./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-tty-synclink_gt.ko.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8393723b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974c5909-fa73-4d9d-8ce7-9526013fed70/bin/utaipan-I9t0OCRTmS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974c5909-fa73-4d9d-8ce7-9526013fed70/bin/utaipan-I9t0OCRTmS/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974c5909-fa73-4d9d-8ce7-9526013fed70/bin/utaipan-I9t0OCRTmS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974c5909-fa73-4d9d-8ce7-9526013fed70/bin/utaipan-I9t0OCRTmS/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-tty-synclink_gt.ko.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974c5909-fa73-4d9d-8ce7-9526013fed70/bin/utaipan-I9t0OCRTmS/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974c5909-fa73-4d9d-8ce7-9526013fed70/bin/utaipan-I9t0OCRTmS --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 549d105dbd2b95e1c241c01b48dc69ec107f34e0fb82917a92dcec665dfc2efc --- 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 [2022-11-19 07:39:33,792 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-19 07:39:33,795 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-19 07:39:33,814 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-19 07:39:33,814 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-19 07:39:33,815 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-19 07:39:33,817 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-19 07:39:33,818 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-19 07:39:33,820 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-19 07:39:33,821 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-19 07:39:33,822 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-19 07:39:33,824 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-19 07:39:33,824 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-19 07:39:33,825 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-19 07:39:33,827 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-19 07:39:33,828 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-19 07:39:33,829 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-19 07:39:33,830 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-19 07:39:33,832 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-19 07:39:33,834 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-19 07:39:33,836 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-19 07:39:33,837 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-19 07:39:33,839 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-19 07:39:33,840 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-19 07:39:33,843 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-19 07:39:33,844 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-19 07:39:33,844 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-19 07:39:33,845 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-19 07:39:33,846 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-19 07:39:33,847 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-19 07:39:33,847 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-19 07:39:33,848 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-19 07:39:33,849 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-19 07:39:33,850 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-19 07:39:33,852 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-19 07:39:33,852 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-19 07:39:33,853 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-19 07:39:33,853 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-19 07:39:33,854 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-19 07:39:33,855 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-19 07:39:33,856 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-19 07:39:33,864 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974c5909-fa73-4d9d-8ce7-9526013fed70/bin/utaipan-I9t0OCRTmS/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-19 07:39:33,900 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-19 07:39:33,901 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-19 07:39:33,901 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-19 07:39:33,902 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-19 07:39:33,903 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-19 07:39:33,903 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-19 07:39:33,903 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-19 07:39:33,903 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-19 07:39:33,904 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-19 07:39:33,904 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-19 07:39:33,905 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-19 07:39:33,905 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-19 07:39:33,906 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-19 07:39:33,906 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-19 07:39:33,906 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-19 07:39:33,907 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-19 07:39:33,907 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-19 07:39:33,907 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-19 07:39:33,908 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-19 07:39:33,908 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-19 07:39:33,908 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-19 07:39:33,909 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-19 07:39:33,909 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-19 07:39:33,909 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-19 07:39:33,909 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-19 07:39:33,910 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-19 07:39:33,910 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-19 07:39:33,912 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-19 07:39:33,912 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-19 07:39:33,912 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 07:39:33,912 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-19 07:39:33,913 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-19 07:39:33,913 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-19 07:39:33,913 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-19 07:39:33,914 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-19 07:39:33,914 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-19 07:39:33,914 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-19 07:39:33,914 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-19 07:39:33,915 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_974c5909-fa73-4d9d-8ce7-9526013fed70/bin/utaipan-I9t0OCRTmS/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974c5909-fa73-4d9d-8ce7-9526013fed70/bin/utaipan-I9t0OCRTmS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 549d105dbd2b95e1c241c01b48dc69ec107f34e0fb82917a92dcec665dfc2efc [2022-11-19 07:39:34,241 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-19 07:39:34,273 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-19 07:39:34,276 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-19 07:39:34,277 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-19 07:39:34,278 INFO L275 PluginConnector]: CDTParser initialized [2022-11-19 07:39:34,279 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974c5909-fa73-4d9d-8ce7-9526013fed70/bin/utaipan-I9t0OCRTmS/../../sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-tty-synclink_gt.ko.cil.out.i [2022-11-19 07:39:34,347 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974c5909-fa73-4d9d-8ce7-9526013fed70/bin/utaipan-I9t0OCRTmS/data/8986c3727/6e8aa23e370343909355492255692085/FLAG811d6de32 [2022-11-19 07:39:35,300 INFO L306 CDTParser]: Found 1 translation units. [2022-11-19 07:39:35,301 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974c5909-fa73-4d9d-8ce7-9526013fed70/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-tty-synclink_gt.ko.cil.out.i [2022-11-19 07:39:35,364 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974c5909-fa73-4d9d-8ce7-9526013fed70/bin/utaipan-I9t0OCRTmS/data/8986c3727/6e8aa23e370343909355492255692085/FLAG811d6de32 [2022-11-19 07:39:35,647 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974c5909-fa73-4d9d-8ce7-9526013fed70/bin/utaipan-I9t0OCRTmS/data/8986c3727/6e8aa23e370343909355492255692085 [2022-11-19 07:39:35,650 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-19 07:39:35,651 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-19 07:39:35,653 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-19 07:39:35,653 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-19 07:39:35,657 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-19 07:39:35,658 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:39:35" (1/1) ... [2022-11-19 07:39:35,659 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70104c1b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:39:35, skipping insertion in model container [2022-11-19 07:39:35,659 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:39:35" (1/1) ... [2022-11-19 07:39:35,666 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-19 07:39:35,830 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-19 07:39:38,585 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_974c5909-fa73-4d9d-8ce7-9526013fed70/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-tty-synclink_gt.ko.cil.out.i[379011,379024] [2022-11-19 07:39:38,645 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 07:39:38,693 INFO L203 MainTranslator]: Completed pre-run [2022-11-19 07:39:39,357 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_974c5909-fa73-4d9d-8ce7-9526013fed70/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-tty-synclink_gt.ko.cil.out.i[379011,379024] [2022-11-19 07:39:39,367 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 07:39:39,730 INFO L208 MainTranslator]: Completed translation [2022-11-19 07:39:39,731 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:39:39 WrapperNode [2022-11-19 07:39:39,731 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-19 07:39:39,732 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-19 07:39:39,732 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-19 07:39:39,732 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-19 07:39:39,739 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:39:39" (1/1) ... [2022-11-19 07:39:39,889 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:39:39" (1/1) ... [2022-11-19 07:39:40,113 INFO L138 Inliner]: procedures = 343, calls = 3539, calls flagged for inlining = 191, calls inlined = 172, statements flattened = 8418 [2022-11-19 07:39:40,114 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-19 07:39:40,115 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-19 07:39:40,115 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-19 07:39:40,115 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-19 07:39:40,125 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:39:39" (1/1) ... [2022-11-19 07:39:40,125 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:39:39" (1/1) ... [2022-11-19 07:39:40,162 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:39:39" (1/1) ... [2022-11-19 07:39:40,162 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:39:39" (1/1) ... [2022-11-19 07:39:40,414 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:39:39" (1/1) ... [2022-11-19 07:39:40,440 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:39:39" (1/1) ... [2022-11-19 07:39:40,465 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:39:39" (1/1) ... [2022-11-19 07:39:40,494 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:39:39" (1/1) ... [2022-11-19 07:39:40,550 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-19 07:39:40,552 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-19 07:39:40,553 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-19 07:39:40,553 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-19 07:39:40,554 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:39:39" (1/1) ... [2022-11-19 07:39:40,560 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 07:39:40,573 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974c5909-fa73-4d9d-8ce7-9526013fed70/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 07:39:40,590 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974c5909-fa73-4d9d-8ce7-9526013fed70/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-19 07:39:40,619 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974c5909-fa73-4d9d-8ce7-9526013fed70/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-19 07:39:40,639 INFO L130 BoogieDeclarations]: Found specification of procedure remove_wait_queue [2022-11-19 07:39:40,639 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_wait_queue [2022-11-19 07:39:40,639 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2022-11-19 07:39:40,640 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-19 07:39:40,640 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-19 07:39:40,640 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-11-19 07:39:40,640 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-11-19 07:39:40,640 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-11-19 07:39:40,640 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-11-19 07:39:40,640 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-11-19 07:39:40,640 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-11-19 07:39:40,641 INFO L130 BoogieDeclarations]: Found specification of procedure set_signals [2022-11-19 07:39:40,641 INFO L138 BoogieDeclarations]: Found implementation of procedure set_signals [2022-11-19 07:39:40,641 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-19 07:39:40,641 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-19 07:39:40,641 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_dma_bufs [2022-11-19 07:39:40,641 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_dma_bufs [2022-11-19 07:39:40,641 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2022-11-19 07:39:40,641 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2022-11-19 07:39:40,642 INFO L130 BoogieDeclarations]: Found specification of procedure tty_insert_flip_char [2022-11-19 07:39:40,642 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_insert_flip_char [2022-11-19 07:39:40,642 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-11-19 07:39:40,642 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-11-19 07:39:40,642 INFO L130 BoogieDeclarations]: Found specification of procedure tx_stop [2022-11-19 07:39:40,642 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_stop [2022-11-19 07:39:40,642 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2022-11-19 07:39:40,642 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2022-11-19 07:39:40,642 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2022-11-19 07:39:40,643 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2022-11-19 07:39:40,643 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-11-19 07:39:40,643 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-11-19 07:39:40,643 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-19 07:39:40,643 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-19 07:39:40,643 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-11-19 07:39:40,643 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-11-19 07:39:40,643 INFO L130 BoogieDeclarations]: Found specification of procedure free_bufs [2022-11-19 07:39:40,644 INFO L138 BoogieDeclarations]: Found implementation of procedure free_bufs [2022-11-19 07:39:40,644 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2022-11-19 07:39:40,644 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2022-11-19 07:39:40,644 INFO L130 BoogieDeclarations]: Found specification of procedure change_params [2022-11-19 07:39:40,644 INFO L138 BoogieDeclarations]: Found implementation of procedure change_params [2022-11-19 07:39:40,645 INFO L130 BoogieDeclarations]: Found specification of procedure msleep_interruptible [2022-11-19 07:39:40,645 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep_interruptible [2022-11-19 07:39:40,645 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2022-11-19 07:39:40,645 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2022-11-19 07:39:40,645 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-19 07:39:40,646 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-19 07:39:40,646 INFO L130 BoogieDeclarations]: Found specification of procedure tx_start [2022-11-19 07:39:40,646 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_start [2022-11-19 07:39:40,647 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-19 07:39:40,647 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-11-19 07:39:40,647 INFO L130 BoogieDeclarations]: Found specification of procedure startup [2022-11-19 07:39:40,647 INFO L138 BoogieDeclarations]: Found implementation of procedure startup [2022-11-19 07:39:40,648 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-19 07:39:40,648 INFO L130 BoogieDeclarations]: Found specification of procedure reset_rbufs [2022-11-19 07:39:40,648 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_rbufs [2022-11-19 07:39:40,648 INFO L130 BoogieDeclarations]: Found specification of procedure wait_until_sent [2022-11-19 07:39:40,648 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_until_sent [2022-11-19 07:39:40,648 INFO L130 BoogieDeclarations]: Found specification of procedure signal_pending [2022-11-19 07:39:40,649 INFO L138 BoogieDeclarations]: Found implementation of procedure signal_pending [2022-11-19 07:39:40,649 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-19 07:39:40,649 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-19 07:39:40,649 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_blast_assert [2022-11-19 07:39:40,649 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_blast_assert [2022-11-19 07:39:40,650 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-19 07:39:40,650 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-19 07:39:40,650 INFO L130 BoogieDeclarations]: Found specification of procedure set_rate [2022-11-19 07:39:40,650 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rate [2022-11-19 07:39:40,650 INFO L130 BoogieDeclarations]: Found specification of procedure free_rbufs [2022-11-19 07:39:40,650 INFO L138 BoogieDeclarations]: Found implementation of procedure free_rbufs [2022-11-19 07:39:40,650 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2022-11-19 07:39:40,650 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2022-11-19 07:39:40,650 INFO L130 BoogieDeclarations]: Found specification of procedure async_mode [2022-11-19 07:39:40,651 INFO L138 BoogieDeclarations]: Found implementation of procedure async_mode [2022-11-19 07:39:40,651 INFO L130 BoogieDeclarations]: Found specification of procedure ioctl [2022-11-19 07:39:40,651 INFO L138 BoogieDeclarations]: Found implementation of procedure ioctl [2022-11-19 07:39:40,652 INFO L130 BoogieDeclarations]: Found specification of procedure put_tty_driver [2022-11-19 07:39:40,652 INFO L138 BoogieDeclarations]: Found implementation of procedure put_tty_driver [2022-11-19 07:39:40,652 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-11-19 07:39:40,652 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-11-19 07:39:40,652 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-11-19 07:39:40,652 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-11-19 07:39:40,653 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-11-19 07:39:40,653 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-11-19 07:39:40,653 INFO L130 BoogieDeclarations]: Found specification of procedure add_wait_queue [2022-11-19 07:39:40,653 INFO L138 BoogieDeclarations]: Found implementation of procedure add_wait_queue [2022-11-19 07:39:40,653 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-11-19 07:39:40,654 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-11-19 07:39:40,654 INFO L130 BoogieDeclarations]: Found specification of procedure rx_stop [2022-11-19 07:39:40,654 INFO L138 BoogieDeclarations]: Found implementation of procedure rx_stop [2022-11-19 07:39:40,655 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-11-19 07:39:40,655 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-11-19 07:39:40,656 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2022-11-19 07:39:40,656 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2022-11-19 07:39:40,656 INFO L130 BoogieDeclarations]: Found specification of procedure update_tx_timer [2022-11-19 07:39:40,656 INFO L138 BoogieDeclarations]: Found implementation of procedure update_tx_timer [2022-11-19 07:39:40,656 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_bufs [2022-11-19 07:39:40,656 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_bufs [2022-11-19 07:39:40,657 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-19 07:39:40,657 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2022-11-19 07:39:40,657 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2022-11-19 07:39:40,657 INFO L130 BoogieDeclarations]: Found specification of procedure msc_set_vcr [2022-11-19 07:39:40,657 INFO L138 BoogieDeclarations]: Found implementation of procedure msc_set_vcr [2022-11-19 07:39:40,657 INFO L130 BoogieDeclarations]: Found specification of procedure isr_txeom [2022-11-19 07:39:40,658 INFO L138 BoogieDeclarations]: Found implementation of procedure isr_txeom [2022-11-19 07:39:40,658 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-11-19 07:39:40,658 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-11-19 07:39:40,658 INFO L130 BoogieDeclarations]: Found specification of procedure setup_timer_key [2022-11-19 07:39:40,658 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_timer_key [2022-11-19 07:39:40,659 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-11-19 07:39:40,659 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-11-19 07:39:40,662 INFO L130 BoogieDeclarations]: Found specification of procedure rdma_reset [2022-11-19 07:39:40,662 INFO L138 BoogieDeclarations]: Found implementation of procedure rdma_reset [2022-11-19 07:39:40,662 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-19 07:39:40,662 INFO L130 BoogieDeclarations]: Found specification of procedure tty_hung_up_p [2022-11-19 07:39:40,662 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_hung_up_p [2022-11-19 07:39:40,663 INFO L130 BoogieDeclarations]: Found specification of procedure release_resources [2022-11-19 07:39:40,665 INFO L138 BoogieDeclarations]: Found implementation of procedure release_resources [2022-11-19 07:39:40,665 INFO L130 BoogieDeclarations]: Found specification of procedure slgt_cleanup [2022-11-19 07:39:40,665 INFO L138 BoogieDeclarations]: Found implementation of procedure slgt_cleanup [2022-11-19 07:39:40,670 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-19 07:39:40,670 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-11-19 07:39:40,671 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-11-19 07:39:40,671 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-11-19 07:39:40,671 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-11-19 07:39:40,671 INFO L130 BoogieDeclarations]: Found specification of procedure dev_to_hdlc [2022-11-19 07:39:40,671 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_to_hdlc [2022-11-19 07:39:40,671 INFO L130 BoogieDeclarations]: Found specification of procedure tx_set_idle [2022-11-19 07:39:40,671 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_set_idle [2022-11-19 07:39:40,671 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2022-11-19 07:39:40,671 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2022-11-19 07:39:40,672 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-19 07:39:40,672 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-19 07:39:40,672 INFO L130 BoogieDeclarations]: Found specification of procedure enable_loopback [2022-11-19 07:39:40,672 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_loopback [2022-11-19 07:39:40,672 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-11-19 07:39:40,672 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-11-19 07:39:40,672 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-19 07:39:40,672 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-19 07:39:40,672 INFO L130 BoogieDeclarations]: Found specification of procedure tx_load [2022-11-19 07:39:40,672 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_load [2022-11-19 07:39:40,673 INFO L130 BoogieDeclarations]: Found specification of procedure wr_reg32 [2022-11-19 07:39:40,673 INFO L138 BoogieDeclarations]: Found implementation of procedure wr_reg32 [2022-11-19 07:39:40,673 INFO L130 BoogieDeclarations]: Found specification of procedure hdlcdev_tx_done [2022-11-19 07:39:40,673 INFO L138 BoogieDeclarations]: Found implementation of procedure hdlcdev_tx_done [2022-11-19 07:39:40,673 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-11-19 07:39:40,673 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-11-19 07:39:40,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-19 07:39:40,673 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2022-11-19 07:39:40,673 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2022-11-19 07:39:40,674 INFO L130 BoogieDeclarations]: Found specification of procedure program_hw [2022-11-19 07:39:40,674 INFO L138 BoogieDeclarations]: Found implementation of procedure program_hw [2022-11-19 07:39:40,674 INFO L130 BoogieDeclarations]: Found specification of procedure rd_reg32 [2022-11-19 07:39:40,674 INFO L138 BoogieDeclarations]: Found implementation of procedure rd_reg32 [2022-11-19 07:39:40,674 INFO L130 BoogieDeclarations]: Found specification of procedure isr_rxdata [2022-11-19 07:39:40,674 INFO L138 BoogieDeclarations]: Found implementation of procedure isr_rxdata [2022-11-19 07:39:40,674 INFO L130 BoogieDeclarations]: Found specification of procedure reset_port [2022-11-19 07:39:40,674 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_port [2022-11-19 07:39:40,674 INFO L130 BoogieDeclarations]: Found specification of procedure tbuf_bytes [2022-11-19 07:39:40,674 INFO L138 BoogieDeclarations]: Found implementation of procedure tbuf_bytes [2022-11-19 07:39:40,675 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-19 07:39:40,675 INFO L130 BoogieDeclarations]: Found specification of procedure compat_ptr [2022-11-19 07:39:40,675 INFO L138 BoogieDeclarations]: Found implementation of procedure compat_ptr [2022-11-19 07:39:40,675 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2022-11-19 07:39:40,675 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2022-11-19 07:39:40,675 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-19 07:39:40,675 INFO L130 BoogieDeclarations]: Found specification of procedure tty_wakeup [2022-11-19 07:39:40,675 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_wakeup [2022-11-19 07:39:40,675 INFO L130 BoogieDeclarations]: Found specification of procedure flush_buffer [2022-11-19 07:39:40,675 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_buffer [2022-11-19 07:39:40,676 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-19 07:39:40,676 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-19 07:39:40,676 INFO L130 BoogieDeclarations]: Found specification of procedure wr_reg16 [2022-11-19 07:39:40,676 INFO L138 BoogieDeclarations]: Found implementation of procedure wr_reg16 [2022-11-19 07:39:40,676 INFO L130 BoogieDeclarations]: Found specification of procedure tx_release [2022-11-19 07:39:40,676 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_release [2022-11-19 07:39:40,676 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2022-11-19 07:39:40,676 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2022-11-19 07:39:40,676 INFO L130 BoogieDeclarations]: Found specification of procedure rd_reg16 [2022-11-19 07:39:40,677 INFO L138 BoogieDeclarations]: Found implementation of procedure rd_reg16 [2022-11-19 07:39:40,677 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-11-19 07:39:40,677 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-11-19 07:39:40,677 INFO L130 BoogieDeclarations]: Found specification of procedure sync_mode [2022-11-19 07:39:40,677 INFO L138 BoogieDeclarations]: Found implementation of procedure sync_mode [2022-11-19 07:39:40,677 INFO L130 BoogieDeclarations]: Found specification of procedure shutdown [2022-11-19 07:39:40,677 INFO L138 BoogieDeclarations]: Found implementation of procedure shutdown [2022-11-19 07:39:40,677 INFO L130 BoogieDeclarations]: Found specification of procedure send_xchar [2022-11-19 07:39:40,677 INFO L138 BoogieDeclarations]: Found implementation of procedure send_xchar [2022-11-19 07:39:40,677 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-19 07:39:40,678 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-19 07:39:40,678 INFO L130 BoogieDeclarations]: Found specification of procedure hdlc_ioctl [2022-11-19 07:39:40,678 INFO L138 BoogieDeclarations]: Found implementation of procedure hdlc_ioctl [2022-11-19 07:39:40,678 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-11-19 07:39:40,678 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-11-19 07:39:40,678 INFO L130 BoogieDeclarations]: Found specification of procedure free_tmp_rbuf [2022-11-19 07:39:40,678 INFO L138 BoogieDeclarations]: Found implementation of procedure free_tmp_rbuf [2022-11-19 07:39:40,678 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2022-11-19 07:39:40,678 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2022-11-19 07:39:40,679 INFO L130 BoogieDeclarations]: Found specification of procedure tdma_reset [2022-11-19 07:39:40,679 INFO L138 BoogieDeclarations]: Found implementation of procedure tdma_reset [2022-11-19 07:39:40,679 INFO L130 BoogieDeclarations]: Found specification of procedure get_signals [2022-11-19 07:39:40,680 INFO L138 BoogieDeclarations]: Found implementation of procedure get_signals [2022-11-19 07:39:40,680 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-11-19 07:39:40,680 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-11-19 07:39:40,680 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-19 07:39:40,680 INFO L130 BoogieDeclarations]: Found specification of procedure rx_start [2022-11-19 07:39:40,680 INFO L138 BoogieDeclarations]: Found implementation of procedure rx_start [2022-11-19 07:39:40,680 INFO L130 BoogieDeclarations]: Found specification of procedure trace_block [2022-11-19 07:39:40,680 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_block [2022-11-19 07:39:40,680 INFO L130 BoogieDeclarations]: Found specification of procedure wr_reg8 [2022-11-19 07:39:40,681 INFO L138 BoogieDeclarations]: Found implementation of procedure wr_reg8 [2022-11-19 07:39:40,681 INFO L130 BoogieDeclarations]: Found specification of procedure sanity_check [2022-11-19 07:39:40,681 INFO L138 BoogieDeclarations]: Found implementation of procedure sanity_check [2022-11-19 07:39:40,681 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-19 07:39:40,681 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-19 07:39:41,958 INFO L235 CfgBuilder]: Building ICFG [2022-11-19 07:39:41,965 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-19 07:39:42,303 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-11-19 07:39:42,352 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##21: assume !false; [2022-11-19 07:39:42,352 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##20: assume false; [2022-11-19 07:39:42,517 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2022-11-19 07:39:42,517 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2022-11-19 07:39:43,113 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-11-19 07:39:43,305 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##20: assume !false; [2022-11-19 07:39:43,305 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##19: assume false; [2022-11-19 07:39:43,632 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-11-19 07:39:43,635 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-11-19 07:39:43,855 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##61: assume !false; [2022-11-19 07:39:43,855 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##60: assume false; [2022-11-19 07:39:43,856 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##132: assume !false; [2022-11-19 07:39:43,856 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##131: assume false; [2022-11-19 07:39:44,110 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-11-19 07:39:59,465 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##432: assume !false; [2022-11-19 07:39:59,465 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##431: assume false; [2022-11-19 07:39:59,465 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L10940: SUMMARY for call modem_input_wait_#t~ret1376#1.base, modem_input_wait_#t~ret1376#1.offset := get_current(); srcloc: null [2022-11-19 07:39:59,465 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L10940-1: modem_input_wait_~tmp___8~2#1.base, modem_input_wait_~tmp___8~2#1.offset := modem_input_wait_#t~ret1376#1.base, modem_input_wait_#t~ret1376#1.offset;havoc modem_input_wait_#t~ret1376#1.base, modem_input_wait_#t~ret1376#1.offset;modem_input_wait_~__ptr___3~1#1.base, modem_input_wait_~__ptr___3~1#1.offset := modem_input_wait_~tmp___8~2#1.base, modem_input_wait_~tmp___8~2#1.offset; [2022-11-19 07:39:59,465 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L10882: SUMMARY for call modem_input_wait_#t~ret1345#1.base, modem_input_wait_#t~ret1345#1.offset := get_current(); srcloc: null [2022-11-19 07:39:59,466 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L10882-1: modem_input_wait_~tmp___1~21#1.base, modem_input_wait_~tmp___1~21#1.offset := modem_input_wait_#t~ret1345#1.base, modem_input_wait_#t~ret1345#1.offset;havoc modem_input_wait_#t~ret1345#1.base, modem_input_wait_#t~ret1345#1.offset;modem_input_wait_~__ptr~3#1.base, modem_input_wait_~__ptr~3#1.offset := modem_input_wait_~tmp___1~21#1.base, modem_input_wait_~tmp___1~21#1.offset; [2022-11-19 07:39:59,466 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##269: assume !false; [2022-11-19 07:39:59,466 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##268: assume false; [2022-11-19 07:39:59,466 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##276: assume false; [2022-11-19 07:39:59,466 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##277: assume !false; [2022-11-19 07:39:59,466 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##207: assume false; [2022-11-19 07:39:59,466 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##208: assume !false; [2022-11-19 07:39:59,466 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##301: assume !false; [2022-11-19 07:39:59,466 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##300: assume false; [2022-11-19 07:39:59,466 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L11037-1: modem_input_wait_~tmp___12~1#1.base, modem_input_wait_~tmp___12~1#1.offset := modem_input_wait_#t~ret1419#1.base, modem_input_wait_#t~ret1419#1.offset;havoc modem_input_wait_#t~ret1419#1.base, modem_input_wait_#t~ret1419#1.offset;modem_input_wait_~__ptr___7~1#1.base, modem_input_wait_~__ptr___7~1#1.offset := modem_input_wait_~tmp___12~1#1.base, modem_input_wait_~tmp___12~1#1.offset; [2022-11-19 07:39:59,467 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L11037: SUMMARY for call modem_input_wait_#t~ret1419#1.base, modem_input_wait_#t~ret1419#1.offset := get_current(); srcloc: null [2022-11-19 07:39:59,467 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##313: assume !false; [2022-11-19 07:39:59,467 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##312: assume false; [2022-11-19 07:39:59,467 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L10655-1: remove_cond_wait_~tmp~91#1.base, remove_cond_wait_~tmp~91#1.offset := remove_cond_wait_#t~ret1280#1.base, remove_cond_wait_#t~ret1280#1.offset;havoc remove_cond_wait_#t~ret1280#1.base, remove_cond_wait_#t~ret1280#1.offset;remove_cond_wait_~__ptr~2#1.base, remove_cond_wait_~__ptr~2#1.offset := remove_cond_wait_~tmp~91#1.base, remove_cond_wait_~tmp~91#1.offset; [2022-11-19 07:39:59,467 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L10655: SUMMARY for call remove_cond_wait_#t~ret1280#1.base, remove_cond_wait_#t~ret1280#1.offset := get_current(); srcloc: null [2022-11-19 07:39:59,467 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L10195: SUMMARY for call wait_mgsl_event_#t~ret1208#1.base, wait_mgsl_event_#t~ret1208#1.offset := get_current(); srcloc: null [2022-11-19 07:39:59,468 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L10195-1: wait_mgsl_event_~tmp___26~0#1.base, wait_mgsl_event_~tmp___26~0#1.offset := wait_mgsl_event_#t~ret1208#1.base, wait_mgsl_event_#t~ret1208#1.offset;havoc wait_mgsl_event_#t~ret1208#1.base, wait_mgsl_event_#t~ret1208#1.offset;wait_mgsl_event_~__ptr___7~0#1.base, wait_mgsl_event_~__ptr___7~0#1.offset := wait_mgsl_event_~tmp___26~0#1.base, wait_mgsl_event_~tmp___26~0#1.offset; [2022-11-19 07:39:59,468 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L10592: SUMMARY for call add_cond_wait_#t~ret1275#1.base, add_cond_wait_#t~ret1275#1.offset := get_current(); srcloc: null [2022-11-19 07:39:59,468 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##82: assume !false; [2022-11-19 07:39:59,468 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##81: assume false; [2022-11-19 07:39:59,468 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L10592-1: add_cond_wait_~tmp~90#1.base, add_cond_wait_~tmp~90#1.offset := add_cond_wait_#t~ret1275#1.base, add_cond_wait_#t~ret1275#1.offset;havoc add_cond_wait_#t~ret1275#1.base, add_cond_wait_#t~ret1275#1.offset;add_cond_wait_~__ptr~1#1.base, add_cond_wait_~__ptr~1#1.offset := add_cond_wait_~tmp~90#1.base, add_cond_wait_~tmp~90#1.offset; [2022-11-19 07:39:59,468 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L10064: SUMMARY for call wait_mgsl_event_#t~ret1131#1.base, wait_mgsl_event_#t~ret1131#1.offset := get_current(); srcloc: null [2022-11-19 07:39:59,468 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L10064-1: wait_mgsl_event_~tmp___13~0#1.base, wait_mgsl_event_~tmp___13~0#1.offset := wait_mgsl_event_#t~ret1131#1.base, wait_mgsl_event_#t~ret1131#1.offset;havoc wait_mgsl_event_#t~ret1131#1.base, wait_mgsl_event_#t~ret1131#1.offset;wait_mgsl_event_~__ptr___3~0#1.base, wait_mgsl_event_~__ptr___3~0#1.offset := wait_mgsl_event_~tmp___13~0#1.base, wait_mgsl_event_~tmp___13~0#1.offset; [2022-11-19 07:39:59,468 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##75: assume !false; [2022-11-19 07:39:59,468 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##74: assume false; [2022-11-19 07:39:59,468 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##175: assume !false; [2022-11-19 07:39:59,469 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##174: assume false; [2022-11-19 07:39:59,469 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##40: assume !false; [2022-11-19 07:39:59,469 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##39: assume false; [2022-11-19 07:39:59,469 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L10004: SUMMARY for call wait_mgsl_event_#t~ret1092#1.base, wait_mgsl_event_#t~ret1092#1.offset := get_current(); srcloc: null [2022-11-19 07:39:59,469 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L10004-1: wait_mgsl_event_~tmp___6~1#1.base, wait_mgsl_event_~tmp___6~1#1.offset := wait_mgsl_event_#t~ret1092#1.base, wait_mgsl_event_#t~ret1092#1.offset;havoc wait_mgsl_event_#t~ret1092#1.base, wait_mgsl_event_#t~ret1092#1.offset;wait_mgsl_event_~__ptr~0#1.base, wait_mgsl_event_~__ptr~0#1.offset := wait_mgsl_event_~tmp___6~1#1.base, wait_mgsl_event_~tmp___6~1#1.offset; [2022-11-19 07:39:59,469 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##151: assume !false; [2022-11-19 07:39:59,469 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##150: assume false; [2022-11-19 07:39:59,469 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##162: assume false; [2022-11-19 07:39:59,469 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##163: assume !false; [2022-11-19 07:39:59,469 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##168: assume !false; [2022-11-19 07:39:59,469 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##167: assume false; [2022-11-19 07:39:59,469 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##339: assume false; [2022-11-19 07:39:59,470 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##340: assume !false; [2022-11-19 07:39:59,470 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##363: assume !false; [2022-11-19 07:39:59,470 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##362: assume false; [2022-11-19 07:39:59,724 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-11-19 07:39:59,728 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-11-19 07:39:59,738 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-11-19 07:39:59,738 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-11-19 07:39:59,739 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-11-19 07:40:11,479 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##289: assume !false;call ULTIMATE.dealloc(hdlcdev_ioctl_~#new_line~0#1.base, hdlcdev_ioctl_~#new_line~0#1.offset);havoc hdlcdev_ioctl_~#new_line~0#1.base, hdlcdev_ioctl_~#new_line~0#1.offset; [2022-11-19 07:40:11,479 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##288: assume false; [2022-11-19 07:40:11,479 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##306: assume false; [2022-11-19 07:40:11,479 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##307: assume !false; [2022-11-19 07:40:11,480 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L11392: SUMMARY for call block_til_ready_#t~ret1479#1.base, block_til_ready_#t~ret1479#1.offset := get_current(); srcloc: null [2022-11-19 07:40:11,480 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L11392-1: block_til_ready_~tmp___9~2#1.base, block_til_ready_~tmp___9~2#1.offset := block_til_ready_#t~ret1479#1.base, block_til_ready_#t~ret1479#1.offset;havoc block_til_ready_#t~ret1479#1.base, block_til_ready_#t~ret1479#1.offset;block_til_ready_~__ptr___3~2#1.base, block_til_ready_~__ptr___3~2#1.offset := block_til_ready_~tmp___9~2#1.base, block_til_ready_~tmp___9~2#1.offset; [2022-11-19 07:40:11,480 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##328: assume false; [2022-11-19 07:40:11,480 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##329: assume !false; [2022-11-19 07:40:11,480 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##412: assume !false; [2022-11-19 07:40:11,480 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##411: assume false; [2022-11-19 07:40:11,480 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##436: assume !false; [2022-11-19 07:40:11,481 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##435: assume false; [2022-11-19 07:40:11,481 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L11302-1: block_til_ready_~tmp___2~14#1.base, block_til_ready_~tmp___2~14#1.offset := block_til_ready_#t~ret1465#1.base, block_til_ready_#t~ret1465#1.offset;havoc block_til_ready_#t~ret1465#1.base, block_til_ready_#t~ret1465#1.offset;block_til_ready_~__ptr~4#1.base, block_til_ready_~__ptr~4#1.offset := block_til_ready_~tmp___2~14#1.base, block_til_ready_~tmp___2~14#1.offset; [2022-11-19 07:40:11,481 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L11302: SUMMARY for call block_til_ready_#t~ret1465#1.base, block_til_ready_#t~ret1465#1.offset := get_current(); srcloc: null [2022-11-19 07:40:11,481 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##78: assume !false; [2022-11-19 07:40:11,481 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##77: assume false; [2022-11-19 07:40:11,481 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##133: assume !false; [2022-11-19 07:40:11,482 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##132: assume false; [2022-11-19 07:40:11,779 INFO L276 CfgBuilder]: Performing block encoding [2022-11-19 07:40:15,370 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-19 07:40:15,371 INFO L300 CfgBuilder]: Removed 17 assume(true) statements. [2022-11-19 07:40:15,378 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:40:15 BoogieIcfgContainer [2022-11-19 07:40:15,378 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-19 07:40:15,383 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-19 07:40:15,383 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-19 07:40:15,388 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-19 07:40:15,388 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:39:35" (1/3) ... [2022-11-19 07:40:15,389 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d307644 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:40:15, skipping insertion in model container [2022-11-19 07:40:15,389 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:39:39" (2/3) ... [2022-11-19 07:40:15,392 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d307644 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:40:15, skipping insertion in model container [2022-11-19 07:40:15,392 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:40:15" (3/3) ... [2022-11-19 07:40:15,393 INFO L112 eAbstractionObserver]: Analyzing ICFG module_get_put-drivers-tty-synclink_gt.ko.cil.out.i [2022-11-19 07:40:15,414 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-19 07:40:15,427 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-19 07:40:15,554 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-19 07:40:15,560 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@38ba50f0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-19 07:40:15,560 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-19 07:40:15,572 INFO L276 IsEmpty]: Start isEmpty. Operand has 1955 states, 1238 states have (on average 1.4030694668820678) internal successors, (1737), 1313 states have internal predecessors, (1737), 627 states have call successors, (627), 98 states have call predecessors, (627), 98 states have return successors, (627), 607 states have call predecessors, (627), 627 states have call successors, (627) [2022-11-19 07:40:15,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-19 07:40:15,580 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:40:15,581 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:40:15,581 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:40:15,585 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:40:15,585 INFO L85 PathProgramCache]: Analyzing trace with hash -1741352462, now seen corresponding path program 1 times [2022-11-19 07:40:15,594 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:40:15,594 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [425768583] [2022-11-19 07:40:15,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:40:15,595 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:40:16,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:40:16,330 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 07:40:16,331 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:40:16,331 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [425768583] [2022-11-19 07:40:16,332 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [425768583] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:40:16,333 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:40:16,333 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 07:40:16,335 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1358187991] [2022-11-19 07:40:16,335 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:40:16,340 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 07:40:16,340 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:40:16,376 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 07:40:16,377 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 07:40:16,384 INFO L87 Difference]: Start difference. First operand has 1955 states, 1238 states have (on average 1.4030694668820678) internal successors, (1737), 1313 states have internal predecessors, (1737), 627 states have call successors, (627), 98 states have call predecessors, (627), 98 states have return successors, (627), 607 states have call predecessors, (627), 627 states have call successors, (627) Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-19 07:40:18,491 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 [] [2022-11-19 07:40:20,625 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.73s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:40:23,574 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-19 07:40:26,723 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:40:28,574 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:40:30,833 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:40:30,833 INFO L93 Difference]: Finished difference Result 5792 states and 8899 transitions. [2022-11-19 07:40:30,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 07:40:30,836 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 12 [2022-11-19 07:40:30,836 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:40:30,880 INFO L225 Difference]: With dead ends: 5792 [2022-11-19 07:40:30,880 INFO L226 Difference]: Without dead ends: 3790 [2022-11-19 07:40:30,894 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 07:40:30,897 INFO L413 NwaCegarLoop]: 3819 mSDtfsCounter, 2868 mSDsluCounter, 2575 mSDsCounter, 0 mSdLazyCounter, 898 mSolverCounterSat, 2 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2870 SdHoareTripleChecker+Valid, 6394 SdHoareTripleChecker+Invalid, 903 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 898 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.0s IncrementalHoareTripleChecker+Time [2022-11-19 07:40:30,898 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2870 Valid, 6394 Invalid, 903 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 898 Invalid, 3 Unknown, 0 Unchecked, 14.0s Time] [2022-11-19 07:40:30,921 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3790 states. [2022-11-19 07:40:31,201 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3790 to 3785. [2022-11-19 07:40:31,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3785 states, 2382 states have (on average 1.3950461796809404) internal successors, (3323), 2543 states have internal predecessors, (3323), 1213 states have call successors, (1213), 190 states have call predecessors, (1213), 189 states have return successors, (1213), 1170 states have call predecessors, (1213), 1211 states have call successors, (1213) [2022-11-19 07:40:31,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3785 states to 3785 states and 5749 transitions. [2022-11-19 07:40:31,251 INFO L78 Accepts]: Start accepts. Automaton has 3785 states and 5749 transitions. Word has length 12 [2022-11-19 07:40:31,252 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:40:31,252 INFO L495 AbstractCegarLoop]: Abstraction has 3785 states and 5749 transitions. [2022-11-19 07:40:31,254 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-19 07:40:31,254 INFO L276 IsEmpty]: Start isEmpty. Operand 3785 states and 5749 transitions. [2022-11-19 07:40:31,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-19 07:40:31,256 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:40:31,256 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:40:31,256 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-19 07:40:31,256 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:40:31,257 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:40:31,257 INFO L85 PathProgramCache]: Analyzing trace with hash -424610237, now seen corresponding path program 1 times [2022-11-19 07:40:31,258 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:40:31,258 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [567359696] [2022-11-19 07:40:31,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:40:31,259 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:40:31,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:40:31,815 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 07:40:31,816 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:40:31,816 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [567359696] [2022-11-19 07:40:31,816 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [567359696] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:40:31,817 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:40:31,817 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-19 07:40:31,817 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [790437106] [2022-11-19 07:40:31,817 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:40:31,818 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-19 07:40:31,818 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:40:31,819 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-19 07:40:31,819 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-19 07:40:31,820 INFO L87 Difference]: Start difference. First operand 3785 states and 5749 transitions. Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-19 07:40:33,885 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:40:37,094 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-19 07:40:40,598 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:40:49,119 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:40:49,976 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:40:49,976 INFO L93 Difference]: Finished difference Result 5338 states and 8300 transitions. [2022-11-19 07:40:49,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-19 07:40:49,978 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 14 [2022-11-19 07:40:49,978 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:40:50,024 INFO L225 Difference]: With dead ends: 5338 [2022-11-19 07:40:50,025 INFO L226 Difference]: Without dead ends: 5333 [2022-11-19 07:40:50,031 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-19 07:40:50,038 INFO L413 NwaCegarLoop]: 3897 mSDtfsCounter, 1522 mSDsluCounter, 5905 mSDsCounter, 0 mSdLazyCounter, 1282 mSolverCounterSat, 539 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1791 SdHoareTripleChecker+Valid, 9802 SdHoareTripleChecker+Invalid, 1824 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 539 IncrementalHoareTripleChecker+Valid, 1282 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.7s IncrementalHoareTripleChecker+Time [2022-11-19 07:40:50,040 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1791 Valid, 9802 Invalid, 1824 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [539 Valid, 1282 Invalid, 3 Unknown, 0 Unchecked, 17.7s Time] [2022-11-19 07:40:50,051 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5333 states. [2022-11-19 07:40:50,286 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5333 to 3787. [2022-11-19 07:40:50,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3787 states, 2384 states have (on average 1.394714765100671) internal successors, (3325), 2545 states have internal predecessors, (3325), 1213 states have call successors, (1213), 190 states have call predecessors, (1213), 189 states have return successors, (1213), 1170 states have call predecessors, (1213), 1211 states have call successors, (1213) [2022-11-19 07:40:50,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3787 states to 3787 states and 5751 transitions. [2022-11-19 07:40:50,331 INFO L78 Accepts]: Start accepts. Automaton has 3787 states and 5751 transitions. Word has length 14 [2022-11-19 07:40:50,331 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:40:50,331 INFO L495 AbstractCegarLoop]: Abstraction has 3787 states and 5751 transitions. [2022-11-19 07:40:50,332 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-19 07:40:50,332 INFO L276 IsEmpty]: Start isEmpty. Operand 3787 states and 5751 transitions. [2022-11-19 07:40:50,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-19 07:40:50,344 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:40:50,344 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:40:50,344 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-19 07:40:50,345 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:40:50,351 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:40:50,356 INFO L85 PathProgramCache]: Analyzing trace with hash -479949194, now seen corresponding path program 1 times [2022-11-19 07:40:50,356 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:40:50,357 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [921201810] [2022-11-19 07:40:50,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:40:50,357 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:40:50,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:40:50,796 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 07:40:50,796 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:40:50,796 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [921201810] [2022-11-19 07:40:50,797 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [921201810] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:40:50,797 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:40:50,797 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-19 07:40:50,797 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1615671436] [2022-11-19 07:40:50,798 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:40:50,798 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-19 07:40:50,798 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:40:50,799 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-19 07:40:50,799 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-19 07:40:50,800 INFO L87 Difference]: Start difference. First operand 3787 states and 5751 transitions. Second operand has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-19 07:40:52,891 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:40:57,678 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-19 07:40:59,800 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-19 07:41:03,788 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:41:07,023 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 [] [2022-11-19 07:41:15,930 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:41:15,930 INFO L93 Difference]: Finished difference Result 9547 states and 14510 transitions. [2022-11-19 07:41:15,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-19 07:41:15,931 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 22 [2022-11-19 07:41:15,931 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:41:15,979 INFO L225 Difference]: With dead ends: 9547 [2022-11-19 07:41:15,979 INFO L226 Difference]: Without dead ends: 7605 [2022-11-19 07:41:15,991 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-19 07:41:15,992 INFO L413 NwaCegarLoop]: 5874 mSDtfsCounter, 5877 mSDsluCounter, 4140 mSDsCounter, 0 mSdLazyCounter, 4088 mSolverCounterSat, 6 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5881 SdHoareTripleChecker+Valid, 10014 SdHoareTripleChecker+Invalid, 4099 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 4088 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 24.3s IncrementalHoareTripleChecker+Time [2022-11-19 07:41:15,993 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5881 Valid, 10014 Invalid, 4099 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [6 Valid, 4088 Invalid, 5 Unknown, 0 Unchecked, 24.3s Time] [2022-11-19 07:41:16,002 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7605 states. [2022-11-19 07:41:16,643 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7605 to 7593. [2022-11-19 07:41:16,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7593 states, 4778 states have (on average 1.3955629970699037) internal successors, (6668), 5098 states have internal predecessors, (6668), 2437 states have call successors, (2437), 379 states have call predecessors, (2437), 377 states have return successors, (2442), 2350 states have call predecessors, (2442), 2435 states have call successors, (2442) [2022-11-19 07:41:16,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7593 states to 7593 states and 11547 transitions. [2022-11-19 07:41:16,709 INFO L78 Accepts]: Start accepts. Automaton has 7593 states and 11547 transitions. Word has length 22 [2022-11-19 07:41:16,709 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:41:16,709 INFO L495 AbstractCegarLoop]: Abstraction has 7593 states and 11547 transitions. [2022-11-19 07:41:16,710 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-19 07:41:16,710 INFO L276 IsEmpty]: Start isEmpty. Operand 7593 states and 11547 transitions. [2022-11-19 07:41:16,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-11-19 07:41:16,715 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:41:16,715 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:41:16,715 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-19 07:41:16,715 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:41:16,716 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:41:16,716 INFO L85 PathProgramCache]: Analyzing trace with hash -739493148, now seen corresponding path program 1 times [2022-11-19 07:41:16,716 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:41:16,720 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1345857310] [2022-11-19 07:41:16,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:41:16,720 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:41:16,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:41:17,044 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 07:41:17,045 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:41:17,045 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1345857310] [2022-11-19 07:41:17,045 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1345857310] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:41:17,045 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:41:17,046 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 07:41:17,046 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [419639955] [2022-11-19 07:41:17,046 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:41:17,046 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 07:41:17,046 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:41:17,047 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 07:41:17,047 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 07:41:17,047 INFO L87 Difference]: Start difference. First operand 7593 states and 11547 transitions. Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-19 07:41:19,105 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:41:22,523 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-19 07:41:24,074 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.43s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:41:26,784 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:41:28,580 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:41:30,888 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:41:30,888 INFO L93 Difference]: Finished difference Result 17107 states and 26009 transitions. [2022-11-19 07:41:30,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 07:41:30,889 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 25 [2022-11-19 07:41:30,889 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:41:30,959 INFO L225 Difference]: With dead ends: 17107 [2022-11-19 07:41:30,959 INFO L226 Difference]: Without dead ends: 11359 [2022-11-19 07:41:30,989 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 07:41:30,990 INFO L413 NwaCegarLoop]: 3359 mSDtfsCounter, 2870 mSDsluCounter, 2563 mSDsCounter, 0 mSdLazyCounter, 795 mSolverCounterSat, 1 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2872 SdHoareTripleChecker+Valid, 5922 SdHoareTripleChecker+Invalid, 799 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 795 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.1s IncrementalHoareTripleChecker+Time [2022-11-19 07:41:30,990 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2872 Valid, 5922 Invalid, 799 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 795 Invalid, 3 Unknown, 0 Unchecked, 13.1s Time] [2022-11-19 07:41:31,003 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11359 states. [2022-11-19 07:41:32,178 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11359 to 11349. [2022-11-19 07:41:32,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11349 states, 7142 states have (on average 1.394707364883786) internal successors, (9961), 7624 states have internal predecessors, (9961), 3636 states have call successors, (3636), 572 states have call predecessors, (3636), 570 states have return successors, (3645), 3507 states have call predecessors, (3645), 3634 states have call successors, (3645) [2022-11-19 07:41:32,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11349 states to 11349 states and 17242 transitions. [2022-11-19 07:41:32,243 INFO L78 Accepts]: Start accepts. Automaton has 11349 states and 17242 transitions. Word has length 25 [2022-11-19 07:41:32,243 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:41:32,244 INFO L495 AbstractCegarLoop]: Abstraction has 11349 states and 17242 transitions. [2022-11-19 07:41:32,244 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-19 07:41:32,244 INFO L276 IsEmpty]: Start isEmpty. Operand 11349 states and 17242 transitions. [2022-11-19 07:41:32,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-11-19 07:41:32,251 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:41:32,252 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:41:32,252 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-19 07:41:32,252 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:41:32,253 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:41:32,253 INFO L85 PathProgramCache]: Analyzing trace with hash 1092933151, now seen corresponding path program 1 times [2022-11-19 07:41:32,253 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:41:32,254 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2033845389] [2022-11-19 07:41:32,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:41:32,255 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:41:32,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:41:32,483 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 07:41:32,483 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:41:32,483 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2033845389] [2022-11-19 07:41:32,483 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2033845389] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:41:32,484 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:41:32,484 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-19 07:41:32,484 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1045536669] [2022-11-19 07:41:32,484 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:41:32,484 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-19 07:41:32,485 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:41:32,485 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-19 07:41:32,485 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-19 07:41:32,485 INFO L87 Difference]: Start difference. First operand 11349 states and 17242 transitions. Second operand has 4 states, 4 states have (on average 7.25) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-19 07:41:34,549 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:41:37,339 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:41:38,617 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:41:40,969 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-19 07:41:43,796 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:41:45,923 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.37s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:41:48,442 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 [] [2022-11-19 07:41:50,016 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:41:50,016 INFO L93 Difference]: Finished difference Result 15296 states and 23208 transitions. [2022-11-19 07:41:50,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-19 07:41:50,017 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.25) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 38 [2022-11-19 07:41:50,017 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:41:50,061 INFO L225 Difference]: With dead ends: 15296 [2022-11-19 07:41:50,061 INFO L226 Difference]: Without dead ends: 9518 [2022-11-19 07:41:50,086 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-19 07:41:50,087 INFO L413 NwaCegarLoop]: 2578 mSDtfsCounter, 1 mSDsluCounter, 5153 mSDsCounter, 0 mSdLazyCounter, 1140 mSolverCounterSat, 0 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 7731 SdHoareTripleChecker+Invalid, 1145 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1140 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.0s IncrementalHoareTripleChecker+Time [2022-11-19 07:41:50,087 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 7731 Invalid, 1145 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1140 Invalid, 5 Unknown, 0 Unchecked, 17.0s Time] [2022-11-19 07:41:50,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9518 states. [2022-11-19 07:41:50,759 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9518 to 9518. [2022-11-19 07:41:50,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9518 states, 5988 states have (on average 1.3942885771543085) internal successors, (8349), 6392 states have internal predecessors, (8349), 3050 states have call successors, (3050), 481 states have call predecessors, (3050), 479 states have return successors, (3057), 2942 states have call predecessors, (3057), 3048 states have call successors, (3057) [2022-11-19 07:41:50,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9518 states to 9518 states and 14456 transitions. [2022-11-19 07:41:50,819 INFO L78 Accepts]: Start accepts. Automaton has 9518 states and 14456 transitions. Word has length 38 [2022-11-19 07:41:50,819 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:41:50,819 INFO L495 AbstractCegarLoop]: Abstraction has 9518 states and 14456 transitions. [2022-11-19 07:41:50,819 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.25) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-19 07:41:50,819 INFO L276 IsEmpty]: Start isEmpty. Operand 9518 states and 14456 transitions. [2022-11-19 07:41:50,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-11-19 07:41:50,826 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:41:50,827 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:41:50,827 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-19 07:41:50,827 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:41:50,827 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:41:50,828 INFO L85 PathProgramCache]: Analyzing trace with hash 1062979480, now seen corresponding path program 1 times [2022-11-19 07:41:50,828 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:41:50,828 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1703458180] [2022-11-19 07:41:50,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:41:50,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:41:51,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:41:52,104 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 07:41:52,104 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:41:52,104 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1703458180] [2022-11-19 07:41:52,105 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1703458180] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:41:52,105 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:41:52,105 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-19 07:41:52,105 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [741557405] [2022-11-19 07:41:52,106 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:41:52,106 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-19 07:41:52,106 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:41:52,107 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-19 07:41:52,107 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-19 07:41:52,107 INFO L87 Difference]: Start difference. First operand 9518 states and 14456 transitions. Second operand has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 3 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-11-19 07:41:54,172 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:41:57,463 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-19 07:42:01,080 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:42:04,646 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 [] [2022-11-19 07:42:09,820 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:42:09,820 INFO L93 Difference]: Finished difference Result 24883 states and 38103 transitions. [2022-11-19 07:42:09,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-19 07:42:09,821 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 3 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 44 [2022-11-19 07:42:09,821 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:42:09,920 INFO L225 Difference]: With dead ends: 24883 [2022-11-19 07:42:09,920 INFO L226 Difference]: Without dead ends: 19039 [2022-11-19 07:42:09,953 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-19 07:42:09,954 INFO L413 NwaCegarLoop]: 3630 mSDtfsCounter, 5256 mSDsluCounter, 2845 mSDsCounter, 0 mSdLazyCounter, 1482 mSolverCounterSat, 1216 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5524 SdHoareTripleChecker+Valid, 6475 SdHoareTripleChecker+Invalid, 2702 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1216 IncrementalHoareTripleChecker+Valid, 1482 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.4s IncrementalHoareTripleChecker+Time [2022-11-19 07:42:09,955 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5524 Valid, 6475 Invalid, 2702 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1216 Valid, 1482 Invalid, 4 Unknown, 0 Unchecked, 16.4s Time] [2022-11-19 07:42:09,976 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19039 states. [2022-11-19 07:42:11,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19039 to 16848. [2022-11-19 07:42:11,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16848 states, 10604 states have (on average 1.3952282157676348) internal successors, (14795), 11322 states have internal predecessors, (14795), 5396 states have call successors, (5396), 849 states have call predecessors, (5396), 847 states have return successors, (5411), 5202 states have call predecessors, (5411), 5394 states have call successors, (5411) [2022-11-19 07:42:11,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16848 states to 16848 states and 25602 transitions. [2022-11-19 07:42:11,705 INFO L78 Accepts]: Start accepts. Automaton has 16848 states and 25602 transitions. Word has length 44 [2022-11-19 07:42:11,708 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:42:11,708 INFO L495 AbstractCegarLoop]: Abstraction has 16848 states and 25602 transitions. [2022-11-19 07:42:11,708 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 3 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-11-19 07:42:11,709 INFO L276 IsEmpty]: Start isEmpty. Operand 16848 states and 25602 transitions. [2022-11-19 07:42:11,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-11-19 07:42:11,714 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:42:11,714 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:42:11,714 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-19 07:42:11,714 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:42:11,715 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:42:11,715 INFO L85 PathProgramCache]: Analyzing trace with hash -2028995994, now seen corresponding path program 1 times [2022-11-19 07:42:11,715 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:42:11,715 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2050996328] [2022-11-19 07:42:11,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:42:11,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:42:12,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-19 07:42:12,085 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-19 07:42:12,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-19 07:42:12,709 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2022-11-19 07:42:12,709 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-19 07:42:12,711 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-19 07:42:12,712 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-19 07:42:12,715 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:42:12,719 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-19 07:42:12,863 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 07:42:12 BoogieIcfgContainer [2022-11-19 07:42:12,863 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-19 07:42:12,864 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-19 07:42:12,864 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-19 07:42:12,864 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-19 07:42:12,865 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:40:15" (3/4) ... [2022-11-19 07:42:12,868 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-19 07:42:12,868 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-19 07:42:12,868 INFO L158 Benchmark]: Toolchain (without parser) took 157217.02ms. Allocated memory was 119.5MB in the beginning and 1.2GB in the end (delta: 1.1GB). Free memory was 89.6MB in the beginning and 624.3MB in the end (delta: -534.7MB). Peak memory consumption was 566.0MB. Max. memory is 16.1GB. [2022-11-19 07:42:12,869 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 119.5MB. Free memory is still 99.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-19 07:42:12,869 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4078.42ms. Allocated memory was 119.5MB in the beginning and 228.6MB in the end (delta: 109.1MB). Free memory was 89.3MB in the beginning and 126.0MB in the end (delta: -36.7MB). Peak memory consumption was 141.5MB. Max. memory is 16.1GB. [2022-11-19 07:42:12,869 INFO L158 Benchmark]: Boogie Procedure Inliner took 382.37ms. Allocated memory is still 228.6MB. Free memory was 126.0MB in the beginning and 73.6MB in the end (delta: 52.4MB). Peak memory consumption was 52.4MB. Max. memory is 16.1GB. [2022-11-19 07:42:12,870 INFO L158 Benchmark]: Boogie Preprocessor took 436.69ms. Allocated memory is still 228.6MB. Free memory was 73.6MB in the beginning and 88.5MB in the end (delta: -14.9MB). Peak memory consumption was 37.6MB. Max. memory is 16.1GB. [2022-11-19 07:42:12,871 INFO L158 Benchmark]: RCFGBuilder took 34826.03ms. Allocated memory was 228.6MB in the beginning and 1.0GB in the end (delta: 788.5MB). Free memory was 88.5MB in the beginning and 316.3MB in the end (delta: -227.9MB). Peak memory consumption was 559.6MB. Max. memory is 16.1GB. [2022-11-19 07:42:12,871 INFO L158 Benchmark]: TraceAbstraction took 117480.22ms. Allocated memory was 1.0GB in the beginning and 1.2GB in the end (delta: 203.4MB). Free memory was 315.3MB in the beginning and 625.3MB in the end (delta: -310.0MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-19 07:42:12,872 INFO L158 Benchmark]: Witness Printer took 4.01ms. Allocated memory is still 1.2GB. Free memory was 625.3MB in the beginning and 624.3MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-19 07:42:12,873 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 119.5MB. Free memory is still 99.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 4078.42ms. Allocated memory was 119.5MB in the beginning and 228.6MB in the end (delta: 109.1MB). Free memory was 89.3MB in the beginning and 126.0MB in the end (delta: -36.7MB). Peak memory consumption was 141.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 382.37ms. Allocated memory is still 228.6MB. Free memory was 126.0MB in the beginning and 73.6MB in the end (delta: 52.4MB). Peak memory consumption was 52.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 436.69ms. Allocated memory is still 228.6MB. Free memory was 73.6MB in the beginning and 88.5MB in the end (delta: -14.9MB). Peak memory consumption was 37.6MB. Max. memory is 16.1GB. * RCFGBuilder took 34826.03ms. Allocated memory was 228.6MB in the beginning and 1.0GB in the end (delta: 788.5MB). Free memory was 88.5MB in the beginning and 316.3MB in the end (delta: -227.9MB). Peak memory consumption was 559.6MB. Max. memory is 16.1GB. * TraceAbstraction took 117480.22ms. Allocated memory was 1.0GB in the beginning and 1.2GB in the end (delta: 203.4MB). Free memory was 315.3MB in the beginning and 625.3MB in the end (delta: -310.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.01ms. Allocated memory is still 1.2GB. Free memory was 625.3MB in the beginning and 624.3MB 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: 14623]: 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 12224. Possible FailurePath: [L7413-L7440] static struct file_operations const synclink_gt_proc_fops = {& __this_module, & seq_lseek, & seq_read, (ssize_t (*)(struct file * , char const * , size_t , loff_t * ))0, (ssize_t (*)(struct kiocb * , struct iovec const * , unsigned long , loff_t ))0, (ssize_t (*)(struct kiocb * , struct iovec const * , unsigned long , loff_t ))0, (int (*)(struct file * , void * , int (*)(void * , char const * , int , loff_t , u64 , unsigned int ) ))0, (unsigned int (*)(struct file * , struct poll_table_struct * ))0, (long (*)(struct file * , unsigned int , unsigned long ))0, (long (*)(struct file * , unsigned int , unsigned long ))0, (int (*)(struct file * , struct vm_area_struct * ))0, & synclink_gt_proc_open, (int (*)(struct file * , fl_owner_t ))0, & single_release, (int (*)(struct file * , int ))0, (int (*)(struct kiocb * , int ))0, (int (*)(int , struct file * , int ))0, (int (*)(struct file * , int , struct file_lock * ))0, (ssize_t (*)(struct file * , struct page * , int , size_t , loff_t * , int ))0, (unsigned long (*)(struct file * , unsigned long , unsigned long , unsigned long , unsigned long ))0, (int (*)(int ))0, (int (*)(struct file * , int , struct file_lock * ))0, (ssize_t (*)(struct pipe_inode_info * , struct file * , loff_t * , size_t , unsigned int ))0, (ssize_t (*)(struct file * , loff_t * , struct pipe_inode_info * , size_t , unsigned int ))0, (int (*)(struct file * , long , struct file_lock ** ))0, (long (*)(struct file * , int , loff_t , loff_t ))0}; [L5748] static char *tty_driver_name = (char *)"synclink_gt"; [L5776] static int slgt_device_count ; [L14221] int LDV_IN_INTERRUPT ; [L5775] static struct slgt_info *slgt_device_list ; [L5807-L5810] static MGSL_PARAMS default_params = {2UL, (unsigned char)0, (unsigned short)1, (unsigned char)3, 0UL, (unsigned char)255, (unsigned short)1, (unsigned char)0, (unsigned char)0, 9600UL, (unsigned char)8, (unsigned char)1, (unsigned char)0}; [L5778] static int debug_level ; [L11815-L11816] static struct tty_port_operations const slgt_port_ops = {& carrier_raised, & dtr_rts, (void (*)(struct tty_port * ))0, (void (*)(struct tty_port * ))0, (int (*)(struct tty_port * , struct tty_struct * ))0, (void (*)(struct tty_port * ))0}; [L5777] static int ttymajor ; [L5747] static char *driver_name = (char *)"SyncLink GT"; [L5749] static char *tty_dev_prefix = (char *)"ttySLG"; [L5758-L5773] static struct pci_driver pci_driver = {{(struct list_head *)0, (struct list_head *)0}, "synclink_gt", (struct pci_device_id const *)(& pci_table), & init_one, & remove_one, (int (*)(struct pci_dev * , pm_message_t ))0, (int (*)(struct pci_dev * , pm_message_t ))0, (int (*)(struct pci_dev * ))0, (int (*)(struct pci_dev * ))0, (void (*)(struct pci_dev * ))0, (struct pci_error_handlers *)0, {(char const *)0, (struct bus_type *)0, (struct module *)0, (char const *)0, (_Bool)0, (struct of_device_id const *)0, (int (*)(struct device * ))0, (int (*)(struct device * ))0, (void (*)(struct device * ))0, (int (*)(struct device * , pm_message_t ))0, (int (*)(struct device * ))0, (struct attribute_group const **)0, (struct dev_pm_ops const *)0, (struct driver_private *)0}, {{{{{0U}, 0U, 0U, (void *)0, {(struct lock_class_key *)0, {(struct lock_class *)0, (struct lock_class *)0}, (char const *)0, 0, 0UL}}}}, {(struct list_head *)0, (struct list_head *)0}}}; [L5774] static bool pci_registered ; [L5780] static struct tty_driver *serial_driver ; [L12074-L12087] static struct tty_operations const ops = {(struct tty_struct *(*)(struct tty_driver * , struct inode * , int ))0, (int (*)(struct tty_driver * , struct tty_struct * ))0, (void (*)(struct tty_driver * , struct tty_struct * ))0, & open, & close, (void (*)(struct tty_struct * ))0, (void (*)(struct tty_struct * ))0, & write, & put_char, & flush_chars, & write_room, & chars_in_buffer, & ioctl, & slgt_compat_ioctl, & set_termios, & throttle, & unthrottle, & tx_hold, & tx_release, & hangup, & set_break, & flush_buffer, (void (*)(struct tty_struct * ))0, & wait_until_sent, & send_xchar, & tiocmget, & tiocmset, (int (*)(struct tty_struct * , struct winsize * ))0, (int (*)(struct tty_struct * , struct termiox * ))0, & get_icount, (int (*)(struct tty_driver * , int , char * ))0, (int (*)(struct tty_driver * , int ))0, (void (*)(struct tty_driver * , int , char ))0, & synclink_gt_proc_fops}; [L14627] int ldv_module_refcounter = 1; [L8109-L8142] static struct net_device_ops const hdlcdev_ops = {(int (*)(struct net_device * ))0, (void (*)(struct net_device * ))0, & hdlcdev_open, & hdlcdev_close, & hdlc_start_xmit, (u16 (*)(struct net_device * , struct sk_buff * ))0, (void (*)(struct net_device * , int ))0, (void (*)(struct net_device * ))0, (void (*)(struct net_device * ))0, (int (*)(struct net_device * , void * ))0, (int (*)(struct net_device * ))0, & hdlcdev_ioctl, (int (*)(struct net_device * , struct ifmap * ))0, & hdlc_change_mtu, (int (*)(struct net_device * , struct neigh_parms * ))0, & hdlcdev_tx_timeout, (struct rtnl_link_stats64 *(*)(struct net_device * , struct rtnl_link_stats64 * ))0, (struct net_device_stats *(*)(struct net_device * ))0, (void (*)(struct net_device * , struct vlan_group * ))0, (void (*)(struct net_device * , unsigned short ))0, (void (*)(struct net_device * , unsigned short ))0, (void (*)(struct net_device * ))0, (int (*)(struct net_device * , struct netpoll_info * ))0, (void (*)(struct net_device * ))0, (int (*)(struct net_device * , int , u8 * ))0, (int (*)(struct net_device * , int , u16 , u8 ))0, (int (*)(struct net_device * , int , int ))0, (int (*)(struct net_device * , int , struct ifla_vf_info * ))0, (int (*)(struct net_device * , int , struct nlattr ** ))0, (int (*)(struct net_device * , int , struct sk_buff * ))0, (int (*)(struct net_device * , u8 ))0, (int (*)(struct net_device * ))0, (int (*)(struct net_device * ))0, (int (*)(struct net_device * , u16 , struct scatterlist * , unsigned int ))0, (int (*)(struct net_device * , u16 ))0, (int (*)(struct net_device * , u16 , struct scatterlist * , unsigned int ))0, (int (*)(struct net_device * , u64 * , int ))0, (int (*)(struct net_device * , struct sk_buff const * , u16 , u32 ))0, (int (*)(struct net_device * , struct net_device * ))0, (int (*)(struct net_device * , struct net_device * ))0, (u32 (*)(struct net_device * , u32 ))0, (int (*)(struct net_device * , u32 ))0}; [L5750-L5754] static struct pci_device_id pci_table[5U] = { {5056U, 112U, 4294967295U, 4294967295U, 0U, 0U, 0UL}, {5056U, 160U, 4294967295U, 4294967295U, 0U, 0U, 0UL}, {5056U, 128U, 4294967295U, 4294967295U, 0U, 0U, 0UL}, {5056U, 144U, 4294967295U, 4294967295U, 0U, 0U, 0UL}, {0U, 0U, 0U, 0U, 0U, 0U, 0UL}}; [L5779] static int maxframe[32U] ; [L5755] struct pci_device_id const __mod_pci_device_table ; [L14223] struct pci_dev *var_group1 ; [L14224] struct pci_device_id const *var_init_one_102_p1 ; [L14225] int res_init_one_102 ; [L14226] struct inode *var_group2 ; [L14227] struct file *var_group3 ; [L14228] int res_synclink_gt_proc_open_26 ; [L14229] struct net_device *var_group4 ; [L14230] int res_hdlcdev_open_33 ; [L14231] int res_hdlcdev_close_34 ; [L14232] struct ifreq *var_group5 ; [L14233] int var_hdlcdev_ioctl_35_p2 ; [L14234] struct tty_port *var_group6 ; [L14235] int var_dtr_rts_87_p1 ; [L14236] struct tty_struct *var_group7 ; [L14237] int res_open_5 ; [L14238] unsigned char const *var_write_10_p1 ; [L14239] int var_write_10_p2 ; [L14240] unsigned char var_put_char_11_p1 ; [L14241] unsigned int var_ioctl_19_p1 ; [L14242] unsigned long var_ioctl_19_p2 ; [L14243] unsigned int var_slgt_compat_ioctl_23_p1 ; [L14244] unsigned long var_slgt_compat_ioctl_23_p2 ; [L14245] char var_send_xchar_12_p1 ; [L14246] int var_set_break_30_p1 ; [L14247] int var_wait_until_sent_13_p1 ; [L14248] struct ktermios *var_group8 ; [L14249] unsigned int var_tiocmset_85_p1 ; [L14250] unsigned int var_tiocmset_85_p2 ; [L14251] struct serial_icounter_struct *var_group9 ; [L14252] int var_slgt_interrupt_56_p0 ; [L14253] void *var_slgt_interrupt_56_p1 ; [L14254] int ldv_s_pci_driver_pci_driver ; [L14255] int ldv_s_synclink_gt_proc_fops_file_operations ; [L14256] int ldv_s_hdlcdev_ops_net_device_ops ; [L14257] int ldv_s_ops_tty_operations ; [L14258] int tmp ; [L14259] int tmp___0 ; [L14260] int tmp___1 ; [L14263] ldv_s_pci_driver_pci_driver = 0 [L14264] ldv_s_synclink_gt_proc_fops_file_operations = 0 [L14265] ldv_s_hdlcdev_ops_net_device_ops = 0 [L14266] ldv_s_ops_tty_operations = 0 [L14267] LDV_IN_INTERRUPT = 1 [L14268] FCALL ldv_initialize() [L14269] CALL, EXPR slgt_init() [L12178] int rc ; [L12182] CALL, EXPR alloc_tty_driver(32) [L14781] CALL, EXPR ldv_malloc(sizeof(struct tty_driver)) VAL [\old(size)=281, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={0:-18446744073709551615}, debug_level=0, default_params={191:0}, driver_name={8:0}, hdlcdev_ops={195:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, maxframe={197:0}, ops={194:0}, pci_driver={193:0}, pci_registered=0, pci_table={196:0}, serial_driver={0:0}, slgt_device_count=0, slgt_device_list={0:0}, slgt_port_ops={192:0}, synclink_gt_proc_fops={190:0}, tty_dev_prefix={10:0}, tty_driver_name={9:0}, ttymajor=0] [L14728] COND FALSE !(__VERIFIER_nondet_bool()) [L14729] return malloc(size); [L14781] RET, EXPR ldv_malloc(sizeof(struct tty_driver)) VAL [\old(arg0)=32, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={0:-18446744073709551615}, arg0=32, debug_level=0, default_params={191:0}, driver_name={8:0}, hdlcdev_ops={195:0}, LDV_IN_INTERRUPT=1, ldv_malloc(sizeof(struct tty_driver))={18446744073709551617:0}, ldv_module_refcounter=1, maxframe={197:0}, ops={194:0}, pci_driver={193:0}, pci_registered=0, pci_table={196:0}, serial_driver={0:0}, slgt_device_count=0, slgt_device_list={0:0}, slgt_port_ops={192:0}, synclink_gt_proc_fops={190:0}, tty_dev_prefix={10:0}, tty_driver_name={9:0}, ttymajor=0] [L14781] return ldv_malloc(sizeof(struct tty_driver)); [L12182] RET, EXPR alloc_tty_driver(32) [L12182] serial_driver = alloc_tty_driver(32) [L12184] COND FALSE !((unsigned long )serial_driver == (unsigned long )((struct tty_driver *)0)) [L12192] serial_driver->owner = & __this_module [L12193] serial_driver->driver_name = (char const *)tty_driver_name [L12194] serial_driver->name = (char const *)tty_dev_prefix [L12195] serial_driver->major = ttymajor [L12196] serial_driver->minor_start = 64 [L12197] serial_driver->type = (short)3 [L12198] serial_driver->subtype = (short)1 [L12199] serial_driver->init_termios = tty_std_termios [L12200] serial_driver->init_termios.c_cflag = 3261U [L12201] serial_driver->init_termios.c_ispeed = 9600U [L12202] serial_driver->init_termios.c_ospeed = 9600U [L12203] serial_driver->flags = 12 [L12204] FCALL tty_set_operations(serial_driver, & ops) [L12205] CALL, EXPR tty_register_driver(serial_driver) [L14995] return __VERIFIER_nondet_int(); [L12205] RET, EXPR tty_register_driver(serial_driver) [L12205] rc = tty_register_driver(serial_driver) [L12207] COND FALSE !(rc < 0) [L12222] serial_driver->major [L12223] slgt_device_count = 0 [L12224] CALL, EXPR __pci_register_driver(& pci_driver, & __this_module, "synclink_gt") [L14739] return __VERIFIER_nondet_int(); [L12224] RET, EXPR __pci_register_driver(& pci_driver, & __this_module, "synclink_gt") [L12224] rc = __pci_register_driver(& pci_driver, & __this_module, "synclink_gt") [L12226] COND FALSE !