022-11-18 18:40:17,307 INFO L78 Accepts]: Start accepts. Automaton has 2872 states and 4248 transitions. Word has length 64 [2022-11-18 18:40:17,308 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 18:40:17,308 INFO L495 AbstractCegarLoop]: Abstraction has 2872 states and 4248 transitions. [2022-11-18 18:40:17,308 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) [2022-11-18 18:40:17,309 INFO L276 IsEmpty]: Start isEmpty. Operand 2872 states and 4248 transitions. [2022-11-18 18:40:17,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-11-18 18:40:17,316 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:40:17,316 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] [2022-11-18 18:40:17,396 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a397a6d3-d7c3-4b4c-9ac8-a259ff134ea7/bin/uautomizer-TMbwUNV5ro/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)] Forceful destruction successful, exit code 0 [2022-11-18 18:40:17,539 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a397a6d3-d7c3-4b4c-9ac8-a259ff134ea7/bin/uautomizer-TMbwUNV5ro/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 [2022-11-18 18:40:17,539 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 18:40:17,539 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:40:17,540 INFO L85 PathProgramCache]: Analyzing trace with hash 1182155078, now seen corresponding path program 1 times [2022-11-18 18:40:17,543 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-18 18:40:17,543 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [470861639] [2022-11-18 18:40:17,543 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:40:17,543 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 [2022-11-18 18:40:17,543 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a397a6d3-d7c3-4b4c-9ac8-a259ff134ea7/bin/uautomizer-TMbwUNV5ro/mathsat [2022-11-18 18:40:17,549 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a397a6d3-d7c3-4b4c-9ac8-a259ff134ea7/bin/uautomizer-TMbwUNV5ro/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) [2022-11-18 18:40:17,562 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a397a6d3-d7c3-4b4c-9ac8-a259ff134ea7/bin/uautomizer-TMbwUNV5ro/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 [2022-11-18 18:40:20,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:40:20,983 INFO L263 TraceCheckSpWp]: Trace formula consists of 3078 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-18 18:40:20,987 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 18:40:23,215 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2022-11-18 18:40:23,215 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 18:40:23,216 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-18 18:40:23,216 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [470861639] [2022-11-18 18:40:23,216 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [470861639] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:40:23,216 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:40:23,216 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 18:40:23,216 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1506135801] [2022-11-18 18:40:23,216 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:40:23,217 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 18:40:23,217 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-18 18:40:23,217 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 18:40:23,217 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 18:40:23,218 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) [2022-11-18 18:40:23,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 18:40:23,561 INFO L93 Difference]: Finished difference Result 5704 states and 8447 transitions. [2022-11-18 18:40:23,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 18:40:23,561 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 [2022-11-18 18:40:23,562 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 18:40:23,607 INFO L225 Difference]: With dead ends: 5704 [2022-11-18 18:40:23,607 INFO L226 Difference]: Without dead ends: 5691 [2022-11-18 18:40:23,613 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 [2022-11-18 18:40:23,615 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 [2022-11-18 18:40:23,617 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] [2022-11-18 18:40:23,625 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5691 states. [2022-11-18 18:40:23,896 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5691 to 5689. [2022-11-18 18:40:23,909 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) [2022-11-18 18:40:23,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5689 states to 5689 states and 8429 transitions. [2022-11-18 18:40:23,941 INFO L78 Accepts]: Start accepts. Automaton has 5689 states and 8429 transitions. Word has length 64 [2022-11-18 18:40:23,942 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 18:40:23,943 INFO L495 AbstractCegarLoop]: Abstraction has 5689 states and 8429 transitions. [2022-11-18 18:40:23,946 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) [2022-11-18 18:40:23,947 INFO L276 IsEmpty]: Start isEmpty. Operand 5689 states and 8429 transitions. [2022-11-18 18:40:23,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-11-18 18:40:23,951 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:40:23,951 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] [2022-11-18 18:40:24,034 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a397a6d3-d7c3-4b4c-9ac8-a259ff134ea7/bin/uautomizer-TMbwUNV5ro/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 [2022-11-18 18:40:24,175 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a397a6d3-d7c3-4b4c-9ac8-a259ff134ea7/bin/uautomizer-TMbwUNV5ro/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 [2022-11-18 18:40:24,175 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 18:40:24,175 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:40:24,175 INFO L85 PathProgramCache]: Analyzing trace with hash -2008507278, now seen corresponding path program 1 times [2022-11-18 18:40:24,179 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-18 18:40:24,179 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [109300009] [2022-11-18 18:40:24,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:40:24,179 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 [2022-11-18 18:40:24,179 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a397a6d3-d7c3-4b4c-9ac8-a259ff134ea7/bin/uautomizer-TMbwUNV5ro/mathsat [2022-11-18 18:40:24,181 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a397a6d3-d7c3-4b4c-9ac8-a259ff134ea7/bin/uautomizer-TMbwUNV5ro/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) [2022-11-18 18:40:24,228 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a397a6d3-d7c3-4b4c-9ac8-a259ff134ea7/bin/uautomizer-TMbwUNV5ro/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 [2022-11-18 18:40:27,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:40:27,679 INFO L263 TraceCheckSpWp]: Trace formula consists of 3079 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-18 18:40:27,682 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 18:40:30,077 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2022-11-18 18:40:30,077 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 18:40:30,077 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-18 18:40:30,077 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [109300009] [2022-11-18 18:40:30,077 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [109300009] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:40:30,078 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:40:30,078 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-18 18:40:30,078 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [210587328] [2022-11-18 18:40:30,078 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:40:30,078 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-18 18:40:30,079 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-18 18:40:30,079 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-18 18:40:30,079 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-18 18:40:30,079 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) [2022-11-18 18:40:32,564 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.48s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:41:05,894 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:41:11,390 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:41:15,340 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:41:32,284 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:41:58,459 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:42:02,971 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 [] [2022-11-18 18:42:17,672 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 18:42:17,672 INFO L93 Difference]: Finished difference Result 16835 states and 24993 transitions. [2022-11-18 18:42:17,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-18 18:42:17,675 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 [2022-11-18 18:42:17,676 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 18:42:17,763 INFO L225 Difference]: With dead ends: 16835 [2022-11-18 18:42:17,764 INFO L226 Difference]: Without dead ends: 11156 [2022-11-18 18:42:17,800 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 [2022-11-18 18:42:17,801 INFO L413 NwaCegarLoop]: 836 mSDtfsCounter, 3653 mSDsluCounter, 1183 mSDsCounter, 0 mSdLazyCounter, 3501 mSolverCounterSat, 1020 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 103.7s 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, 106.7s IncrementalHoareTripleChecker+Time [2022-11-18 18:42:17,801 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3982 Valid, 2019 Invalid, 4528 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1020 Valid, 3501 Invalid, 7 Unknown, 0 Unchecked, 106.7s Time] [2022-11-18 18:42:17,814 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11156 states. [2022-11-18 18:42:18,576 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11156 to 11128. [2022-11-18 18:42:18,605 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) [2022-11-18 18:42:18,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11128 states to 11128 states and 16532 transitions. [2022-11-18 18:42:18,674 INFO L78 Accepts]: Start accepts. Automaton has 11128 states and 16532 transitions. Word has length 65 [2022-11-18 18:42:18,677 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 18:42:18,677 INFO L495 AbstractCegarLoop]: Abstraction has 11128 states and 16532 transitions. [2022-11-18 18:42:18,678 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) [2022-11-18 18:42:18,678 INFO L276 IsEmpty]: Start isEmpty. Operand 11128 states and 16532 transitions. [2022-11-18 18:42:18,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2022-11-18 18:42:18,686 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:42:18,686 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] [2022-11-18 18:42:18,768 