(rc < 0) [L12233] pci_registered = (bool )1 [L12234] COND TRUE (unsigned long )slgt_device_list == (unsigned long )((struct slgt_info *)0) [L12240] return (0); VAL [\result=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={0:-18446744073709551615}, debug_level=0, default_params={191:0}, driver_name={8:0}, hdlcdev_ops={195:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, maxframe={197:0}, ops={194:0}, pci_driver={193:0}, pci_registered=1, pci_table={196:0}, printk("%s no devices found\n", driver_name)=18446744073709551675, rc=0, serial_driver={18446744073709551617:0}, slgt_device_count=0, slgt_device_list={0:0}, slgt_port_ops={192:0}, synclink_gt_proc_fops={190:0}, tty_dev_prefix={10:0}, tty_driver_name={9:0}, tty_std_termios={18446744073709551694:-42}, ttymajor=0] [L14269] RET, EXPR slgt_init() [L14269] tmp = slgt_init() [L14271] COND FALSE !(tmp != 0) VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={0:-18446744073709551615}, debug_level=0, default_params={191:0}, driver_name={8:0}, hdlcdev_ops={195:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_s_hdlcdev_ops_net_device_ops=0, ldv_s_ops_tty_operations=0, ldv_s_pci_driver_pci_driver=0, ldv_s_synclink_gt_proc_fops_file_operations=0, maxframe={197:0}, ops={194:0}, pci_driver={193:0}, pci_registered=1, pci_table={196:0}, serial_driver={18446744073709551617:0}, slgt_device_count=0, slgt_device_list={0:0}, slgt_port_ops={192:0}, synclink_gt_proc_fops={190:0}, tmp=0, tty_dev_prefix={10:0}, tty_driver_name={9:0}, tty_std_termios={18446744073709551694:-42}, ttymajor=0] [L14589] tmp___1 = __VERIFIER_nondet_int() [L14591] COND TRUE tmp___1 != 0 VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={0:-18446744073709551615}, debug_level=0, default_params={191:0}, driver_name={8:0}, hdlcdev_ops={195:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_s_hdlcdev_ops_net_device_ops=0, ldv_s_ops_tty_operations=0, ldv_s_pci_driver_pci_driver=0, ldv_s_synclink_gt_proc_fops_file_operations=0, maxframe={197:0}, ops={194:0}, pci_driver={193:0}, pci_registered=1, pci_table={196:0}, serial_driver={18446744073709551617:0}, slgt_device_count=0, slgt_device_list={0:0}, slgt_port_ops={192:0}, synclink_gt_proc_fops={190:0}, tmp=0, tmp___1=-3, tty_dev_prefix={10:0}, tty_driver_name={9:0}, tty_std_termios={18446744073709551694:-42}, ttymajor=0] [L14278] tmp___0 = __VERIFIER_nondet_int() [L14280] COND FALSE !(tmp___0 == 0) VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={0:-18446744073709551615}, debug_level=0, default_params={191:0}, driver_name={8:0}, hdlcdev_ops={195:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_s_hdlcdev_ops_net_device_ops=0, ldv_s_ops_tty_operations=0, ldv_s_pci_driver_pci_driver=0, ldv_s_synclink_gt_proc_fops_file_operations=0, maxframe={197:0}, ops={194:0}, pci_driver={193:0}, pci_registered=1, pci_table={196:0}, serial_driver={18446744073709551617:0}, slgt_device_count=0, slgt_device_list={0:0}, slgt_port_ops={192:0}, synclink_gt_proc_fops={190:0}, tmp=0, tmp___0=2, tmp___1=-3, tty_dev_prefix={10:0}, tty_driver_name={9:0}, tty_std_termios={18446744073709551694:-42}, ttymajor=0] [L14283] COND FALSE !(tmp___0 == 1) VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={0:-18446744073709551615}, debug_level=0, default_params={191:0}, driver_name={8:0}, hdlcdev_ops={195:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_s_hdlcdev_ops_net_device_ops=0, ldv_s_ops_tty_operations=0, ldv_s_pci_driver_pci_driver=0, ldv_s_synclink_gt_proc_fops_file_operations=0, maxframe={197:0}, ops={194:0}, pci_driver={193:0}, pci_registered=1, pci_table={196:0}, serial_driver={18446744073709551617:0}, slgt_device_count=0, slgt_device_list={0:0}, slgt_port_ops={192:0}, synclink_gt_proc_fops={190:0}, tmp=0, tmp___0=2, tmp___1=-3, tty_dev_prefix={10:0}, tty_driver_name={9:0}, tty_std_termios={18446744073709551694:-42}, ttymajor=0] [L14286] COND TRUE tmp___0 == 2 VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={0:-18446744073709551615}, debug_level=0, default_params={191:0}, driver_name={8:0}, hdlcdev_ops={195:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_s_hdlcdev_ops_net_device_ops=0, ldv_s_ops_tty_operations=0, ldv_s_pci_driver_pci_driver=0, ldv_s_synclink_gt_proc_fops_file_operations=0, maxframe={197:0}, ops={194:0}, pci_driver={193:0}, pci_registered=1, pci_table={196:0}, serial_driver={18446744073709551617:0}, slgt_device_count=0, slgt_device_list={0:0}, slgt_port_ops={192:0}, synclink_gt_proc_fops={190:0}, tmp=0, tmp___0=2, tmp___1=-3, tty_dev_prefix={10:0}, tty_driver_name={9:0}, tty_std_termios={18446744073709551694:-42}, ttymajor=0] [L14404] COND TRUE ldv_s_hdlcdev_ops_net_device_ops == 0 [L14406] CALL, EXPR hdlcdev_open(var_group4) [L7718] struct slgt_info *info ; [L7719] struct hdlc_device *tmp ; [L7720] int rc ; [L7721] unsigned long flags ; [L7722] int tmp___0 ; [L7723] raw_spinlock_t *tmp___1 ; [L7724] raw_spinlock_t *tmp___2 ; [L7725] raw_spinlock_t *tmp___3 ; VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={0:-18446744073709551615}, debug_level=0, default_params={191:0}, dev={18446744073709551704:-2672}, dev={18446744073709551704:-2672}, driver_name={8:0}, hdlcdev_ops={195:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, maxframe={197:0}, ops={194:0}, pci_driver={193:0}, pci_registered=1, pci_table={196:0}, serial_driver={18446744073709551617:0}, slgt_device_count=0, slgt_device_list={0:0}, slgt_port_ops={192:0}, synclink_gt_proc_fops={190:0}, tty_dev_prefix={10:0}, tty_driver_name={9:0}, tty_std_termios={18446744073709551694:-42}, ttymajor=0] [L7728] CALL, EXPR dev_to_hdlc(dev) VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={0:-18446744073709551615}, debug_level=0, default_params={191:0}, driver_name={8:0}, hdlcdev_ops={195:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, maxframe={197:0}, ops={194:0}, pci_driver={193:0}, pci_registered=1, pci_table={196:0}, serial_driver={18446744073709551617:0}, slgt_device_count=0, slgt_device_list={0:0}, slgt_port_ops={192:0}, synclink_gt_proc_fops={190:0}, tty_dev_prefix={10:0}, tty_driver_name={9:0}, tty_std_termios={18446744073709551694:-42}, ttymajor=0] [L5713] void *tmp ; [L5716] CALL, EXPR netdev_priv((struct net_device const *)dev) [L5583] return ((void *)dev + 2560U); [L5716] RET, EXPR netdev_priv((struct net_device const *)dev) [L5716] tmp = netdev_priv((struct net_device const *)dev) [L5718] return ((struct hdlc_device *)tmp); [L7728] RET, EXPR dev_to_hdlc(dev) VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={0:-18446744073709551615}, debug_level=0, default_params={191:0}, dev={18446744073709551704:-2672}, dev={18446744073709551704:-2672}, dev_to_hdlc(dev)={18446744073709551704:-112}, driver_name={8:0}, hdlcdev_ops={195:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, maxframe={197:0}, ops={194:0}, pci_driver={193:0}, pci_registered=1, pci_table={196:0}, serial_driver={18446744073709551617:0}, slgt_device_count=0, slgt_device_list={0:0}, slgt_port_ops={192:0}, synclink_gt_proc_fops={190:0}, tty_dev_prefix={10:0}, tty_driver_name={9:0}, tty_std_termios={18446744073709551694:-42}, ttymajor=0] [L7728] tmp = dev_to_hdlc(dev) [L7729] EXPR tmp->priv [L7729] info = (struct slgt_info *)tmp->priv [L7730] CALL, EXPR ldv_try_module_get_1(& __this_module) [L14701] int tmp ; [L14704] CALL, EXPR ldv_try_module_get(module) [L14639] int module_get_succeeded ; [L14641] COND TRUE (unsigned long )module != (unsigned long )((struct module *)0) [L14643] CALL, EXPR ldv_undefined_int() [L14851] return __VERIFIER_nondet_int(); [L14643] RET, EXPR ldv_undefined_int() [L14643] module_get_succeeded = ldv_undefined_int() [L14645] COND TRUE module_get_succeeded == 1 [L14646] ldv_module_refcounter = ldv_module_refcounter + 1 [L14647] return (1); [L14704] RET, EXPR ldv_try_module_get(module) [L14704] tmp = ldv_try_module_get(module) [L14706] return (tmp); [L7730] RET, EXPR ldv_try_module_get_1(& __this_module) [L7730] tmp___0 = ldv_try_module_get_1(& __this_module) [L7732] COND FALSE !(tmp___0 == 0) [L7736] COND FALSE !(debug_level > 2) [L7743] CALL, EXPR hdlc_open(dev) [L14825] return __VERIFIER_nondet_int(); [L7743] RET, EXPR hdlc_open(dev) [L7743] rc = hdlc_open(dev) [L7745] COND TRUE rc != 0 [L7746] return (rc); VAL [\result=-5, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={0:-18446744073709551615}, debug_level=0, default_params={191:0}, dev={18446744073709551704:-2672}, dev={18446744073709551704:-2672}, driver_name={8:0}, hdlcdev_ops={195:0}, info={18446744073709551663:18446744073709551669}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, maxframe={197:0}, ops={194:0}, pci_driver={193:0}, pci_registered=1, pci_table={196:0}, printk("%s hdlcdev_open\n", (char *)(& dev->name))=18446744073709551650, rc=-5, serial_driver={18446744073709551617:0}, slgt_device_count=0, slgt_device_list={0:0}, slgt_port_ops={192:0}, synclink_gt_proc_fops={190:0}, tmp={18446744073709551704:-112}, tmp___0=1, tty_dev_prefix={10:0}, tty_driver_name={9:0}, tty_std_termios={18446744073709551694:-42}, ttymajor=0] [L14406] RET, EXPR hdlcdev_open(var_group4) [L14406] res_hdlcdev_open_33 = hdlcdev_open(var_group4) [L14407] FCALL ldv_check_return_value(res_hdlcdev_open_33) VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={0:-18446744073709551615}, debug_level=0, default_params={191:0}, driver_name={8:0}, hdlcdev_ops={195:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, ldv_s_hdlcdev_ops_net_device_ops=0, ldv_s_ops_tty_operations=0, ldv_s_pci_driver_pci_driver=0, ldv_s_synclink_gt_proc_fops_file_operations=0, maxframe={197:0}, ops={194:0}, pci_driver={193:0}, pci_registered=1, pci_table={196:0}, res_hdlcdev_open_33=-5, serial_driver={18446744073709551617:0}, slgt_device_count=0, slgt_device_list={0:0}, slgt_port_ops={192:0}, synclink_gt_proc_fops={190:0}, tmp=0, tmp___0=2, tmp___1=-3, tty_dev_prefix={10:0}, tty_driver_name={9:0}, tty_std_termios={18446744073709551694:-42}, ttymajor=0, var_group4={18446744073709551704:-2672}] [L14409] COND TRUE res_hdlcdev_open_33 < 0 VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={0:-18446744073709551615}, debug_level=0, default_params={191:0}, driver_name={8:0}, hdlcdev_ops={195:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, ldv_s_hdlcdev_ops_net_device_ops=0, ldv_s_ops_tty_operations=0, ldv_s_pci_driver_pci_driver=0, ldv_s_synclink_gt_proc_fops_file_operations=0, maxframe={197:0}, ops={194:0}, pci_driver={193:0}, pci_registered=1, pci_table={196:0}, res_hdlcdev_open_33=-5, serial_driver={18446744073709551617:0}, slgt_device_count=0, slgt_device_list={0:0}, slgt_port_ops={192:0}, synclink_gt_proc_fops={190:0}, tmp=0, tmp___0=2, tmp___1=-3, tty_dev_prefix={10:0}, tty_driver_name={9:0}, tty_std_termios={18446744073709551694:-42}, ttymajor=0, var_group4={18446744073709551704:-2672}] [L14611] CALL slgt_exit() [L12252] CALL slgt_cleanup() VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={0:-18446744073709551615}, debug_level=0, default_params={191:0}, driver_name={8:0}, hdlcdev_ops={195:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, maxframe={197:0}, ops={194:0}, pci_driver={193:0}, pci_registered=1, pci_table={196:0}, serial_driver={18446744073709551617:0}, slgt_device_count=0, slgt_device_list={0:0}, slgt_port_ops={192:0}, synclink_gt_proc_fops={190:0}, tty_dev_prefix={10:0}, tty_driver_name={9:0}, tty_std_termios={18446744073709551694:-42}, ttymajor=0] [L12089] int rc ; [L12090] struct slgt_info *info ; [L12091] struct slgt_info *tmp ; [L12096] COND TRUE (unsigned long )serial_driver != (unsigned long )((struct tty_driver *)0) [L12097] info = slgt_device_list VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={0:-18446744073709551615}, debug_level=0, default_params={191:0}, driver_name={8:0}, hdlcdev_ops={195:0}, info={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, maxframe={197:0}, ops={194:0}, pci_driver={193:0}, pci_registered=1, pci_table={196:0}, serial_driver={18446744073709551617:0}, slgt_device_count=0, slgt_device_list={0:0}, slgt_port_ops={192:0}, synclink_gt_proc_fops={190:0}, tty_dev_prefix={10:0}, tty_driver_name={9:0}, tty_std_termios={18446744073709551694:-42}, ttymajor=0] [L12105] COND FALSE !((unsigned long )info != (unsigned long )((struct slgt_info *)0)) [L12112] CALL, EXPR tty_unregister_driver(serial_driver) [L15008] return __VERIFIER_nondet_int(); [L12112] RET, EXPR tty_unregister_driver(serial_driver) [L12112] rc = tty_unregister_driver(serial_driver) [L12114] COND TRUE rc != 0 [L12115] COND FALSE !(debug_level > 1) VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={0:-18446744073709551615}, debug_level=0, default_params={191:0}, driver_name={8:0}, hdlcdev_ops={195:0}, info={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, maxframe={197:0}, ops={194:0}, pci_driver={193:0}, pci_registered=1, pci_table={196:0}, printk("tty_unregister_driver error=%d\n", rc)=18446744073709551683, rc=198, serial_driver={18446744073709551617:0}, slgt_device_count=0, slgt_device_list={0:0}, slgt_port_ops={192:0}, synclink_gt_proc_fops={190:0}, tty_dev_prefix={10:0}, tty_driver_name={9:0}, tty_std_termios={18446744073709551694:-42}, ttymajor=0] [L12124] FCALL put_tty_driver(serial_driver) VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={0:-18446744073709551615}, debug_level=0, default_params={191:0}, driver_name={8:0}, hdlcdev_ops={195:0}, info={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, maxframe={197:0}, ops={194:0}, pci_driver={193:0}, pci_registered=1, pci_table={196:0}, printk("tty_unregister_driver error=%d\n", rc)=18446744073709551683, rc=198, serial_driver={18446744073709551617:0}, slgt_device_count=0, slgt_device_list={0:0}, slgt_port_ops={192:0}, synclink_gt_proc_fops={190:0}, tty_dev_prefix={10:0}, tty_driver_name={9:0}, tty_std_termios={18446744073709551694:-42}, ttymajor=0] [L12128] info = slgt_device_list VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={0:-18446744073709551615}, debug_level=0, default_params={191:0}, driver_name={8:0}, hdlcdev_ops={195:0}, info={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, maxframe={197:0}, ops={194:0}, pci_driver={193:0}, pci_registered=1, pci_table={196:0}, printk("tty_unregister_driver error=%d\n", rc)=18446744073709551683, rc=198, serial_driver={18446744073709551617:0}, slgt_device_count=0, slgt_device_list={0:0}, slgt_port_ops={192:0}, synclink_gt_proc_fops={190:0}, tty_dev_prefix={10:0}, tty_driver_name={9:0}, tty_std_termios={18446744073709551694:-42}, ttymajor=0] [L12136] COND FALSE !((unsigned long )info != (unsigned long )((struct slgt_info *)0)) [L12142] info = slgt_device_list VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={0:-18446744073709551615}, debug_level=0, default_params={191:0}, driver_name={8:0}, hdlcdev_ops={195:0}, info={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, maxframe={197:0}, ops={194:0}, pci_driver={193:0}, pci_registered=1, pci_table={196:0}, printk("tty_unregister_driver error=%d\n", rc)=18446744073709551683, rc=198, serial_driver={18446744073709551617:0}, slgt_device_count=0, slgt_device_list={0:0}, slgt_port_ops={192:0}, synclink_gt_proc_fops={190:0}, tty_dev_prefix={10:0}, tty_driver_name={9:0}, tty_std_termios={18446744073709551694:-42}, ttymajor=0] [L12162] COND FALSE !((unsigned long )info != (unsigned long )((struct slgt_info *)0)) [L12168] COND TRUE (int )pci_registered [L12170] FCALL pci_unregister_driver(& pci_driver) [L12252] RET slgt_cleanup() VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={0:-18446744073709551615}, debug_level=0, default_params={191:0}, driver_name={8:0}, hdlcdev_ops={195:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, maxframe={197:0}, ops={194:0}, pci_driver={193:0}, pci_registered=1, pci_table={196:0}, serial_driver={18446744073709551617:0}, slgt_device_count=0, slgt_device_list={0:0}, slgt_port_ops={192:0}, synclink_gt_proc_fops={190:0}, tty_dev_prefix={10:0}, tty_driver_name={9:0}, tty_std_termios={18446744073709551694:-42}, ttymajor=0] [L14611] RET slgt_exit() [L14615] CALL ldv_check_final_state() [L14691] COND TRUE ldv_module_refcounter != 1 VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={0:-18446744073709551615}, debug_level=0, default_params={191:0}, driver_name={8:0}, hdlcdev_ops={195:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, maxframe={197:0}, ops={194:0}, pci_driver={193:0}, pci_registered=1, pci_table={196:0}, serial_driver={18446744073709551617:0}, slgt_device_count=0, slgt_device_list={0:0}, slgt_port_ops={192:0}, synclink_gt_proc_fops={190:0}, tty_dev_prefix={10:0}, tty_driver_name={9:0}, tty_std_termios={18446744073709551694:-42}, ttymajor=0] [L14693] CALL ldv_blast_assert() VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={0:-18446744073709551615}, debug_level=0, default_params={191:0}, driver_name={8:0}, hdlcdev_ops={195:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, maxframe={197:0}, ops={194:0}, pci_driver={193:0}, pci_registered=1, pci_table={196:0}, serial_driver={18446744073709551617:0}, slgt_device_count=0, slgt_device_list={0:0}, slgt_port_ops={192:0}, synclink_gt_proc_fops={190:0}, tty_dev_prefix={10:0}, tty_driver_name={9:0}, tty_std_termios={18446744073709551694:-42}, ttymajor=0] [L14623] reach_error() VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={0:-18446744073709551615}, debug_level=0, default_params={191:0}, driver_name={8:0}, hdlcdev_ops={195:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, maxframe={197:0}, ops={194:0}, pci_driver={193:0}, pci_registered=1, pci_table={196:0}, serial_driver={18446744073709551617:0}, slgt_device_count=0, slgt_device_list={0:0}, slgt_port_ops={192:0}, synclink_gt_proc_fops={190:0}, tty_dev_prefix={10:0}, tty_driver_name={9:0}, tty_std_termios={18446744073709551694:-42}, ttymajor=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 99 procedures, 1955 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 117.2s, OverallIterations: 7, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 107.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 23 mSolverCounterUnknown, 18939 SdHoareTripleChecker+Valid, 102.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 18394 mSDsluCounter, 46338 SdHoareTripleChecker+Invalid, 98.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 23181 mSDsCounter, 1764 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 9685 IncrementalHoareTripleChecker+Invalid, 11472 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1764 mSolverCounterUnsat, 23157 mSDtfsCounter, 9685 mSolverCounterSat, 0.3s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 25 GetRequests, 12 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=16848occurred in iteration=6, InterpolantAutomatonStates: 23, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 5.1s AutomataMinimizationTime, 6 MinimizatonAttempts, 3764 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 2.4s InterpolantComputationTime, 200 NumberOfCodeBlocks, 200 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 149 ConstructedInterpolants, 0 QuantifiedInterpolants, 331 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 0/0 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 [2022-11-19 07:42:13,059 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974c5909-fa73-4d9d-8ce7-9526013fed70/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974c5909-fa73-4d9d-8ce7-9526013fed70/bin/utaipan-I9t0OCRTmS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974c5909-fa73-4d9d-8ce7-9526013fed70/bin/utaipan-I9t0OCRTmS/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974c5909-fa73-4d9d-8ce7-9526013fed70/bin/utaipan-I9t0OCRTmS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974c5909-fa73-4d9d-8ce7-9526013fed70/bin/utaipan-I9t0OCRTmS/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-tty-synclink_gt.ko.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974c5909-fa73-4d9d-8ce7-9526013fed70/bin/utaipan-I9t0OCRTmS/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974c5909-fa73-4d9d-8ce7-9526013fed70/bin/utaipan-I9t0OCRTmS --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 549d105dbd2b95e1c241c01b48dc69ec107f34e0fb82917a92dcec665dfc2efc --- 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 [2022-11-19 07:42:15,139 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-19 07:42:15,141 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-19 07:42:15,165 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-19 07:42:15,165 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-19 07:42:15,166 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-19 07:42:15,168 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-19 07:42:15,170 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-19 07:42:15,178 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-19 07:42:15,186 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-19 07:42:15,187 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-19 07:42:15,190 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-19 07:42:15,191 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-19 07:42:15,194 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-19 07:42:15,197 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-19 07:42:15,198 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-19 07:42:15,200 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-19 07:42:15,201 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-19 07:42:15,207 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-19 07:42:15,210 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-19 07:42:15,215 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-19 07:42:15,217 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-19 07:42:15,218 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-19 07:42:15,220 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-19 07:42:15,223 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-19 07:42:15,228 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-19 07:42:15,229 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-19 07:42:15,230 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-19 07:42:15,231 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-19 07:42:15,232 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-19 07:42:15,232 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-19 07:42:15,233 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-19 07:42:15,234 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-19 07:42:15,235 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-19 07:42:15,236 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-19 07:42:15,237 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-19 07:42:15,238 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-19 07:42:15,238 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-19 07:42:15,238 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-19 07:42:15,240 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-19 07:42:15,240 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-19 07:42:15,245 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974c5909-fa73-4d9d-8ce7-9526013fed70/bin/utaipan-I9t0OCRTmS/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2022-11-19 07:42:15,294 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-19 07:42:15,294 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-19 07:42:15,295 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-19 07:42:15,296 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-19 07:42:15,296 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-19 07:42:15,297 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-19 07:42:15,297 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-19 07:42:15,297 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-19 07:42:15,297 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-19 07:42:15,298 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-19 07:42:15,299 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-19 07:42:15,299 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-19 07:42:15,300 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-19 07:42:15,301 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-19 07:42:15,301 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-19 07:42:15,301 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-19 07:42:15,301 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-19 07:42:15,301 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-19 07:42:15,302 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-19 07:42:15,302 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-19 07:42:15,302 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-19 07:42:15,302 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-19 07:42:15,302 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-19 07:42:15,303 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-19 07:42:15,303 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-19 07:42:15,303 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-19 07:42:15,303 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 07:42:15,304 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-19 07:42:15,304 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-19 07:42:15,304 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-19 07:42:15,304 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-19 07:42:15,304 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-19 07:42:15,305 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-19 07:42:15,305 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-19 07:42:15,305 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-19 07:42:15,306 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_974c5909-fa73-4d9d-8ce7-9526013fed70/bin/utaipan-I9t0OCRTmS/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974c5909-fa73-4d9d-8ce7-9526013fed70/bin/utaipan-I9t0OCRTmS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 549d105dbd2b95e1c241c01b48dc69ec107f34e0fb82917a92dcec665dfc2efc [2022-11-19 07:42:15,745 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-19 07:42:15,768 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-19 07:42:15,771 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-19 07:42:15,772 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-19 07:42:15,773 INFO L275 PluginConnector]: CDTParser initialized [2022-11-19 07:42:15,774 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974c5909-fa73-4d9d-8ce7-9526013fed70/bin/utaipan-I9t0OCRTmS/../../sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-tty-synclink_gt.ko.cil.out.i [2022-11-19 07:42:15,846 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974c5909-fa73-4d9d-8ce7-9526013fed70/bin/utaipan-I9t0OCRTmS/data/504940921/c3fbd1a310a448e99573f7b99e07331f/FLAG4de73b76b [2022-11-19 07:42:16,942 INFO L306 CDTParser]: Found 1 translation units. [2022-11-19 07:42:16,943 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974c5909-fa73-4d9d-8ce7-9526013fed70/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-tty-synclink_gt.ko.cil.out.i [2022-11-19 07:42:17,000 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974c5909-fa73-4d9d-8ce7-9526013fed70/bin/utaipan-I9t0OCRTmS/data/504940921/c3fbd1a310a448e99573f7b99e07331f/FLAG4de73b76b [2022-11-19 07:42:17,244 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974c5909-fa73-4d9d-8ce7-9526013fed70/bin/utaipan-I9t0OCRTmS/data/504940921/c3fbd1a310a448e99573f7b99e07331f [2022-11-19 07:42:17,246 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-19 07:42:17,248 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-19 07:42:17,249 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-19 07:42:17,250 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-19 07:42:17,254 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-19 07:42:17,255 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:42:17" (1/1) ... [2022-11-19 07:42:17,256 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6fa4ce49 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:42:17, skipping insertion in model container [2022-11-19 07:42:17,256 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:42:17" (1/1) ... [2022-11-19 07:42:17,270 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-19 07:42:17,511 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-19 07:42:20,269 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_974c5909-fa73-4d9d-8ce7-9526013fed70/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-tty-synclink_gt.ko.cil.out.i[379011,379024] [2022-11-19 07:42:20,334 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 07:42:20,415 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-11-19 07:42:20,522 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-19 07:42:21,098 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_974c5909-fa73-4d9d-8ce7-9526013fed70/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-tty-synclink_gt.ko.cil.out.i[379011,379024] [2022-11-19 07:42:21,110 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 07:42:21,137 INFO L203 MainTranslator]: Completed pre-run [2022-11-19 07:42:21,807 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_974c5909-fa73-4d9d-8ce7-9526013fed70/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-tty-synclink_gt.ko.cil.out.i[379011,379024] [2022-11-19 07:42:21,818 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 07:42:22,197 INFO L208 MainTranslator]: Completed translation [2022-11-19 07:42:22,198 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:42:22 WrapperNode [2022-11-19 07:42:22,198 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-19 07:42:22,199 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-19 07:42:22,199 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-19 07:42:22,199 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-19 07:42:22,206 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:42:22" (1/1) ... [2022-11-19 07:42:22,358 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:42:22" (1/1) ... [2022-11-19 07:42:22,640 INFO L138 Inliner]: procedures = 358, calls = 3539, calls flagged for inlining = 191, calls inlined = 172, statements flattened = 8187 [2022-11-19 07:42:22,641 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-19 07:42:22,642 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-19 07:42:22,643 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-19 07:42:22,643 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-19 07:42:22,652 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:42:22" (1/1) ... [2022-11-19 07:42:22,652 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:42:22" (1/1) ... [2022-11-19 07:42:22,702 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:42:22" (1/1) ... [2022-11-19 07:42:22,702 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:42:22" (1/1) ... [2022-11-19 07:42:22,889 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:42:22" (1/1) ... [2022-11-19 07:42:23,015 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:42:22" (1/1) ... [2022-11-19 07:42:23,046 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:42:22" (1/1) ... [2022-11-19 