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a397a6d3-d7c3-4b4c-9ac8-a259ff134ea7/bin/uautomizer-TMbwUNV5ro/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 [2022-11-18 18:42:18,907 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a397a6d3-d7c3-4b4c-9ac8-a259ff134ea7/bin/uautomizer-TMbwUNV5ro/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 [2022-11-18 18:42:18,907 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 18:42:18,907 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:42:18,907 INFO L85 PathProgramCache]: Analyzing trace with hash -1593099272, now seen corresponding path program 1 times [2022-11-18 18:42:18,911 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-18 18:42:18,911 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1313437638] [2022-11-18 18:42:18,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:42:18,911 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 [2022-11-18 18:42:18,911 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a397a6d3-d7c3-4b4c-9ac8-a259ff134ea7/bin/uautomizer-TMbwUNV5ro/mathsat [2022-11-18 18:42:18,913 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a397a6d3-d7c3-4b4c-9ac8-a259ff134ea7/bin/uautomizer-TMbwUNV5ro/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) [2022-11-18 18:42:18,938 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a397a6d3-d7c3-4b4c-9ac8-a259ff134ea7/bin/uautomizer-TMbwUNV5ro/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 [2022-11-18 18:42:22,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:42:22,456 INFO L263 TraceCheckSpWp]: Trace formula consists of 3108 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-18 18:42:22,459 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 18:42:23,614 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2022-11-18 18:42:23,618 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 18:42:23,618 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-18 18:42:23,618 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1313437638] [2022-11-18 18:42:23,618 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1313437638] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:42:23,618 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:42:23,619 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-18 18:42:23,619 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1716285355] [2022-11-18 18:42:23,619 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:42:23,619 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-18 18:42:23,619 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-18 18:42:23,620 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-18 18:42:23,620 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-18 18:42:23,620 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) [2022-11-18 18:42:27,965 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 18:42:27,965 INFO L93 Difference]: Finished difference Result 28749 states and 44000 transitions. [2022-11-18 18:42:27,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-18 18:42:27,966 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 [2022-11-18 18:42:27,966 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 18:42:28,118 INFO L225 Difference]: With dead ends: 28749 [2022-11-18 18:42:28,118 INFO L226 Difference]: Without dead ends: 17634 [2022-11-18 18:42:28,187 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2022-11-18 18:42:28,188 INFO L413 NwaCegarLoop]: 3669 mSDtfsCounter, 2453 mSDsluCounter, 16258 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 593 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s 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, 2.4s IncrementalHoareTripleChecker+Time [2022-11-18 18:42:28,189 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2571 Valid, 19927 Invalid, 661 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [593 Valid, 68 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2022-11-18 18:42:28,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17634 states. [2022-11-18 18:42:29,059 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17634 to 11134. [2022-11-18 18:42:29,078 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) [2022-11-18 18:42:29,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11134 states to 11134 states and 16538 transitions. [2022-11-18 18:42:29,144 INFO L78 Accepts]: Start accepts. Automaton has 11134 states and 16538 transitions. Word has length 76 [2022-11-18 18:42:29,144 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 18:42:29,144 INFO L495 AbstractCegarLoop]: Abstraction has 11134 states and 16538 transitions. [2022-11-18 18:42:29,145 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) [2022-11-18 18:42:29,145 INFO L276 IsEmpty]: Start isEmpty. Operand 11134 states and 16538 transitions. [2022-11-18 18:42:29,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2022-11-18 18:42:29,151 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:42:29,151 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] [2022-11-18 18:42:29,236 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a397a6d3-d7c3-4b4c-9ac8-a259ff134ea7/bin/uautomizer-TMbwUNV5ro/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)] Ended with exit code 0 [2022-11-18 18:42:29,367 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a397a6d3-d7c3-4b4c-9ac8-a259ff134ea7/bin/uautomizer-TMbwUNV5ro/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 [2022-11-18 18:42:29,367 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 18:42:29,367 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:42:29,367 INFO L85 PathProgramCache]: Analyzing trace with hash -1334933834, now seen corresponding path program 1 times [2022-11-18 18:42:29,370 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-18 18:42:29,370 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1223488754] [2022-11-18 18:42:29,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:42:29,370 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 [2022-11-18 18:42:29,370 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a397a6d3-d7c3-4b4c-9ac8-a259ff134ea7/bin/uautomizer-TMbwUNV5ro/mathsat [2022-11-18 18:42:29,371 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a397a6d3-d7c3-4b4c-9ac8-a259ff134ea7/bin/uautomizer-TMbwUNV5ro/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) [2022-11-18 18:42:29,372 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a397a6d3-d7c3-4b4c-9ac8-a259ff134ea7/bin/uautomizer-TMbwUNV5ro/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 [2022-11-18 18:42:32,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:42:32,804 INFO L263 TraceCheckSpWp]: Trace formula consists of 3107 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-18 18:42:32,807 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 18:42:33,991 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2022-11-18 18:42:33,991 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 18:42:35,688 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2022-11-18 18:42:35,689 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-18 18:42:35,689 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1223488754] [2022-11-18 18:42:35,689 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1223488754] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-18 18:42:35,689 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-18 18:42:35,689 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 5 [2022-11-18 18:42:35,689 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1137529296] [2022-11-18 18:42:35,690 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-18 18:42:35,690 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-18 18:42:35,690 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-18 18:42:35,691 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-18 18:42:35,691 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-18 18:42:35,691 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) [2022-11-18 18:42:37,970 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.28s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:42:40,779 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.81s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:43:34,309 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:43:43,259 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:43:48,362 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:44:13,256 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:44:51,384 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:44:58,844 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 [] [2022-11-18 18:45:18,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 18:45:18,429 INFO L93 Difference]: Finished difference Result 11569 states and 17037 transitions. [2022-11-18 18:45:18,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-18 18:45:18,434 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 [2022-11-18 18:45:18,434 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 18:45:18,492 INFO L225 Difference]: With dead ends: 11569 [2022-11-18 18:45:18,493 INFO L226 Difference]: Without dead ends: 11566 [2022-11-18 18:45:18,501 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 152 GetRequests, 148 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2022-11-18 18:45:18,502 INFO L413 NwaCegarLoop]: 1361 mSDtfsCounter, 3247 mSDsluCounter, 1626 mSDsCounter, 0 mSdLazyCounter, 4598 mSolverCounterSat, 869 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 158.6s 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, 161.8s IncrementalHoareTripleChecker+Time [2022-11-18 18:45:18,503 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3573 Valid, 2987 Invalid, 5475 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [869 Valid, 4598 Invalid, 8 Unknown, 0 Unchecked, 161.8s Time] [2022-11-18 18:45:18,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11566 states. [2022-11-18 18:45:19,267 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11566 to 11546. [2022-11-18 18:45:19,284 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) [2022-11-18 18:45:19,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11546 states to 11546 states and 17010 transitions. [2022-11-18 18:45:19,336 INFO L78 Accepts]: Start accepts. Automaton has 11546 states and 17010 transitions. Word has length 76 [2022-11-18 18:45:19,337 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 18:45:19,337 INFO L495 AbstractCegarLoop]: Abstraction has 11546 states and 17010 transitions. [2022-11-18 18:45:19,338 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) [2022-11-18 18:45:19,338 INFO L276 IsEmpty]: Start isEmpty. Operand 11546 states and 17010 transitions. [2022-11-18 18:45:19,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2022-11-18 18:45:19,343 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:45:19,344 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] [2022-11-18 18:45:19,419 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a397a6d3-d7c3-4b4c-9ac8-a259ff134ea7/bin/uautomizer-TMbwUNV5ro/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 [2022-11-18 