07:42:23,062 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:42:22" (1/1) ... [2022-11-19 07:42:23,100 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-19 07:42:23,101 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-19 07:42:23,101 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-19 07:42:23,102 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-19 07:42:23,102 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:42:22" (1/1) ... [2022-11-19 07:42:23,108 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 07:42:23,118 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974c5909-fa73-4d9d-8ce7-9526013fed70/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 07:42:23,135 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974c5909-fa73-4d9d-8ce7-9526013fed70/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-19 07:42:23,155 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974c5909-fa73-4d9d-8ce7-9526013fed70/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-19 07:42:23,182 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-11-19 07:42:23,183 INFO L130 BoogieDeclarations]: Found specification of procedure remove_wait_queue [2022-11-19 07:42:23,183 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_wait_queue [2022-11-19 07:42:23,183 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-11-19 07:42:23,183 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2022-11-19 07:42:23,183 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-11-19 07:42:23,184 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-19 07:42:23,184 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-11-19 07:42:23,184 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-19 07:42:23,184 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-11-19 07:42:23,184 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-11-19 07:42:23,184 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-11-19 07:42:23,185 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-11-19 07:42:23,185 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-11-19 07:42:23,185 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-11-19 07:42:23,185 INFO L130 BoogieDeclarations]: Found specification of procedure set_signals [2022-11-19 07:42:23,185 INFO L138 BoogieDeclarations]: Found implementation of procedure set_signals [2022-11-19 07:42:23,185 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-19 07:42:23,186 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-19 07:42:23,186 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_dma_bufs [2022-11-19 07:42:23,186 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_dma_bufs [2022-11-19 07:42:23,186 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2022-11-19 07:42:23,186 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2022-11-19 07:42:23,186 INFO L130 BoogieDeclarations]: Found specification of procedure tty_insert_flip_char [2022-11-19 07:42:23,187 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_insert_flip_char [2022-11-19 07:42:23,187 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-11-19 07:42:23,187 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-11-19 07:42:23,187 INFO L130 BoogieDeclarations]: Found specification of procedure tx_stop [2022-11-19 07:42:23,187 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_stop [2022-11-19 07:42:23,187 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2022-11-19 07:42:23,188 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2022-11-19 07:42:23,188 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2022-11-19 07:42:23,188 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2022-11-19 07:42:23,188 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-11-19 07:42:23,189 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-11-19 07:42:23,189 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-19 07:42:23,189 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-19 07:42:23,189 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-11-19 07:42:23,189 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-11-19 07:42:23,190 INFO L130 BoogieDeclarations]: Found specification of procedure free_bufs [2022-11-19 07:42:23,190 INFO L138 BoogieDeclarations]: Found implementation of procedure free_bufs [2022-11-19 07:42:23,190 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2022-11-19 07:42:23,190 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2022-11-19 07:42:23,190 INFO L130 BoogieDeclarations]: Found specification of procedure change_params [2022-11-19 07:42:23,190 INFO L138 BoogieDeclarations]: Found implementation of procedure change_params [2022-11-19 07:42:23,191 INFO L130 BoogieDeclarations]: Found specification of procedure msleep_interruptible [2022-11-19 07:42:23,191 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep_interruptible [2022-11-19 07:42:23,192 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2022-11-19 07:42:23,193 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2022-11-19 07:42:23,193 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-19 07:42:23,193 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-19 07:42:23,194 INFO L130 BoogieDeclarations]: Found specification of procedure tx_start [2022-11-19 07:42:23,194 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_start [2022-11-19 07:42:23,194 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-19 07:42:23,194 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-11-19 07:42:23,195 INFO L130 BoogieDeclarations]: Found specification of procedure startup [2022-11-19 07:42:23,195 INFO L138 BoogieDeclarations]: Found implementation of procedure startup [2022-11-19 07:42:23,195 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-19 07:42:23,196 INFO L130 BoogieDeclarations]: Found specification of procedure reset_rbufs [2022-11-19 07:42:23,196 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_rbufs [2022-11-19 07:42:23,196 INFO L130 BoogieDeclarations]: Found specification of procedure wait_until_sent [2022-11-19 07:42:23,197 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_until_sent [2022-11-19 07:42:23,197 INFO L130 BoogieDeclarations]: Found specification of procedure signal_pending [2022-11-19 07:42:23,197 INFO L138 BoogieDeclarations]: Found implementation of procedure signal_pending [2022-11-19 07:42:23,197 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-19 07:42:23,197 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-19 07:42:23,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-11-19 07:42:23,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-11-19 07:42:23,198 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-11-19 07:42:23,198 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_blast_assert [2022-11-19 07:42:23,199 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_blast_assert [2022-11-19 07:42:23,199 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-19 07:42:23,199 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-11-19 07:42:23,199 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-19 07:42:23,199 INFO L130 BoogieDeclarations]: Found specification of procedure set_rate [2022-11-19 07:42:23,199 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rate [2022-11-19 07:42:23,200 INFO L130 BoogieDeclarations]: Found specification of procedure free_rbufs [2022-11-19 07:42:23,200 INFO L138 BoogieDeclarations]: Found implementation of procedure free_rbufs [2022-11-19 07:42:23,200 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2022-11-19 07:42:23,200 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2022-11-19 07:42:23,200 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2022-11-19 07:42:23,201 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-19 07:42:23,201 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-11-19 07:42:23,201 INFO L130 BoogieDeclarations]: Found specification of procedure async_mode [2022-11-19 07:42:23,201 INFO L138 BoogieDeclarations]: Found implementation of procedure async_mode [2022-11-19 07:42:23,202 INFO L130 BoogieDeclarations]: Found specification of procedure ioctl [2022-11-19 07:42:23,202 INFO L138 BoogieDeclarations]: Found implementation of procedure ioctl [2022-11-19 07:42:23,203 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-11-19 07:42:23,203 INFO L130 BoogieDeclarations]: Found specification of procedure put_tty_driver [2022-11-19 07:42:23,203 INFO L138 BoogieDeclarations]: Found implementation of procedure put_tty_driver [2022-11-19 07:42:23,204 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-11-19 07:42:23,204 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-11-19 07:42:23,204 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-11-19 07:42:23,204 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-11-19 07:42:23,205 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-11-19 07:42:23,205 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-11-19 07:42:23,205 INFO L130 BoogieDeclarations]: Found specification of procedure add_wait_queue [2022-11-19 07:42:23,205 INFO L138 BoogieDeclarations]: Found implementation of procedure add_wait_queue [2022-11-19 07:42:23,205 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-11-19 07:42:23,205 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-11-19 07:42:23,206 INFO L130 BoogieDeclarations]: Found specification of procedure rx_stop [2022-11-19 07:42:23,206 INFO L138 BoogieDeclarations]: Found implementation of procedure rx_stop [2022-11-19 07:42:23,206 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-11-19 07:42:23,206 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-11-19 07:42:23,206 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2022-11-19 07:42:23,207 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2022-11-19 07:42:23,207 INFO L130 BoogieDeclarations]: Found specification of procedure update_tx_timer [2022-11-19 07:42:23,207 INFO L138 BoogieDeclarations]: Found implementation of procedure update_tx_timer [2022-11-19 07:42:23,208 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_bufs [2022-11-19 07:42:23,208 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_bufs [2022-11-19 07:42:23,210 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2022-11-19 07:42:23,210 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2022-11-19 07:42:23,210 INFO L130 BoogieDeclarations]: Found specification of procedure msc_set_vcr [2022-11-19 07:42:23,210 INFO L138 BoogieDeclarations]: Found implementation of procedure msc_set_vcr [2022-11-19 07:42:23,210 INFO L130 BoogieDeclarations]: Found specification of procedure isr_txeom [2022-11-19 07:42:23,210 INFO L138 BoogieDeclarations]: Found implementation of procedure isr_txeom [2022-11-19 07:42:23,210 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-11-19 07:42:23,211 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-11-19 07:42:23,211 INFO L130 BoogieDeclarations]: Found specification of procedure setup_timer_key [2022-11-19 07:42:23,211 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_timer_key [2022-11-19 07:42:23,211 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-11-19 07:42:23,211 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-11-19 07:42:23,211 INFO L130 BoogieDeclarations]: Found specification of procedure rdma_reset [2022-11-19 07:42:23,211 INFO L138 BoogieDeclarations]: Found implementation of procedure rdma_reset [2022-11-19 07:42:23,211 INFO L130 BoogieDeclarations]: Found specification of procedure tty_hung_up_p [2022-11-19 07:42:23,211 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_hung_up_p [2022-11-19 07:42:23,211 INFO L130 BoogieDeclarations]: Found specification of procedure release_resources [2022-11-19 07:42:23,212 INFO L138 BoogieDeclarations]: Found implementation of procedure release_resources [2022-11-19 07:42:23,212 INFO L130 BoogieDeclarations]: Found specification of procedure slgt_cleanup [2022-11-19 07:42:23,212 INFO L138 BoogieDeclarations]: Found implementation of procedure slgt_cleanup [2022-11-19 07:42:23,212 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-11-19 07:42:23,212 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-11-19 07:42:23,212 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-11-19 07:42:23,212 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-11-19 07:42:23,212 INFO L130 BoogieDeclarations]: Found specification of procedure dev_to_hdlc [2022-11-19 07:42:23,212 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_to_hdlc [2022-11-19 07:42:23,212 INFO L130 BoogieDeclarations]: Found specification of procedure tx_set_idle [2022-11-19 07:42:23,213 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_set_idle [2022-11-19 07:42:23,213 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2022-11-19 07:42:23,213 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2022-11-19 07:42:23,213 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-19 07:42:23,213 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-19 07:42:23,213 INFO L130 BoogieDeclarations]: Found specification of procedure enable_loopback [2022-11-19 07:42:23,213 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_loopback [2022-11-19 07:42:23,213 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-11-19 07:42:23,213 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-11-19 07:42:23,213 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-19 07:42:23,213 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-19 07:42:23,213 INFO L130 BoogieDeclarations]: Found specification of procedure tx_load [2022-11-19 07:42:23,214 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_load [2022-11-19 07:42:23,214 INFO L130 BoogieDeclarations]: Found specification of procedure wr_reg32 [2022-11-19 07:42:23,214 INFO L138 BoogieDeclarations]: Found implementation of procedure wr_reg32 [2022-11-19 07:42:23,214 INFO L130 BoogieDeclarations]: Found specification of procedure hdlcdev_tx_done [2022-11-19 07:42:23,214 INFO L138 BoogieDeclarations]: Found implementation of procedure hdlcdev_tx_done [2022-11-19 07:42:23,214 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-11-19 07:42:23,214 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-11-19 07:42:23,214 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2022-11-19 07:42:23,214 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2022-11-19 07:42:23,214 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-11-19 07:42:23,214 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-11-19 07:42:23,214 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-11-19 07:42:23,214 INFO L130 BoogieDeclarations]: Found specification of procedure program_hw [2022-11-19 07:42:23,215 INFO L138 BoogieDeclarations]: Found implementation of procedure program_hw [2022-11-19 07:42:23,215 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-11-19 07:42:23,215 INFO L130 BoogieDeclarations]: Found specification of procedure rd_reg32 [2022-11-19 07:42:23,215 INFO L138 BoogieDeclarations]: Found implementation of procedure rd_reg32 [2022-11-19 07:42:23,215 INFO L130 BoogieDeclarations]: Found specification of procedure isr_rxdata [2022-11-19 07:42:23,215 INFO L138 BoogieDeclarations]: Found implementation of procedure isr_rxdata [2022-11-19 07:42:23,215 INFO L130 BoogieDeclarations]: Found specification of procedure reset_port [2022-11-19 07:42:23,215 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_port [2022-11-19 07:42:23,216 INFO L130 BoogieDeclarations]: Found specification of procedure tbuf_bytes [2022-11-19 07:42:23,216 INFO L138 BoogieDeclarations]: Found implementation of procedure tbuf_bytes [2022-11-19 07:42:23,216 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-19 07:42:23,216 INFO L130 BoogieDeclarations]: Found specification of procedure compat_ptr [2022-11-19 07:42:23,216 INFO L138 BoogieDeclarations]: Found implementation of procedure compat_ptr [2022-11-19 07:42:23,216 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2022-11-19 07:42:23,216 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2022-11-19 07:42:23,217 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-19 07:42:23,217 INFO L130 BoogieDeclarations]: Found specification of procedure tty_wakeup [2022-11-19 07:42:23,217 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_wakeup [2022-11-19 07:42:23,217 INFO L130 BoogieDeclarations]: Found specification of procedure flush_buffer [2022-11-19 07:42:23,217 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_buffer [2022-11-19 07:42:23,217 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-19 07:42:23,218 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-19 07:42:23,218 INFO L130 BoogieDeclarations]: Found specification of procedure wr_reg16 [2022-11-19 07:42:23,218 INFO L138 BoogieDeclarations]: Found implementation of procedure wr_reg16 [2022-11-19 07:42:23,218 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-11-19 07:42:23,218 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-11-19 07:42:23,218 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-11-19 07:42:23,218 INFO L130 BoogieDeclarations]: Found specification of procedure tx_release [2022-11-19 07:42:23,219 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_release [2022-11-19 07:42:23,219 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2022-11-19 07:42:23,219 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2022-11-19 07:42:23,219 INFO L130 BoogieDeclarations]: Found specification of procedure rd_reg16 [2022-11-19 07:42:23,219 INFO L138 BoogieDeclarations]: Found implementation of procedure rd_reg16 [2022-11-19 07:42:23,219 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-11-19 07:42:23,219 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-11-19 07:42:23,220 INFO L130 BoogieDeclarations]: Found specification of procedure sync_mode [2022-11-19 07:42:23,220 INFO L138 BoogieDeclarations]: Found implementation of procedure sync_mode [2022-11-19 07:42:23,220 INFO L130 BoogieDeclarations]: Found specification of procedure shutdown [2022-11-19 07:42:23,220 INFO L138 BoogieDeclarations]: Found implementation of procedure shutdown [2022-11-19 07:42:23,220 INFO L130 BoogieDeclarations]: Found specification of procedure send_xchar [2022-11-19 07:42:23,220 INFO L138 BoogieDeclarations]: Found implementation of procedure send_xchar [2022-11-19 07:42:23,220 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-19 07:42:23,221 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-19 07:42:23,221 INFO L130 BoogieDeclarations]: Found specification of procedure hdlc_ioctl [2022-11-19 07:42:23,221 INFO L138 BoogieDeclarations]: Found implementation of procedure hdlc_ioctl [2022-11-19 07:42:23,221 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-11-19 07:42:23,221 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-11-19 07:42:23,221 INFO L130 BoogieDeclarations]: Found specification of procedure free_tmp_rbuf [2022-11-19 07:42:23,221 INFO L138 BoogieDeclarations]: Found implementation of procedure free_tmp_rbuf [2022-11-19 07:42:23,222 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2022-11-19 07:42:23,222 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2022-11-19 07:42:23,222 INFO L130 BoogieDeclarations]: Found specification of procedure tdma_reset [2022-11-19 07:42:23,222 INFO L138 BoogieDeclarations]: Found implementation of procedure tdma_reset [2022-11-19 07:42:23,222 INFO L130 BoogieDeclarations]: Found specification of procedure get_signals [2022-11-19 07:42:23,222 INFO L138 BoogieDeclarations]: Found implementation of procedure get_signals [2022-11-19 07:42:23,222 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-11-19 07:42:23,223 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-11-19 07:42:23,223 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-11-19 07:42:23,223 INFO L130 BoogieDeclarations]: Found specification of procedure rx_start [2022-11-19 07:42:23,223 INFO L138 BoogieDeclarations]: Found implementation of procedure rx_start [2022-11-19 07:42:23,223 INFO L130 BoogieDeclarations]: Found specification of procedure trace_block [2022-11-19 07:42:23,223 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_block [2022-11-19 07:42:23,223 INFO L130 BoogieDeclarations]: Found specification of procedure wr_reg8 [2022-11-19 07:42:23,224 INFO L138 BoogieDeclarations]: Found implementation of procedure wr_reg8 [2022-11-19 07:42:23,224 INFO L130 BoogieDeclarations]: Found specification of procedure sanity_check [2022-11-19 07:42:23,224 INFO L138 BoogieDeclarations]: Found implementation of procedure sanity_check [2022-11-19 07:42:23,224 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-19 07:42:23,224 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-19 07:42:24,180 INFO L235 CfgBuilder]: Building ICFG [2022-11-19 07:42:24,183 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-19 07:42:24,805 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-11-19 07:42:24,889 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##21: assume !false; [2022-11-19 07:42:24,889 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##20: assume false; [2022-11-19 07:42:27,206 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2022-11-19 07:42:27,206 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2022-11-19 07:42:33,893 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-11-19 07:42:34,771 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##20: assume !false; [2022-11-19 07:42:34,772 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##19: assume false; [2022-11-19 07:42:36,123 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-11-19 07:42:36,126 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-11-19 07:42:36,857 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##61: assume !false; [2022-11-19 07:42:36,857 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##60: assume false; [2022-11-19 07:42:36,858 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##132: assume !false; [2022-11-19 07:42:36,858 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##131: assume false; [2022-11-19 07:42:38,090 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-11-19 07:43:01,977 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L10940: SUMMARY for call modem_input_wait_#t~ret1364#1.base, modem_input_wait_#t~ret1364#1.offset := get_current(); srcloc: null [2022-11-19 07:43:01,978 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L10940-1: modem_input_wait_~tmp___8~2#1.base, modem_input_wait_~tmp___8~2#1.offset := modem_input_wait_#t~ret1364#1.base, modem_input_wait_#t~ret1364#1.offset;havoc modem_input_wait_#t~ret1364#1.base, modem_input_wait_#t~ret1364#1.offset;modem_input_wait_~__ptr___3~1#1.base, modem_input_wait_~__ptr___3~1#1.offset := modem_input_wait_~tmp___8~2#1.base, modem_input_wait_~tmp___8~2#1.offset; [2022-11-19 07:43:01,978 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L10882: SUMMARY for call modem_input_wait_#t~ret1333#1.base, modem_input_wait_#t~ret1333#1.offset := get_current(); srcloc: null [2022-11-19 07:43:01,978 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L10882-1: modem_input_wait_~tmp___1~21#1.base, modem_input_wait_~tmp___1~21#1.offset := modem_input_wait_#t~ret1333#1.base, modem_input_wait_#t~ret1333#1.offset;havoc modem_input_wait_#t~ret1333#1.base, modem_input_wait_#t~ret1333#1.offset;modem_input_wait_~__ptr~3#1.base, modem_input_wait_~__ptr~3#1.offset := modem_input_wait_~tmp___1~21#1.base, modem_input_wait_~tmp___1~21#1.offset; [2022-11-19 07:43:01,978 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##265: assume !false; [2022-11-19 07:43:01,978 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##264: assume false; [2022-11-19 07:43:01,978 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##276: assume false; [2022-11-19 07:43:01,979 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##277: assume !false; [2022-11-19 07:43:01,979 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##232: assume false; [2022-11-19 07:43:01,979 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##233: assume !false; [2022-11-19 07:43:01,979 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##241: assume !false; [2022-11-19 07:43:01,979 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##240: assume false; [2022-11-19 07:43:01,979 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L11037-1: modem_input_wait_~tmp___12~1#1.base, modem_input_wait_~tmp___12~1#1.offset := modem_input_wait_#t~ret1407#1.base, modem_input_wait_#t~ret1407#1.offset;havoc modem_input_wait_#t~ret1407#1.base, modem_input_wait_#t~ret1407#1.offset;modem_input_wait_~__ptr___7~1#1.base, modem_input_wait_~__ptr___7~1#1.offset := modem_input_wait_~tmp___12~1#1.base, modem_input_wait_~tmp___12~1#1.offset; [2022-11-19 07:43:01,979 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L11037: SUMMARY for call modem_input_wait_#t~ret1407#1.base, modem_input_wait_#t~ret1407#1.offset := get_current(); srcloc: null [2022-11-19 07:43:01,979 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##304: assume !false; [2022-11-19 07:43:01,980 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##303: assume false; [2022-11-19 07:43:01,980 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L10655-1: remove_cond_wait_~tmp~91#1.base, remove_cond_wait_~tmp~91#1.offset := remove_cond_wait_#t~ret1268#1.base, remove_cond_wait_#t~ret1268#1.offset;havoc remove_cond_wait_#t~ret1268#1.base, remove_cond_wait_#t~ret1268#1.offset;remove_cond_wait_~__ptr~2#1.base, remove_cond_wait_~__ptr~2#1.offset := remove_cond_wait_~tmp~91#1.base, remove_cond_wait_~tmp~91#1.offset; [2022-11-19 07:43:01,980 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L10655: SUMMARY for call remove_cond_wait_#t~ret1268#1.base, remove_cond_wait_#t~ret1268#1.offset := get_current(); srcloc: null [2022-11-19 07:43:01,980 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L10195: SUMMARY for call wait_mgsl_event_#t~ret1204#1.base, wait_mgsl_event_#t~ret1204#1.offset := get_current(); srcloc: null [2022-11-19 07:43:01,980 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L10195-1: wait_mgsl_event_~tmp___26~0#1.base, wait_mgsl_event_~tmp___26~0#1.offset := wait_mgsl_event_#t~ret1204#1.base, wait_mgsl_event_#t~ret1204#1.offset;havoc wait_mgsl_event_#t~ret1204#1.base, wait_mgsl_event_#t~ret1204#1.offset;wait_mgsl_event_~__ptr___7~0#1.base, wait_mgsl_event_~__ptr___7~0#1.offset := wait_mgsl_event_~tmp___26~0#1.base, wait_mgsl_event_~tmp___26~0#1.offset; [2022-11-19 07:43:01,980 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L10592: SUMMARY for call add_cond_wait_#t~ret1263#1.base, add_cond_wait_#t~ret1263#1.offset := get_current(); srcloc: null [2022-11-19 07:43:01,980 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L10592-1: add_cond_wait_~tmp~90#1.base, add_cond_wait_~tmp~90#1.offset := add_cond_wait_#t~ret1263#1.base, add_cond_wait_#t~ret1263#1.offset;havoc add_cond_wait_#t~ret1263#1.base, add_cond_wait_#t~ret1263#1.offset;add_cond_wait_~__ptr~1#1.base, add_cond_wait_~__ptr~1#1.offset := add_cond_wait_~tmp~90#1.base, add_cond_wait_~tmp~90#1.offset; [2022-11-19 07:43:01,980 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L10064: SUMMARY for call wait_mgsl_event_#t~ret1129#1.base, wait_mgsl_event_#t~ret1129#1.offset := get_current(); srcloc: null [2022-11-19 07:43:01,981 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L10064-1: wait_mgsl_event_~tmp___13~0#1.base, wait_mgsl_event_~tmp___13~0#1.offset := wait_mgsl_event_#t~ret1129#1.base, wait_mgsl_event_#t~ret1129#1.offset;havoc wait_mgsl_event_#t~ret1129#1.base, wait_mgsl_event_#t~ret1129#1.offset;wait_mgsl_event_~__ptr___3~0#1.base, wait_mgsl_event_~__ptr___3~0#1.offset := wait_mgsl_event_~tmp___13~0#1.base, wait_mgsl_event_~tmp___13~0#1.offset; [2022-11-19 07:43:01,981 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##76: assume !false; [2022-11-19 07:43:01,981 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##75: assume false; [2022-11-19 07:43:01,981 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##69: assume !false; [2022-11-19 07:43:01,981 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##68: assume false; [2022-11-19 07:43:01,981 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##195: assume false; [2022-11-19 07:43:01,981 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##196: assume !false; [2022-11-19 07:43:01,981 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##40: assume !false; [2022-11-19 07:43:01,981 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##39: assume false; [2022-11-19 07:43:01,982 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##139: assume !false; [2022-11-19 07:43:01,982 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##138: assume false; [2022-11-19 07:43:01,982 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L10004: SUMMARY for call wait_mgsl_event_#t~ret1090#1.base, wait_mgsl_event_#t~ret1090#1.offset := get_current(); srcloc: null [2022-11-19 07:43:01,982 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L10004-1: wait_mgsl_event_~tmp___6~1#1.base, wait_mgsl_event_~tmp___6~1#1.offset := wait_mgsl_event_#t~ret1090#1.base, wait_mgsl_event_#t~ret1090#1.offset;havoc wait_mgsl_event_#t~ret1090#1.base, wait_mgsl_event_#t~ret1090#1.offset;wait_mgsl_event_~__ptr~0#1.base, wait_mgsl_event_~__ptr~0#1.offset := wait_mgsl_event_~tmp___6~1#1.base, wait_mgsl_event_~tmp___6~1#1.offset; [2022-11-19 07:43:01,982 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##389: assume false; [2022-11-19 07:43:01,982 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##151: assume !false; [2022-11-19 07:43:01,982 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##150: assume false; [2022-11-19 07:43:01,982 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##390: assume !false; [2022-11-19 07:43:01,982 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##155: assume false; [2022-11-19 07:43:01,983 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##156: assume !false; [2022-11-19 07:43:01,983 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##162: assume false; [2022-11-19 07:43:01,983 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##163: assume !false; [2022-11-19 07:43:01,983 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##327: assume !false; [2022-11-19 07:43:01,983 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##326: assume false; [2022-11-19 07:43:04,364 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-11-19 07:43:04,367 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-11-19 07:43:04,374 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-11-19 07:43:04,374 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-11-19 07:43:04,375 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-11-19 07:43:58,249 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##289: assume !false;call