18:45:19,567 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a397a6d3-d7c3-4b4c-9ac8-a259ff134ea7/bin/uautomizer-TMbwUNV5ro/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 [2022-11-18 18:45:19,567 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 18:45:19,567 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:45:19,567 INFO L85 PathProgramCache]: Analyzing trace with hash -1194385224, now seen corresponding path program 1 times [2022-11-18 18:45:19,571 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-18 18:45:19,571 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1335198164] [2022-11-18 18:45:19,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:45:19,571 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 [2022-11-18 18:45:19,571 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a397a6d3-d7c3-4b4c-9ac8-a259ff134ea7/bin/uautomizer-TMbwUNV5ro/mathsat [2022-11-18 18:45:19,572 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a397a6d3-d7c3-4b4c-9ac8-a259ff134ea7/bin/uautomizer-TMbwUNV5ro/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) [2022-11-18 18:45:19,573 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a397a6d3-d7c3-4b4c-9ac8-a259ff134ea7/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2022-11-18 18:45:23,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:45:23,332 INFO L263 TraceCheckSpWp]: Trace formula consists of 3106 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-18 18:45:23,335 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 18:45:24,714 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2022-11-18 18:45:24,714 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 18:45:24,714 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-18 18:45:24,714 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1335198164] [2022-11-18 18:45:24,715 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1335198164] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:45:24,715 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:45:24,715 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-18 18:45:24,715 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [248505433] [2022-11-18 18:45:24,715 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:45:24,716 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-18 18:45:24,716 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-18 18:45:24,716 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-18 18:45:24,717 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-18 18:45:24,717 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) [2022-11-18 18:45:28,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 18:45:28,849 INFO L93 Difference]: Finished difference Result 23164 states and 34734 transitions. [2022-11-18 18:45:28,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-18 18:45:28,850 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 [2022-11-18 18:45:28,850 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 18:45:28,920 INFO L225 Difference]: With dead ends: 23164 [2022-11-18 18:45:28,920 INFO L226 Difference]: Without dead ends: 11631 [2022-11-18 18:45:28,968 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2022-11-18 18:45:28,969 INFO L413 NwaCegarLoop]: 3005 mSDtfsCounter, 1843 mSDsluCounter, 13950 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 350 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1961 SdHoareTripleChecker+Valid, 16955 SdHoareTripleChecker+Invalid, 419 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 350 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-11-18 18:45:28,969 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1961 Valid, 16955 Invalid, 419 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [350 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2022-11-18 18:45:28,982 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11631 states. [2022-11-18 18:45:29,697 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11631 to 8792. [2022-11-18 18:45:29,709 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) [2022-11-18 18:45:29,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8792 states to 8792 states and 12896 transitions. [2022-11-18 18:45:29,750 INFO L78 Accepts]: Start accepts. Automaton has 8792 states and 12896 transitions. Word has length 76 [2022-11-18 18:45:29,751 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 18:45:29,751 INFO L495 AbstractCegarLoop]: Abstraction has 8792 states and 12896 transitions. [2022-11-18 18:45:29,751 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) [2022-11-18 18:45:29,751 INFO L276 IsEmpty]: Start isEmpty. Operand 8792 states and 12896 transitions. [2022-11-18 18:45:29,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-11-18 18:45:29,758 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:45:29,758 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] [2022-11-18 18:45:29,837 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a397a6d3-d7c3-4b4c-9ac8-a259ff134ea7/bin/uautomizer-TMbwUNV5ro/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)] Forceful destruction successful, exit code 0 [2022-11-18 18:45:29,975 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a397a6d3-d7c3-4b4c-9ac8-a259ff134ea7/bin/uautomizer-TMbwUNV5ro/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 [2022-11-18 18:45:29,975 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 18:45:29,975 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:45:29,975 INFO L85 PathProgramCache]: Analyzing trace with hash 1270615411, now