ULTIMATE.dealloc(hdlcdev_ioctl_~#new_line~0#1.base, hdlcdev_ioctl_~#new_line~0#1.offset);havoc hdlcdev_ioctl_~#new_line~0#1.base, hdlcdev_ioctl_~#new_line~0#1.offset; [2022-11-19 07:43:58,249 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##288: assume false; [2022-11-19 07:43:58,249 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##301: assume !false; [2022-11-19 07:43:58,249 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##300: assume false; [2022-11-19 07:43:58,249 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##323: assume !false; [2022-11-19 07:43:58,249 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##322: assume false; [2022-11-19 07:43:58,250 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L11392: SUMMARY for call block_til_ready_#t~ret1467#1.base, block_til_ready_#t~ret1467#1.offset := get_current(); srcloc: null [2022-11-19 07:43:58,250 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L11392-1: block_til_ready_~tmp___9~2#1.base, block_til_ready_~tmp___9~2#1.offset := block_til_ready_#t~ret1467#1.base, block_til_ready_#t~ret1467#1.offset;havoc block_til_ready_#t~ret1467#1.base, block_til_ready_#t~ret1467#1.offset;block_til_ready_~__ptr___3~2#1.base, block_til_ready_~__ptr___3~2#1.offset := block_til_ready_~tmp___9~2#1.base, block_til_ready_~tmp___9~2#1.offset; [2022-11-19 07:43:58,250 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##399: assume false; [2022-11-19 07:43:58,250 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##423: assume false; [2022-11-19 07:43:58,250 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##424: assume !false; [2022-11-19 07:43:58,250 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##400: assume !false; [2022-11-19 07:43:58,250 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L11302-1: block_til_ready_~tmp___2~14#1.base, block_til_ready_~tmp___2~14#1.offset := block_til_ready_#t~ret1453#1.base, block_til_ready_#t~ret1453#1.offset;havoc block_til_ready_#t~ret1453#1.base, block_til_ready_#t~ret1453#1.offset;block_til_ready_~__ptr~4#1.base, block_til_ready_~__ptr~4#1.offset := block_til_ready_~tmp___2~14#1.base, block_til_ready_~tmp___2~14#1.offset; [2022-11-19 07:43:58,250 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L11302: SUMMARY for call block_til_ready_#t~ret1453#1.base, block_til_ready_#t~ret1453#1.offset := get_current(); srcloc: null [2022-11-19 07:43:58,251 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##78: assume !false; [2022-11-19 07:43:58,251 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##77: assume false; [2022-11-19 07:43:58,251 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##133: assume !false; [2022-11-19 07:43:58,251 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##132: assume false; [2022-11-19 07:43:59,949 INFO L276 CfgBuilder]: Performing block encoding [2022-11-19 07:43:59,987 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-19 07:43:59,987 INFO L300 CfgBuilder]: Removed 17 assume(true) statements. [2022-11-19 07:43:59,992 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:43:59 BoogieIcfgContainer [2022-11-19 07:43:59,993 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-19 07:43:59,996 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-19 07:43:59,996 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-19 07:44:00,008 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-19 07:44:00,009 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:42:17" (1/3) ... [2022-11-19 07:44:00,010 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45d592ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:44:00, skipping insertion in model container [2022-11-19 07:44:00,010 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:42:22" (2/3) ... [2022-11-19 07:44:00,010 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45d592ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:44:00, skipping insertion in model container [2022-11-19 07:44:00,010 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:43:59" (3/3) ... [2022-11-19 07:44:00,012 INFO L112 eAbstractionObserver]: Analyzing ICFG module_get_put-drivers-tty-synclink_gt.ko.cil.out.i [2022-11-19 07:44:00,036 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-19 07:44:00,037 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-19 07:44:00,184 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-19 07:44:00,192 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@5ee81ac4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-19 07:44:00,192 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-19 07:44:00,205 INFO L276 IsEmpty]: Start isEmpty. Operand has 2733 states, 2016 states have (on average 1.4037698412698412) internal successors, (2830), 2091 states have internal predecessors, (2830), 627 states have call successors, (627), 98 states have call predecessors, (627), 98 states have return successors, (627), 607 states have call predecessors, (627), 627 states have call successors, (627) [2022-11-19 07:44:00,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-19 07:44:00,215 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:44:00,216 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:44:00,217 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:44:00,227 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:44:00,228 INFO L85 PathProgramCache]: Analyzing trace with hash 1683062230, now seen corresponding path program 1 times [2022-11-19 07:44:00,248 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-19 07:44:00,248 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1959351457] [2022-11-19 07:44:00,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:44:00,249 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 [2022-11-19 07:44:00,250 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974c5909-fa73-4d9d-8ce7-9526013fed70/bin/utaipan-I9t0OCRTmS/mathsat [2022-11-19 07:44:00,259 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974c5909-fa73-4d9d-8ce7-9526013fed70/bin/utaipan-I9t0OCRTmS/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) [2022-11-19 07:44:00,263 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974c5909-fa73-4d9d-8ce7-9526013fed70/bin/utaipan-I9t0OCRTmS/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 [2022-11-19 07:44:01,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:44:01,948 INFO L263 TraceCheckSpWp]: Trace formula consists of 1144 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-19 07:44:01,955 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 07:44:02,540 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 07:44:02,541 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 07:44:02,542 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-19 07:44:02,543 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1959351457] [2022-11-19 07:44:02,543 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1959351457] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:44:02,544 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:44:02,544 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-19 07:44:02,546 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1804207741] [2022-11-19 07:44:02,547 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:44:02,553 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 07:44:02,554 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-19 07:44:02,590 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 07:44:02,591 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 07:44:02,601 INFO L87 Difference]: Start difference. First operand has 2733 states, 2016 states have (on average 1.4037698412698412) internal successors, (2830), 2091 states have internal predecessors, (2830), 627 states have call successors, (627), 98 states have call predecessors, (627), 98 states have return successors, (627), 607 states have call predecessors, (627), 627 states have call successors, (627) Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 2 states have internal predecessors, (14), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-19 07:44:03,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:44:03,370 INFO L93 Difference]: Finished difference Result 8125 states and 12244 transitions. [2022-11-19 07:44:03,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 07:44:03,375 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 2 states have internal predecessors, (14), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 17 [2022-11-19 07:44:03,375 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:44:03,455 INFO L225 Difference]: With dead ends: 8125 [2022-11-19 07:44:03,455 INFO L226 Difference]: Without dead ends: 5402 [2022-11-19 07:44:03,487 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 07:44:03,494 INFO L413 NwaCegarLoop]: 5821 mSDtfsCounter, 4020 mSDsluCounter, 4000 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4020 SdHoareTripleChecker+Valid, 9821 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-19 07:44:03,502 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4020 Valid, 9821 Invalid, 10 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-19 07:44:03,536 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5402 states. [2022-11-19 07:44:03,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5402 to 5399. [2022-11-19 07:44:03,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5399 states, 3956 states have (on average 1.3963599595551062) internal successors, (5524), 4121 states have internal predecessors, (5524), 1248 states have call successors, (1248), 195 states have call predecessors, (1248), 194 states have return successors, (1246), 1206 states have call predecessors, (1246), 1246 states have call successors, (1246) [2022-11-19 07:44:04,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5399 states to 5399 states and 8018 transitions. [2022-11-19 07:44:04,025 INFO L78 Accepts]: Start accepts. Automaton has 5399 states and 8018 transitions. Word has length 17 [2022-11-19 07:44:04,026 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:44:04,026 INFO L495 AbstractCegarLoop]: Abstraction has 5399 states and 8018 transitions. [2022-11-19 07:44:04,027 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 2 states have internal predecessors, (14), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-19 07:44:04,027 INFO L276 IsEmpty]: Start isEmpty. Operand 5399 states and 8018 transitions. [2022-11-19 07:44:04,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-11-19 07:44:04,041 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:44:04,041 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:44:04,070 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974c5909-fa73-4d9d-8ce7-9526013fed70/bin/utaipan-I9t0OCRTmS/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)] Ended with exit code 0 [2022-11-19 07:44:04,268 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974c5909-fa73-4d9d-8ce7-9526013fed70/bin/utaipan-I9t0OCRTmS/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 [2022-11-19 07:44:04,268 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:44:04,269 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:44:04,269 INFO L85 PathProgramCache]: Analyzing trace with hash -724110025, now seen corresponding path program 1 times [2022-11-19 07:44:04,272 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-19 07:44:04,272 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [57524113] [2022-11-19 07:44:04,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:44:04,272 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 [2022-11-19 07:44:04,273 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974c5909-fa73-4d9d-8ce7-9526013fed70/bin/utaipan-I9t0OCRTmS/mathsat [2022-11-19 07:44:04,277 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974c5909-fa73-4d9d-8ce7-9526013fed70/bin/utaipan-I9t0OCRTmS/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) [2022-11-19 07:44:04,328 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974c5909-fa73-4d9d-8ce7-9526013fed70/bin/utaipan-I9t0OCRTmS/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 [2022-11-19 07:44:05,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:44:05,846 INFO L263 TraceCheckSpWp]: Trace formula consists of 1226 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-19 07:44:05,850 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 07:44:06,132 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 07:44:06,133 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 07:44:06,133 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-19 07:44:06,133 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [57524113] [2022-11-19 07:44:06,134 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [57524113] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:44:06,134 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:44:06,134 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-19 07:44:06,134 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [229146963] [2022-11-19 07:44:06,134 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:44:06,136 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-19 07:44:06,136 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-19 07:44:06,137 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-19 07:44:06,137 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-19 07:44:06,137 INFO L87 Difference]: Start difference. First operand 5399 states and 8018 transitions. Second operand has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-19 07:44:06,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:44:06,838 INFO L93 Difference]: Finished difference Result 10703 states and 15909 transitions. [2022-11-19 07:44:06,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-19 07:44:06,839 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 54 [2022-11-19 07:44:06,839 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:44:06,887 INFO L225 Difference]: With dead ends: 10703 [2022-11-19 07:44:06,887 INFO L226 Difference]: Without dead ends: 5399 [2022-11-19 07:44:06,916 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-19 07:44:06,918 INFO L413 NwaCegarLoop]: 4031 mSDtfsCounter, 1 mSDsluCounter, 8056 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 12087 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-19 07:44:06,919 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 12087 Invalid, 8 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-19 07:44:06,929 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5399 states. [2022-11-19 07:44:07,198 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5399 to 5399. [2022-11-19 07:44:07,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5399 states, 3956 states have (on average 1.3961071789686552) internal successors, (5523), 4121 states have internal predecessors, (5523), 1248 states have call successors, (1248), 195 states have call predecessors, (1248), 194 states have return successors, (1246), 1206 states have call predecessors, (1246), 1246 states have call successors, (1246) [2022-11-19 07:44:07,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5399 states to 5399 states and 8017 transitions. [2022-11-19 07:44:07,250 INFO L78 Accepts]: Start accepts. Automaton has 5399 states and 8017 transitions. Word has length 54 [2022-11-19 07:44:07,250 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:44:07,250 INFO L495 AbstractCegarLoop]: Abstraction has 5399 states and 8017 transitions. [2022-11-19 07:44:07,251 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-19 07:44:07,251 INFO L276 IsEmpty]: Start isEmpty. Operand 5399 states and 8017 transitions. [2022-11-19 07:44:07,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-11-19 07:44:07,256 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:44:07,257 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:44:07,292 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974c5909-fa73-4d9d-8ce7-9526013fed70/bin/utaipan-I9t0OCRTmS/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 [2022-11-19 07:44:07,475 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974c5909-fa73-4d9d-8ce7-9526013fed70/bin/utaipan-I9t0OCRTmS/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 [2022-11-19 07:44:07,476 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:44:07,476 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:44:07,476 INFO L85 PathProgramCache]: Analyzing trace with hash 1735445289, now seen corresponding path program 1 times [2022-11-19 07:44:07,479 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-19 07:44:07,479 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1493085281] [2022-11-19 07:44:07,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:44:07,479 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 [2022-11-19 07:44:07,480 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974c5909-fa73-4d9d-8ce7-9526013fed70/bin/utaipan-I9t0OCRTmS/mathsat [2022-11-19 07:44:07,486 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974c5909-fa73-4d9d-8ce7-9526013fed70/bin/utaipan-I9t0OCRTmS/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) [2022-11-19 07:44:07,543 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974c5909-fa73-4d9d-8ce7-9526013fed70/bin/utaipan-I9t0OCRTmS/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 [2022-11-19 07:44:09,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:44:09,812 INFO L263 TraceCheckSpWp]: Trace formula consists of 2198 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-19 07:44:09,816 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 07:44:10,879 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 07:44:10,879 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 07:44:10,879 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-19 07:44:10,879 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1493085281] [2022-11-19 07:44:10,880 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1493085281] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:44:10,880 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:44:10,880 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-19 07:44:10,880 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2134418435] [2022-11-19 07:44:10,880 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:44:10,881 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-19 07:44:10,881 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-19 07:44:10,881 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-19 07:44:10,882 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-19 07:44:10,882 INFO L87 Difference]: Start difference. First operand 5399 states and 8017 transitions. Second operand has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 5 states have internal predecessors, (52), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-19 07:44:13,928 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:44:15,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:44:15,205 INFO L93 Difference]: Finished difference Result 16162 states and 24022 transitions. [2022-11-19 07:44:15,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-19 07:44:15,206 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 5 states have internal predecessors, (52), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 61 [2022-11-19 07:44:15,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:44:15,279 INFO L225 Difference]: With dead ends: 16162 [2022-11-19 07:44:15,280 INFO L226 Difference]: Without dead ends: 10767 [2022-11-19 07:44:15,304 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2022-11-19 07:44:15,307 INFO L413 NwaCegarLoop]: 7724 mSDtfsCounter, 4001 mSDsluCounter, 27173 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4007 SdHoareTripleChecker+Valid, 34897 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2022-11-19 07:44:15,315 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4007 Valid, 34897 Invalid, 41 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [3 Valid, 37 Invalid, 1 Unknown, 0 Unchecked, 3.0s Time] [2022-11-19 07:44:15,329 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10767 states. [2022-11-19 07:44:16,160 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10767 to 10753. [2022-11-19 07:44:16,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10753 states, 7875 states have (on average 1.3964444444444444) internal successors, (10997), 8204 states have internal predecessors, (10997), 2490 states have call successors, (2490), 387 states have call predecessors, (2490), 387 states have return successors, (2493), 2407 states have call predecessors, (2493), 2488 states have call successors, (2493) [2022-11-19 07:44:16,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10753 states to 10753 states and 15980 transitions. [2022-11-19 07:44:16,263 INFO L78 Accepts]: Start accepts. Automaton has 10753 states and 15980 transitions. Word has length 61 [2022-11-19 07:44:16,263 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:44:16,264 INFO L495 AbstractCegarLoop]: Abstraction has 10753 states and 15980 transitions. [2022-11-19 07:44:16,265 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 5 states have internal predecessors, (52), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-19 07:44:16,265 INFO L276 IsEmpty]: Start isEmpty. Operand 10753 states and 15980 transitions. [2022-11-19 07:44:16,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-11-19 07:44:16,271 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:44:16,272 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:44:16,312 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974c5909-fa73-4d9d-8ce7-9526013fed70/bin/utaipan-I9t0OCRTmS/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 [2022-11-19 07:44:16,491 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974c5909-fa73-4d9d-8ce7-9526013fed70/bin/utaipan-I9t0OCRTmS/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 [2022-11-19 07:44:16,492 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:44:16,492 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:44:16,492 INFO L85 PathProgramCache]: Analyzing trace with hash 1755782664, now seen corresponding path program 1 times [2022-11-19 07:44:16,493 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-19 07:44:16,494 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1202245908] [2022-11-19 07:44:16,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:44:16,494 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 [2022-11-19 07:44:16,494 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974c5909-fa73-4d9d-8ce7-9526013fed70/bin/utaipan-I9t0OCRTmS/mathsat [2022-11-19 07:44:16,495 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974c5909-fa73-4d9d-8ce7-9526013fed70/bin/utaipan-I9t0OCRTmS/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) [2022-11-19 07:44:16,500 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974c5909-fa73-4d9d-8ce7-9526013fed70/bin/utaipan-I9t0OCRTmS/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 [2022-11-19 07:44:18,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:44:19,047 INFO L263 TraceCheckSpWp]: Trace formula consists of 2204 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-19 07:44:19,051 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 07:44:19,448 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 07:44:19,448 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 07:44:19,449 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-19 07:44:19,449 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1202245908] [2022-11-19 07:44:19,449 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1202245908] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:44:19,449 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:44:19,449 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-19 07:44:19,449 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [168458699] [2022-11-19 07:44:19,450 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:44:19,450 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-19 07:44:19,450 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-19 07:44:19,451 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-19 07:44:19,451 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-19 07:44:19,451 INFO L87 Difference]: Start difference. First operand 10753 states and 15980 transitions. Second operand has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-19 07:44:22,511 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:44:22,511 INFO L93 Difference]: Finished difference Result 18231 states and 27325 transitions. [2022-11-19 07:44:22,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-19 07:44:22,513 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 61 [2022-11-19 07:44:22,514 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:44:22,610 INFO L225 Difference]: With dead ends: 18231 [2022-11-19 07:44:22,610 INFO L226 Difference]: Without dead ends: 12861 [2022-11-19 07:44:22,641 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-19 07:44:22,642 INFO L413 NwaCegarLoop]: 5539 mSDtfsCounter, 3407 mSDsluCounter, 12800 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 812 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3407 SdHoareTripleChecker+Valid, 18339 SdHoareTripleChecker+Invalid, 830 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 812 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-11-19 07:44:22,643 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3407 Valid, 18339 Invalid, 830 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [812 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-11-19 07:44:22,662 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12861 states. [2022-11-19 07:44:23,502 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12861 to 10759. [2022-11-19 07:44:23,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10759 states, 7881 states have (on average 1.3961426214947341) internal successors, (11003), 8210 states have internal predecessors, (11003), 2490 states have call successors, (2490), 387 states have call predecessors, (2490), 387 states have return successors, (2493), 2407 states have call predecessors, (2493), 2488 states have call successors, (2493) [2022-11-19 07:44:23,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10759 states to 10759 states and 15986 transitions. [2022-11-19 07:44:23,575 INFO L78 Accepts]: Start accepts. Automaton has 10759 states and 15986 transitions. Word has length 61 [2022-11-19 07:44:23,577 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:44:23,577 INFO L495 AbstractCegarLoop]: Abstraction has 10759 states and 15986 transitions. [2022-11-19 07:44:23,577 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-19 07:44:23,578 INFO L276 IsEmpty]: Start isEmpty. Operand 10759 states and 15986 transitions. [2022-11-19 07:44:23,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-11-19 07:44:23,585 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:44:23,586 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:44:23,638 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974c5909-fa73-4d9d-8ce7-9526013fed70/bin/utaipan-I9t0OCRTmS/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 [2022-11-19 07:44:23,799 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974c5909-fa73-4d9d-8ce7-9526013fed70/bin/utaipan-I9t0OCRTmS/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 [2022-11-19 07:44:23,799 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:44:23,800 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:44:23,800 INFO L85 PathProgramCache]: Analyzing trace with hash -205695727, now seen corresponding path program 1 times [2022-11-19 07:44:23,801 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-19 07:44:23,801 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1496883244] [2022-11-19 07:44:23,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:44:23,801 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 [2022-11-19 07:44:23,802 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974c5909-fa73-4d9d-8ce7-9526013fed70/bin/utaipan-I9t0OCRTmS/mathsat [2022-11-19 07:44:23,803 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974c5909-fa73-4d9d-8ce7-9526013fed70/bin/utaipan-I9t0OCRTmS/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) [2022-11-19 07:44:23,804 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974c5909-fa73-4d9d-8ce7-9526013fed70/bin/utaipan-I9t0OCRTmS/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 [2022-11-19 07:44:26,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:44:26,204 INFO L263 TraceCheckSpWp]: Trace formula consists of 2211 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-19 07:44:26,208 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 07:44:27,681 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 07:44:27,682 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 07:44:27,682 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-19 07:44:27,682 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1496883244] [2022-11-19 07:44:27,682 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1496883244] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:44:27,683 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:44:27,683 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-19 07:44:27,683 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1116518455] [2022-11-19 07:44:27,683 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:44:27,684 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 07:44:27,684 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-19 07:44:27,685 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 07:44:27,685 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 07:44:27,685 INFO L87 Difference]: Start difference. First operand 10759 states and 15986 transitions. Second operand has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 2 states have internal predecessors, (56), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-19 07:44:30,167 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:44:30,167 INFO L93 Difference]: Finished difference Result 21413 states and 31947 transitions. [2022-11-19 07:44:30,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 07:44:30,168 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 2 states have internal predecessors, (56), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 65 [2022-11-19 07:44:30,168 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:44:30,226 INFO L225 Difference]: With dead ends: 21413 [2022-11-19 07:44:30,226 INFO L226 Difference]: Without dead ends: 10679 [2022-11-19 07:44:30,269 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 07:44:30,270 INFO L413 NwaCegarLoop]: 3829 mSDtfsCounter, 3877 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 87 mSolverCounterSat, 86 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3877 SdHoareTripleChecker+Valid, 3829 SdHoareTripleChecker+Invalid, 173 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 86 IncrementalHoareTripleChecker+Valid, 87 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-11-19 07:44:30,270 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3877 Valid, 3829 Invalid, 173 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [86 Valid, 87 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-11-19 07:44:30,284 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10679 states. [2022-11-19 07:44:31,237 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10679 to 10679. [2022-11-19 07:44:31,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10679 states, 7813 states have (on average 1.352105465250224) internal successors, (10564), 8138 states have internal predecessors, (10564), 2482 states have call successors, (2482), 383 states have call predecessors, (2482), 383 states have return successors, (2485), 2399 states have call predecessors, (2485), 2480 states have call successors, (2485) [2022-11-19 07:44:31,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10679 states to 10679 states and 15531 transitions. [2022-11-19 07:44:31,326 INFO L78 Accepts]: Start accepts. Automaton has 10679 states and 15531 transitions. Word has length 65 [2022-11-19 07:44:31,327 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:44:31,328 INFO L495 AbstractCegarLoop]: Abstraction has 10679 states and 15531 transitions. [2022-11-19 07:44:31,328 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 2 states have internal predecessors, (56), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-19 07:44:31,328 INFO L276 IsEmpty]: Start isEmpty. Operand 10679 states and 15531 transitions. [2022-11-19 07:44:31,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-11-19 07:44:31,337 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:44:31,338 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:44:31,397 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974c5909-fa73-4d9d-8ce7-9526013fed70/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-11-19 07:44:31,558 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974c5909-fa73-4d9d-8ce7-9526013fed70/bin/utaipan-I9t0OCRTmS/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 [2022-11-19 07:44:31,559 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:44:31,559 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:44:31,559 INFO L85 PathProgramCache]: Analyzing trace with hash -143656113, now seen corresponding path program 1 times [2022-11-19 07:44:31,561 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-19 07:44:31,562 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [499276970] [2022-11-19 07:44:31,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:44:31,562 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 [2022-11-19 07:44:31,562 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974c5909-fa73-4d9d-8ce7-9526013fed70/bin/utaipan-I9t0OCRTmS/mathsat [2022-11-19 07:44:31,564 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974c5909-fa73-4d9d-8ce7-9526013fed70/bin/utaipan-I9t0OCRTmS/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) [2022-11-19 07:44:31,591 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974c5909-fa73-4d9d-8ce7-9526013fed70/bin/utaipan-I9t0OCRTmS/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 [2022-11-19 07:44:33,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:44:34,101 INFO L263 TraceCheckSpWp]: Trace formula consists of 2211 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-19 07:44:34,105 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 07:44:35,792 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 07:44:35,793 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 07:44:35,793 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-19 07:44:35,793 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [499276970] [2022-11-19 07:44:35,793 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [499276970] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:44:35,794 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:44:35,794 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 07:44:35,794 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1032648054] [2022-11-19 07:44:35,794 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:44:35,795 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 07:44:35,795 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-19 07:44:35,796 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 07:44:35,796 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 07:44:35,796 INFO L87 Difference]: Start difference. First operand 10679 states and 15531 transitions. Second operand has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 3 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-19 07:44:37,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:44:37,194 INFO L93 Difference]: Finished difference Result 16018 states and 23291 transitions. [2022-11-19 07:44:37,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 07:44:37,197 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 3 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) Word has length 65 [2022-11-19 07:44:37,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:44:37,259 INFO L225 Difference]: With dead ends: 16018 [2022-11-19 07:44:37,259 INFO L226 Difference]: Without dead ends: 10687 [2022-11-19 07:44:37,284 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 07:44:37,285 INFO L413 NwaCegarLoop]: 4905 mSDtfsCounter, 3865 mSDsluCounter, 3883 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3865 SdHoareTripleChecker+Valid, 8788 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-19 07:44:37,286 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3865 Valid, 8788 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-19 07:44:37,300 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10687 states. [2022-11-19 07:44:38,317 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10687 to 10679. [2022-11-19 07:44:38,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10679 states, 7813 states have (on average 1.3518494816331754) internal successors, (10562), 8136 states have internal predecessors, (10562), 2482 states have call successors, (2482), 383 states have call predecessors, (2482), 383 states have return successors, (2485), 2399 states have call predecessors, (2485), 2480 states have call successors, (2485) [2022-11-19 07:44:38,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10679 states to 10679 states and 15529 transitions. [2022-11-19 07:44:38,406 INFO L78 Accepts]: Start accepts. Automaton has 10679 states and 15529 transitions. Word has length 65 [2022-11-19 07:44:38,409 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:44:38,409 INFO L495 AbstractCegarLoop]: Abstraction has 10679 states and 15529 transitions. [2022-11-19 07:44:38,409 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 3 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-19 07:44:38,410 INFO L276 IsEmpty]: Start isEmpty. Operand 10679 states and 15529 transitions. [2022-11-19 07:44:38,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-11-19 07:44:38,421 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:44:38,421 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:44:38,476 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974c5909-fa73-4d9d-8ce7-9526013fed70/bin/utaipan-I9t0OCRTmS/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 [2022-11-19 07:44:38,643 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974c5909-fa73-4d9d-8ce7-9526013fed70/bin/utaipan-I9t0OCRTmS/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 [2022-11-19 07:44:38,644 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:44:38,644 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:44:38,644 INFO L85 PathProgramCache]: Analyzing trace with hash 49835295, now seen corresponding path program 1 times [2022-11-19 07:44:38,646 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-19 07:44:38,646 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [725640633] [2022-11-19 07:44:38,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:44:38,647 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 [2022-11-19 07:44:38,647 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974c5909-fa73-4d9d-8ce7-9526013fed70/bin/utaipan-I9t0OCRTmS/mathsat [2022-11-19 07:44:38,650 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974c5909-fa73-4d9d-8ce7-9526013fed70/bin/utaipan-I9t0OCRTmS/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) [2022-11-19 07:44:38,686 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974c5909-fa73-4d9d-8ce7-9526013fed70/bin/utaipan-I9t0OCRTmS/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 [2022-11-19 07:44:41,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:44:41,292 INFO L263 TraceCheckSpWp]: Trace formula consists of 2228 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-19 07:44:41,295 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 07:44:42,965 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 07:44:42,965 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 07:44:42,966 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-19 07:44:42,966 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [725640633] [2022-11-19 07:44:42,966 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [725640633] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:44:42,966 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:44:42,966 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 07:44:42,966 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1704883665] [2022-11-19 07:44:42,966 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:44:42,967 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 07:44:42,967 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-19 07:44:42,968 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 07:44:42,968 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 07:44:42,968 INFO L87 Difference]: Start difference. First operand 10679 states and 15529 transitions. Second operand has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 3 states have call successors, (6), 3 states have call predecessors, (6), 3 states have return successors, (5), 3 states have call predecessors, (5), 2 states have call successors, (5) [2022-11-19 07:44:44,008 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:44:44,008 INFO L93 Difference]: Finished difference Result 15954 states and 23202 transitions. [2022-11-19 07:44:44,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 07:44:44,009 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 3 states have call successors, (6), 3 states have call predecessors, (6), 3 states have return successors, (5), 3 states have call predecessors, (5), 2 states have call successors, (5) Word has length 73 [2022-11-19 07:44:44,009 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:44:44,079 INFO L225 Difference]: With dead ends: 15954 [2022-11-19 07:44:44,080 INFO L226 Difference]: Without dead ends: 15946 [2022-11-19 07:44:44,086 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 07:44:44,087 INFO L413 NwaCegarLoop]: 4952 mSDtfsCounter, 3843 mSDsluCounter, 3909 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3843 SdHoareTripleChecker+Valid, 8861 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-19 07:44:44,088 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3843 Valid, 8861 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-19 07:44:44,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15946 states. [2022-11-19 07:44:45,525 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15946 to 15938. [2022-11-19 07:44:45,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15938 states, 11660 states have (on average 1.3524871355060035) internal successors, (15770), 12141 states have internal predecessors, (15770), 3707 states have call successors, (3707), 570 states have call predecessors, (3707), 570 states have return successors, (3710), 3583 states have call predecessors, (3710), 3705 states have call successors, (3710) [2022-11-19 07:44:45,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15938 states to 15938 states and 23187 transitions. [2022-11-19 07:44:45,625 INFO L78 Accepts]: Start accepts. Automaton has 15938 states and 23187 transitions. Word has length 73 [2022-11-19 07:44:45,625 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:44:45,625 INFO L495 AbstractCegarLoop]: Abstraction has 15938 states and 23187 transitions. [2022-11-19 07:44:45,626 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 3 states have call successors, (6), 3 states have call predecessors, (6), 3 states have return successors, (5), 3 states have call predecessors, (5), 2 states have call successors, (5) [2022-11-19 07:44:45,626 INFO L276 IsEmpty]: Start isEmpty. Operand 15938 states and 23187 transitions. [2022-11-19 07:44:45,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-11-19 07:44:45,637 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:44:45,637 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:44:45,685 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974c5909-fa73-4d9d-8ce7-9526013fed70/bin/utaipan-I9t0OCRTmS/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 [2022-11-19 07:44:45,851 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974c5909-fa73-4d9d-8ce7-9526013fed70/bin/utaipan-I9t0OCRTmS/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 [2022-11-19 07:44:45,851 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:44:45,852 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:44:45,852 INFO L85 PathProgramCache]: Analyzing trace with hash -1405702881, now seen corresponding path program 1 times [2022-11-19 07:44:45,854 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-19 07:44:45,854 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [652083460] [2022-11-19 07:44:45,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:44:45,854 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 [2022-11-19 07:44:45,854 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974c5909-fa73-4d9d-8ce7-9526013fed70/bin/utaipan-I9t0OCRTmS/mathsat [2022-11-19 07:44:45,856 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974c5909-fa73-4d9d-8ce7-9526013fed70/bin/utaipan-I9t0OCRTmS/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) [2022-11-19 07:44:45,895 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974c5909-fa73-4d9d-8ce7-9526013fed70/bin/utaipan-I9t0OCRTmS/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 [2022-11-19 07:44:48,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:44:48,455 INFO L263 TraceCheckSpWp]: Trace formula consists of 2280 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-19 07:44:48,458 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 07:44:49,175 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 07:44:49,176 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 07:44:49,176 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-19 07:44:49,176 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [652083460] [2022-11-19 07:44:49,176 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [652083460] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:44:49,176 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:44:49,176 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 07:44:49,176 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1744509881] [2022-11-19 07:44:49,177 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:44:49,177 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 07:44:49,177 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-19 07:44:49,178 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 07:44:49,178 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 07:44:49,178 INFO L87 Difference]: Start difference. First operand 15938 states and 23187 transitions. Second operand has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 2 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-11-19 07:44:50,529 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:44:50,529 INFO L93 Difference]: Finished difference Result 37604 states and 55261 transitions. [2022-11-19 07:44:50,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 07:44:50,530 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 2 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 77 [2022-11-19 07:44:50,530 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:44:50,633 INFO L225 Difference]: With dead ends: 37604 [2022-11-19 07:44:50,633 INFO L226 Difference]: Without dead ends: 21834 [2022-11-19 07:44:50,694 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 75 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 07:44:50,695 INFO L413 NwaCegarLoop]: 4273 mSDtfsCounter, 1074 mSDsluCounter, 3844 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1338 SdHoareTripleChecker+Valid, 8117 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-19 07:44:50,695 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1338 Valid, 8117 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-19 07:44:50,718 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21834 states. [2022-11-19 07:44:52,426 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21834 to 21824. [2022-11-19 07:44:52,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21824 states, 16094 states have (on average 1.3629302845781037) internal successors, (21935), 16755 states have internal predecessors, (21935), 5159 states have call successors, (5159), 570 states have call predecessors, (5159), 570 states have return successors, (5166), 5005 states have call predecessors, (5166), 5157 states have call successors, (5166) [2022-11-19 07:44:52,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21824 states to 21824 states and 32260 transitions. [2022-11-19 07:44:52,600 INFO L78 Accepts]: Start accepts. Automaton has 21824 states and 32260 transitions. Word has length 77 [2022-11-19 07:44:52,601 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:44:52,601 INFO L495 AbstractCegarLoop]: Abstraction has 21824 states and 32260 transitions. [2022-11-19 07:44:52,601 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 2 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-11-19 07:44:52,601 INFO L276 IsEmpty]: Start isEmpty. Operand 21824 states and 32260 transitions. [2022-11-19 07:44:52,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2022-11-19 07:44:52,619 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:44:52,619 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:44:52,668 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974c5909-fa73-4d9d-8ce7-9526013fed70/bin/utaipan-I9t0OCRTmS/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 [2022-11-19 07:44:52,843 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974c5909-fa73-4d9d-8ce7-9526013fed70/bin/utaipan-I9t0OCRTmS/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 [2022-11-19 07:44:52,843 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:44:52,844 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:44:52,844 INFO L85 PathProgramCache]: Analyzing trace with hash -1461524583, now seen corresponding path program 1 times [2022-11-19 07:44:52,846 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-19 07:44:52,846 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [183451493] [2022-11-19 07:44:52,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:44:52,847 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 [2022-11-19 07:44:52,847 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974c5909-fa73-4d9d-8ce7-9526013fed70/bin/utaipan-I9t0OCRTmS/mathsat [2022-11-19 07:44:52,849 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974c5909-fa73-4d9d-8ce7-9526013fed70/bin/utaipan-I9t0OCRTmS/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) [2022-11-19 07:44:52,894 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974c5909-fa73-4d9d-8ce7-9526013fed70/bin/utaipan-I9t0OCRTmS/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 [2022-11-19 07:46:10,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-19 07:46:10,425 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-19 07:46:36,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-19 07:46:38,142 INFO L130 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2022-11-19 07:46:38,143 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-19 07:46:38,145 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-19 07:46:38,237 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974c5909-fa73-4d9d-8ce7-9526013fed70/bin/utaipan-I9t0OCRTmS/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 [2022-11-19 07:46:38,371 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974c5909-fa73-4d9d-8ce7-9526013fed70/bin/utaipan-I9t0OCRTmS/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 [2022-11-19 07:46:38,375 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:46:38,381 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-19 07:46:38,606 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 07:46:38 BoogieIcfgContainer [2022-11-19 07:46:38,606 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-19 07:46:38,607 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-19 07:46:38,607 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-19 07:46:38,608 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-19 07:46:38,608 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:43:59" (3/4) ... [2022-11-19 07:46:38,612 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-19 07:46:38,612 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-19 07:46:38,613 INFO L158 Benchmark]: Toolchain (without parser) took 261365.00ms. Allocated memory was 75.5MB in the beginning and 1.9GB in the end (delta: 1.8GB). Free memory was 40.9MB in the beginning and 1.4GB in the end (delta: -1.4GB). Peak memory consumption was 418.6MB. Max. memory is 16.1GB. [2022-11-19 07:46:38,613 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 75.5MB. Free memory is still 56.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-19 07:46:38,614 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4948.86ms. Allocated memory was 75.5MB in the beginning and 253.8MB in the end (delta: 178.3MB). Free memory was 40.6MB in the beginning and 158.7MB in the end (delta: -118.1MB). Peak memory consumption was 158.3MB. Max. memory is 16.1GB. [2022-11-19 07:46:38,614 INFO L158 Benchmark]: Boogie Procedure Inliner took 442.34ms. Allocated memory is still 253.8MB. Free memory was 157.7MB in the beginning and 112.6MB in the end (delta: 45.1MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. [2022-11-19 07:46:38,615 INFO L158 Benchmark]: Boogie Preprocessor took 458.27ms. Allocated memory is still 253.8MB. Free memory was 112.6MB in the beginning and 134.7MB in the end (delta: -22.1MB). Peak memory consumption was 71.2MB. Max. memory is 16.1GB. [2022-11-19 07:46:38,615 INFO L158 Benchmark]: RCFGBuilder took 96891.69ms. Allocated memory was 253.8MB in the beginning and 958.4MB in the end (delta: 704.6MB). Free memory was 134.7MB in the beginning and 733.6MB in the end (delta: -598.9MB). Peak memory consumption was 586.0MB. Max. memory is 16.1GB. [2022-11-19 07:46:38,616 INFO L158 Benchmark]: TraceAbstraction took 158610.59ms. Allocated memory was 958.4MB in the beginning and 1.9GB in the end (delta: 912.3MB). Free memory was 732.5MB in the beginning and 1.4GB in the end (delta: -687.4MB). Peak memory consumption was 225.9MB. Max. memory is 16.1GB. [2022-11-19 07:46:38,620 INFO L158 Benchmark]: Witness Printer took 5.27ms. Allocated memory is still 1.9GB. Free memory is still 1.4GB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-19 07:46:38,622 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 75.5MB. Free memory is still 56.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 4948.86ms. Allocated memory was 75.5MB in the beginning and 253.8MB in the end (delta: 178.3MB). Free memory was 40.6MB in the beginning and 158.7MB in the end (delta: -118.1MB). Peak memory consumption was 158.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 442.34ms. Allocated memory is still 253.8MB. Free memory was 157.7MB in the beginning and 112.6MB in the end (delta: 45.1MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. * Boogie Preprocessor took 458.27ms. Allocated memory is still 253.8MB. Free memory was 112.6MB in the beginning and 134.7MB in the end (delta: -22.1MB). Peak memory consumption was 71.2MB. Max. memory is 16.1GB. * RCFGBuilder took 96891.69ms. Allocated memory was 253.8MB in the beginning and 958.4MB in the end (delta: 704.6MB). Free memory was 134.7MB in the beginning and 733.6MB in the end (delta: -598.9MB). Peak memory consumption was 586.0MB. Max. memory is 16.1GB. * TraceAbstraction took 158610.59ms. Allocated memory was 958.4MB in the beginning and 1.9GB in the end (delta: 912.3MB). Free memory was 732.5MB in the beginning and 1.4GB in the end (delta: -687.4MB). Peak memory consumption was 225.9MB. Max. memory is 16.1GB. * Witness Printer took 5.27ms. Allocated memory is still 1.9GB. Free memory is still 1.4GB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.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: 14623]: 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 12224. Possible FailurePath: [L7413-L7440] static struct file_operations const synclink_gt_proc_fops = {& __this_module, & seq_lseek, & seq_read, (ssize_t (*)(struct file * , char const * , size_t , loff_t * ))0, (ssize_t (*)(struct kiocb * , struct iovec const * , unsigned long , loff_t ))0, (ssize_t (*)(struct kiocb * , struct iovec const * , unsigned long , loff_t ))0, (int (*)(struct file * , void * , int (*)(void * , char const * , int , loff_t , u64 , unsigned int ) ))0, (unsigned int (*)(struct file * , struct poll_table_struct * ))0, (long (*)(struct file * , unsigned int , unsigned long ))0, (long (*)(struct file * , unsigned int , unsigned long ))0, (int (*)(struct file * , struct vm_area_struct * ))0, & synclink_gt_proc_open, (int (*)(struct file * , fl_owner_t ))0, & single_release, (int (*)(struct file * , int ))0, (int (*)(struct kiocb * , int ))0, (int (*)(int , struct file * , int ))0, (int (*)(struct file * , int , struct file_lock * ))0, (ssize_t (*)(struct file * , struct page * , int , size_t , loff_t * , int ))0, (unsigned long (*)(struct file * , unsigned long , unsigned long , unsigned long , unsigned long ))0, (int (*)(int ))0, (int (*)(struct file * , int , struct file_lock * ))0, (ssize_t (*)(struct pipe_inode_info * , struct file * , loff_t * , size_t , unsigned int ))0, (ssize_t (*)(struct file * , loff_t * , struct pipe_inode_info * , size_t , unsigned int ))0, (int (*)(struct file * , long , struct file_lock ** ))0, (long (*)(struct file * , int , loff_t , loff_t ))0}; [L5748] static char *tty_driver_name = (char *)"synclink_gt"; [L5776] static int slgt_device_count ; [L14221] int LDV_IN_INTERRUPT ; [L5775] static struct slgt_info *slgt_device_list ; [L5807-L5810] static MGSL_PARAMS default_params = {2UL, (unsigned char)0, (unsigned short)1, (unsigned char)3, 0UL, (unsigned char)255, (unsigned short)1, (unsigned char)0, (unsigned char)0, 9600UL, (unsigned char)8, (unsigned char)1, (unsigned char)0}; [L5778] static int debug_level ; [L11815-L11816] static struct tty_port_operations const slgt_port_ops = {& carrier_raised, & dtr_rts, (void (*)(struct tty_port * ))0, (void (*)(struct tty_port * ))0, (int (*)(struct tty_port * , struct tty_struct * ))0, (void (*)(struct tty_port * ))0}; [L5777] static int ttymajor ; [L5747] static char *driver_name = (char *)"SyncLink GT"; [L5749] static char *tty_dev_prefix = (char *)"ttySLG"; [L5758-L5773] static struct pci_driver pci_driver = {{(struct list_head *)0, (struct list_head *)0}, "synclink_gt", (struct pci_device_id const *)(& pci_table), & init_one, & remove_one, (int (*)(struct pci_dev * , pm_message_t ))0, (int (*)(struct pci_dev * , pm_message_t ))0, (int (*)(struct pci_dev * ))0, (int (*)(struct pci_dev * ))0, (void (*)(struct pci_dev * ))0, (struct pci_error_handlers *)0, {(char const *)0, (struct bus_type *)0, (struct module *)0, (char const *)0, (_Bool)0, (struct of_device_id const *)0, (int (*)(struct device * ))0, (int (*)(struct device * ))0, (void (*)(struct device * ))0, (int (*)(struct device * , pm_message_t ))0, (int (*)(struct device * ))0, (struct attribute_group const **)0, (struct dev_pm_ops const *)0, (struct driver_private *)0}, {{{{{0U}, 0U, 0U, (void *)0, {(struct lock_class_key *)0, {(struct lock_class *)0, (struct lock_class *)0}, (char const *)0, 0, 0UL}}}}, {(struct list_head *)0, (struct list_head *)0}}}; [L5774] static bool pci_registered ; [L5780] static struct tty_driver *serial_driver ; [L12074-L12087] static struct tty_operations const ops = {(struct tty_struct *(*)(struct tty_driver * , struct inode * , int ))0, (int (*)(struct tty_driver * , struct tty_struct * ))0, (void (*)(struct tty_driver * , struct tty_struct * ))0, & open, & close, (void (*)(struct tty_struct * ))0, (void (*)(struct tty_struct * ))0, & write, & put_char, & flush_chars, & write_room, & chars_in_buffer, & ioctl, & slgt_compat_ioctl, & set_termios, & throttle, & unthrottle, & tx_hold, & tx_release, & hangup, & set_break, & flush_buffer, (void (*)(struct tty_struct * ))0, & wait_until_sent, & send_xchar, & tiocmget, & tiocmset, (int (*)(struct tty_struct * , struct winsize * ))0, (int (*)(struct tty_struct * , struct termiox * ))0, & get_icount, (int (*)(struct tty_driver * , int , char * ))0, (int (*)(struct tty_driver * , int ))0, (void (*)(struct tty_driver * , int , char ))0, & synclink_gt_proc_fops}; [L14627] int ldv_module_refcounter = 1; [L8109-L8142] static struct net_device_ops const hdlcdev_ops = {(int (*)(struct net_device * ))0, (void (*)(struct net_device * ))0, & hdlcdev_open, & hdlcdev_close, & hdlc_start_xmit, (u16 (*)(struct net_device * , struct sk_buff * ))0, (void (*)(struct net_device * , int ))0, (void (*)(struct net_device * ))0, (void (*)(struct net_device * ))0, (int (*)(struct net_device * , void * ))0, (int (*)(struct net_device * ))0, & hdlcdev_ioctl, (int (*)(struct net_device * , struct ifmap * ))0, & hdlc_change_mtu, (int (*)(struct net_device * , struct neigh_parms * ))0, & hdlcdev_tx_timeout, (struct rtnl_link_stats64 *(*)(struct net_device * , struct rtnl_link_stats64 * ))0, (struct net_device_stats *(*)(struct net_device * ))0, (void (*)(struct net_device * , struct vlan_group * ))0, (void (*)(struct net_device * , unsigned short ))0, (void (*)(struct net_device * , unsigned short ))0, (void (*)(struct net_device * ))0, (int (*)(struct net_device * , struct netpoll_info * ))0, (void (*)(struct net_device * ))0, (int (*)(struct net_device * , int , u8 * ))0, (int (*)(struct net_device * , int , u16 , u8 ))0, (int (*)(struct net_device * , int , int ))0, (int (*)(struct net_device * , int , struct ifla_vf_info * ))0, (int (*)(struct net_device * , int , struct nlattr ** ))0, (int (*)(struct net_device * , int , struct sk_buff * ))0, (int (*)(struct net_device * , u8 ))0, (int (*)(struct net_device * ))0, (int (*)(struct net_device * ))0, (int (*)(struct net_device * , u16 , struct scatterlist * , unsigned int ))0, (int (*)(struct net_device * , u16 ))0, (int (*)(struct net_device * , u16 , struct scatterlist * , unsigned int ))0, (int (*)(struct net_device * , u64 * , int ))0, (int (*)(struct net_device * , struct sk_buff const * , u16 , u32 ))0, (int (*)(struct net_device * , struct net_device * ))0, (int (*)(struct net_device * , struct net_device * ))0, (u32 (*)(struct net_device * , u32 ))0, (int (*)(struct net_device * , u32 ))0}; [L5750-L5754] static struct pci_device_id pci_table[5U] = { {5056U, 112U, 4294967295U, 4294967295U, 0U, 0U, 0UL}, {5056U, 160U, 4294967295U, 4294967295U, 0U, 0U, 0UL}, {5056U, 128U, 4294967295U, 4294967295U, 0U, 0U, 0UL}, {5056U, 144U, 4294967295U, 4294967295U, 0U, 0U, 0UL}, {0U, 0U, 0U, 0U, 0U, 0U, 0UL}}; [L5779] static int maxframe[32U] ; [L5755] struct pci_device_id const __mod_pci_device_table ; VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={0:-9223372036854775680}, debug_level=0, default_params={191:0}, driver_name={8:0}, hdlcdev_ops={195:0}, LDV_IN_INTERRUPT=0, ldv_module_refcounter=1, maxframe={197:0}, ops={194:0}, pci_driver={193:0}, pci_registered=0, pci_table={196:0}, serial_driver={0:0}, slgt_device_count=0, slgt_device_list={0:0}, slgt_port_ops={192:0}, synclink_gt_proc_fops={190:0}, tty_dev_prefix={10:0}, tty_driver_name={9:0}, ttymajor=0] [L14223] struct pci_dev *var_group1 ; [L14224] struct pci_device_id const *var_init_one_102_p1 ; [L14225] int res_init_one_102 ; [L14226] struct inode *var_group2 ; [L14227] struct file *var_group3 ; [L14228] int res_synclink_gt_proc_open_26 ; [L14229] struct net_device *var_group4 ; [L14230] int res_hdlcdev_open_33 ; [L14231] int res_hdlcdev_close_34 ; [L14232] struct ifreq *var_group5 ; [L14233] int var_hdlcdev_ioctl_35_p2 ; [L14234] struct tty_port *var_group6 ; [L14235] int var_dtr_rts_87_p1 ; [L14236] struct tty_struct *var_group7 ; [L14237] int res_open_5 ; [L14238] unsigned char const *var_write_10_p1 ; [L14239] int var_write_10_p2 ; [L14240] unsigned char var_put_char_11_p1 ; [L14241] unsigned int var_ioctl_19_p1 ; [L14242] unsigned long var_ioctl_19_p2 ; [L14243] unsigned int var_slgt_compat_ioctl_23_p1 ; [L14244] unsigned long var_slgt_compat_ioctl_23_p2 ; [L14245] char var_send_xchar_12_p1 ; [L14246] int var_set_break_30_p1 ; [L14247] int var_wait_until_sent_13_p1 ; [L14248] struct ktermios *var_group8 ; [L14249] unsigned int var_tiocmset_85_p1 ; [L14250] unsigned int var_tiocmset_85_p2 ; [L14251] struct serial_icounter_struct *var_group9 ; [L14252] int var_slgt_interrupt_56_p0 ; [L14253] void *var_slgt_interrupt_56_p1 ; [L14254] int ldv_s_pci_driver_pci_driver ; [L14255] int ldv_s_synclink_gt_proc_fops_file_operations ; [L14256] int ldv_s_hdlcdev_ops_net_device_ops ; [L14257] int ldv_s_ops_tty_operations ; [L14258] int tmp ; [L14259] int tmp___0 ; [L14260] int tmp___1 ; [L14263] ldv_s_pci_driver_pci_driver = 0 [L14264] ldv_s_synclink_gt_proc_fops_file_operations = 0 [L14265] ldv_s_hdlcdev_ops_net_device_ops = 0 [L14266] ldv_s_ops_tty_operations = 0 [L14267] LDV_IN_INTERRUPT = 1 [L14268] FCALL ldv_initialize() [L14269] CALL, EXPR slgt_init() [L12178] int rc ; [L12182] CALL, EXPR alloc_tty_driver(32) [L14781] CALL, EXPR ldv_malloc(sizeof(struct tty_driver)) VAL [\old(size)=281, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={0:-9223372036854775680}, debug_level=0, default_params={191:0}, driver_name={8:0}, hdlcdev_ops={195:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, maxframe={197:0}, ops={194:0}, pci_driver={193:0}, pci_registered=0, pci_table={196:0}, serial_driver={0:0}, slgt_device_count=0, slgt_device_list={0:0}, slgt_port_ops={192:0}, synclink_gt_proc_fops={190:0}, tty_dev_prefix={10:0}, tty_driver_name={9:0}, ttymajor=0] [L14728] COND FALSE !