seen corresponding path program 1 times [2022-11-18 18:45:29,978 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-18 18:45:29,979 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1909250541] [2022-11-18 18:45:29,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:45:29,979 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 [2022-11-18 18:45:29,979 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a397a6d3-d7c3-4b4c-9ac8-a259ff134ea7/bin/uautomizer-TMbwUNV5ro/mathsat [2022-11-18 18:45:29,983 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a397a6d3-d7c3-4b4c-9ac8-a259ff134ea7/bin/uautomizer-TMbwUNV5ro/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) [2022-11-18 18:45:30,028 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a397a6d3-d7c3-4b4c-9ac8-a259ff134ea7/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2022-11-18 18:45:33,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:45:33,822 INFO L263 TraceCheckSpWp]: Trace formula consists of 3146 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-18 18:45:33,826 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 18:45:35,242 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2022-11-18 18:45:35,243 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 18:45:35,243 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-18 18:45:35,243 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1909250541] [2022-11-18 18:45:35,243 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1909250541] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:45:35,243 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:45:35,243 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-18 18:45:35,244 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [600898484] [2022-11-18 18:45:35,244 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:45:35,244 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-18 18:45:35,244 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-18 18:45:35,245 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-18 18:45:35,245 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-18 18:45:35,245 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) [2022-11-18 18:45:47,636 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 18:45:47,636 INFO L93 Difference]: Finished difference Result 13739 states and 21226 transitions. [2022-11-18 18:45:47,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-18 18:45:47,637 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 [2022-11-18 18:45:47,637 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 18:45:47,721 INFO L225 Difference]: With dead ends: 13739 [2022-11-18 18:45:47,721 INFO L226 Difference]: Without dead ends: 13719 [2022-11-18 18:45:47,734 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2022-11-18 18:45:47,735 INFO L413 NwaCegarLoop]: 3279 mSDtfsCounter, 5608 mSDsluCounter, 13997 mSDsCounter, 0 mSdLazyCounter, 280 mSolverCounterSat, 1309 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5732 SdHoareTripleChecker+Valid, 17276 SdHoareTripleChecker+Invalid, 1589 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1309 IncrementalHoareTripleChecker+Valid, 280 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.7s IncrementalHoareTripleChecker+Time [2022-11-18 18:45:47,735 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5732 Valid, 17276 Invalid, 1589 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1309 Valid, 280 Invalid, 0 Unknown, 0 Unchecked, 9.7s Time] [2022-11-18 18:45:47,749 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13719 states. [2022-11-18 18:45:48,553 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13719 to 8796. [2022-11-18 18:45:48,564 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) [2022-11-18 18:45:48,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8796 states to 8796 states and 12900 transitions. [2022-11-18 18:45:48,606 INFO L78 Accepts]: Start accepts. Automaton has 8796 states and 12900 transitions. Word has length 81 [2022-11-18 18:45:48,606 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 18:45:48,607 INFO L495 AbstractCegarLoop]: Abstraction has 8796 states and 12900 transitions. [2022-11-18 18:45:48,607 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) [2022-11-18 18:45:48,607 INFO L276 IsEmpty]: Start isEmpty. Operand 8796 states and 12900 transitions. [2022-11-18 18:45:48,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2022-11-18 18:45:48,615 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:45:48,615 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] [2022-11-18 18:45:48,693 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a397a6d3-d7c3-4b4c-9ac8-a259ff134ea7/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2022-11-18 18:45:48,831 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a397a6d3-d7c3-4b4c-9ac8-a259ff134ea7/bin/uautomizer-TMbwUNV5ro/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 [2022-11-18 18:45:48,831 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 18:45:48,831 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:45:48,831 INFO L85 PathProgramCache]: Analyzing trace with hash 1864212269, now seen corresponding path program 1 times [2022-11-18 18:45:48,835 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-18 18:45:48,835 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1170276192] [2022-11-18 18:45:48,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:45:48,835 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 [2022-11-18 18:45:48,835 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a397a6d3-d7c3-4b4c-9ac8-a259ff134ea7/bin/uautomizer-TMbwUNV5ro/mathsat [2022-11-18 18:45:48,839 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a397a6d3-d7c3-4b4c-9ac8-a259ff134ea7/bin/uautomizer-TMbwUNV5ro/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) [2022-11-18 18:45:48,882 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a397a6d3-d7c3-4b4c-9ac8-a259ff134ea7/bin/uautomizer-TMbwUNV5ro/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 [2022-11-18 18:45:52,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:45:52,899 INFO L263 TraceCheckSpWp]: Trace formula consists of 3144 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-18 18:45:52,902 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 18:45:53,299 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2022-11-18 18:45:53,300 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 18:45:53,300 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-18 18:45:53,300 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1170276192] [2022-11-18 18:45:53,300 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1170276192] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:45:53,300 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:45:53,300 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-18 18:45:53,300 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1277015588] [2022-11-18 18:45:53,301 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:45:53,301 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-18 18:45:53,301 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-18 18:45:53,301 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-18 18:45:53,302 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-18 18:45:53,302 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) [2022-11-18 18:45:58,227 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 18:45:58,227 INFO L93 Difference]: Finished difference Result 15621 states and 23070 transitions. [2022-11-18 18:45:58,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-18 18:45:58,228 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 [2022-11-18 18:45:58,228 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 18:45:58,263 INFO L225 Difference]: With dead ends: 15621 [2022-11-18 18:45:58,263 INFO L226 Difference]: Without dead ends: 6838 [2022-11-18 18:45:58,296 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 [2022-11-18 18:45:58,297 INFO L413 NwaCegarLoop]: 2731 mSDtfsCounter, 2767 mSDsluCounter, 2288 mSDsCounter, 0 mSdLazyCounter, 127 mSolverCounterSat, 131 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s 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, 4.2s IncrementalHoareTripleChecker+Time [2022-11-18 18:45:58,297 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2767 Valid, 5019 Invalid, 258 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [131 Valid, 127 Invalid, 0 Unknown, 0 Unchecked, 4.2s Time] [2022-11-18 18:45:58,304 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6838 states. [2022-11-18 18:45:58,855 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6838 to 6001. [2022-11-18 18:45:58,862 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) [2022-11-18 18:45:58,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6001 states to 6001 states and 8765 transitions. [2022-11-18 18:45:58,887 INFO L78 Accepts]: Start accepts. Automaton has 6001 states and 8765 transitions. Word has length 82 [2022-11-18 18:45:58,887 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 18:45:58,887 INFO L495 AbstractCegarLoop]: Abstraction has 6001 states and 8765 transitions. [2022-11-18 18:45:58,888 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) [2022-11-18 18:45:58,888 INFO L276 IsEmpty]: Start isEmpty. Operand 6001 states and 8765 transitions. [2022-11-18 18:45:58,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2022-11-18 18:45:58,896 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:45:58,896 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] [2022-11-18 18:45:58,979 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a397a6d3-d7c3-4b4c-9ac8-a259ff134ea7/bin/uautomizer-TMbwUNV5ro/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 [2022-11-18 18:45:59,119 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a397a6d3-d7c3-4b4c-9ac8-a259ff134ea7/bin/uautomizer-TMbwUNV5ro/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 [2022-11-18 18:45:59,119 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 18:45:59,119 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:45:59,119 INFO L85 PathProgramCache]: Analyzing trace with hash 459559503, now seen corresponding path program 1 times [2022-11-18 18:45:59,123 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-18 18:45:59,123 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [477834077] [2022-11-18 18:45:59,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:45:59,123 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 [2022-11-18 18:45:59,123 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a397a6d3-d7c3-4b4c-9ac8-a259ff134ea7/bin/uautomizer-TMbwUNV5ro/mathsat [2022-11-18 18:45:59,129 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a397a6d3-d7c3-4b4c-9ac8-a259ff134ea7/bin/uautomizer-TMbwUNV5ro/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) [2022-11-18 18:45:59,177 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a397a6d3-d7c3-4b4c-9ac8-a259ff134ea7/bin/uautomizer-TMbwUNV5ro/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