(__VERIFIER_nondet_bool()) [L14729] return malloc(size); [L14781] RET, EXPR ldv_malloc(sizeof(struct tty_driver)) VAL [\old(arg0)=null, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={0:-9223372036854775680}, arg0=null, debug_level=0, default_params={191:0}, driver_name={8:0}, hdlcdev_ops={195:0}, LDV_IN_INTERRUPT=1, ldv_malloc(sizeof(struct tty_driver))={134217728:0}, ldv_module_refcounter=1, maxframe={197:0}, ops={194:0}, pci_driver={193:0}, pci_registered=0, pci_table={196:0}, serial_driver={0:0}, slgt_device_count=0, slgt_device_list={0:0}, slgt_port_ops={192:0}, synclink_gt_proc_fops={190:0}, tty_dev_prefix={10:0}, tty_driver_name={9:0}, ttymajor=0] [L14781] return ldv_malloc(sizeof(struct tty_driver)); [L12182] RET, EXPR alloc_tty_driver(32) [L12182] serial_driver = alloc_tty_driver(32) [L12184] COND FALSE !((unsigned long )serial_driver == (unsigned long )((struct tty_driver *)0)) [L12192] serial_driver->owner = & __this_module [L12193] serial_driver->driver_name = (char const *)tty_driver_name [L12194] serial_driver->name = (char const *)tty_dev_prefix [L12195] serial_driver->major = ttymajor [L12196] serial_driver->minor_start = 64 [L12197] serial_driver->type = (short)3 [L12198] serial_driver->subtype = (short)1 [L12199] serial_driver->init_termios = tty_std_termios [L12200] serial_driver->init_termios.c_cflag = 3261U [L12201] serial_driver->init_termios.c_ispeed = 9600U [L12202] serial_driver->init_termios.c_ospeed = 9600U [L12203] serial_driver->flags = 12 [L12204] FCALL tty_set_operations(serial_driver, & ops) [L12205] CALL, EXPR tty_register_driver(serial_driver) [L14995] return __VERIFIER_nondet_int(); [L12205] RET, EXPR tty_register_driver(serial_driver) [L12205] rc = tty_register_driver(serial_driver) [L12207] COND FALSE !(rc < 0) [L12222] serial_driver->major [L12223] slgt_device_count = 0 [L12224] CALL, EXPR __pci_register_driver(& pci_driver, & __this_module, "synclink_gt") [L14739] return __VERIFIER_nondet_int(); [L12224] RET, EXPR __pci_register_driver(& pci_driver, & __this_module, "synclink_gt") [L12224] rc = __pci_register_driver(& pci_driver, & __this_module, "synclink_gt") [L12226] COND FALSE !(rc < 0) [L12233] pci_registered = (bool )1 VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={0:-9223372036854775680}, debug_level=0, default_params={191:0}, driver_name={8:0}, hdlcdev_ops={195:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, maxframe={197:0}, ops={194:0}, pci_driver={193:0}, pci_registered=1, pci_table={196:0}, rc=0, serial_driver={134217728:0}, slgt_device_count=0, slgt_device_list={0:0}, slgt_port_ops={192:0}, synclink_gt_proc_fops={190:0}, tty_dev_prefix={10:0}, tty_driver_name={9:0}, tty_std_termios={0:0}, ttymajor=0] [L12234] COND TRUE (unsigned long )slgt_device_list == (unsigned long )((struct slgt_info *)0) [L12240] return (0); VAL [\result=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={0:-9223372036854775680}, debug_level=0, default_params={191:0}, driver_name={8:0}, hdlcdev_ops={195:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, maxframe={197:0}, ops={194:0}, pci_driver={193:0}, pci_registered=1, pci_table={196:0}, rc=0, serial_driver={134217728:0}, slgt_device_count=0, slgt_device_list={0:0}, slgt_port_ops={192:0}, synclink_gt_proc_fops={190:0}, tty_dev_prefix={10:0}, tty_driver_name={9:0}, tty_std_termios={0:0}, ttymajor=0] [L14269] RET, EXPR slgt_init() [L14269] tmp = slgt_init() [L14271] COND FALSE !(tmp != 0) VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={0:-9223372036854775680}, debug_level=0, default_params={191:0}, driver_name={8:0}, hdlcdev_ops={195:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_s_hdlcdev_ops_net_device_ops=0, ldv_s_ops_tty_operations=0, ldv_s_pci_driver_pci_driver=0, ldv_s_synclink_gt_proc_fops_file_operations=0, maxframe={197:0}, ops={194:0}, pci_driver={193:0}, pci_registered=1, pci_table={196:0}, serial_driver={134217728:0}, slgt_device_count=0, slgt_device_list={0:0}, slgt_port_ops={192:0}, synclink_gt_proc_fops={190:0}, tmp=0, tty_dev_prefix={10:0}, tty_driver_name={9:0}, tty_std_termios={0:0}, ttymajor=0] [L14589] tmp___1 = __VERIFIER_nondet_int() [L14591] COND TRUE tmp___1 != 0 VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={0:-9223372036854775680}, debug_level=0, default_params={191:0}, driver_name={8:0}, hdlcdev_ops={195:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_s_hdlcdev_ops_net_device_ops=0, ldv_s_ops_tty_operations=0, ldv_s_pci_driver_pci_driver=0, ldv_s_synclink_gt_proc_fops_file_operations=0, maxframe={197:0}, ops={194:0}, pci_driver={193:0}, pci_registered=1, pci_table={196:0}, serial_driver={134217728:0}, slgt_device_count=0, slgt_device_list={0:0}, slgt_port_ops={192:0}, synclink_gt_proc_fops={190:0}, tmp=0, tmp___1=2147483648, tty_dev_prefix={10:0}, tty_driver_name={9:0}, tty_std_termios={0:0}, ttymajor=0] [L14278] tmp___0 = __VERIFIER_nondet_int() [L14280] COND FALSE !(tmp___0 == 0) VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={0:-9223372036854775680}, debug_level=0, default_params={191:0}, driver_name={8:0}, hdlcdev_ops={195:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_s_hdlcdev_ops_net_device_ops=0, ldv_s_ops_tty_operations=0, ldv_s_pci_driver_pci_driver=0, ldv_s_synclink_gt_proc_fops_file_operations=0, maxframe={197:0}, ops={194:0}, pci_driver={193:0}, pci_registered=1, pci_table={196:0}, serial_driver={134217728:0}, slgt_device_count=0, slgt_device_list={0:0}, slgt_port_ops={192:0}, synclink_gt_proc_fops={190:0}, tmp=0, tmp___0=2, tmp___1=2147483648, tty_dev_prefix={10:0}, tty_driver_name={9:0}, tty_std_termios={0:0}, ttymajor=0] [L14283] COND FALSE !(tmp___0 == 1) VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={0:-9223372036854775680}, debug_level=0, default_params={191:0}, driver_name={8:0}, hdlcdev_ops={195:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_s_hdlcdev_ops_net_device_ops=0, ldv_s_ops_tty_operations=0, ldv_s_pci_driver_pci_driver=0, ldv_s_synclink_gt_proc_fops_file_operations=0, maxframe={197:0}, ops={194:0}, pci_driver={193:0}, pci_registered=1, pci_table={196:0}, serial_driver={134217728:0}, slgt_device_count=0, slgt_device_list={0:0}, slgt_port_ops={192:0}, synclink_gt_proc_fops={190:0}, tmp=0, tmp___0=2, tmp___1=2147483648, tty_dev_prefix={10:0}, tty_driver_name={9:0}, tty_std_termios={0:0}, ttymajor=0] [L14286] COND TRUE tmp___0 == 2 VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={0:-9223372036854775680}, debug_level=0, default_params={191:0}, driver_name={8:0}, hdlcdev_ops={195:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_s_hdlcdev_ops_net_device_ops=0, ldv_s_ops_tty_operations=0, ldv_s_pci_driver_pci_driver=0, ldv_s_synclink_gt_proc_fops_file_operations=0, maxframe={197:0}, ops={194:0}, pci_driver={193:0}, pci_registered=1, pci_table={196:0}, serial_driver={134217728:0}, slgt_device_count=0, slgt_device_list={0:0}, slgt_port_ops={192:0}, synclink_gt_proc_fops={190:0}, tmp=0, tmp___0=2, tmp___1=2147483648, tty_dev_prefix={10:0}, tty_driver_name={9:0}, tty_std_termios={0:0}, ttymajor=0] [L14404] COND TRUE ldv_s_hdlcdev_ops_net_device_ops == 0 [L14406] CALL, EXPR hdlcdev_open(var_group4) [L7718] struct slgt_info *info ; [L7719] struct hdlc_device *tmp ; [L7720] int rc ; [L7721] unsigned long flags ; [L7722] int tmp___0 ; [L7723] raw_spinlock_t *tmp___1 ; [L7724] raw_spinlock_t *tmp___2 ; [L7725] raw_spinlock_t *tmp___3 ; VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={0:-9223372036854775680}, debug_level=0, default_params={191:0}, dev={8:35184372088832}, dev={8:35184372088832}, driver_name={8:0}, hdlcdev_ops={195:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, maxframe={197:0}, ops={194:0}, pci_driver={193:0}, pci_registered=1, pci_table={196:0}, serial_driver={134217728:0}, slgt_device_count=0, slgt_device_list={0:0}, slgt_port_ops={192:0}, synclink_gt_proc_fops={190:0}, tty_dev_prefix={10:0}, tty_driver_name={9:0}, tty_std_termios={0:0}, ttymajor=0] [L7728] CALL, EXPR dev_to_hdlc(dev) VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={0:-9223372036854775680}, debug_level=0, default_params={191:0}, driver_name={8:0}, hdlcdev_ops={195:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, maxframe={197:0}, ops={194:0}, pci_driver={193:0}, pci_registered=1, pci_table={196:0}, serial_driver={134217728:0}, slgt_device_count=0, slgt_device_list={0:0}, slgt_port_ops={192:0}, synclink_gt_proc_fops={190:0}, tty_dev_prefix={10:0}, tty_driver_name={9:0}, tty_std_termios={0:0}, ttymajor=0] [L5713] void *tmp ; [L5716] CALL, EXPR netdev_priv((struct net_device const *)dev) [L5583] return ((void *)dev + 2560U); VAL [\result={8:35184372091392}, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={0:-9223372036854775680}, debug_level=0, default_params={191:0}, dev={8:35184372088832}, dev={8:35184372088832}, driver_name={8:0}, hdlcdev_ops={195:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, maxframe={197:0}, ops={194:0}, pci_driver={193:0}, pci_registered=1, pci_table={196:0}, serial_driver={134217728:0}, slgt_device_count=0, slgt_device_list={0:0}, slgt_port_ops={192:0}, synclink_gt_proc_fops={190:0}, tty_dev_prefix={10:0}, tty_driver_name={9:0}, tty_std_termios={0:0}, ttymajor=0] [L5716] RET, EXPR netdev_priv((struct net_device const *)dev) [L5716] tmp = netdev_priv((struct net_device const *)dev) [L5718] return ((struct hdlc_device *)tmp); VAL [\result={8:35184372091392}, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={0:-9223372036854775680}, debug_level=0, default_params={191:0}, dev={8:35184372088832}, dev={8:35184372088832}, driver_name={8:0}, hdlcdev_ops={195:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, maxframe={197:0}, ops={194:0}, pci_driver={193:0}, pci_registered=1, pci_table={196:0}, serial_driver={134217728:0}, slgt_device_count=0, slgt_device_list={0:0}, slgt_port_ops={192:0}, synclink_gt_proc_fops={190:0}, tmp={8:35184372091392}, tty_dev_prefix={10:0}, tty_driver_name={9:0}, tty_std_termios={0:0}, ttymajor=0] [L7728] RET, EXPR dev_to_hdlc(dev) VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={0:-9223372036854775680}, debug_level=0, default_params={191:0}, dev={8:35184372088832}, dev={8:35184372088832}, dev_to_hdlc(dev)={8:35184372091392}, driver_name={8:0}, hdlcdev_ops={195:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, maxframe={197:0}, ops={194:0}, pci_driver={193:0}, pci_registered=1, pci_table={196:0}, serial_driver={134217728:0}, slgt_device_count=0, slgt_device_list={0:0}, slgt_port_ops={192:0}, synclink_gt_proc_fops={190:0}, tty_dev_prefix={10:0}, tty_driver_name={9:0}, tty_std_termios={0:0}, ttymajor=0] [L7728] tmp = dev_to_hdlc(dev) [L7729] EXPR tmp->priv [L7729] info = (struct slgt_info *)tmp->priv [L7730] CALL, EXPR ldv_try_module_get_1(& __this_module) [L14701] int tmp ; [L14704] CALL, EXPR ldv_try_module_get(module) [L14639] int module_get_succeeded ; VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={0:-9223372036854775680}, debug_level=0, default_params={191:0}, driver_name={8:0}, hdlcdev_ops={195:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, maxframe={197:0}, module={0:-9223372036854775680}, module={0:-9223372036854775680}, ops={194:0}, pci_driver={193:0}, pci_registered=1, pci_table={196:0}, serial_driver={134217728:0}, slgt_device_count=0, slgt_device_list={0:0}, slgt_port_ops={192:0}, synclink_gt_proc_fops={190:0}, tty_dev_prefix={10:0}, tty_driver_name={9:0}, tty_std_termios={0:0}, ttymajor=0] [L14641] COND TRUE (unsigned long )module != (unsigned long )((struct module *)0) [L14643] CALL, EXPR ldv_undefined_int() [L14851] return __VERIFIER_nondet_int(); [L14643] RET, EXPR ldv_undefined_int() [L14643] module_get_succeeded = ldv_undefined_int() [L14645] COND TRUE module_get_succeeded == 1 [L14646] ldv_module_refcounter = ldv_module_refcounter + 1 [L14647] return (1); VAL [\result=1, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={0:-9223372036854775680}, debug_level=0, default_params={191:0}, driver_name={8:0}, hdlcdev_ops={195:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, maxframe={197:0}, module={0:-9223372036854775680}, module={0:-9223372036854775680}, module_get_succeeded=1, ops={194:0}, pci_driver={193:0}, pci_registered=1, pci_table={196:0}, serial_driver={134217728:0}, slgt_device_count=0, slgt_device_list={0:0}, slgt_port_ops={192:0}, synclink_gt_proc_fops={190:0}, tty_dev_prefix={10:0}, tty_driver_name={9:0}, tty_std_termios={0:0}, ttymajor=0] [L14704] RET, EXPR ldv_try_module_get(module) [L14704] tmp = ldv_try_module_get(module) [L14706] return (tmp); VAL [\result=1, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={0:-9223372036854775680}, debug_level=0, default_params={191:0}, driver_name={8:0}, hdlcdev_ops={195:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, maxframe={197:0}, module={0:-9223372036854775680}, module={0:-9223372036854775680}, ops={194:0}, pci_driver={193:0}, pci_registered=1, pci_table={196:0}, serial_driver={134217728:0}, slgt_device_count=0, slgt_device_list={0:0}, slgt_port_ops={192:0}, synclink_gt_proc_fops={190:0}, tmp=1, tty_dev_prefix={10:0}, tty_driver_name={9:0}, tty_std_termios={0:0}, ttymajor=0] [L7730] RET, EXPR ldv_try_module_get_1(& __this_module) [L7730] tmp___0 = ldv_try_module_get_1(& __this_module) [L7732] COND FALSE !(tmp___0 == 0) VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={0:-9223372036854775680}, debug_level=0, default_params={191:0}, dev={8:35184372088832}, dev={8:35184372088832}, driver_name={8:0}, hdlcdev_ops={195:0}, info={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, maxframe={197:0}, ops={194:0}, pci_driver={193:0}, pci_registered=1, pci_table={196:0}, serial_driver={134217728:0}, slgt_device_count=0, slgt_device_list={0:0}, slgt_port_ops={192:0}, synclink_gt_proc_fops={190:0}, tmp={8:35184372091392}, tmp___0=1, tty_dev_prefix={10:0}, tty_driver_name={9:0}, tty_std_termios={0:0}, ttymajor=0] [L7736] COND FALSE !(debug_level > 2) VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={0:-9223372036854775680}, debug_level=0, default_params={191:0}, dev={8:35184372088832}, dev={8:35184372088832}, driver_name={8:0}, hdlcdev_ops={195:0}, info={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, maxframe={197:0}, ops={194:0}, pci_driver={193:0}, pci_registered=1, pci_table={196:0}, serial_driver={134217728:0}, slgt_device_count=0, slgt_device_list={0:0}, slgt_port_ops={192:0}, synclink_gt_proc_fops={190:0}, tmp={8:35184372091392}, tmp___0=1, tty_dev_prefix={10:0}, tty_driver_name={9:0}, tty_std_termios={0:0}, ttymajor=0] [L7743] CALL, EXPR hdlc_open(dev) [L14825] return __VERIFIER_nondet_int(); [L7743] RET, EXPR hdlc_open(dev) [L7743] rc = hdlc_open(dev) [L7745] COND TRUE rc != 0 [L7746] return (rc); VAL [\result=-2147483648, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={0:-9223372036854775680}, debug_level=0, default_params={191:0}, dev={8:35184372088832}, dev={8:35184372088832}, driver_name={8:0}, hdlcdev_ops={195:0}, info={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, maxframe={197:0}, ops={194:0}, pci_driver={193:0}, pci_registered=1, pci_table={196:0}, rc=2147483648, serial_driver={134217728:0}, slgt_device_count=0, slgt_device_list={0:0}, slgt_port_ops={192:0}, synclink_gt_proc_fops={190:0}, tmp={8:35184372091392}, tmp___0=1, tty_dev_prefix={10:0}, tty_driver_name={9:0}, tty_std_termios={0:0}, ttymajor=0] [L14406] RET, EXPR hdlcdev_open(var_group4) [L14406] res_hdlcdev_open_33 = hdlcdev_open(var_group4) [L14407] FCALL ldv_check_return_value(res_hdlcdev_open_33) VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={0:-9223372036854775680}, debug_level=0, default_params={191:0}, driver_name={8:0}, hdlcdev_ops={195:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, ldv_s_hdlcdev_ops_net_device_ops=0, ldv_s_ops_tty_operations=0, ldv_s_pci_driver_pci_driver=0, ldv_s_synclink_gt_proc_fops_file_operations=0, maxframe={197:0}, ops={194:0}, pci_driver={193:0}, pci_registered=1, pci_table={196:0}, res_hdlcdev_open_33=2147483648, serial_driver={134217728:0}, slgt_device_count=0, slgt_device_list={0:0}, slgt_port_ops={192:0}, synclink_gt_proc_fops={190:0}, tmp=0, tmp___0=2, tmp___1=2147483648, tty_dev_prefix={10:0}, tty_driver_name={9:0}, tty_std_termios={0:0}, ttymajor=0, var_group4={8:35184372088832}] [L14409] COND TRUE res_hdlcdev_open_33 < 0 VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={0:-9223372036854775680}, debug_level=0, default_params={191:0}, driver_name={8:0}, hdlcdev_ops={195:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, ldv_s_hdlcdev_ops_net_device_ops=0, ldv_s_ops_tty_operations=0, ldv_s_pci_driver_pci_driver=0, ldv_s_synclink_gt_proc_fops_file_operations=0, maxframe={197:0}, ops={194:0}, pci_driver={193:0}, pci_registered=1, pci_table={196:0}, res_hdlcdev_open_33=2147483648, serial_driver={134217728:0}, slgt_device_count=0, slgt_device_list={0:0}, slgt_port_ops={192:0}, synclink_gt_proc_fops={190:0}, tmp=0, tmp___0=2, tmp___1=2147483648, tty_dev_prefix={10:0}, tty_driver_name={9:0}, tty_std_termios={0:0}, ttymajor=0, var_group4={8:35184372088832}] [L14611] CALL slgt_exit() [L12252] CALL slgt_cleanup() VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={0:-9223372036854775680}, debug_level=0, default_params={191:0}, driver_name={8:0}, hdlcdev_ops={195:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, maxframe={197:0}, ops={194:0}, pci_driver={193:0}, pci_registered=1, pci_table={196:0}, serial_driver={134217728:0}, slgt_device_count=0, slgt_device_list={0:0}, slgt_port_ops={192:0}, synclink_gt_proc_fops={190:0}, tty_dev_prefix={10:0}, tty_driver_name={9:0}, tty_std_termios={0:0}, ttymajor=0] [L12089] int rc ; [L12090] struct slgt_info *info ; [L12091] struct slgt_info *tmp ; [L12096] COND TRUE (unsigned long )serial_driver != (unsigned long )((struct tty_driver *)0) [L12097] info = slgt_device_list VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={0:-9223372036854775680}, debug_level=0, default_params={191:0}, driver_name={8:0}, hdlcdev_ops={195:0}, info={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, maxframe={197:0}, ops={194:0}, pci_driver={193:0}, pci_registered=1, pci_table={196:0}, serial_driver={134217728:0}, slgt_device_count=0, slgt_device_list={0:0}, slgt_port_ops={192:0}, synclink_gt_proc_fops={190:0}, tty_dev_prefix={10:0}, tty_driver_name={9:0}, tty_std_termios={0:0}, ttymajor=0] [L12105] COND FALSE !((unsigned long )info != (unsigned long )((struct slgt_info *)0)) VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={0:-9223372036854775680}, debug_level=0, default_params={191:0}, driver_name={8:0}, hdlcdev_ops={195:0}, info={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, maxframe={197:0}, ops={194:0}, pci_driver={193:0}, pci_registered=1, pci_table={196:0}, serial_driver={134217728:0}, slgt_device_count=0, slgt_device_list={0:0}, slgt_port_ops={192:0}, synclink_gt_proc_fops={190:0}, tty_dev_prefix={10:0}, tty_driver_name={9:0}, tty_std_termios={0:0}, ttymajor=0] [L12112] CALL, EXPR tty_unregister_driver(serial_driver) [L15008] return __VERIFIER_nondet_int(); [L12112] RET, EXPR tty_unregister_driver(serial_driver) [L12112] rc = tty_unregister_driver(serial_driver) [L12114] COND FALSE !(rc != 0) VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={0:-9223372036854775680}, debug_level=0, default_params={191:0}, driver_name={8:0}, hdlcdev_ops={195:0}, info={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, maxframe={197:0}, ops={194:0}, pci_driver={193:0}, pci_registered=1, pci_table={196:0}, rc=0, serial_driver={134217728:0}, slgt_device_count=0, slgt_device_list={0:0}, slgt_port_ops={192:0}, synclink_gt_proc_fops={190:0}, tty_dev_prefix={10:0}, tty_driver_name={9:0}, tty_std_termios={0:0}, ttymajor=0] [L12124] FCALL put_tty_driver(serial_driver) VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={0:-9223372036854775680}, debug_level=0, default_params={191:0}, driver_name={8:0}, hdlcdev_ops={195:0}, info={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, maxframe={197:0}, ops={194:0}, pci_driver={193:0}, pci_registered=1, pci_table={196:0}, rc=0, serial_driver={134217728:0}, slgt_device_count=0, slgt_device_list={0:0}, slgt_port_ops={192:0}, synclink_gt_proc_fops={190:0}, tty_dev_prefix={10:0}, tty_driver_name={9:0}, tty_std_termios={0:0}, ttymajor=0] [L12128] info = slgt_device_list VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={0:-9223372036854775680}, debug_level=0, default_params={191:0}, driver_name={8:0}, hdlcdev_ops={195:0}, info={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, maxframe={197:0}, ops={194:0}, pci_driver={193:0}, pci_registered=1, pci_table={196:0}, rc=0, serial_driver={134217728:0}, slgt_device_count=0, slgt_device_list={0:0}, slgt_port_ops={192:0}, synclink_gt_proc_fops={190:0}, tty_dev_prefix={10:0}, tty_driver_name={9:0}, tty_std_termios={0:0}, ttymajor=0] [L12136] COND FALSE !((unsigned long )info != (unsigned long )((struct slgt_info *)0)) VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={0:-9223372036854775680}, debug_level=0, default_params={191:0}, driver_name={8:0}, hdlcdev_ops={195:0}, info={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, maxframe={197:0}, ops={194:0}, pci_driver={193:0}, pci_registered=1, pci_table={196:0}, rc=0, serial_driver={134217728:0}, slgt_device_count=0, slgt_device_list={0:0}, slgt_port_ops={192:0}, synclink_gt_proc_fops={190:0}, tty_dev_prefix={10:0}, tty_driver_name={9:0}, tty_std_termios={0:0}, ttymajor=0] [L12142] info = slgt_device_list VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={0:-9223372036854775680}, debug_level=0, default_params={191:0}, driver_name={8:0}, hdlcdev_ops={195:0}, info={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, maxframe={197:0}, ops={194:0}, pci_driver={193:0}, pci_registered=1, pci_table={196:0}, rc=0, serial_driver={134217728:0}, slgt_device_count=0, slgt_device_list={0:0}, slgt_port_ops={192:0}, synclink_gt_proc_fops={190:0}, tty_dev_prefix={10:0}, tty_driver_name={9:0}, tty_std_termios={0:0}, ttymajor=0] [L12162] COND FALSE !((unsigned long )info != (unsigned long )((struct slgt_info *)0)) VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={0:-9223372036854775680}, debug_level=0, default_params={191:0}, driver_name={8:0}, hdlcdev_ops={195:0}, info={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, maxframe={197:0}, ops={194:0}, pci_driver={193:0}, pci_registered=1, pci_table={196:0}, rc=0, serial_driver={134217728:0}, slgt_device_count=0, slgt_device_list={0:0}, slgt_port_ops={192:0}, synclink_gt_proc_fops={190:0}, tty_dev_prefix={10:0}, tty_driver_name={9:0}, tty_std_termios={0:0}, ttymajor=0] [L12168] COND TRUE (int )pci_registered [L12170] FCALL pci_unregister_driver(& pci_driver) [L12252] RET slgt_cleanup() VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={0:-9223372036854775680}, debug_level=0, default_params={191:0}, driver_name={8:0}, hdlcdev_ops={195:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, maxframe={197:0}, ops={194:0}, pci_driver={193:0}, pci_registered=1, pci_table={196:0}, serial_driver={134217728:0}, slgt_device_count=0, slgt_device_list={0:0}, slgt_port_ops={192:0}, synclink_gt_proc_fops={190:0}, tty_dev_prefix={10:0}, tty_driver_name={9:0}, tty_std_termios={0:0}, ttymajor=0] [L14611] RET slgt_exit() [L14615] CALL ldv_check_final_state() [L14691] COND TRUE ldv_module_refcounter != 1 VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={0:-9223372036854775680}, debug_level=0, default_params={191:0}, driver_name={8:0}, hdlcdev_ops={195:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, maxframe={197:0}, ops={194:0}, pci_driver={193:0}, pci_registered=1, pci_table={196:0}, serial_driver={134217728:0}, slgt_device_count=0, slgt_device_list={0:0}, slgt_port_ops={192:0}, synclink_gt_proc_fops={190:0}, tty_dev_prefix={10:0}, tty_driver_name={9:0}, tty_std_termios={0:0}, ttymajor=0] [L14693] CALL ldv_blast_assert() VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={0:-9223372036854775680}, debug_level=0, default_params={191:0}, driver_name={8:0}, hdlcdev_ops={195:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, maxframe={197:0}, ops={194:0}, pci_driver={193:0}, pci_registered=1, pci_table={196:0}, serial_driver={134217728:0}, slgt_device_count=0, slgt_device_list={0:0}, slgt_port_ops={192:0}, synclink_gt_proc_fops={190:0}, tty_dev_prefix={10:0}, tty_driver_name={9:0}, tty_std_termios={0:0}, ttymajor=0] [L14623] reach_error() VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={0:-9223372036854775680}, debug_level=0, default_params={191:0}, driver_name={8:0}, hdlcdev_ops={195:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, maxframe={197:0}, ops={194:0}, pci_driver={193:0}, pci_registered=1, pci_table={196:0}, serial_driver={134217728:0}, slgt_device_count=0, slgt_device_list={0:0}, slgt_port_ops={192:0}, synclink_gt_proc_fops={190:0}, tty_dev_prefix={10:0}, tty_driver_name={9:0}, tty_std_termios={0:0}, ttymajor=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 99 procedures, 2733 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 158.3s, OverallIterations: 9, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 16.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 1 mSolverCounterUnknown, 24358 SdHoareTripleChecker+Valid, 7.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 24088 mSDsluCounter, 104739 SdHoareTripleChecker+Invalid, 7.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 63665 mSDsCounter, 908 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 181 IncrementalHoareTripleChecker+Invalid, 1090 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 908 mSolverCounterUnsat, 41074 mSDtfsCounter, 181 mSolverCounterSat, 0.6s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 473 GetRequests, 453 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 2.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=21824occurred in iteration=8, InterpolantAutomatonStates: 31, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 8.3s AutomataMinimizationTime, 8 MinimizatonAttempts, 2145 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.9s SsaConstructionTime, 85.8s SatisfiabilityAnalysisTime, 8.7s InterpolantComputationTime, 547 NumberOfCodeBlocks, 547 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 465 ConstructedInterpolants, 0 QuantifiedInterpolants, 969 SizeOfPredicates, 9 NumberOfNonLiveVariables, 15702 ConjunctsInSsa, 27 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 0/0 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 [2022-11-19 07:46:38,867 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974c5909-fa73-4d9d-8ce7-9526013fed70/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process [2022-11-19 07:46:38,887 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974c5909-fa73-4d9d-8ce7-9526013fed70/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample