./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 5e519f3a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0151bbe-fa57-4089-a63c-0e4900af3372/bin/utaipan-7li7fVZpFI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0151bbe-fa57-4089-a63c-0e4900af3372/bin/utaipan-7li7fVZpFI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0151bbe-fa57-4089-a63c-0e4900af3372/bin/utaipan-7li7fVZpFI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0151bbe-fa57-4089-a63c-0e4900af3372/bin/utaipan-7li7fVZpFI/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_b0151bbe-fa57-4089-a63c-0e4900af3372/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0151bbe-fa57-4089-a63c-0e4900af3372/bin/utaipan-7li7fVZpFI --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-5e519f3 [2022-11-03 01:45:17,937 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-03 01:45:17,940 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-03 01:45:17,990 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-03 01:45:17,991 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-03 01:45:17,995 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-03 01:45:17,998 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-03 01:45:18,003 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-03 01:45:18,007 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-03 01:45:18,016 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-03 01:45:18,017 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-03 01:45:18,018 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-03 01:45:18,019 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-03 01:45:18,020 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-03 01:45:18,022 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-03 01:45:18,023 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-03 01:45:18,024 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-03 01:45:18,025 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-03 01:45:18,027 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-03 01:45:18,041 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-03 01:45:18,043 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-03 01:45:18,045 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-03 01:45:18,049 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-03 01:45:18,050 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-03 01:45:18,057 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-03 01:45:18,061 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-03 01:45:18,062 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-03 01:45:18,064 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-03 01:45:18,064 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-03 01:45:18,066 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-03 01:45:18,066 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-03 01:45:18,067 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-03 01:45:18,070 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-03 01:45:18,071 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-03 01:45:18,072 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-03 01:45:18,073 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-03 01:45:18,073 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-03 01:45:18,074 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-03 01:45:18,074 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-03 01:45:18,075 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-03 01:45:18,078 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-03 01:45:18,079 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0151bbe-fa57-4089-a63c-0e4900af3372/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-03 01:45:18,124 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-03 01:45:18,124 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-03 01:45:18,125 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-03 01:45:18,125 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-03 01:45:18,126 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-03 01:45:18,127 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-03 01:45:18,127 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-03 01:45:18,127 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-03 01:45:18,128 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-03 01:45:18,128 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-03 01:45:18,129 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-03 01:45:18,129 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-03 01:45:18,130 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-03 01:45:18,130 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-03 01:45:18,130 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-03 01:45:18,130 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-03 01:45:18,131 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-03 01:45:18,131 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-03 01:45:18,132 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-03 01:45:18,132 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-03 01:45:18,132 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-03 01:45:18,132 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-03 01:45:18,133 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-03 01:45:18,134 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-03 01:45:18,135 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-03 01:45:18,135 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-03 01:45:18,135 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-03 01:45:18,136 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-03 01:45:18,136 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-03 01:45:18,136 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 01:45:18,137 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-03 01:45:18,137 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-03 01:45:18,137 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-03 01:45:18,137 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-03 01:45:18,138 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-03 01:45:18,138 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-03 01:45:18,138 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-03 01:45:18,138 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-03 01:45:18,139 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_b0151bbe-fa57-4089-a63c-0e4900af3372/bin/utaipan-7li7fVZpFI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0151bbe-fa57-4089-a63c-0e4900af3372/bin/utaipan-7li7fVZpFI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 549d105dbd2b95e1c241c01b48dc69ec107f34e0fb82917a92dcec665dfc2efc [2022-11-03 01:45:18,417 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-03 01:45:18,468 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-03 01:45:18,473 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-03 01:45:18,475 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-03 01:45:18,476 INFO L275 PluginConnector]: CDTParser initialized [2022-11-03 01:45:18,478 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0151bbe-fa57-4089-a63c-0e4900af3372/bin/utaipan-7li7fVZpFI/../../sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-tty-synclink_gt.ko.cil.out.i [2022-11-03 01:45:18,580 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0151bbe-fa57-4089-a63c-0e4900af3372/bin/utaipan-7li7fVZpFI/data/451ee65b1/f6b86ad1d1ff4a54b743b0144cf674c0/FLAGe2bfad5a3 [2022-11-03 01:45:19,822 INFO L306 CDTParser]: Found 1 translation units. [2022-11-03 01:45:19,824 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0151bbe-fa57-4089-a63c-0e4900af3372/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-tty-synclink_gt.ko.cil.out.i [2022-11-03 01:45:19,909 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0151bbe-fa57-4089-a63c-0e4900af3372/bin/utaipan-7li7fVZpFI/data/451ee65b1/f6b86ad1d1ff4a54b743b0144cf674c0/FLAGe2bfad5a3 [2022-11-03 01:45:20,008 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0151bbe-fa57-4089-a63c-0e4900af3372/bin/utaipan-7li7fVZpFI/data/451ee65b1/f6b86ad1d1ff4a54b743b0144cf674c0 [2022-11-03 01:45:20,011 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-03 01:45:20,013 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-03 01:45:20,016 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-03 01:45:20,016 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-03 01:45:20,020 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-03 01:45:20,022 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 01:45:20" (1/1) ... [2022-11-03 01:45:20,023 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@38895800 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:45:20, skipping insertion in model container [2022-11-03 01:45:20,023 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 01:45:20" (1/1) ... [2022-11-03 01:45:20,030 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-03 01:45:20,249 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-03 01:45:23,267 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0151bbe-fa57-4089-a63c-0e4900af3372/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-tty-synclink_gt.ko.cil.out.i[379011,379024] [2022-11-03 01:45:23,331 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 01:45:23,387 INFO L203 MainTranslator]: Completed pre-run [2022-11-03 01:45:24,167 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0151bbe-fa57-4089-a63c-0e4900af3372/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-tty-synclink_gt.ko.cil.out.i[379011,379024] [2022-11-03 01:45:24,176 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 01:45:24,596 INFO L208 MainTranslator]: Completed translation [2022-11-03 01:45:24,597 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:45:24 WrapperNode [2022-11-03 01:45:24,597 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-03 01:45:24,599 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-03 01:45:24,599 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-03 01:45:24,599 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-03 01:45:24,609 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:45:24" (1/1) ... [2022-11-03 01:45:24,801 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:45:24" (1/1) ... [2022-11-03 01:45:25,151 INFO L138 Inliner]: procedures = 343, calls = 3523, calls flagged for inlining = 191, calls inlined = 172, statements flattened = 8311 [2022-11-03 01:45:25,152 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-03 01:45:25,153 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-03 01:45:25,153 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-03 01:45:25,153 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-03 01:45:25,164 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:45:24" (1/1) ... [2022-11-03 01:45:25,164 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:45:24" (1/1) ... [2022-11-03 01:45:25,251 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:45:24" (1/1) ... [2022-11-03 01:45:25,251 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:45:24" (1/1) ... [2022-11-03 01:45:25,523 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:45:24" (1/1) ... [2022-11-03 01:45:25,577 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:45:24" (1/1) ... [2022-11-03 01:45:25,623 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:45:24" (1/1) ... [2022-11-03 01:45:25,649 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:45:24" (1/1) ... [2022-11-03 01:45:25,706 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-03 01:45:25,707 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-03 01:45:25,707 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-03 01:45:25,707 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-03 01:45:25,708 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:45:24" (1/1) ... [2022-11-03 01:45:25,715 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 01:45:25,727 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0151bbe-fa57-4089-a63c-0e4900af3372/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 01:45:25,742 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0151bbe-fa57-4089-a63c-0e4900af3372/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-03 01:45:25,767 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0151bbe-fa57-4089-a63c-0e4900af3372/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-03 01:45:25,785 INFO L130 BoogieDeclarations]: Found specification of procedure remove_wait_queue [2022-11-03 01:45:25,786 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_wait_queue [2022-11-03 01:45:25,786 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2022-11-03 01:45:25,786 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-03 01:45:25,786 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-03 01:45:25,786 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-11-03 01:45:25,786 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-11-03 01:45:25,786 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-11-03 01:45:25,787 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-11-03 01:45:25,787 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-11-03 01:45:25,787 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-11-03 01:45:25,787 INFO L130 BoogieDeclarations]: Found specification of procedure set_signals [2022-11-03 01:45:25,787 INFO L138 BoogieDeclarations]: Found implementation of procedure set_signals [2022-11-03 01:45:25,787 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-03 01:45:25,788 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-03 01:45:25,788 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_dma_bufs [2022-11-03 01:45:25,788 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_dma_bufs [2022-11-03 01:45:25,788 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2022-11-03 01:45:25,788 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2022-11-03 01:45:25,788 INFO L130 BoogieDeclarations]: Found specification of procedure tty_insert_flip_char [2022-11-03 01:45:25,789 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_insert_flip_char [2022-11-03 01:45:25,789 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-11-03 01:45:25,789 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-11-03 01:45:25,789 INFO L130 BoogieDeclarations]: Found specification of procedure tx_stop [2022-11-03 01:45:25,789 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_stop [2022-11-03 01:45:25,789 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2022-11-03 01:45:25,789 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2022-11-03 01:45:25,790 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2022-11-03 01:45:25,790 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2022-11-03 01:45:25,790 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-11-03 01:45:25,790 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-11-03 01:45:25,791 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-03 01:45:25,791 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-03 01:45:25,791 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-11-03 01:45:25,791 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-11-03 01:45:25,791 INFO L130 BoogieDeclarations]: Found specification of procedure free_bufs [2022-11-03 01:45:25,791 INFO L138 BoogieDeclarations]: Found implementation of procedure free_bufs [2022-11-03 01:45:25,792 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2022-11-03 01:45:25,792 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2022-11-03 01:45:25,792 INFO L130 BoogieDeclarations]: Found specification of procedure change_params [2022-11-03 01:45:25,792 INFO L138 BoogieDeclarations]: Found implementation of procedure change_params [2022-11-03 01:45:25,792 INFO L130 BoogieDeclarations]: Found specification of procedure msleep_interruptible [2022-11-03 01:45:25,792 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep_interruptible [2022-11-03 01:45:25,792 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2022-11-03 01:45:25,793 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2022-11-03 01:45:25,793 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-03 01:45:25,793 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-03 01:45:25,793 INFO L130 BoogieDeclarations]: Found specification of procedure tx_start [2022-11-03 01:45:25,794 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_start [2022-11-03 01:45:25,795 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-03 01:45:25,795 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-11-03 01:45:25,795 INFO L130 BoogieDeclarations]: Found specification of procedure startup [2022-11-03 01:45:25,796 INFO L138 BoogieDeclarations]: Found implementation of procedure startup [2022-11-03 01:45:25,796 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-03 01:45:25,796 INFO L130 BoogieDeclarations]: Found specification of procedure reset_rbufs [2022-11-03 01:45:25,796 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_rbufs [2022-11-03 01:45:25,796 INFO L130 BoogieDeclarations]: Found specification of procedure wait_until_sent [2022-11-03 01:45:25,797 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_until_sent [2022-11-03 01:45:25,797 INFO L130 BoogieDeclarations]: Found specification of procedure signal_pending [2022-11-03 01:45:25,797 INFO L138 BoogieDeclarations]: Found implementation of procedure signal_pending [2022-11-03 01:45:25,797 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-03 01:45:25,798 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-03 01:45:25,798 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_blast_assert [2022-11-03 01:45:25,798 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_blast_assert [2022-11-03 01:45:25,798 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-03 01:45:25,798 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-03 01:45:25,798 INFO L130 BoogieDeclarations]: Found specification of procedure set_rate [2022-11-03 01:45:25,799 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rate [2022-11-03 01:45:25,799 INFO L130 BoogieDeclarations]: Found specification of procedure free_rbufs [2022-11-03 01:45:25,799 INFO L138 BoogieDeclarations]: Found implementation of procedure free_rbufs [2022-11-03 01:45:25,799 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2022-11-03 01:45:25,799 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2022-11-03 01:45:25,800 INFO L130 BoogieDeclarations]: Found specification of procedure async_mode [2022-11-03 01:45:25,800 INFO L138 BoogieDeclarations]: Found implementation of procedure async_mode [2022-11-03 01:45:25,800 INFO L130 BoogieDeclarations]: Found specification of procedure ioctl [2022-11-03 01:45:25,800 INFO L138 BoogieDeclarations]: Found implementation of procedure ioctl [2022-11-03 01:45:25,801 INFO L130 BoogieDeclarations]: Found specification of procedure put_tty_driver [2022-11-03 01:45:25,801 INFO L138 BoogieDeclarations]: Found implementation of procedure put_tty_driver [2022-11-03 01:45:25,801 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-11-03 01:45:25,801 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-11-03 01:45:25,801 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-11-03 01:45:25,802 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-11-03 01:45:25,802 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-11-03 01:45:25,802 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-11-03 01:45:25,802 INFO L130 BoogieDeclarations]: Found specification of procedure add_wait_queue [2022-11-03 01:45:25,802 INFO L138 BoogieDeclarations]: Found implementation of procedure add_wait_queue [2022-11-03 01:45:25,803 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-11-03 01:45:25,803 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-11-03 01:45:25,804 INFO L130 BoogieDeclarations]: Found specification of procedure rx_stop [2022-11-03 01:45:25,804 INFO L138 BoogieDeclarations]: Found implementation of procedure rx_stop [2022-11-03 01:45:25,804 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-11-03 01:45:25,804 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-11-03 01:45:25,805 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2022-11-03 01:45:25,805 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2022-11-03 01:45:25,805 INFO L130 BoogieDeclarations]: Found specification of procedure update_tx_timer [2022-11-03 01:45:25,805 INFO L138 BoogieDeclarations]: Found implementation of procedure update_tx_timer [2022-11-03 01:45:25,806 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_bufs [2022-11-03 01:45:25,806 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_bufs [2022-11-03 01:45:25,806 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-03 01:45:25,806 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2022-11-03 01:45:25,806 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2022-11-03 01:45:25,806 INFO L130 BoogieDeclarations]: Found specification of procedure msc_set_vcr [2022-11-03 01:45:25,806 INFO L138 BoogieDeclarations]: Found implementation of procedure msc_set_vcr [2022-11-03 01:45:25,807 INFO L130 BoogieDeclarations]: Found specification of procedure isr_txeom [2022-11-03 01:45:25,807 INFO L138 BoogieDeclarations]: Found implementation of procedure isr_txeom [2022-11-03 01:45:25,807 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-11-03 01:45:25,807 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-11-03 01:45:25,807 INFO L130 BoogieDeclarations]: Found specification of procedure setup_timer_key [2022-11-03 01:45:25,808 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_timer_key [2022-11-03 01:45:25,808 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-11-03 01:45:25,809 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-11-03 01:45:25,811 INFO L130 BoogieDeclarations]: Found specification of procedure rdma_reset [2022-11-03 01:45:25,811 INFO L138 BoogieDeclarations]: Found implementation of procedure rdma_reset [2022-11-03 01:45:25,812 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-03 01:45:25,812 INFO L130 BoogieDeclarations]: Found specification of procedure tty_hung_up_p [2022-11-03 01:45:25,813 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_hung_up_p [2022-11-03 01:45:25,813 INFO L130 BoogieDeclarations]: Found specification of procedure release_resources [2022-11-03 01:45:25,814 INFO L138 BoogieDeclarations]: Found implementation of procedure release_resources [2022-11-03 01:45:25,814 INFO L130 BoogieDeclarations]: Found specification of procedure slgt_cleanup [2022-11-03 01:45:25,815 INFO L138 BoogieDeclarations]: Found implementation of procedure slgt_cleanup [2022-11-03 01:45:25,820 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-03 01:45:25,820 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-11-03 01:45:25,820 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-11-03 01:45:25,820 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-11-03 01:45:25,821 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-11-03 01:45:25,821 INFO L130 BoogieDeclarations]: Found specification of procedure dev_to_hdlc [2022-11-03 01:45:25,821 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_to_hdlc [2022-11-03 01:45:25,821 INFO L130 BoogieDeclarations]: Found specification of procedure tx_set_idle [2022-11-03 01:45:25,821 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_set_idle [2022-11-03 01:45:25,821 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2022-11-03 01:45:25,821 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2022-11-03 01:45:25,822 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-03 01:45:25,822 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-03 01:45:25,822 INFO L130 BoogieDeclarations]: Found specification of procedure enable_loopback [2022-11-03 01:45:25,822 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_loopback [2022-11-03 01:45:25,822 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-11-03 01:45:25,822 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-11-03 01:45:25,822 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-03 01:45:25,822 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-03 01:45:25,823 INFO L130 BoogieDeclarations]: Found specification of procedure tx_load [2022-11-03 01:45:25,823 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_load [2022-11-03 01:45:25,823 INFO L130 BoogieDeclarations]: Found specification of procedure wr_reg32 [2022-11-03 01:45:25,823 INFO L138 BoogieDeclarations]: Found implementation of procedure wr_reg32 [2022-11-03 01:45:25,823 INFO L130 BoogieDeclarations]: Found specification of procedure hdlcdev_tx_done [2022-11-03 01:45:25,823 INFO L138 BoogieDeclarations]: Found implementation of procedure hdlcdev_tx_done [2022-11-03 01:45:25,823 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-11-03 01:45:25,824 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-11-03 01:45:25,824 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-03 01:45:25,824 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2022-11-03 01:45:25,824 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2022-11-03 01:45:25,824 INFO L130 BoogieDeclarations]: Found specification of procedure program_hw [2022-11-03 01:45:25,824 INFO L138 BoogieDeclarations]: Found implementation of procedure program_hw [2022-11-03 01:45:25,824 INFO L130 BoogieDeclarations]: Found specification of procedure rd_reg32 [2022-11-03 01:45:25,824 INFO L138 BoogieDeclarations]: Found implementation of procedure rd_reg32 [2022-11-03 01:45:25,825 INFO L130 BoogieDeclarations]: Found specification of procedure isr_rxdata [2022-11-03 01:45:25,825 INFO L138 BoogieDeclarations]: Found implementation of procedure isr_rxdata [2022-11-03 01:45:25,825 INFO L130 BoogieDeclarations]: Found specification of procedure reset_port [2022-11-03 01:45:25,825 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_port [2022-11-03 01:45:25,825 INFO L130 BoogieDeclarations]: Found specification of procedure tbuf_bytes [2022-11-03 01:45:25,825 INFO L138 BoogieDeclarations]: Found implementation of procedure tbuf_bytes [2022-11-03 01:45:25,825 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-03 01:45:25,826 INFO L130 BoogieDeclarations]: Found specification of procedure compat_ptr [2022-11-03 01:45:25,826 INFO L138 BoogieDeclarations]: Found implementation of procedure compat_ptr [2022-11-03 01:45:25,826 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2022-11-03 01:45:25,826 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2022-11-03 01:45:25,826 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-03 01:45:25,826 INFO L130 BoogieDeclarations]: Found specification of procedure tty_wakeup [2022-11-03 01:45:25,826 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_wakeup [2022-11-03 01:45:25,826 INFO L130 BoogieDeclarations]: Found specification of procedure flush_buffer [2022-11-03 01:45:25,827 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_buffer [2022-11-03 01:45:25,827 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-03 01:45:25,827 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-03 01:45:25,827 INFO L130 BoogieDeclarations]: Found specification of procedure wr_reg16 [2022-11-03 01:45:25,827 INFO L138 BoogieDeclarations]: Found implementation of procedure wr_reg16 [2022-11-03 01:45:25,827 INFO L130 BoogieDeclarations]: Found specification of procedure tx_release [2022-11-03 01:45:25,827 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_release [2022-11-03 01:45:25,828 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2022-11-03 01:45:25,828 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2022-11-03 01:45:25,828 INFO L130 BoogieDeclarations]: Found specification of procedure rd_reg16 [2022-11-03 01:45:25,828 INFO L138 BoogieDeclarations]: Found implementation of procedure rd_reg16 [2022-11-03 01:45:25,828 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-11-03 01:45:25,828 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-11-03 01:45:25,828 INFO L130 BoogieDeclarations]: Found specification of procedure sync_mode [2022-11-03 01:45:25,828 INFO L138 BoogieDeclarations]: Found implementation of procedure sync_mode [2022-11-03 01:45:25,830 INFO L130 BoogieDeclarations]: Found specification of procedure shutdown [2022-11-03 01:45:25,830 INFO L138 BoogieDeclarations]: Found implementation of procedure shutdown [2022-11-03 01:45:25,830 INFO L130 BoogieDeclarations]: Found specification of procedure send_xchar [2022-11-03 01:45:25,830 INFO L138 BoogieDeclarations]: Found implementation of procedure send_xchar [2022-11-03 01:45:25,831 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-03 01:45:25,831 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-03 01:45:25,831 INFO L130 BoogieDeclarations]: Found specification of procedure hdlc_ioctl [2022-11-03 01:45:25,831 INFO L138 BoogieDeclarations]: Found implementation of procedure hdlc_ioctl [2022-11-03 01:45:25,831 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-11-03 01:45:25,831 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-11-03 01:45:25,831 INFO L130 BoogieDeclarations]: Found specification of procedure free_tmp_rbuf [2022-11-03 01:45:25,832 INFO L138 BoogieDeclarations]: Found implementation of procedure free_tmp_rbuf [2022-11-03 01:45:25,832 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2022-11-03 01:45:25,832 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2022-11-03 01:45:25,832 INFO L130 BoogieDeclarations]: Found specification of procedure tdma_reset [2022-11-03 01:45:25,832 INFO L138 BoogieDeclarations]: Found implementation of procedure tdma_reset [2022-11-03 01:45:25,832 INFO L130 BoogieDeclarations]: Found specification of procedure get_signals [2022-11-03 01:45:25,832 INFO L138 BoogieDeclarations]: Found implementation of procedure get_signals [2022-11-03 01:45:25,832 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-11-03 01:45:25,833 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-11-03 01:45:25,833 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-03 01:45:25,833 INFO L130 BoogieDeclarations]: Found specification of procedure rx_start [2022-11-03 01:45:25,833 INFO L138 BoogieDeclarations]: Found implementation of procedure rx_start [2022-11-03 01:45:25,833 INFO L130 BoogieDeclarations]: Found specification of procedure trace_block [2022-11-03 01:45:25,833 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_block [2022-11-03 01:45:25,833 INFO L130 BoogieDeclarations]: Found specification of procedure wr_reg8 [2022-11-03 01:45:25,834 INFO L138 BoogieDeclarations]: Found implementation of procedure wr_reg8 [2022-11-03 01:45:25,834 INFO L130 BoogieDeclarations]: Found specification of procedure sanity_check [2022-11-03 01:45:25,834 INFO L138 BoogieDeclarations]: Found implementation of procedure sanity_check [2022-11-03 01:45:25,834 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-03 01:45:25,834 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-03 01:45:26,891 INFO L235 CfgBuilder]: Building ICFG [2022-11-03 01:45:26,894 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-03 01:45:27,116 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-11-03 01:45:27,164 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##21: assume !false; [2022-11-03 01:45:27,164 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##20: assume false; [2022-11-03 01:45:27,396 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2022-11-03 01:45:27,396 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2022-11-03 01:45:28,100 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-11-03 01:45:28,295 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##20: assume !false; [2022-11-03 01:45:28,295 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##19: assume false; [2022-11-03 01:45:28,777 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-11-03 01:45:28,780 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-11-03 01:45:29,018 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##61: assume !false; [2022-11-03 01:45:29,018 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##60: assume false; [2022-11-03 01:45:29,018 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##132: assume !false; [2022-11-03 01:45:29,018 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##131: assume false; [2022-11-03 01:45:29,230 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-11-03 01:45:45,321 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 [2022-11-03 01:45:45,321 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; [2022-11-03 01:45:45,321 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 [2022-11-03 01:45:45,321 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; [2022-11-03 01:45:45,321 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##265: assume !false; [2022-11-03 01:45:45,322 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##264: assume false; [2022-11-03 01:45:45,322 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##276: assume false; [2022-11-03 01:45:45,322 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##277: assume !false; [2022-11-03 01:45:45,322 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##232: assume false; [2022-11-03 01:45:45,322 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##233: assume !false; [2022-11-03 01:45:45,322 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##241: assume !false; [2022-11-03 01:45:45,322 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##240: assume false; [2022-11-03 01:45:45,322 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; [2022-11-03 01:45:45,323 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 [2022-11-03 01:45:45,323 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##304: assume !false; [2022-11-03 01:45:45,323 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##303: assume false; [2022-11-03 01:45:45,323 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; [2022-11-03 01:45:45,323 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 [2022-11-03 01:45:45,323 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 [2022-11-03 01:45:45,323 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; [2022-11-03 01:45:45,324 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 [2022-11-03 01:45:45,324 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; [2022-11-03 01:45:45,324 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 [2022-11-03 01:45:45,324 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; [2022-11-03 01:45:45,324 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##76: assume !false; [2022-11-03 01:45:45,324 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##75: assume false; [2022-11-03 01:45:45,324 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##69: assume !false; [2022-11-03 01:45:45,325 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##68: assume false; [2022-11-03 01:45:45,325 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##195: assume false; [2022-11-03 01:45:45,325 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##196: assume !false; [2022-11-03 01:45:45,325 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##40: assume !false; [2022-11-03 01:45:45,325 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##39: assume false; [2022-11-03 01:45:45,325 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##139: assume !false; [2022-11-03 01:45:45,325 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##138: assume false; [2022-11-03 01:45:45,325 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 [2022-11-03 01:45:45,325 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; [2022-11-03 01:45:45,326 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##389: assume false; [2022-11-03 01:45:45,326 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##151: assume !false; [2022-11-03 01:45:45,326 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##150: assume false; [2022-11-03 01:45:45,326 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##390: assume !false; [2022-11-03 01:45:45,326 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##155: assume false; [2022-11-03 01:45:45,326 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##156: assume !false; [2022-11-03 01:45:45,326 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##162: assume false; [2022-11-03 01:45:45,326 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##163: assume !false; [2022-11-03 01:45:45,327 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##327: assume !false; [2022-11-03 01:45:45,327 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##326: assume false; [2022-11-03 01:45:45,604 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-11-03 01:45:45,607 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-11-03 01:45:45,619 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-11-03 01:45:45,620 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-11-03 01:45:45,621 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-11-03 01:45:57,602 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; [2022-11-03 01:45:57,603 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##288: assume false; [2022-11-03 01:45:57,603 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##301: assume !false; [2022-11-03 01:45:57,603 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##300: assume false; [2022-11-03 01:45:57,603 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##323: assume !false; [2022-11-03 01:45:57,603 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##322: assume false; [2022-11-03 01:45:57,603 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 [2022-11-03 01:45:57,603 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; [2022-11-03 01:45:57,603 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##399: assume false; [2022-11-03 01:45:57,604 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##423: assume false; [2022-11-03 01:45:57,604 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##424: assume !false; [2022-11-03 01:45:57,604 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##400: assume !false; [2022-11-03 01:45:57,604 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; [2022-11-03 01:45:57,604 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 [2022-11-03 01:45:57,604 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##78: assume !false; [2022-11-03 01:45:57,604 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##77: assume false; [2022-11-03 01:45:57,605 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##133: assume !false; [2022-11-03 01:45:57,605 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##132: assume false; [2022-11-03 01:45:57,881 INFO L276 CfgBuilder]: Performing block encoding [2022-11-03 01:46:01,218 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-03 01:46:01,218 INFO L300 CfgBuilder]: Removed 17 assume(true) statements. [2022-11-03 01:46:01,225 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 01:46:01 BoogieIcfgContainer [2022-11-03 01:46:01,225 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-03 01:46:01,228 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-03 01:46:01,228 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-03 01:46:01,232 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-03 01:46:01,233 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 01:45:20" (1/3) ... [2022-11-03 01:46:01,234 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b67cfcb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 01:46:01, skipping insertion in model container [2022-11-03 01:46:01,234 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:45:24" (2/3) ... [2022-11-03 01:46:01,235 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b67cfcb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 01:46:01, skipping insertion in model container [2022-11-03 01:46:01,235 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 01:46:01" (3/3) ... [2022-11-03 01:46:01,237 INFO L112 eAbstractionObserver]: Analyzing ICFG module_get_put-drivers-tty-synclink_gt.ko.cil.out.i [2022-11-03 01:46:01,261 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-03 01:46:01,261 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-03 01:46:01,373 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-03 01:46:01,379 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;@505de8f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-03 01:46:01,379 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-03 01:46:01,390 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) [2022-11-03 01:46:01,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-03 01:46:01,398 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:46:01,398 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:46:01,399 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:46:01,404 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:46:01,404 INFO L85 PathProgramCache]: Analyzing trace with hash -12841163, now seen corresponding path program 1 times [2022-11-03 01:46:01,417 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:46:01,418 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [811641327] [2022-11-03 01:46:01,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:46:01,418 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:46:01,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:46:02,068 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 01:46:02,069 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:46:02,069 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [811641327] [2022-11-03 01:46:02,070 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [811641327] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:46:02,070 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:46:02,071 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 01:46:02,073 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [467512045] [2022-11-03 01:46:02,074 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:46:02,079 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 01:46:02,079 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:46:02,117 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 01:46:02,118 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 01:46:02,127 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) [2022-11-03 01:46:04,255 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 [] [2022-11-03 01:46:05,746 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:46:07,134 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.39s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:46:09,479 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-03 01:46:11,295 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.67s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:46:17,154 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 [] [2022-11-03 01:46:18,382 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:46:18,383 INFO L93 Difference]: Finished difference Result 5792 states and 8899 transitions. [2022-11-03 01:46:18,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 01:46:18,385 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 [2022-11-03 01:46:18,386 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:46:18,431 INFO L225 Difference]: With dead ends: 5792 [2022-11-03 01:46:18,432 INFO L226 Difference]: Without dead ends: 3790 [2022-11-03 01:46:18,450 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 [2022-11-03 01:46:18,456 INFO L413 NwaCegarLoop]: 3685 mSDtfsCounter, 2868 mSDsluCounter, 2951 mSDsCounter, 0 mSdLazyCounter, 866 mSolverCounterSat, 2 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2870 SdHoareTripleChecker+Valid, 6264 SdHoareTripleChecker+Invalid, 871 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 866 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.8s IncrementalHoareTripleChecker+Time [2022-11-03 01:46:18,461 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2870 Valid, 6264 Invalid, 871 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 866 Invalid, 3 Unknown, 0 Unchecked, 15.8s Time] [2022-11-03 01:46:18,483 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3790 states. [2022-11-03 01:46:18,796 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3790 to 3785. [2022-11-03 01:46:18,808 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) [2022-11-03 01:46:18,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3785 states to 3785 states and 5749 transitions. [2022-11-03 01:46:18,852 INFO L78 Accepts]: Start accepts. Automaton has 3785 states and 5749 transitions. Word has length 12 [2022-11-03 01:46:18,853 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:46:18,853 INFO L495 AbstractCegarLoop]: Abstraction has 3785 states and 5749 transitions. [2022-11-03 01:46:18,855 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) [2022-11-03 01:46:18,855 INFO L276 IsEmpty]: Start isEmpty. Operand 3785 states and 5749 transitions. [2022-11-03 01:46:18,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-03 01:46:18,856 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:46:18,857 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:46:18,857 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-03 01:46:18,858 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:46:18,860 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:46:18,860 INFO L85 PathProgramCache]: Analyzing trace with hash 283312242, now seen corresponding path program 1 times [2022-11-03 01:46:18,861 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:46:18,861 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [806032394] [2022-11-03 01:46:18,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:46:18,861 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:46:19,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:46:19,437 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 01:46:19,438 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:46:19,438 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [806032394] [2022-11-03 01:46:19,438 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [806032394] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:46:19,439 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:46:19,439 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 01:46:19,439 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [17014911] [2022-11-03 01:46:19,439 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:46:19,441 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 01:46:19,441 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:46:19,442 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 01:46:19,442 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 01:46:19,443 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) [2022-11-03 01:46:21,527 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 [] [2022-11-03 01:46:23,325 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.27s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:46:25,772 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-03 01:46:29,840 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:46:31,096 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:46:37,985 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:46:37,986 INFO L93 Difference]: Finished difference Result 5338 states and 8300 transitions. [2022-11-03 01:46:37,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-03 01:46:37,987 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 [2022-11-03 01:46:37,987 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:46:38,024 INFO L225 Difference]: With dead ends: 5338 [2022-11-03 01:46:38,024 INFO L226 Difference]: Without dead ends: 5333 [2022-11-03 01:46:38,028 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 [2022-11-03 01:46:38,030 INFO L413 NwaCegarLoop]: 3874 mSDtfsCounter, 1560 mSDsluCounter, 6658 mSDsCounter, 0 mSdLazyCounter, 1258 mSolverCounterSat, 539 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1829 SdHoareTripleChecker+Valid, 9785 SdHoareTripleChecker+Invalid, 1800 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 539 IncrementalHoareTripleChecker+Valid, 1258 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.1s IncrementalHoareTripleChecker+Time [2022-11-03 01:46:38,030 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1829 Valid, 9785 Invalid, 1800 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [539 Valid, 1258 Invalid, 3 Unknown, 0 Unchecked, 18.1s Time] [2022-11-03 01:46:38,038 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5333 states. [2022-11-03 01:46:38,334 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5333 to 3787. [2022-11-03 01:46:38,345 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) [2022-11-03 01:46:38,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3787 states to 3787 states and 5751 transitions. [2022-11-03 01:46:38,390 INFO L78 Accepts]: Start accepts. Automaton has 3787 states and 5751 transitions. Word has length 14 [2022-11-03 01:46:38,390 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:46:38,391 INFO L495 AbstractCegarLoop]: Abstraction has 3787 states and 5751 transitions. [2022-11-03 01:46:38,391 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) [2022-11-03 01:46:38,391 INFO L276 IsEmpty]: Start isEmpty. Operand 3787 states and 5751 transitions. [2022-11-03 01:46:38,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-03 01:46:38,404 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:46:38,404 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] [2022-11-03 01:46:38,404 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-03 01:46:38,405 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:46:38,407 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:46:38,407 INFO L85 PathProgramCache]: Analyzing trace with hash -983709737, now seen corresponding path program 1 times [2022-11-03 01:46:38,407 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:46:38,408 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [666888750] [2022-11-03 01:46:38,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:46:38,408 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:46:38,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:46:39,014 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 01:46:39,014 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:46:39,015 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [666888750] [2022-11-03 01:46:39,015 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [666888750] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:46:39,015 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:46:39,016 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 01:46:39,016 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [633188032] [2022-11-03 01:46:39,016 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:46:39,017 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 01:46:39,017 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:46:39,018 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 01:46:39,018 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 01:46:39,018 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) [2022-11-03 01:46:41,116 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:46:44,014 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:46:48,422 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-03 01:46:50,557 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-03 01:46:52,985 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:46:57,030 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:47:00,378 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:47:05,617 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.80s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:47:13,473 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:47:13,473 INFO L93 Difference]: Finished difference Result 9529 states and 14485 transitions. [2022-11-03 01:47:13,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 01:47:13,480 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 [2022-11-03 01:47:13,480 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:47:13,524 INFO L225 Difference]: With dead ends: 9529 [2022-11-03 01:47:13,524 INFO L226 Difference]: Without dead ends: 7587 [2022-11-03 01:47:13,534 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 [2022-11-03 01:47:13,539 INFO L413 NwaCegarLoop]: 5867 mSDtfsCounter, 5848 mSDsluCounter, 4984 mSDsCounter, 0 mSdLazyCounter, 4058 mSolverCounterSat, 6 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 31.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5854 SdHoareTripleChecker+Valid, 10050 SdHoareTripleChecker+Invalid, 4071 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 4058 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 33.7s IncrementalHoareTripleChecker+Time [2022-11-03 01:47:13,542 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5854 Valid, 10050 Invalid, 4071 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [6 Valid, 4058 Invalid, 7 Unknown, 0 Unchecked, 33.7s Time] [2022-11-03 01:47:13,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7587 states. [2022-11-03 01:47:14,085 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7587 to 7574. [2022-11-03 01:47:14,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7574 states, 4769 states have (on average 1.396099811281191) internal successors, (6658), 5089 states have internal predecessors, (6658), 2429 states have call successors, (2429), 377 states have call predecessors, (2429), 375 states have return successors, (2434), 2342 states have call predecessors, (2434), 2427 states have call successors, (2434) [2022-11-03 01:47:14,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7574 states to 7574 states and 11521 transitions. [2022-11-03 01:47:14,155 INFO L78 Accepts]: Start accepts. Automaton has 7574 states and 11521 transitions. Word has length 22 [2022-11-03 01:47:14,155 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:47:14,156 INFO L495 AbstractCegarLoop]: Abstraction has 7574 states and 11521 transitions. [2022-11-03 01:47:14,156 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) [2022-11-03 01:47:14,157 INFO L276 IsEmpty]: Start isEmpty. Operand 7574 states and 11521 transitions. [2022-11-03 01:47:14,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-11-03 01:47:14,161 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:47:14,161 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] [2022-11-03 01:47:14,161 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-03 01:47:14,162 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:47:14,165 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:47:14,165 INFO L85 PathProgramCache]: Analyzing trace with hash -2038800537, now seen corresponding path program 1 times [2022-11-03 01:47:14,165 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:47:14,165 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1404167583] [2022-11-03 01:47:14,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:47:14,166 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:47:14,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:47:14,508 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 01:47:14,508 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:47:14,508 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1404167583] [2022-11-03 01:47:14,508 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1404167583] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:47:14,509 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:47:14,509 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 01:47:14,509 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1660430317] [2022-11-03 01:47:14,509 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:47:14,509 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 01:47:14,510 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:47:14,510 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 01:47:14,510 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 01:47:14,510 INFO L87 Difference]: Start difference. First operand 7574 states and 11521 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) [2022-11-03 01:47:16,562 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:47:19,948 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-03 01:47:22,078 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:47:24,893 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:47:28,823 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:47:28,823 INFO L93 Difference]: Finished difference Result 18887 states and 28731 transitions. [2022-11-03 01:47:28,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 01:47:28,824 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 [2022-11-03 01:47:28,824 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:47:28,913 INFO L225 Difference]: With dead ends: 18887 [2022-11-03 01:47:28,914 INFO L226 Difference]: Without dead ends: 13154 [2022-11-03 01:47:28,944 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 [2022-11-03 01:47:28,945 INFO L413 NwaCegarLoop]: 3345 mSDtfsCounter, 2870 mSDsluCounter, 2936 mSDsCounter, 0 mSdLazyCounter, 786 mSolverCounterSat, 1 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2872 SdHoareTripleChecker+Valid, 5912 SdHoareTripleChecker+Invalid, 791 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 786 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.6s IncrementalHoareTripleChecker+Time [2022-11-03 01:47:28,945 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2872 Valid, 5912 Invalid, 791 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 786 Invalid, 4 Unknown, 0 Unchecked, 13.6s Time] [2022-11-03 01:47:28,961 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13154 states. [2022-11-03 01:47:29,969 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13154 to 13142. [2022-11-03 01:47:29,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13142 states, 8277 states have (on average 1.3955539446659417) internal successors, (11551), 8837 states have internal predecessors, (11551), 4206 states have call successors, (4206), 660 states have call predecessors, (4206), 658 states have return successors, (4217), 4056 states have call predecessors, (4217), 4204 states have call successors, (4217) [2022-11-03 01:47:30,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13142 states to 13142 states and 19974 transitions. [2022-11-03 01:47:30,053 INFO L78 Accepts]: Start accepts. Automaton has 13142 states and 19974 transitions. Word has length 25 [2022-11-03 01:47:30,053 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:47:30,054 INFO L495 AbstractCegarLoop]: Abstraction has 13142 states and 19974 transitions. [2022-11-03 01:47:30,054 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) [2022-11-03 01:47:30,054 INFO L276 IsEmpty]: Start isEmpty. Operand 13142 states and 19974 transitions. [2022-11-03 01:47:30,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-11-03 01:47:30,061 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:47:30,061 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] [2022-11-03 01:47:30,061 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-03 01:47:30,062 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:47:30,062 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:47:30,062 INFO L85 PathProgramCache]: Analyzing trace with hash -181817682, now seen corresponding path program 1 times [2022-11-03 01:47:30,062 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:47:30,062 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1647874808] [2022-11-03 01:47:30,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:47:30,063 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:47:30,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:47:30,369 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 01:47:30,369 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:47:30,370 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1647874808] [2022-11-03 01:47:30,370 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1647874808] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:47:30,370 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:47:30,370 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 01:47:30,370 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1444459647] [2022-11-03 01:47:30,370 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:47:30,371 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 01:47:30,372 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:47:30,372 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 01:47:30,372 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 01:47:30,372 INFO L87 Difference]: Start difference. First operand 13142 states and 19974 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) [2022-11-03 01:47:32,438 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:47:34,560 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:47:37,408 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-03 01:47:39,661 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.50s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:47:41,702 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:47:43,468 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.77s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:47:46,268 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:47:47,286 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:47:48,876 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:47:48,877 INFO L93 Difference]: Finished difference Result 17089 states and 25940 transitions. [2022-11-03 01:47:48,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 01:47:48,878 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 [2022-11-03 01:47:48,878 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:47:48,942 INFO L225 Difference]: With dead ends: 17089 [2022-11-03 01:47:48,943 INFO L226 Difference]: Without dead ends: 11311 [2022-11-03 01:47:48,970 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 [2022-11-03 01:47:48,971 INFO L413 NwaCegarLoop]: 2582 mSDtfsCounter, 1 mSDsluCounter, 5910 mSDsCounter, 0 mSdLazyCounter, 1132 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 7743 SdHoareTripleChecker+Invalid, 1135 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1132 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.9s IncrementalHoareTripleChecker+Time [2022-11-03 01:47:48,972 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 7743 Invalid, 1135 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1132 Invalid, 3 Unknown, 0 Unchecked, 17.9s Time] [2022-11-03 01:47:48,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11311 states. [2022-11-03 01:47:49,767 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11311 to 11311. [2022-11-03 01:47:49,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11311 states, 7123 states have (on average 1.3953390425382564) internal successors, (9939), 7605 states have internal predecessors, (9939), 3620 states have call successors, (3620), 569 states have call predecessors, (3620), 567 states have return successors, (3629), 3491 states have call predecessors, (3629), 3618 states have call successors, (3629) [2022-11-03 01:47:49,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11311 states to 11311 states and 17188 transitions. [2022-11-03 01:47:49,852 INFO L78 Accepts]: Start accepts. Automaton has 11311 states and 17188 transitions. Word has length 38 [2022-11-03 01:47:49,853 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:47:49,853 INFO L495 AbstractCegarLoop]: Abstraction has 11311 states and 17188 transitions. [2022-11-03 01:47:49,853 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) [2022-11-03 01:47:49,853 INFO L276 IsEmpty]: Start isEmpty. Operand 11311 states and 17188 transitions. [2022-11-03 01:47:49,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-11-03 01:47:49,862 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:47:49,862 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] [2022-11-03 01:47:49,863 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-03 01:47:49,863 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:47:49,863 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:47:49,864 INFO L85 PathProgramCache]: Analyzing trace with hash -1528956966, now seen corresponding path program 1 times [2022-11-03 01:47:49,864 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:47:49,864 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [72222466] [2022-11-03 01:47:49,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:47:49,864 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:47:50,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:47:51,128 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 01:47:51,128 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:47:51,128 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [72222466] [2022-11-03 01:47:51,129 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [72222466] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:47:51,129 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:47:51,129 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 01:47:51,129 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [54456956] [2022-11-03 01:47:51,129 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:47:51,130 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 01:47:51,130 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:47:51,131 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 01:47:51,131 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-03 01:47:51,131 INFO L87 Difference]: Start difference. First operand 11311 states and 17188 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) [2022-11-03 01:47:53,201 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:47:56,567 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-03 01:48:00,914 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:48:04,559 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.67s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:48:07,891 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.78s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:48:10,559 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:48:10,559 INFO L93 Difference]: Finished difference Result 24912 states and 38174 transitions. [2022-11-03 01:48:10,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 01:48:10,561 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 [2022-11-03 01:48:10,561 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:48:10,674 INFO L225 Difference]: With dead ends: 24912 [2022-11-03 01:48:10,674 INFO L226 Difference]: Without dead ends: 19083 [2022-11-03 01:48:10,711 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 [2022-11-03 01:48:10,712 INFO L413 NwaCegarLoop]: 3629 mSDtfsCounter, 3606 mSDsluCounter, 5406 mSDsCounter, 0 mSdLazyCounter, 1972 mSolverCounterSat, 6 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3874 SdHoareTripleChecker+Valid, 8297 SdHoareTripleChecker+Invalid, 1981 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1972 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.5s IncrementalHoareTripleChecker+Time [2022-11-03 01:48:10,713 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3874 Valid, 8297 Invalid, 1981 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1972 Invalid, 3 Unknown, 0 Unchecked, 18.5s Time] [2022-11-03 01:48:10,737 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19083 states. [2022-11-03 01:48:12,277 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19083 to 16800. [2022-11-03 01:48:12,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16800 states, 10585 states have (on average 1.3957487009919698) internal successors, (14774), 11298 states have internal predecessors, (14774), 5373 states have call successors, (5373), 843 states have call predecessors, (5373), 841 states have return successors, (5388), 5184 states have call predecessors, (5388), 5371 states have call successors, (5388) [2022-11-03 01:48:12,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16800 states to 16800 states and 25535 transitions. [2022-11-03 01:48:12,405 INFO L78 Accepts]: Start accepts. Automaton has 16800 states and 25535 transitions. Word has length 44 [2022-11-03 01:48:12,406 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:48:12,407 INFO L495 AbstractCegarLoop]: Abstraction has 16800 states and 25535 transitions. [2022-11-03 01:48:12,407 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) [2022-11-03 01:48:12,407 INFO L276 IsEmpty]: Start isEmpty. Operand 16800 states and 25535 transitions. [2022-11-03 01:48:12,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-11-03 01:48:12,413 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:48:12,413 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] [2022-11-03 01:48:12,414 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-03 01:48:12,414 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:48:12,414 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:48:12,415 INFO L85 PathProgramCache]: Analyzing trace with hash -1641653114, now seen corresponding path program 1 times [2022-11-03 01:48:12,415 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:48:12,415 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [698232348] [2022-11-03 01:48:12,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:48:12,415 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:48:12,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-03 01:48:12,908 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-03 01:48:13,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-03 01:48:13,260 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2022-11-03 01:48:13,260 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-03 01:48:13,261 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-03 01:48:13,263 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-03 01:48:13,266 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:48:13,269 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-03 01:48:13,405 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.11 01:48:13 BoogieIcfgContainer [2022-11-03 01:48:13,406 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-03 01:48:13,406 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-03 01:48:13,406 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-03 01:48:13,407 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-03 01:48:13,407 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 01:46:01" (3/4) ... [2022-11-03 01:48:13,410 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-03 01:48:13,410 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-03 01:48:13,411 INFO L158 Benchmark]: Toolchain (without parser) took 173397.56ms. Allocated memory was 98.6MB in the beginning and 1.2GB in the end (delta: 1.1GB). Free memory was 51.4MB in the beginning and 639.3MB in the end (delta: -587.9MB). Peak memory consumption was 483.2MB. Max. memory is 16.1GB. [2022-11-03 01:48:13,411 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 98.6MB. Free memory was 50.4MB in the beginning and 50.3MB in the end (delta: 47.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-03 01:48:13,412 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4581.64ms. Allocated memory was 98.6MB in the beginning and 314.6MB in the end (delta: 216.0MB). Free memory was 51.2MB in the beginning and 223.9MB in the end (delta: -172.7MB). Peak memory consumption was 100.6MB. Max. memory is 16.1GB. [2022-11-03 01:48:13,412 INFO L158 Benchmark]: Boogie Procedure Inliner took 553.32ms. Allocated memory is still 314.6MB. Free memory was 223.9MB in the beginning and 170.4MB in the end (delta: 53.5MB). Peak memory consumption was 54.5MB. Max. memory is 16.1GB. [2022-11-03 01:48:13,413 INFO L158 Benchmark]: Boogie Preprocessor took 553.82ms. Allocated memory is still 314.6MB. Free memory was 170.4MB in the beginning and 115.9MB in the end (delta: 54.5MB). Peak memory consumption was 54.5MB. Max. memory is 16.1GB. [2022-11-03 01:48:13,413 INFO L158 Benchmark]: RCFGBuilder took 35518.32ms. Allocated memory was 314.6MB in the beginning and 725.6MB in the end (delta: 411.0MB). Free memory was 115.9MB in the beginning and 382.6MB in the end (delta: -266.7MB). Peak memory consumption was 365.6MB. Max. memory is 16.1GB. [2022-11-03 01:48:13,414 INFO L158 Benchmark]: TraceAbstraction took 132177.54ms. Allocated memory was 725.6MB in the beginning and 1.2GB in the end (delta: 444.6MB). Free memory was 382.6MB in the beginning and 639.3MB in the end (delta: -256.7MB). Peak memory consumption was 191.1MB. Max. memory is 16.1GB. [2022-11-03 01:48:13,414 INFO L158 Benchmark]: Witness Printer took 4.08ms. Allocated memory is still 1.2GB. Free memory is still 639.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-03 01:48:13,416 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 98.6MB. Free memory was 50.4MB in the beginning and 50.3MB in the end (delta: 47.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 4581.64ms. Allocated memory was 98.6MB in the beginning and 314.6MB in the end (delta: 216.0MB). Free memory was 51.2MB in the beginning and 223.9MB in the end (delta: -172.7MB). Peak memory consumption was 100.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 553.32ms. Allocated memory is still 314.6MB. Free memory was 223.9MB in the beginning and 170.4MB in the end (delta: 53.5MB). Peak memory consumption was 54.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 553.82ms. Allocated memory is still 314.6MB. Free memory was 170.4MB in the beginning and 115.9MB in the end (delta: 54.5MB). Peak memory consumption was 54.5MB. Max. memory is 16.1GB. * RCFGBuilder took 35518.32ms. Allocated memory was 314.6MB in the beginning and 725.6MB in the end (delta: 411.0MB). Free memory was 115.9MB in the beginning and 382.6MB in the end (delta: -266.7MB). Peak memory consumption was 365.6MB. Max. memory is 16.1GB. * TraceAbstraction took 132177.54ms. Allocated memory was 725.6MB in the beginning and 1.2GB in the end (delta: 444.6MB). Free memory was 382.6MB in the beginning and 639.3MB in the end (delta: -256.7MB). Peak memory consumption was 191.1MB. Max. memory is 16.1GB. * Witness Printer took 4.08ms. Allocated memory is still 1.2GB. Free memory is still 639.3MB. 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: [L5747] static char *driver_name = (char *)"SyncLink GT"; [L5748] static char *tty_driver_name = (char *)"synclink_gt"; [L5749] static char *tty_dev_prefix = (char *)"ttySLG"; [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}}; [L5755] struct pci_device_id const __mod_pci_device_table ; [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 ; [L5775] static struct slgt_info *slgt_device_list ; [L5776] static int slgt_device_count ; [L5777] static int ttymajor ; [L5778] static int debug_level ; [L5779] static int maxframe[32U] ; [L5780] static struct tty_driver *serial_driver ; [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}; [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}; [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}; [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}; [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}; [L14221] int LDV_IN_INTERRUPT ; [L14627] int ldv_module_refcounter = 1; [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={0:18446744073709551617}, debug_level=0, default_params={193:0}, driver_name={8:0}, hdlcdev_ops={195:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, maxframe={192:0}, ops={197:0}, pci_driver={191:0}, pci_registered=0, pci_table={190:0}, serial_driver={0:0}, slgt_device_count=0, slgt_device_list={0:0}, slgt_port_ops={196:0}, synclink_gt_proc_fops={194:0}, 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={0:18446744073709551617}, arg0=32, debug_level=0, default_params={193:0}, 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={192:0}, ops={197:0}, pci_driver={191:0}, pci_registered=0, pci_table={190:0}, serial_driver={0:0}, slgt_device_count=0, slgt_device_list={0:0}, slgt_port_ops={196:0}, synclink_gt_proc_fops={194:0}, 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={0:18446744073709551617}, debug_level=0, default_params={193:0}, driver_name={8:0}, hdlcdev_ops={195:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, maxframe={192:0}, ops={197:0}, pci_driver={191:0}, pci_registered=1, pci_table={190:0}, printk("%s no devices found\n", driver_name)=18446744073709551658, rc=0, serial_driver={-18446744073709551617:0}, slgt_device_count=0, slgt_device_list={0:0}, slgt_port_ops={196:0}, synclink_gt_proc_fops={194:0}, tty_dev_prefix={10:0}, tty_driver_name={9:0}, tty_std_termios={18446744073709551708:-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={0:18446744073709551617}, debug_level=0, default_params={193:0}, 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={192:0}, ops={197:0}, pci_driver={191:0}, pci_registered=1, pci_table={190:0}, serial_driver={-18446744073709551617:0}, slgt_device_count=0, slgt_device_list={0:0}, slgt_port_ops={196:0}, synclink_gt_proc_fops={194:0}, tmp=0, tty_dev_prefix={10:0}, tty_driver_name={9:0}, tty_std_termios={18446744073709551708:-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={0:18446744073709551617}, debug_level=0, default_params={193:0}, 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={192:0}, ops={197:0}, pci_driver={191:0}, pci_registered=1, pci_table={190:0}, serial_driver={-18446744073709551617:0}, slgt_device_count=0, slgt_device_list={0:0}, slgt_port_ops={196:0}, synclink_gt_proc_fops={194:0}, tmp=0, tmp___1=1, tty_dev_prefix={10:0}, tty_driver_name={9:0}, tty_std_termios={18446744073709551708:-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={0:18446744073709551617}, debug_level=0, default_params={193:0}, 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={192:0}, ops={197:0}, pci_driver={191:0}, pci_registered=1, pci_table={190:0}, serial_driver={-18446744073709551617:0}, slgt_device_count=0, slgt_device_list={0:0}, slgt_port_ops={196:0}, synclink_gt_proc_fops={194:0}, tmp=0, tmp___0=2, tmp___1=1, tty_dev_prefix={10:0}, tty_driver_name={9:0}, tty_std_termios={18446744073709551708:-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={0:18446744073709551617}, debug_level=0, default_params={193:0}, 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={192:0}, ops={197:0}, pci_driver={191:0}, pci_registered=1, pci_table={190:0}, serial_driver={-18446744073709551617:0}, slgt_device_count=0, slgt_device_list={0:0}, slgt_port_ops={196:0}, synclink_gt_proc_fops={194:0}, tmp=0, tmp___0=2, tmp___1=1, tty_dev_prefix={10:0}, tty_driver_name={9:0}, tty_std_termios={18446744073709551708:-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={0:18446744073709551617}, debug_level=0, default_params={193:0}, 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={192:0}, ops={197:0}, pci_driver={191:0}, pci_registered=1, pci_table={190:0}, serial_driver={-18446744073709551617:0}, slgt_device_count=0, slgt_device_list={0:0}, slgt_port_ops={196:0}, synclink_gt_proc_fops={194:0}, tmp=0, tmp___0=2, tmp___1=1, tty_dev_prefix={10:0}, tty_driver_name={9:0}, tty_std_termios={18446744073709551708:-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={0:18446744073709551617}, debug_level=0, default_params={193:0}, dev={18446744073709551716:-2671}, dev={18446744073709551716:-2671}, driver_name={8:0}, hdlcdev_ops={195:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, maxframe={192:0}, ops={197:0}, pci_driver={191:0}, pci_registered=1, pci_table={190:0}, serial_driver={-18446744073709551617:0}, slgt_device_count=0, slgt_device_list={0:0}, slgt_port_ops={196:0}, synclink_gt_proc_fops={194:0}, tty_dev_prefix={10:0}, tty_driver_name={9:0}, tty_std_termios={18446744073709551708:-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={0:18446744073709551617}, debug_level=0, default_params={193:0}, driver_name={8:0}, hdlcdev_ops={195:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, maxframe={192:0}, ops={197:0}, pci_driver={191:0}, pci_registered=1, pci_table={190:0}, serial_driver={-18446744073709551617:0}, slgt_device_count=0, slgt_device_list={0:0}, slgt_port_ops={196:0}, synclink_gt_proc_fops={194:0}, tty_dev_prefix={10:0}, tty_driver_name={9:0}, tty_std_termios={18446744073709551708:-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={0:18446744073709551617}, debug_level=0, default_params={193:0}, dev={18446744073709551716:-2671}, dev={18446744073709551716:-2671}, dev_to_hdlc(dev)={18446744073709551716:-111}, driver_name={8:0}, hdlcdev_ops={195:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, maxframe={192:0}, ops={197:0}, pci_driver={191:0}, pci_registered=1, pci_table={190:0}, serial_driver={-18446744073709551617:0}, slgt_device_count=0, slgt_device_list={0:0}, slgt_port_ops={196:0}, synclink_gt_proc_fops={194:0}, tty_dev_prefix={10:0}, tty_driver_name={9:0}, tty_std_termios={18446744073709551708:-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=-4, __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={0:18446744073709551617}, debug_level=0, default_params={193:0}, dev={18446744073709551716:-2671}, dev={18446744073709551716:-2671}, driver_name={8:0}, hdlcdev_ops={195:0}, info={18446744073709551665:18446744073709551648}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, maxframe={192:0}, ops={197:0}, pci_driver={191:0}, pci_registered=1, pci_table={190:0}, printk("%s hdlcdev_open\n", (char *)(& dev->name))=18446744073709551649, rc=-4, serial_driver={-18446744073709551617:0}, slgt_device_count=0, slgt_device_list={0:0}, slgt_port_ops={196:0}, synclink_gt_proc_fops={194:0}, tmp={18446744073709551716:-111}, tmp___0=1, tty_dev_prefix={10:0}, tty_driver_name={9:0}, tty_std_termios={18446744073709551708:-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={0:18446744073709551617}, debug_level=0, default_params={193:0}, 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={192:0}, ops={197:0}, pci_driver={191:0}, pci_registered=1, pci_table={190:0}, res_hdlcdev_open_33=-4, serial_driver={-18446744073709551617:0}, slgt_device_count=0, slgt_device_list={0:0}, slgt_port_ops={196:0}, synclink_gt_proc_fops={194:0}, tmp=0, tmp___0=2, tmp___1=1, tty_dev_prefix={10:0}, tty_driver_name={9:0}, tty_std_termios={18446744073709551708:-42}, ttymajor=0, var_group4={18446744073709551716:-2671}] [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={0:18446744073709551617}, debug_level=0, default_params={193:0}, 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={192:0}, ops={197:0}, pci_driver={191:0}, pci_registered=1, pci_table={190:0}, res_hdlcdev_open_33=-4, serial_driver={-18446744073709551617:0}, slgt_device_count=0, slgt_device_list={0:0}, slgt_port_ops={196:0}, synclink_gt_proc_fops={194:0}, tmp=0, tmp___0=2, tmp___1=1, tty_dev_prefix={10:0}, tty_driver_name={9:0}, tty_std_termios={18446744073709551708:-42}, ttymajor=0, var_group4={18446744073709551716:-2671}] [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={0:18446744073709551617}, debug_level=0, default_params={193:0}, driver_name={8:0}, hdlcdev_ops={195:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, maxframe={192:0}, ops={197:0}, pci_driver={191:0}, pci_registered=1, pci_table={190:0}, serial_driver={-18446744073709551617:0}, slgt_device_count=0, slgt_device_list={0:0}, slgt_port_ops={196:0}, synclink_gt_proc_fops={194:0}, tty_dev_prefix={10:0}, tty_driver_name={9:0}, tty_std_termios={18446744073709551708:-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={0:18446744073709551617}, debug_level=0, default_params={193:0}, driver_name={8:0}, hdlcdev_ops={195:0}, info={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, maxframe={192:0}, ops={197:0}, pci_driver={191:0}, pci_registered=1, pci_table={190:0}, serial_driver={-18446744073709551617:0}, slgt_device_count=0, slgt_device_list={0:0}, slgt_port_ops={196:0}, synclink_gt_proc_fops={194:0}, tty_dev_prefix={10:0}, tty_driver_name={9:0}, tty_std_termios={18446744073709551708:-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 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={0:18446744073709551617}, debug_level=0, default_params={193:0}, driver_name={8:0}, hdlcdev_ops={195:0}, info={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, maxframe={192:0}, ops={197:0}, pci_driver={191:0}, pci_registered=1, pci_table={190:0}, printk("tty_unregister_driver error=%d\n", rc)=18446744073709551639, rc=0, serial_driver={-18446744073709551617:0}, slgt_device_count=0, slgt_device_list={0:0}, slgt_port_ops={196:0}, synclink_gt_proc_fops={194:0}, tty_dev_prefix={10:0}, tty_driver_name={9:0}, tty_std_termios={18446744073709551708:-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={0:18446744073709551617}, debug_level=0, default_params={193:0}, driver_name={8:0}, hdlcdev_ops={195:0}, info={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, maxframe={192:0}, ops={197:0}, pci_driver={191:0}, pci_registered=1, pci_table={190:0}, printk("tty_unregister_driver error=%d\n", rc)=18446744073709551639, rc=0, serial_driver={-18446744073709551617:0}, slgt_device_count=0, slgt_device_list={0:0}, slgt_port_ops={196:0}, synclink_gt_proc_fops={194:0}, tty_dev_prefix={10:0}, tty_driver_name={9:0}, tty_std_termios={18446744073709551708:-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={0:18446744073709551617}, debug_level=0, default_params={193:0}, driver_name={8:0}, hdlcdev_ops={195:0}, info={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, maxframe={192:0}, ops={197:0}, pci_driver={191:0}, pci_registered=1, pci_table={190:0}, printk("tty_unregister_driver error=%d\n", rc)=18446744073709551639, rc=0, serial_driver={-18446744073709551617:0}, slgt_device_count=0, slgt_device_list={0:0}, slgt_port_ops={196:0}, synclink_gt_proc_fops={194:0}, tty_dev_prefix={10:0}, tty_driver_name={9:0}, tty_std_termios={18446744073709551708:-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={0:18446744073709551617}, debug_level=0, default_params={193:0}, driver_name={8:0}, hdlcdev_ops={195:0}, info={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, maxframe={192:0}, ops={197:0}, pci_driver={191:0}, pci_registered=1, pci_table={190:0}, printk("tty_unregister_driver error=%d\n", rc)=18446744073709551639, rc=0, serial_driver={-18446744073709551617:0}, slgt_device_count=0, slgt_device_list={0:0}, slgt_port_ops={196:0}, synclink_gt_proc_fops={194:0}, tty_dev_prefix={10:0}, tty_driver_name={9:0}, tty_std_termios={18446744073709551708:-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={0:18446744073709551617}, debug_level=0, default_params={193:0}, driver_name={8:0}, hdlcdev_ops={195:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, maxframe={192:0}, ops={197:0}, pci_driver={191:0}, pci_registered=1, pci_table={190:0}, serial_driver={-18446744073709551617:0}, slgt_device_count=0, slgt_device_list={0:0}, slgt_port_ops={196:0}, synclink_gt_proc_fops={194:0}, tty_dev_prefix={10:0}, tty_driver_name={9:0}, tty_std_termios={18446744073709551708:-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={0:18446744073709551617}, debug_level=0, default_params={193:0}, driver_name={8:0}, hdlcdev_ops={195:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, maxframe={192:0}, ops={197:0}, pci_driver={191:0}, pci_registered=1, pci_table={190:0}, serial_driver={-18446744073709551617:0}, slgt_device_count=0, slgt_device_list={0:0}, slgt_port_ops={196:0}, synclink_gt_proc_fops={194:0}, tty_dev_prefix={10:0}, tty_driver_name={9:0}, tty_std_termios={18446744073709551708:-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={0:18446744073709551617}, debug_level=0, default_params={193:0}, driver_name={8:0}, hdlcdev_ops={195:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, maxframe={192:0}, ops={197:0}, pci_driver={191:0}, pci_registered=1, pci_table={190:0}, serial_driver={-18446744073709551617:0}, slgt_device_count=0, slgt_device_list={0:0}, slgt_port_ops={196:0}, synclink_gt_proc_fops={194:0}, tty_dev_prefix={10:0}, tty_driver_name={9:0}, tty_std_termios={18446744073709551708:-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={0:18446744073709551617}, debug_level=0, default_params={193:0}, driver_name={8:0}, hdlcdev_ops={195:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, maxframe={192:0}, ops={197:0}, pci_driver={191:0}, pci_registered=1, pci_table={190:0}, serial_driver={-18446744073709551617:0}, slgt_device_count=0, slgt_device_list={0:0}, slgt_port_ops={196:0}, synclink_gt_proc_fops={194:0}, tty_dev_prefix={10:0}, tty_driver_name={9:0}, tty_std_termios={18446744073709551708:-42}, ttymajor=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 99 procedures, 1955 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 131.9s, OverallIterations: 7, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 122.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 23 mSolverCounterUnknown, 17300 SdHoareTripleChecker+Valid, 117.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 16753 mSDsluCounter, 48051 SdHoareTripleChecker+Invalid, 111.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 28845 mSDsCounter, 554 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 10072 IncrementalHoareTripleChecker+Invalid, 10649 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 554 mSolverCounterUnsat, 22982 mSDtfsCounter, 10072 mSolverCounterSat, 0.2s 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=16800occurred 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: 5.0s AutomataMinimizationTime, 6 MinimizatonAttempts, 3859 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 2.5s InterpolantComputationTime, 200 NumberOfCodeBlocks, 200 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 149 ConstructedInterpolants, 0 QuantifiedInterpolants, 330 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 [2022-11-03 01:48:13,650 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0151bbe-fa57-4089-a63c-0e4900af3372/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0151bbe-fa57-4089-a63c-0e4900af3372/bin/utaipan-7li7fVZpFI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0151bbe-fa57-4089-a63c-0e4900af3372/bin/utaipan-7li7fVZpFI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0151bbe-fa57-4089-a63c-0e4900af3372/bin/utaipan-7li7fVZpFI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0151bbe-fa57-4089-a63c-0e4900af3372/bin/utaipan-7li7fVZpFI/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_b0151bbe-fa57-4089-a63c-0e4900af3372/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0151bbe-fa57-4089-a63c-0e4900af3372/bin/utaipan-7li7fVZpFI --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-5e519f3 [2022-11-03 01:48:16,103 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-03 01:48:16,105 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-03 01:48:16,142 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-03 01:48:16,143 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-03 01:48:16,147 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-03 01:48:16,149 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-03 01:48:16,153 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-03 01:48:16,159 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-03 01:48:16,166 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-03 01:48:16,167 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-03 01:48:16,168 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-03 01:48:16,169 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-03 01:48:16,172 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-03 01:48:16,173 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-03 01:48:16,175 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-03 01:48:16,177 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-03 01:48:16,177 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-03 01:48:16,179 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-03 01:48:16,188 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-03 01:48:16,193 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-03 01:48:16,194 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-03 01:48:16,195 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-03 01:48:16,196 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-03 01:48:16,199 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-03 01:48:16,199 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-03 01:48:16,200 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-03 01:48:16,201 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-03 01:48:16,201 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-03 01:48:16,202 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-03 01:48:16,202 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-03 01:48:16,203 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-03 01:48:16,204 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-03 01:48:16,205 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-03 01:48:16,206 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-03 01:48:16,206 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-03 01:48:16,207 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-03 01:48:16,207 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-03 01:48:16,207 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-03 01:48:16,208 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-03 01:48:16,209 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-03 01:48:16,210 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0151bbe-fa57-4089-a63c-0e4900af3372/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2022-11-03 01:48:16,241 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-03 01:48:16,242 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-03 01:48:16,242 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-03 01:48:16,242 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-03 01:48:16,243 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-03 01:48:16,243 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-03 01:48:16,244 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-03 01:48:16,244 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-03 01:48:16,244 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-03 01:48:16,245 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-03 01:48:16,245 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-03 01:48:16,245 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-03 01:48:16,246 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-03 01:48:16,246 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-03 01:48:16,246 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-03 01:48:16,247 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-03 01:48:16,247 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-03 01:48:16,247 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-03 01:48:16,247 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-03 01:48:16,247 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-03 01:48:16,248 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-03 01:48:16,248 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-03 01:48:16,248 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-03 01:48:16,248 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-03 01:48:16,248 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-03 01:48:16,249 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-03 01:48:16,249 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 01:48:16,249 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-03 01:48:16,249 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-03 01:48:16,250 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-03 01:48:16,250 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-03 01:48:16,250 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-03 01:48:16,250 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-03 01:48:16,250 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-03 01:48:16,251 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-03 01:48:16,251 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_b0151bbe-fa57-4089-a63c-0e4900af3372/bin/utaipan-7li7fVZpFI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0151bbe-fa57-4089-a63c-0e4900af3372/bin/utaipan-7li7fVZpFI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 549d105dbd2b95e1c241c01b48dc69ec107f34e0fb82917a92dcec665dfc2efc [2022-11-03 01:48:16,587 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-03 01:48:16,611 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-03 01:48:16,614 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-03 01:48:16,615 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-03 01:48:16,619 INFO L275 PluginConnector]: CDTParser initialized [2022-11-03 01:48:16,620 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0151bbe-fa57-4089-a63c-0e4900af3372/bin/utaipan-7li7fVZpFI/../../sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-tty-synclink_gt.ko.cil.out.i [2022-11-03 01:48:16,704 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0151bbe-fa57-4089-a63c-0e4900af3372/bin/utaipan-7li7fVZpFI/data/c4f8df005/4dedee6b56ff435a966366c388a99c9b/FLAG87981ff94 [2022-11-03 01:48:17,990 INFO L306 CDTParser]: Found 1 translation units. [2022-11-03 01:48:17,991 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0151bbe-fa57-4089-a63c-0e4900af3372/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-tty-synclink_gt.ko.cil.out.i [2022-11-03 01:48:18,057 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0151bbe-fa57-4089-a63c-0e4900af3372/bin/utaipan-7li7fVZpFI/data/c4f8df005/4dedee6b56ff435a966366c388a99c9b/FLAG87981ff94 [2022-11-03 01:48:18,170 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0151bbe-fa57-4089-a63c-0e4900af3372/bin/utaipan-7li7fVZpFI/data/c4f8df005/4dedee6b56ff435a966366c388a99c9b [2022-11-03 01:48:18,174 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-03 01:48:18,176 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-03 01:48:18,182 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-03 01:48:18,182 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-03 01:48:18,187 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-03 01:48:18,188 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 01:48:18" (1/1) ... [2022-11-03 01:48:18,191 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ce83bfc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:48:18, skipping insertion in model container [2022-11-03 01:48:18,191 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 01:48:18" (1/1) ... [2022-11-03 01:48:18,200 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-03 01:48:18,418 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-03 01:48:21,348 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0151bbe-fa57-4089-a63c-0e4900af3372/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-tty-synclink_gt.ko.cil.out.i[379011,379024] [2022-11-03 01:48:21,411 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 01:48:21,485 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-11-03 01:48:21,586 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-03 01:48:22,126 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0151bbe-fa57-4089-a63c-0e4900af3372/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-tty-synclink_gt.ko.cil.out.i[379011,379024] [2022-11-03 01:48:22,137 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 01:48:22,186 INFO L203 MainTranslator]: Completed pre-run [2022-11-03 01:48:22,793 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0151bbe-fa57-4089-a63c-0e4900af3372/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-tty-synclink_gt.ko.cil.out.i[379011,379024] [2022-11-03 01:48:22,800 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 01:48:23,050 INFO L208 MainTranslator]: Completed translation [2022-11-03 01:48:23,050 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:48:23 WrapperNode [2022-11-03 01:48:23,051 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-03 01:48:23,052 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-03 01:48:23,052 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-03 01:48:23,052 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-03 01:48:23,059 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:48:23" (1/1) ... [2022-11-03 01:48:23,196 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:48:23" (1/1) ... [2022-11-03 01:48:23,468 INFO L138 Inliner]: procedures = 358, calls = 3523, calls flagged for inlining = 191, calls inlined = 172, statements flattened = 8171 [2022-11-03 01:48:23,469 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-03 01:48:23,470 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-03 01:48:23,470 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-03 01:48:23,470 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-03 01:48:23,480 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:48:23" (1/1) ... [2022-11-03 01:48:23,480 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:48:23" (1/1) ... [2022-11-03 01:48:23,524 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:48:23" (1/1) ... [2022-11-03 01:48:23,524 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:48:23" (1/1) ... [2022-11-03 01:48:23,711 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:48:23" (1/1) ... [2022-11-03 01:48:23,751 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:48:23" (1/1) ... [2022-11-03 01:48:23,789 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:48:23" (1/1) ... [2022-11-03 01:48:23,807 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:48:23" (1/1) ... [2022-11-03 01:48:23,851 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-03 01:48:23,852 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-03 01:48:23,853 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-03 01:48:23,853 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-03 01:48:23,854 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:48:23" (1/1) ... [2022-11-03 01:48:23,860 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 01:48:23,870 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0151bbe-fa57-4089-a63c-0e4900af3372/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 01:48:23,882 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0151bbe-fa57-4089-a63c-0e4900af3372/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-03 01:48:23,915 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0151bbe-fa57-4089-a63c-0e4900af3372/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-03 01:48:23,942 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-11-03 01:48:23,942 INFO L130 BoogieDeclarations]: Found specification of procedure remove_wait_queue [2022-11-03 01:48:23,942 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_wait_queue [2022-11-03 01:48:23,943 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-11-03 01:48:23,943 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2022-11-03 01:48:23,943 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-11-03 01:48:23,943 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-03 01:48:23,943 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-11-03 01:48:23,943 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-03 01:48:23,944 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-11-03 01:48:23,944 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-11-03 01:48:23,944 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-11-03 01:48:23,944 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-11-03 01:48:23,944 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-11-03 01:48:23,945 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-11-03 01:48:23,945 INFO L130 BoogieDeclarations]: Found specification of procedure set_signals [2022-11-03 01:48:23,945 INFO L138 BoogieDeclarations]: Found implementation of procedure set_signals [2022-11-03 01:48:23,945 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-03 01:48:23,945 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-03 01:48:23,946 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_dma_bufs [2022-11-03 01:48:23,946 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_dma_bufs [2022-11-03 01:48:23,946 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2022-11-03 01:48:23,946 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2022-11-03 01:48:23,946 INFO L130 BoogieDeclarations]: Found specification of procedure tty_insert_flip_char [2022-11-03 01:48:23,946 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_insert_flip_char [2022-11-03 01:48:23,947 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-11-03 01:48:23,947 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-11-03 01:48:23,947 INFO L130 BoogieDeclarations]: Found specification of procedure tx_stop [2022-11-03 01:48:23,947 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_stop [2022-11-03 01:48:23,947 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2022-11-03 01:48:23,948 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2022-11-03 01:48:23,948 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2022-11-03 01:48:23,948 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2022-11-03 01:48:23,948 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-11-03 01:48:23,948 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-11-03 01:48:23,949 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-03 01:48:23,949 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-03 01:48:23,949 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-11-03 01:48:23,949 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-11-03 01:48:23,949 INFO L130 BoogieDeclarations]: Found specification of procedure free_bufs [2022-11-03 01:48:23,949 INFO L138 BoogieDeclarations]: Found implementation of procedure free_bufs [2022-11-03 01:48:23,950 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2022-11-03 01:48:23,950 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2022-11-03 01:48:23,950 INFO L130 BoogieDeclarations]: Found specification of procedure change_params [2022-11-03 01:48:23,950 INFO L138 BoogieDeclarations]: Found implementation of procedure change_params [2022-11-03 01:48:23,950 INFO L130 BoogieDeclarations]: Found specification of procedure msleep_interruptible [2022-11-03 01:48:23,951 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep_interruptible [2022-11-03 01:48:23,951 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2022-11-03 01:48:23,951 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2022-11-03 01:48:23,951 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-03 01:48:23,951 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-03 01:48:23,952 INFO L130 BoogieDeclarations]: Found specification of procedure tx_start [2022-11-03 01:48:23,952 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_start [2022-11-03 01:48:23,952 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-03 01:48:23,952 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-11-03 01:48:23,952 INFO L130 BoogieDeclarations]: Found specification of procedure startup [2022-11-03 01:48:23,952 INFO L138 BoogieDeclarations]: Found implementation of procedure startup [2022-11-03 01:48:23,953 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-03 01:48:23,953 INFO L130 BoogieDeclarations]: Found specification of procedure reset_rbufs [2022-11-03 01:48:23,953 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_rbufs [2022-11-03 01:48:23,953 INFO L130 BoogieDeclarations]: Found specification of procedure wait_until_sent [2022-11-03 01:48:23,953 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_until_sent [2022-11-03 01:48:23,954 INFO L130 BoogieDeclarations]: Found specification of procedure signal_pending [2022-11-03 01:48:23,954 INFO L138 BoogieDeclarations]: Found implementation of procedure signal_pending [2022-11-03 01:48:23,954 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-03 01:48:23,954 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-03 01:48:23,954 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-11-03 01:48:23,955 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-11-03 01:48:23,955 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-11-03 01:48:23,955 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_blast_assert [2022-11-03 01:48:23,955 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_blast_assert [2022-11-03 01:48:23,955 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-03 01:48:23,955 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-11-03 01:48:23,956 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-03 01:48:23,956 INFO L130 BoogieDeclarations]: Found specification of procedure set_rate [2022-11-03 01:48:23,956 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rate [2022-11-03 01:48:23,956 INFO L130 BoogieDeclarations]: Found specification of procedure free_rbufs [2022-11-03 01:48:23,956 INFO L138 BoogieDeclarations]: Found implementation of procedure free_rbufs [2022-11-03 01:48:23,956 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2022-11-03 01:48:23,957 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2022-11-03 01:48:23,957 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2022-11-03 01:48:23,957 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-03 01:48:23,957 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-11-03 01:48:23,957 INFO L130 BoogieDeclarations]: Found specification of procedure async_mode [2022-11-03 01:48:23,958 INFO L138 BoogieDeclarations]: Found implementation of procedure async_mode [2022-11-03 01:48:23,958 INFO L130 BoogieDeclarations]: Found specification of procedure ioctl [2022-11-03 01:48:23,958 INFO L138 BoogieDeclarations]: Found implementation of procedure ioctl [2022-11-03 01:48:23,958 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-11-03 01:48:23,958 INFO L130 BoogieDeclarations]: Found specification of procedure put_tty_driver [2022-11-03 01:48:23,958 INFO L138 BoogieDeclarations]: Found implementation of procedure put_tty_driver [2022-11-03 01:48:23,959 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-11-03 01:48:23,959 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-11-03 01:48:23,959 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-11-03 01:48:23,959 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-11-03 01:48:23,959 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-11-03 01:48:23,959 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-11-03 01:48:23,960 INFO L130 BoogieDeclarations]: Found specification of procedure add_wait_queue [2022-11-03 01:48:23,960 INFO L138 BoogieDeclarations]: Found implementation of procedure add_wait_queue [2022-11-03 01:48:23,960 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-11-03 01:48:23,960 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-11-03 01:48:23,960 INFO L130 BoogieDeclarations]: Found specification of procedure rx_stop [2022-11-03 01:48:23,960 INFO L138 BoogieDeclarations]: Found implementation of procedure rx_stop [2022-11-03 01:48:23,961 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-11-03 01:48:23,961 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-11-03 01:48:23,961 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2022-11-03 01:48:23,961 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2022-11-03 01:48:23,961 INFO L130 BoogieDeclarations]: Found specification of procedure update_tx_timer [2022-11-03 01:48:23,962 INFO L138 BoogieDeclarations]: Found implementation of procedure update_tx_timer [2022-11-03 01:48:23,962 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_bufs [2022-11-03 01:48:23,962 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_bufs [2022-11-03 01:48:23,962 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2022-11-03 01:48:23,962 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2022-11-03 01:48:23,963 INFO L130 BoogieDeclarations]: Found specification of procedure msc_set_vcr [2022-11-03 01:48:23,963 INFO L138 BoogieDeclarations]: Found implementation of procedure msc_set_vcr [2022-11-03 01:48:23,963 INFO L130 BoogieDeclarations]: Found specification of procedure isr_txeom [2022-11-03 01:48:23,963 INFO L138 BoogieDeclarations]: Found implementation of procedure isr_txeom [2022-11-03 01:48:23,963 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-11-03 01:48:23,963 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-11-03 01:48:23,964 INFO L130 BoogieDeclarations]: Found specification of procedure setup_timer_key [2022-11-03 01:48:23,964 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_timer_key [2022-11-03 01:48:23,964 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-11-03 01:48:23,964 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-11-03 01:48:23,964 INFO L130 BoogieDeclarations]: Found specification of procedure rdma_reset [2022-11-03 01:48:23,965 INFO L138 BoogieDeclarations]: Found implementation of procedure rdma_reset [2022-11-03 01:48:23,965 INFO L130 BoogieDeclarations]: Found specification of procedure tty_hung_up_p [2022-11-03 01:48:23,965 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_hung_up_p [2022-11-03 01:48:23,965 INFO L130 BoogieDeclarations]: Found specification of procedure release_resources [2022-11-03 01:48:23,965 INFO L138 BoogieDeclarations]: Found implementation of procedure release_resources [2022-11-03 01:48:23,965 INFO L130 BoogieDeclarations]: Found specification of procedure slgt_cleanup [2022-11-03 01:48:23,966 INFO L138 BoogieDeclarations]: Found implementation of procedure slgt_cleanup [2022-11-03 01:48:23,966 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-11-03 01:48:23,966 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-11-03 01:48:23,966 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-11-03 01:48:23,966 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-11-03 01:48:23,967 INFO L130 BoogieDeclarations]: Found specification of procedure dev_to_hdlc [2022-11-03 01:48:23,967 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_to_hdlc [2022-11-03 01:48:23,967 INFO L130 BoogieDeclarations]: Found specification of procedure tx_set_idle [2022-11-03 01:48:23,967 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_set_idle [2022-11-03 01:48:23,967 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2022-11-03 01:48:23,967 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2022-11-03 01:48:23,968 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-03 01:48:23,968 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-03 01:48:23,968 INFO L130 BoogieDeclarations]: Found specification of procedure enable_loopback [2022-11-03 01:48:23,968 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_loopback [2022-11-03 01:48:23,968 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-11-03 01:48:23,968 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-11-03 01:48:23,969 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-03 01:48:23,969 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-03 01:48:23,969 INFO L130 BoogieDeclarations]: Found specification of procedure tx_load [2022-11-03 01:48:23,969 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_load [2022-11-03 01:48:23,969 INFO L130 BoogieDeclarations]: Found specification of procedure wr_reg32 [2022-11-03 01:48:23,969 INFO L138 BoogieDeclarations]: Found implementation of procedure wr_reg32 [2022-11-03 01:48:23,970 INFO L130 BoogieDeclarations]: Found specification of procedure hdlcdev_tx_done [2022-11-03 01:48:23,970 INFO L138 BoogieDeclarations]: Found implementation of procedure hdlcdev_tx_done [2022-11-03 01:48:23,970 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-11-03 01:48:23,970 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-11-03 01:48:23,970 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2022-11-03 01:48:23,970 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2022-11-03 01:48:23,971 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-11-03 01:48:23,971 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-11-03 01:48:23,971 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-11-03 01:48:23,971 INFO L130 BoogieDeclarations]: Found specification of procedure program_hw [2022-11-03 01:48:23,971 INFO L138 BoogieDeclarations]: Found implementation of procedure program_hw [2022-11-03 01:48:23,971 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-11-03 01:48:23,972 INFO L130 BoogieDeclarations]: Found specification of procedure rd_reg32 [2022-11-03 01:48:23,972 INFO L138 BoogieDeclarations]: Found implementation of procedure rd_reg32 [2022-11-03 01:48:23,972 INFO L130 BoogieDeclarations]: Found specification of procedure isr_rxdata [2022-11-03 01:48:23,972 INFO L138 BoogieDeclarations]: Found implementation of procedure isr_rxdata [2022-11-03 01:48:23,972 INFO L130 BoogieDeclarations]: Found specification of procedure reset_port [2022-11-03 01:48:23,973 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_port [2022-11-03 01:48:23,973 INFO L130 BoogieDeclarations]: Found specification of procedure tbuf_bytes [2022-11-03 01:48:23,973 INFO L138 BoogieDeclarations]: Found implementation of procedure tbuf_bytes [2022-11-03 01:48:23,973 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-03 01:48:23,973 INFO L130 BoogieDeclarations]: Found specification of procedure compat_ptr [2022-11-03 01:48:23,973 INFO L138 BoogieDeclarations]: Found implementation of procedure compat_ptr [2022-11-03 01:48:23,974 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2022-11-03 01:48:23,974 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2022-11-03 01:48:23,974 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-03 01:48:23,974 INFO L130 BoogieDeclarations]: Found specification of procedure tty_wakeup [2022-11-03 01:48:23,974 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_wakeup [2022-11-03 01:48:23,974 INFO L130 BoogieDeclarations]: Found specification of procedure flush_buffer [2022-11-03 01:48:23,975 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_buffer [2022-11-03 01:48:23,975 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-03 01:48:23,975 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-03 01:48:23,979 INFO L130 BoogieDeclarations]: Found specification of procedure wr_reg16 [2022-11-03 01:48:23,979 INFO L138 BoogieDeclarations]: Found implementation of procedure wr_reg16 [2022-11-03 01:48:23,980 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-11-03 01:48:23,980 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-11-03 01:48:23,980 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-11-03 01:48:23,982 INFO L130 BoogieDeclarations]: Found specification of procedure tx_release [2022-11-03 01:48:23,982 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_release [2022-11-03 01:48:23,982 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2022-11-03 01:48:23,982 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2022-11-03 01:48:23,982 INFO L130 BoogieDeclarations]: Found specification of procedure rd_reg16 [2022-11-03 01:48:23,982 INFO L138 BoogieDeclarations]: Found implementation of procedure rd_reg16 [2022-11-03 01:48:23,983 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-11-03 01:48:23,983 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-11-03 01:48:23,983 INFO L130 BoogieDeclarations]: Found specification of procedure sync_mode [2022-11-03 01:48:23,983 INFO L138 BoogieDeclarations]: Found implementation of procedure sync_mode [2022-11-03 01:48:23,983 INFO L130 BoogieDeclarations]: Found specification of procedure shutdown [2022-11-03 01:48:23,983 INFO L138 BoogieDeclarations]: Found implementation of procedure shutdown [2022-11-03 01:48:23,984 INFO L130 BoogieDeclarations]: Found specification of procedure send_xchar [2022-11-03 01:48:23,984 INFO L138 BoogieDeclarations]: Found implementation of procedure send_xchar [2022-11-03 01:48:23,984 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-03 01:48:23,984 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-03 01:48:23,984 INFO L130 BoogieDeclarations]: Found specification of procedure hdlc_ioctl [2022-11-03 01:48:23,984 INFO L138 BoogieDeclarations]: Found implementation of procedure hdlc_ioctl [2022-11-03 01:48:23,985 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-11-03 01:48:23,985 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-11-03 01:48:23,985 INFO L130 BoogieDeclarations]: Found specification of procedure free_tmp_rbuf [2022-11-03 01:48:23,985 INFO L138 BoogieDeclarations]: Found implementation of procedure free_tmp_rbuf [2022-11-03 01:48:23,985 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2022-11-03 01:48:23,985 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2022-11-03 01:48:23,986 INFO L130 BoogieDeclarations]: Found specification of procedure tdma_reset [2022-11-03 01:48:23,986 INFO L138 BoogieDeclarations]: Found implementation of procedure tdma_reset [2022-11-03 01:48:23,986 INFO L130 BoogieDeclarations]: Found specification of procedure get_signals [2022-11-03 01:48:23,986 INFO L138 BoogieDeclarations]: Found implementation of procedure get_signals [2022-11-03 01:48:23,986 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-11-03 01:48:23,986 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-11-03 01:48:23,987 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-11-03 01:48:23,987 INFO L130 BoogieDeclarations]: Found specification of procedure rx_start [2022-11-03 01:48:23,987 INFO L138 BoogieDeclarations]: Found implementation of procedure rx_start [2022-11-03 01:48:23,987 INFO L130 BoogieDeclarations]: Found specification of procedure trace_block [2022-11-03 01:48:23,987 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_block [2022-11-03 01:48:23,987 INFO L130 BoogieDeclarations]: Found specification of procedure wr_reg8 [2022-11-03 01:48:23,988 INFO L138 BoogieDeclarations]: Found implementation of procedure wr_reg8 [2022-11-03 01:48:23,988 INFO L130 BoogieDeclarations]: Found specification of procedure sanity_check [2022-11-03 01:48:23,988 INFO L138 BoogieDeclarations]: Found implementation of procedure sanity_check [2022-11-03 01:48:23,988 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-03 01:48:23,988 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-03 01:48:25,336 INFO L235 CfgBuilder]: Building ICFG [2022-11-03 01:48:25,340 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-03 01:48:25,868 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-11-03 01:48:25,965 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##21: assume !false; [2022-11-03 01:48:25,965 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##20: assume false; [2022-11-03 01:48:28,213 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2022-11-03 01:48:28,213 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2022-11-03 01:48:34,407 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-11-03 01:48:35,143 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##20: assume !false; [2022-11-03 01:48:35,143 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##19: assume false; [2022-11-03 01:48:36,186 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-11-03 01:48:36,189 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-11-03 01:48:36,744 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##61: assume !false; [2022-11-03 01:48:36,744 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##60: assume false; [2022-11-03 01:48:36,744 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##132: assume !false; [2022-11-03 01:48:36,744 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##131: assume false; [2022-11-03 01:48:38,175 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-11-03 01:49:03,219 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 [2022-11-03 01:49:03,219 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; [2022-11-03 01:49:03,219 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 [2022-11-03 01:49:03,220 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; [2022-11-03 01:49:03,220 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##265: assume !false; [2022-11-03 01:49:03,220 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##264: assume false; [2022-11-03 01:49:03,220 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##276: assume false; [2022-11-03 01:49:03,220 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##277: assume !false; [2022-11-03 01:49:03,221 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##232: assume false; [2022-11-03 01:49:03,221 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##233: assume !false; [2022-11-03 01:49:03,221 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##241: assume !false; [2022-11-03 01:49:03,221 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##240: assume false; [2022-11-03 01:49:03,221 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; [2022-11-03 01:49:03,222 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 [2022-11-03 01:49:03,222 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##304: assume !false; [2022-11-03 01:49:03,222 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##303: assume false; [2022-11-03 01:49:03,222 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; [2022-11-03 01:49:03,222 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 [2022-11-03 01:49:03,223 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 [2022-11-03 01:49:03,223 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; [2022-11-03 01:49:03,223 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 [2022-11-03 01:49:03,223 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; [2022-11-03 01:49:03,223 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 [2022-11-03 01:49:03,224 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; [2022-11-03 01:49:03,224 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##76: assume !false; [2022-11-03 01:49:03,224 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##75: assume false; [2022-11-03 01:49:03,224 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##69: assume !false; [2022-11-03 01:49:03,224 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##68: assume false; [2022-11-03 01:49:03,224 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##195: assume false; [2022-11-03 01:49:03,225 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##196: assume !false; [2022-11-03 01:49:03,225 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##40: assume !false; [2022-11-03 01:49:03,225 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##39: assume false; [2022-11-03 01:49:03,225 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##139: assume !false; [2022-11-03 01:49:03,225 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##138: assume false; [2022-11-03 01:49:03,226 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 [2022-11-03 01:49:03,226 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; [2022-11-03 01:49:03,226 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##389: assume false; [2022-11-03 01:49:03,226 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##151: assume !false; [2022-11-03 01:49:03,226 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##150: assume false; [2022-11-03 01:49:03,226 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##390: assume !false; [2022-11-03 01:49:03,227 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##155: assume false; [2022-11-03 01:49:03,227 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##156: assume !false; [2022-11-03 01:49:03,227 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##162: assume false; [2022-11-03 01:49:03,227 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##163: assume !false; [2022-11-03 01:49:03,227 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##327: assume !false; [2022-11-03 01:49:03,227 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##326: assume false; [2022-11-03 01:49:05,837 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-11-03 01:49:05,840 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-11-03 01:49:05,852 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-11-03 01:49:05,853 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-11-03 01:49:05,854 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-11-03 01:50:00,736 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; [2022-11-03 01:50:00,737 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##288: assume false; [2022-11-03 01:50:00,737 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##301: assume !false; [2022-11-03 01:50:00,737 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##300: assume false; [2022-11-03 01:50:00,737 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##323: assume !false; [2022-11-03 01:50:00,737 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##322: assume false; [2022-11-03 01:50:00,737 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 [2022-11-03 01:50:00,737 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; [2022-11-03 01:50:00,738 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##399: assume false; [2022-11-03 01:50:00,738 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##423: assume false; [2022-11-03 01:50:00,738 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##424: assume !false; [2022-11-03 01:50:00,738 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##400: assume !false; [2022-11-03 01:50:00,738 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; [2022-11-03 01:50:00,738 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 [2022-11-03 01:50:00,739 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##78: assume !false; [2022-11-03 01:50:00,739 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##77: assume false; [2022-11-03 01:50:00,739 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##133: assume !false; [2022-11-03 01:50:00,739 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##132: assume false; [2022-11-03 01:50:02,564 INFO L276 CfgBuilder]: Performing block encoding [2022-11-03 01:50:02,603 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-03 01:50:02,603 INFO L300 CfgBuilder]: Removed 17 assume(true) statements. [2022-11-03 01:50:02,609 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 01:50:02 BoogieIcfgContainer [2022-11-03 01:50:02,609 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-03 01:50:02,613 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-03 01:50:02,613 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-03 01:50:02,616 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-03 01:50:02,617 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 01:48:18" (1/3) ... [2022-11-03 01:50:02,617 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ab52984 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 01:50:02, skipping insertion in model container [2022-11-03 01:50:02,618 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:48:23" (2/3) ... [2022-11-03 01:50:02,618 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ab52984 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 01:50:02, skipping insertion in model container [2022-11-03 01:50:02,618 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 01:50:02" (3/3) ... [2022-11-03 01:50:02,620 INFO L112 eAbstractionObserver]: Analyzing ICFG module_get_put-drivers-tty-synclink_gt.ko.cil.out.i [2022-11-03 01:50:02,653 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-03 01:50:02,659 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-03 01:50:02,794 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-03 01:50:02,802 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;@1dd2cea3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-03 01:50:02,802 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-03 01:50:02,818 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) [2022-11-03 01:50:02,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-03 01:50:02,828 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:50:02,829 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:50:02,829 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:50:02,837 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:50:02,837 INFO L85 PathProgramCache]: Analyzing trace with hash 1683062230, now seen corresponding path program 1 times [2022-11-03 01:50:02,858 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 01:50:02,859 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [740804716] [2022-11-03 01:50:02,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:50:02,860 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 01:50:02,860 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0151bbe-fa57-4089-a63c-0e4900af3372/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 01:50:02,867 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0151bbe-fa57-4089-a63c-0e4900af3372/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 01:50:02,920 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0151bbe-fa57-4089-a63c-0e4900af3372/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-11-03 01:50:04,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:50:04,425 INFO L263 TraceCheckSpWp]: Trace formula consists of 1128 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-03 01:50:04,431 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 01:50:04,999 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 01:50:04,999 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 01:50:05,000 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 01:50:05,000 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [740804716] [2022-11-03 01:50:05,001 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [740804716] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:50:05,001 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:50:05,001 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-03 01:50:05,003 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [668039292] [2022-11-03 01:50:05,004 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:50:05,008 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 01:50:05,008 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 01:50:05,037 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 01:50:05,038 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 01:50:05,047 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) [2022-11-03 01:50:05,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:50:05,719 INFO L93 Difference]: Finished difference Result 8125 states and 12244 transitions. [2022-11-03 01:50:05,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 01:50:05,723 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 [2022-11-03 01:50:05,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:50:05,792 INFO L225 Difference]: With dead ends: 8125 [2022-11-03 01:50:05,793 INFO L226 Difference]: Without dead ends: 5402 [2022-11-03 01:50:05,820 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 [2022-11-03 01:50:05,827 INFO L413 NwaCegarLoop]: 5821 mSDtfsCounter, 4020 mSDsluCounter, 4000 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s 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 [2022-11-03 01:50:05,831 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] [2022-11-03 01:50:05,861 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5402 states. [2022-11-03 01:50:06,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5402 to 5399. [2022-11-03 01:50:06,295 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) [2022-11-03 01:50:06,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5399 states to 5399 states and 8018 transitions. [2022-11-03 01:50:06,347 INFO L78 Accepts]: Start accepts. Automaton has 5399 states and 8018 transitions. Word has length 17 [2022-11-03 01:50:06,347 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:50:06,348 INFO L495 AbstractCegarLoop]: Abstraction has 5399 states and 8018 transitions. [2022-11-03 01:50:06,352 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) [2022-11-03 01:50:06,353 INFO L276 IsEmpty]: Start isEmpty. Operand 5399 states and 8018 transitions. [2022-11-03 01:50:06,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-11-03 01:50:06,370 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:50:06,371 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] [2022-11-03 01:50:06,403 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0151bbe-fa57-4089-a63c-0e4900af3372/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (2)] Ended with exit code 0 [2022-11-03 01:50:06,591 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0151bbe-fa57-4089-a63c-0e4900af3372/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 01:50:06,592 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:50:06,592 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:50:06,592 INFO L85 PathProgramCache]: Analyzing trace with hash -724110025, now seen corresponding path program 1 times [2022-11-03 01:50:06,594 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 01:50:06,594 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [177479750] [2022-11-03 01:50:06,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:50:06,594 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 01:50:06,595 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0151bbe-fa57-4089-a63c-0e4900af3372/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 01:50:06,596 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0151bbe-fa57-4089-a63c-0e4900af3372/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 01:50:06,647 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0151bbe-fa57-4089-a63c-0e4900af3372/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-11-03 01:50:07,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:50:07,991 INFO L263 TraceCheckSpWp]: Trace formula consists of 1210 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-03 01:50:07,995 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 01:50:08,236 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 01:50:08,237 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 01:50:08,237 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 01:50:08,237 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [177479750] [2022-11-03 01:50:08,238 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [177479750] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:50:08,238 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:50:08,238 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 01:50:08,238 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2110138905] [2022-11-03 01:50:08,239 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:50:08,240 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 01:50:08,240 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 01:50:08,241 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 01:50:08,241 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 01:50:08,241 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) [2022-11-03 01:50:08,820 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:50:08,820 INFO L93 Difference]: Finished difference Result 10703 states and 15909 transitions. [2022-11-03 01:50:08,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 01:50:08,821 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 [2022-11-03 01:50:08,821 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:50:08,856 INFO L225 Difference]: With dead ends: 10703 [2022-11-03 01:50:08,856 INFO L226 Difference]: Without dead ends: 5399 [2022-11-03 01:50:08,880 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 [2022-11-03 01:50:08,881 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, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-03 01:50:08,882 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 12087 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-03 01:50:08,890 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5399 states. [2022-11-03 01:50:09,104 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5399 to 5399. [2022-11-03 01:50:09,117 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) [2022-11-03 01:50:09,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5399 states to 5399 states and 8017 transitions. [2022-11-03 01:50:09,159 INFO L78 Accepts]: Start accepts. Automaton has 5399 states and 8017 transitions. Word has length 54 [2022-11-03 01:50:09,160 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:50:09,160 INFO L495 AbstractCegarLoop]: Abstraction has 5399 states and 8017 transitions. [2022-11-03 01:50:09,160 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) [2022-11-03 01:50:09,161 INFO L276 IsEmpty]: Start isEmpty. Operand 5399 states and 8017 transitions. [2022-11-03 01:50:09,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-11-03 01:50:09,169 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:50:09,169 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] [2022-11-03 01:50:09,201 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0151bbe-fa57-4089-a63c-0e4900af3372/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-11-03 01:50:09,383 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0151bbe-fa57-4089-a63c-0e4900af3372/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 01:50:09,384 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:50:09,384 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:50:09,384 INFO L85 PathProgramCache]: Analyzing trace with hash 1735445289, now seen corresponding path program 1 times [2022-11-03 01:50:09,387 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 01:50:09,387 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [289371359] [2022-11-03 01:50:09,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:50:09,387 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 01:50:09,387 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0151bbe-fa57-4089-a63c-0e4900af3372/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 01:50:09,389 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0151bbe-fa57-4089-a63c-0e4900af3372/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 01:50:09,460 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0151bbe-fa57-4089-a63c-0e4900af3372/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-11-03 01:50:11,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:50:11,703 INFO L263 TraceCheckSpWp]: Trace formula consists of 2182 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-03 01:50:11,707 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 01:50:12,848 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 01:50:12,848 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 01:50:12,848 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 01:50:12,849 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [289371359] [2022-11-03 01:50:12,849 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [289371359] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:50:12,849 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:50:12,849 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 01:50:12,849 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [950690522] [2022-11-03 01:50:12,850 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:50:12,850 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 01:50:12,851 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 01:50:12,851 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 01:50:12,851 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-03 01:50:12,852 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) [2022-11-03 01:50:16,041 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:50:17,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:50:17,609 INFO L93 Difference]: Finished difference Result 16162 states and 24022 transitions. [2022-11-03 01:50:17,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 01:50:17,610 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 [2022-11-03 01:50:17,610 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:50:17,681 INFO L225 Difference]: With dead ends: 16162 [2022-11-03 01:50:17,682 INFO L226 Difference]: Without dead ends: 10767 [2022-11-03 01:50:17,706 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2022-11-03 01:50:17,709 INFO L413 NwaCegarLoop]: 7724 mSDtfsCounter, 3999 mSDsluCounter, 27173 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 5 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4005 SdHoareTripleChecker+Valid, 34897 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2022-11-03 01:50:17,714 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4005 Valid, 34897 Invalid, 43 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5 Valid, 37 Invalid, 1 Unknown, 0 Unchecked, 3.3s Time] [2022-11-03 01:50:17,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10767 states. [2022-11-03 01:50:18,332 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10767 to 10753. [2022-11-03 01:50:18,362 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) [2022-11-03 01:50:18,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10753 states to 10753 states and 15980 transitions. [2022-11-03 01:50:18,444 INFO L78 Accepts]: Start accepts. Automaton has 10753 states and 15980 transitions. Word has length 61 [2022-11-03 01:50:18,444 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:50:18,445 INFO L495 AbstractCegarLoop]: Abstraction has 10753 states and 15980 transitions. [2022-11-03 01:50:18,446 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) [2022-11-03 01:50:18,446 INFO L276 IsEmpty]: Start isEmpty. Operand 10753 states and 15980 transitions. [2022-11-03 01:50:18,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-11-03 01:50:18,525 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:50:18,525 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] [2022-11-03 01:50:18,588 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0151bbe-fa57-4089-a63c-0e4900af3372/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-11-03 01:50:18,725 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0151bbe-fa57-4089-a63c-0e4900af3372/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 01:50:18,726 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:50:18,726 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:50:18,726 INFO L85 PathProgramCache]: Analyzing trace with hash 1755782664, now seen corresponding path program 1 times [2022-11-03 01:50:18,729 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 01:50:18,729 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [605360031] [2022-11-03 01:50:18,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:50:18,730 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 01:50:18,730 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0151bbe-fa57-4089-a63c-0e4900af3372/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 01:50:18,735 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0151bbe-fa57-4089-a63c-0e4900af3372/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 01:50:18,743 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0151bbe-fa57-4089-a63c-0e4900af3372/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-11-03 01:50:20,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:50:21,039 INFO L263 TraceCheckSpWp]: Trace formula consists of 2188 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-03 01:50:21,045 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 01:50:21,487 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 01:50:21,487 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 01:50:21,487 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 01:50:21,488 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [605360031] [2022-11-03 01:50:21,488 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [605360031] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:50:21,488 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:50:21,488 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-03 01:50:21,489 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1801008998] [2022-11-03 01:50:21,489 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:50:21,489 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 01:50:21,489 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 01:50:21,490 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 01:50:21,490 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-03 01:50:21,491 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) [2022-11-03 01:50:24,090 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:50:24,090 INFO L93 Difference]: Finished difference Result 18231 states and 27325 transitions. [2022-11-03 01:50:24,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-03 01:50:24,092 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 [2022-11-03 01:50:24,092 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:50:24,172 INFO L225 Difference]: With dead ends: 18231 [2022-11-03 01:50:24,172 INFO L226 Difference]: Without dead ends: 12861 [2022-11-03 01:50:24,201 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 [2022-11-03 01:50:24,202 INFO L413 NwaCegarLoop]: 5539 mSDtfsCounter, 3407 mSDsluCounter, 12800 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 812 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3407 SdHoareTripleChecker+Valid, 18339 SdHoareTripleChecker+Invalid, 830 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 812 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-11-03 01:50:24,203 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3407 Valid, 18339 Invalid, 830 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [812 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-11-03 01:50:24,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12861 states. [2022-11-03 01:50:25,018 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12861 to 10759. [2022-11-03 01:50:25,035 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) [2022-11-03 01:50:25,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10759 states to 10759 states and 15986 transitions. [2022-11-03 01:50:25,086 INFO L78 Accepts]: Start accepts. Automaton has 10759 states and 15986 transitions. Word has length 61 [2022-11-03 01:50:25,088 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:50:25,089 INFO L495 AbstractCegarLoop]: Abstraction has 10759 states and 15986 transitions. [2022-11-03 01:50:25,089 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) [2022-11-03 01:50:25,089 INFO L276 IsEmpty]: Start isEmpty. Operand 10759 states and 15986 transitions. [2022-11-03 01:50:25,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-11-03 01:50:25,097 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:50:25,097 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] [2022-11-03 01:50:25,156 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0151bbe-fa57-4089-a63c-0e4900af3372/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-11-03 01:50:25,319 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0151bbe-fa57-4089-a63c-0e4900af3372/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 01:50:25,320 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:50:25,320 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:50:25,320 INFO L85 PathProgramCache]: Analyzing trace with hash -205695727, now seen corresponding path program 1 times [2022-11-03 01:50:25,323 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 01:50:25,323 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1155210910] [2022-11-03 01:50:25,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:50:25,324 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 01:50:25,324 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0151bbe-fa57-4089-a63c-0e4900af3372/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 01:50:25,325 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0151bbe-fa57-4089-a63c-0e4900af3372/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 01:50:25,369 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0151bbe-fa57-4089-a63c-0e4900af3372/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-11-03 01:50:27,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:50:27,484 INFO L263 TraceCheckSpWp]: Trace formula consists of 2195 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-03 01:50:27,486 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 01:50:28,848 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 01:50:28,848 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 01:50:28,848 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 01:50:28,849 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1155210910] [2022-11-03 01:50:28,849 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1155210910] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:50:28,849 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:50:28,849 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-03 01:50:28,849 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1823535761] [2022-11-03 01:50:28,849 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:50:28,850 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 01:50:28,850 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 01:50:28,850 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 01:50:28,850 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 01:50:28,850 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) [2022-11-03 01:50:31,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:50:31,265 INFO L93 Difference]: Finished difference Result 21413 states and 31947 transitions. [2022-11-03 01:50:31,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 01:50:31,266 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 [2022-11-03 01:50:31,266 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:50:31,327 INFO L225 Difference]: With dead ends: 21413 [2022-11-03 01:50:31,327 INFO L226 Difference]: Without dead ends: 10679 [2022-11-03 01:50:31,381 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 [2022-11-03 01:50:31,382 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 [2022-11-03 01:50:31,382 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] [2022-11-03 01:50:31,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10679 states. [2022-11-03 01:50:32,222 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10679 to 10679. [2022-11-03 01:50:32,237 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) [2022-11-03 01:50:32,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10679 states to 10679 states and 15531 transitions. [2022-11-03 01:50:32,289 INFO L78 Accepts]: Start accepts. Automaton has 10679 states and 15531 transitions. Word has length 65 [2022-11-03 01:50:32,289 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:50:32,289 INFO L495 AbstractCegarLoop]: Abstraction has 10679 states and 15531 transitions. [2022-11-03 01:50:32,290 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) [2022-11-03 01:50:32,290 INFO L276 IsEmpty]: Start isEmpty. Operand 10679 states and 15531 transitions. [2022-11-03 01:50:32,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-11-03 01:50:32,296 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:50:32,297 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] [2022-11-03 01:50:32,361 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0151bbe-fa57-4089-a63c-0e4900af3372/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-11-03 01:50:32,519 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0151bbe-fa57-4089-a63c-0e4900af3372/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 01:50:32,520 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:50:32,520 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:50:32,520 INFO L85 PathProgramCache]: Analyzing trace with hash -143656113, now seen corresponding path program 1 times [2022-11-03 01:50:32,523 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 01:50:32,523 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1544350494] [2022-11-03 01:50:32,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:50:32,523 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 01:50:32,524 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0151bbe-fa57-4089-a63c-0e4900af3372/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 01:50:32,525 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0151bbe-fa57-4089-a63c-0e4900af3372/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 01:50:32,563 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0151bbe-fa57-4089-a63c-0e4900af3372/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-11-03 01:50:34,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:50:34,632 INFO L263 TraceCheckSpWp]: Trace formula consists of 2195 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-03 01:50:34,634 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 01:50:36,312 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 01:50:36,312 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 01:50:36,312 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 01:50:36,312 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1544350494] [2022-11-03 01:50:36,312 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1544350494] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:50:36,313 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:50:36,313 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 01:50:36,313 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1421592914] [2022-11-03 01:50:36,313 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:50:36,313 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 01:50:36,314 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 01:50:36,314 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 01:50:36,314 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 01:50:36,314 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) [2022-11-03 01:50:37,488 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:50:37,488 INFO L93 Difference]: Finished difference Result 16018 states and 23291 transitions. [2022-11-03 01:50:37,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 01:50:37,491 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 [2022-11-03 01:50:37,491 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:50:37,548 INFO L225 Difference]: With dead ends: 16018 [2022-11-03 01:50:37,548 INFO L226 Difference]: Without dead ends: 10687 [2022-11-03 01:50:37,570 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 [2022-11-03 01:50:37,571 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, 0.3s IncrementalHoareTripleChecker+Time [2022-11-03 01:50:37,572 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3865 Valid, 8788 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-03 01:50:37,585 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10687 states. [2022-11-03 01:50:38,508 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10687 to 10679. [2022-11-03 01:50:38,525 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) [2022-11-03 01:50:38,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10679 states to 10679 states and 15529 transitions. [2022-11-03 01:50:38,571 INFO L78 Accepts]: Start accepts. Automaton has 10679 states and 15529 transitions. Word has length 65 [2022-11-03 01:50:38,571 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:50:38,571 INFO L495 AbstractCegarLoop]: Abstraction has 10679 states and 15529 transitions. [2022-11-03 01:50:38,572 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) [2022-11-03 01:50:38,572 INFO L276 IsEmpty]: Start isEmpty. Operand 10679 states and 15529 transitions. [2022-11-03 01:50:38,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-11-03 01:50:38,581 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:50:38,581 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] [2022-11-03 01:50:38,640 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0151bbe-fa57-4089-a63c-0e4900af3372/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2022-11-03 01:50:38,794 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0151bbe-fa57-4089-a63c-0e4900af3372/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 01:50:38,794 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:50:38,794 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:50:38,795 INFO L85 PathProgramCache]: Analyzing trace with hash 49835295, now seen corresponding path program 1 times [2022-11-03 01:50:38,797 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 01:50:38,797 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [48521126] [2022-11-03 01:50:38,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:50:38,797 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 01:50:38,797 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0151bbe-fa57-4089-a63c-0e4900af3372/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 01:50:38,799 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0151bbe-fa57-4089-a63c-0e4900af3372/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 01:50:38,832 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0151bbe-fa57-4089-a63c-0e4900af3372/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2022-11-03 01:50:41,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:50:41,305 INFO L263 TraceCheckSpWp]: Trace formula consists of 2212 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-03 01:50:41,307 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 01:50:43,032 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 01:50:43,032 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 01:50:43,032 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 01:50:43,032 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [48521126] [2022-11-03 01:50:43,033 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [48521126] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:50:43,033 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:50:43,033 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 01:50:43,033 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [347630593] [2022-11-03 01:50:43,034 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:50:43,034 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 01:50:43,034 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 01:50:43,035 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 01:50:43,035 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 01:50:43,035 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) [2022-11-03 01:50:43,997 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:50:43,997 INFO L93 Difference]: Finished difference Result 15954 states and 23202 transitions. [2022-11-03 01:50:43,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 01:50:43,998 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 [2022-11-03 01:50:43,998 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:50:44,074 INFO L225 Difference]: With dead ends: 15954 [2022-11-03 01:50:44,074 INFO L226 Difference]: Without dead ends: 15946 [2022-11-03 01:50:44,084 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 [2022-11-03 01:50:44,085 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 [2022-11-03 01:50:44,085 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] [2022-11-03 01:50:44,101 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15946 states. [2022-11-03 01:50:45,534 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15946 to 15938. [2022-11-03 01:50:45,554 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) [2022-11-03 01:50:45,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15938 states to 15938 states and 23187 transitions. [2022-11-03 01:50:45,625 INFO L78 Accepts]: Start accepts. Automaton has 15938 states and 23187 transitions. Word has length 73 [2022-11-03 01:50:45,625 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:50:45,626 INFO L495 AbstractCegarLoop]: Abstraction has 15938 states and 23187 transitions. [2022-11-03 01:50:45,626 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) [2022-11-03 01:50:45,626 INFO L276 IsEmpty]: Start isEmpty. Operand 15938 states and 23187 transitions. [2022-11-03 01:50:45,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-11-03 01:50:45,640 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:50:45,640 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] [2022-11-03 01:50:45,700 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0151bbe-fa57-4089-a63c-0e4900af3372/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2022-11-03 01:50:45,859 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0151bbe-fa57-4089-a63c-0e4900af3372/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 01:50:45,859 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:50:45,859 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:50:45,859 INFO L85 PathProgramCache]: Analyzing trace with hash -1405702881, now seen corresponding path program 1 times [2022-11-03 01:50:45,861 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 01:50:45,862 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1308319426] [2022-11-03 01:50:45,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:50:45,862 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 01:50:45,862 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0151bbe-fa57-4089-a63c-0e4900af3372/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 01:50:45,864 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0151bbe-fa57-4089-a63c-0e4900af3372/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 01:50:45,906 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0151bbe-fa57-4089-a63c-0e4900af3372/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2022-11-03 01:50:48,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:50:48,603 INFO L263 TraceCheckSpWp]: Trace formula consists of 2264 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-03 01:50:48,605 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 01:50:49,406 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 01:50:49,407 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 01:50:49,407 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 01:50:49,407 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1308319426] [2022-11-03 01:50:49,407 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1308319426] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:50:49,407 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:50:49,407 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 01:50:49,407 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1836450680] [2022-11-03 01:50:49,408 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:50:49,408 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 01:50:49,408 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 01:50:49,409 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 01:50:49,409 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 01:50:49,409 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) [2022-11-03 01:50:50,874 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:50:50,874 INFO L93 Difference]: Finished difference Result 37604 states and 55261 transitions. [2022-11-03 01:50:50,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 01:50:50,874 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 [2022-11-03 01:50:50,875 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:50:51,003 INFO L225 Difference]: With dead ends: 37604 [2022-11-03 01:50:51,003 INFO L226 Difference]: Without dead ends: 21834 [2022-11-03 01:50:51,074 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 [2022-11-03 01:50:51,075 INFO L413 NwaCegarLoop]: 4273 mSDtfsCounter, 1074 mSDsluCounter, 3844 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s 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, 0.2s IncrementalHoareTripleChecker+Time [2022-11-03 01:50:51,075 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1338 Valid, 8117 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-03 01:50:51,097 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21834 states. [2022-11-03 01:50:52,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21834 to 21824. [2022-11-03 01:50:52,823 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) [2022-11-03 01:50:52,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21824 states to 21824 states and 32260 transitions. [2022-11-03 01:50:52,923 INFO L78 Accepts]: Start accepts. Automaton has 21824 states and 32260 transitions. Word has length 77 [2022-11-03 01:50:52,923 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:50:52,923 INFO L495 AbstractCegarLoop]: Abstraction has 21824 states and 32260 transitions. [2022-11-03 01:50:52,923 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) [2022-11-03 01:50:52,924 INFO L276 IsEmpty]: Start isEmpty. Operand 21824 states and 32260 transitions. [2022-11-03 01:50:52,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2022-11-03 01:50:52,946 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:50:52,947 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] [2022-11-03 01:50:53,009 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0151bbe-fa57-4089-a63c-0e4900af3372/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (9)] Ended with exit code 0 [2022-11-03 01:50:53,171 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0151bbe-fa57-4089-a63c-0e4900af3372/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 01:50:53,171 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:50:53,172 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:50:53,172 INFO L85 PathProgramCache]: Analyzing trace with hash -1461524583, now seen corresponding path program 1 times [2022-11-03 01:50:53,174 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 01:50:53,174 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1532692837] [2022-11-03 01:50:53,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:50:53,174 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 01:50:53,174 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0151bbe-fa57-4089-a63c-0e4900af3372/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 01:50:53,179 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0151bbe-fa57-4089-a63c-0e4900af3372/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 01:50:53,221 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0151bbe-fa57-4089-a63c-0e4900af3372/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2022-11-03 01:52:06,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-03 01:52:06,340 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-03 01:52:27,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-03 01:52:28,902 INFO L130 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2022-11-03 01:52:28,903 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-03 01:52:28,905 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-03 01:52:29,000 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0151bbe-fa57-4089-a63c-0e4900af3372/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2022-11-03 01:52:29,127 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0151bbe-fa57-4089-a63c-0e4900af3372/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 01:52:29,131 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:52:29,134 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-03 01:52:29,311 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.11 01:52:29 BoogieIcfgContainer [2022-11-03 01:52:29,312 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-03 01:52:29,312 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-03 01:52:29,313 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-03 01:52:29,313 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-03 01:52:29,313 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 01:50:02" (3/4) ... [2022-11-03 01:52:29,318 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-03 01:52:29,318 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-03 01:52:29,319 INFO L158 Benchmark]: Toolchain (without parser) took 251142.61ms. Allocated memory was 71.3MB in the beginning and 1.9GB in the end (delta: 1.8GB). Free memory was 38.6MB in the beginning and 1.3GB in the end (delta: -1.2GB). Peak memory consumption was 581.1MB. Max. memory is 16.1GB. [2022-11-03 01:52:29,319 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 71.3MB. Free memory is still 53.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-03 01:52:29,319 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4869.35ms. Allocated memory was 71.3MB in the beginning and 348.1MB in the end (delta: 276.8MB). Free memory was 38.3MB in the beginning and 244.0MB in the end (delta: -205.6MB). Peak memory consumption was 129.0MB. Max. memory is 16.1GB. [2022-11-03 01:52:29,320 INFO L158 Benchmark]: Boogie Procedure Inliner took 417.38ms. Allocated memory is still 348.1MB. Free memory was 244.0MB in the beginning and 197.8MB in the end (delta: 46.1MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. [2022-11-03 01:52:29,320 INFO L158 Benchmark]: Boogie Preprocessor took 381.59ms. Allocated memory is still 348.1MB. Free memory was 197.8MB in the beginning and 143.3MB in the end (delta: 54.5MB). Peak memory consumption was 54.5MB. Max. memory is 16.1GB. [2022-11-03 01:52:29,321 INFO L158 Benchmark]: RCFGBuilder took 98756.71ms. Allocated memory was 348.1MB in the beginning and 788.5MB in the end (delta: 440.4MB). Free memory was 143.3MB in the beginning and 420.7MB in the end (delta: -277.4MB). Peak memory consumption was 408.4MB. Max. memory is 16.1GB. [2022-11-03 01:52:29,321 INFO L158 Benchmark]: TraceAbstraction took 146699.02ms. Allocated memory was 788.5MB in the beginning and 1.9GB in the end (delta: 1.1GB). Free memory was 419.6MB in the beginning and 1.3GB in the end (delta: -868.4MB). Peak memory consumption was 245.2MB. Max. memory is 16.1GB. [2022-11-03 01:52:29,322 INFO L158 Benchmark]: Witness Printer took 5.82ms. Allocated memory is still 1.9GB. Free memory is still 1.3GB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-03 01:52:29,324 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 71.3MB. Free memory is still 53.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 4869.35ms. Allocated memory was 71.3MB in the beginning and 348.1MB in the end (delta: 276.8MB). Free memory was 38.3MB in the beginning and 244.0MB in the end (delta: -205.6MB). Peak memory consumption was 129.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 417.38ms. Allocated memory is still 348.1MB. Free memory was 244.0MB in the beginning and 197.8MB in the end (delta: 46.1MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 381.59ms. Allocated memory is still 348.1MB. Free memory was 197.8MB in the beginning and 143.3MB in the end (delta: 54.5MB). Peak memory consumption was 54.5MB. Max. memory is 16.1GB. * RCFGBuilder took 98756.71ms. Allocated memory was 348.1MB in the beginning and 788.5MB in the end (delta: 440.4MB). Free memory was 143.3MB in the beginning and 420.7MB in the end (delta: -277.4MB). Peak memory consumption was 408.4MB. Max. memory is 16.1GB. * TraceAbstraction took 146699.02ms. Allocated memory was 788.5MB in the beginning and 1.9GB in the end (delta: 1.1GB). Free memory was 419.6MB in the beginning and 1.3GB in the end (delta: -868.4MB). Peak memory consumption was 245.2MB. Max. memory is 16.1GB. * Witness Printer took 5.82ms. Allocated memory is still 1.9GB. Free memory is still 1.3GB. 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: [L5747] static char *driver_name = (char *)"SyncLink GT"; [L5748] static char *tty_driver_name = (char *)"synclink_gt"; [L5749] static char *tty_dev_prefix = (char *)"ttySLG"; [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}}; [L5755] struct pci_device_id const __mod_pci_device_table ; [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 ; [L5775] static struct slgt_info *slgt_device_list ; [L5776] static int slgt_device_count ; [L5777] static int ttymajor ; [L5778] static int debug_level ; [L5779] static int maxframe[32U] ; [L5780] static struct tty_driver *serial_driver ; [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}; [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}; [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}; [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}; [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}; [L14221] int LDV_IN_INTERRUPT ; [L14627] int 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:-9223372036854775808}, debug_level=0, default_params={193:0}, driver_name={8:0}, hdlcdev_ops={195:0}, LDV_IN_INTERRUPT=0, ldv_module_refcounter=1, maxframe={192:0}, ops={197:0}, pci_driver={191:0}, pci_registered=0, pci_table={190:0}, serial_driver={0:0}, slgt_device_count=0, slgt_device_list={0:0}, slgt_port_ops={196:0}, synclink_gt_proc_fops={194:0}, 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:-9223372036854775808}, debug_level=0, default_params={193:0}, driver_name={8:0}, hdlcdev_ops={195:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, maxframe={192:0}, ops={197:0}, pci_driver={191:0}, pci_registered=0, pci_table={190:0}, serial_driver={0:0}, slgt_device_count=0, slgt_device_list={0:0}, slgt_port_ops={196:0}, synclink_gt_proc_fops={194:0}, 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:-9223372036854775808}, arg0=null, debug_level=0, default_params={193:0}, driver_name={8:0}, hdlcdev_ops={195:0}, LDV_IN_INTERRUPT=1, ldv_malloc(sizeof(struct tty_driver))={255:0}, ldv_module_refcounter=1, maxframe={192:0}, ops={197:0}, pci_driver={191:0}, pci_registered=0, pci_table={190:0}, serial_driver={0:0}, slgt_device_count=0, slgt_device_list={0:0}, slgt_port_ops={196:0}, synclink_gt_proc_fops={194:0}, 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:-9223372036854775808}, debug_level=0, default_params={193:0}, driver_name={8:0}, hdlcdev_ops={195:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, maxframe={192:0}, ops={197:0}, pci_driver={191:0}, pci_registered=1, pci_table={190:0}, rc=0, serial_driver={255:0}, slgt_device_count=0, slgt_device_list={0:0}, slgt_port_ops={196:0}, synclink_gt_proc_fops={194:0}, 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:-9223372036854775808}, debug_level=0, default_params={193:0}, driver_name={8:0}, hdlcdev_ops={195:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, maxframe={192:0}, ops={197:0}, pci_driver={191:0}, pci_registered=1, pci_table={190:0}, rc=0, serial_driver={255:0}, slgt_device_count=0, slgt_device_list={0:0}, slgt_port_ops={196:0}, synclink_gt_proc_fops={194:0}, 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:-9223372036854775808}, debug_level=0, default_params={193:0}, 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={192:0}, ops={197:0}, pci_driver={191:0}, pci_registered=1, pci_table={190:0}, serial_driver={255:0}, slgt_device_count=0, slgt_device_list={0:0}, slgt_port_ops={196:0}, synclink_gt_proc_fops={194:0}, 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:-9223372036854775808}, debug_level=0, default_params={193:0}, 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={192:0}, ops={197:0}, pci_driver={191:0}, pci_registered=1, pci_table={190:0}, serial_driver={255:0}, slgt_device_count=0, slgt_device_list={0:0}, slgt_port_ops={196:0}, synclink_gt_proc_fops={194:0}, 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:-9223372036854775808}, debug_level=0, default_params={193:0}, 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={192:0}, ops={197:0}, pci_driver={191:0}, pci_registered=1, pci_table={190:0}, serial_driver={255:0}, slgt_device_count=0, slgt_device_list={0:0}, slgt_port_ops={196:0}, synclink_gt_proc_fops={194:0}, 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:-9223372036854775808}, debug_level=0, default_params={193:0}, 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={192:0}, ops={197:0}, pci_driver={191:0}, pci_registered=1, pci_table={190:0}, serial_driver={255:0}, slgt_device_count=0, slgt_device_list={0:0}, slgt_port_ops={196:0}, synclink_gt_proc_fops={194:0}, 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:-9223372036854775808}, debug_level=0, default_params={193:0}, 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={192:0}, ops={197:0}, pci_driver={191:0}, pci_registered=1, pci_table={190:0}, serial_driver={255:0}, slgt_device_count=0, slgt_device_list={0:0}, slgt_port_ops={196:0}, synclink_gt_proc_fops={194:0}, 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:-9223372036854775808}, debug_level=0, default_params={193:0}, dev={0:268566528}, dev={0:268566528}, driver_name={8:0}, hdlcdev_ops={195:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, maxframe={192:0}, ops={197:0}, pci_driver={191:0}, pci_registered=1, pci_table={190:0}, serial_driver={255:0}, slgt_device_count=0, slgt_device_list={0:0}, slgt_port_ops={196:0}, synclink_gt_proc_fops={194:0}, 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:-9223372036854775808}, debug_level=0, default_params={193:0}, driver_name={8:0}, hdlcdev_ops={195:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, maxframe={192:0}, ops={197:0}, pci_driver={191:0}, pci_registered=1, pci_table={190:0}, serial_driver={255:0}, slgt_device_count=0, slgt_device_list={0:0}, slgt_port_ops={196:0}, synclink_gt_proc_fops={194:0}, 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={0:268569088}, __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:-9223372036854775808}, debug_level=0, default_params={193:0}, dev={0:268566528}, dev={0:268566528}, driver_name={8:0}, hdlcdev_ops={195:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, maxframe={192:0}, ops={197:0}, pci_driver={191:0}, pci_registered=1, pci_table={190:0}, serial_driver={255:0}, slgt_device_count=0, slgt_device_list={0:0}, slgt_port_ops={196:0}, synclink_gt_proc_fops={194:0}, 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={0:268569088}, __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:-9223372036854775808}, debug_level=0, default_params={193:0}, dev={0:268566528}, dev={0:268566528}, driver_name={8:0}, hdlcdev_ops={195:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, maxframe={192:0}, ops={197:0}, pci_driver={191:0}, pci_registered=1, pci_table={190:0}, serial_driver={255:0}, slgt_device_count=0, slgt_device_list={0:0}, slgt_port_ops={196:0}, synclink_gt_proc_fops={194:0}, tmp={0:268569088}, 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:-9223372036854775808}, debug_level=0, default_params={193:0}, dev={0:268566528}, dev={0:268566528}, dev_to_hdlc(dev)={0:268569088}, driver_name={8:0}, hdlcdev_ops={195:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, maxframe={192:0}, ops={197:0}, pci_driver={191:0}, pci_registered=1, pci_table={190:0}, serial_driver={255:0}, slgt_device_count=0, slgt_device_list={0:0}, slgt_port_ops={196:0}, synclink_gt_proc_fops={194:0}, 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:-9223372036854775808}, debug_level=0, default_params={193:0}, driver_name={8:0}, hdlcdev_ops={195:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, maxframe={192:0}, module={0:-9223372036854775808}, module={0:-9223372036854775808}, ops={197:0}, pci_driver={191:0}, pci_registered=1, pci_table={190:0}, serial_driver={255:0}, slgt_device_count=0, slgt_device_list={0:0}, slgt_port_ops={196:0}, synclink_gt_proc_fops={194:0}, 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:-9223372036854775808}, debug_level=0, default_params={193:0}, driver_name={8:0}, hdlcdev_ops={195:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, maxframe={192:0}, module={0:-9223372036854775808}, module={0:-9223372036854775808}, module_get_succeeded=1, ops={197:0}, pci_driver={191:0}, pci_registered=1, pci_table={190:0}, serial_driver={255:0}, slgt_device_count=0, slgt_device_list={0:0}, slgt_port_ops={196:0}, synclink_gt_proc_fops={194:0}, 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:-9223372036854775808}, debug_level=0, default_params={193:0}, driver_name={8:0}, hdlcdev_ops={195:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, maxframe={192:0}, module={0:-9223372036854775808}, module={0:-9223372036854775808}, ops={197:0}, pci_driver={191:0}, pci_registered=1, pci_table={190:0}, serial_driver={255:0}, slgt_device_count=0, slgt_device_list={0:0}, slgt_port_ops={196:0}, synclink_gt_proc_fops={194:0}, 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:-9223372036854775808}, debug_level=0, default_params={193:0}, dev={0:268566528}, dev={0:268566528}, driver_name={8:0}, hdlcdev_ops={195:0}, info={8:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, maxframe={192:0}, ops={197:0}, pci_driver={191:0}, pci_registered=1, pci_table={190:0}, serial_driver={255:0}, slgt_device_count=0, slgt_device_list={0:0}, slgt_port_ops={196:0}, synclink_gt_proc_fops={194:0}, tmp={0:268569088}, 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:-9223372036854775808}, debug_level=0, default_params={193:0}, dev={0:268566528}, dev={0:268566528}, driver_name={8:0}, hdlcdev_ops={195:0}, info={8:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, maxframe={192:0}, ops={197:0}, pci_driver={191:0}, pci_registered=1, pci_table={190:0}, serial_driver={255:0}, slgt_device_count=0, slgt_device_list={0:0}, slgt_port_ops={196:0}, synclink_gt_proc_fops={194:0}, tmp={0:268569088}, 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:-9223372036854775808}, debug_level=0, default_params={193:0}, dev={0:268566528}, dev={0:268566528}, driver_name={8:0}, hdlcdev_ops={195:0}, info={8:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, maxframe={192:0}, ops={197:0}, pci_driver={191:0}, pci_registered=1, pci_table={190:0}, rc=2147483648, serial_driver={255:0}, slgt_device_count=0, slgt_device_list={0:0}, slgt_port_ops={196:0}, synclink_gt_proc_fops={194:0}, tmp={0:268569088}, 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:-9223372036854775808}, debug_level=0, default_params={193:0}, 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={192:0}, ops={197:0}, pci_driver={191:0}, pci_registered=1, pci_table={190:0}, res_hdlcdev_open_33=2147483648, serial_driver={255:0}, slgt_device_count=0, slgt_device_list={0:0}, slgt_port_ops={196:0}, synclink_gt_proc_fops={194:0}, 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={0:268566528}] [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:-9223372036854775808}, debug_level=0, default_params={193:0}, 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={192:0}, ops={197:0}, pci_driver={191:0}, pci_registered=1, pci_table={190:0}, res_hdlcdev_open_33=2147483648, serial_driver={255:0}, slgt_device_count=0, slgt_device_list={0:0}, slgt_port_ops={196:0}, synclink_gt_proc_fops={194:0}, 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={0:268566528}] [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:-9223372036854775808}, debug_level=0, default_params={193:0}, driver_name={8:0}, hdlcdev_ops={195:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, maxframe={192:0}, ops={197:0}, pci_driver={191:0}, pci_registered=1, pci_table={190:0}, serial_driver={255:0}, slgt_device_count=0, slgt_device_list={0:0}, slgt_port_ops={196:0}, synclink_gt_proc_fops={194:0}, 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:-9223372036854775808}, debug_level=0, default_params={193:0}, driver_name={8:0}, hdlcdev_ops={195:0}, info={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, maxframe={192:0}, ops={197:0}, pci_driver={191:0}, pci_registered=1, pci_table={190:0}, serial_driver={255:0}, slgt_device_count=0, slgt_device_list={0:0}, slgt_port_ops={196:0}, synclink_gt_proc_fops={194:0}, 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:-9223372036854775808}, debug_level=0, default_params={193:0}, driver_name={8:0}, hdlcdev_ops={195:0}, info={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, maxframe={192:0}, ops={197:0}, pci_driver={191:0}, pci_registered=1, pci_table={190:0}, serial_driver={255:0}, slgt_device_count=0, slgt_device_list={0:0}, slgt_port_ops={196:0}, synclink_gt_proc_fops={194:0}, 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:-9223372036854775808}, debug_level=0, default_params={193:0}, driver_name={8:0}, hdlcdev_ops={195:0}, info={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, maxframe={192:0}, ops={197:0}, pci_driver={191:0}, pci_registered=1, pci_table={190:0}, rc=0, serial_driver={255:0}, slgt_device_count=0, slgt_device_list={0:0}, slgt_port_ops={196:0}, synclink_gt_proc_fops={194:0}, 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:-9223372036854775808}, debug_level=0, default_params={193:0}, driver_name={8:0}, hdlcdev_ops={195:0}, info={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, maxframe={192:0}, ops={197:0}, pci_driver={191:0}, pci_registered=1, pci_table={190:0}, rc=0, serial_driver={255:0}, slgt_device_count=0, slgt_device_list={0:0}, slgt_port_ops={196:0}, synclink_gt_proc_fops={194:0}, 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:-9223372036854775808}, debug_level=0, default_params={193:0}, driver_name={8:0}, hdlcdev_ops={195:0}, info={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, maxframe={192:0}, ops={197:0}, pci_driver={191:0}, pci_registered=1, pci_table={190:0}, rc=0, serial_driver={255:0}, slgt_device_count=0, slgt_device_list={0:0}, slgt_port_ops={196:0}, synclink_gt_proc_fops={194:0}, 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:-9223372036854775808}, debug_level=0, default_params={193:0}, driver_name={8:0}, hdlcdev_ops={195:0}, info={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, maxframe={192:0}, ops={197:0}, pci_driver={191:0}, pci_registered=1, pci_table={190:0}, rc=0, serial_driver={255:0}, slgt_device_count=0, slgt_device_list={0:0}, slgt_port_ops={196:0}, synclink_gt_proc_fops={194:0}, 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:-9223372036854775808}, debug_level=0, default_params={193:0}, driver_name={8:0}, hdlcdev_ops={195:0}, info={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, maxframe={192:0}, ops={197:0}, pci_driver={191:0}, pci_registered=1, pci_table={190:0}, rc=0, serial_driver={255:0}, slgt_device_count=0, slgt_device_list={0:0}, slgt_port_ops={196:0}, synclink_gt_proc_fops={194:0}, 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:-9223372036854775808}, debug_level=0, default_params={193:0}, driver_name={8:0}, hdlcdev_ops={195:0}, info={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, maxframe={192:0}, ops={197:0}, pci_driver={191:0}, pci_registered=1, pci_table={190:0}, rc=0, serial_driver={255:0}, slgt_device_count=0, slgt_device_list={0:0}, slgt_port_ops={196:0}, synclink_gt_proc_fops={194:0}, 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:-9223372036854775808}, debug_level=0, default_params={193:0}, driver_name={8:0}, hdlcdev_ops={195:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, maxframe={192:0}, ops={197:0}, pci_driver={191:0}, pci_registered=1, pci_table={190:0}, serial_driver={255:0}, slgt_device_count=0, slgt_device_list={0:0}, slgt_port_ops={196:0}, synclink_gt_proc_fops={194:0}, 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:-9223372036854775808}, debug_level=0, default_params={193:0}, driver_name={8:0}, hdlcdev_ops={195:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, maxframe={192:0}, ops={197:0}, pci_driver={191:0}, pci_registered=1, pci_table={190:0}, serial_driver={255:0}, slgt_device_count=0, slgt_device_list={0:0}, slgt_port_ops={196:0}, synclink_gt_proc_fops={194:0}, 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:-9223372036854775808}, debug_level=0, default_params={193:0}, driver_name={8:0}, hdlcdev_ops={195:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, maxframe={192:0}, ops={197:0}, pci_driver={191:0}, pci_registered=1, pci_table={190:0}, serial_driver={255:0}, slgt_device_count=0, slgt_device_list={0:0}, slgt_port_ops={196:0}, synclink_gt_proc_fops={194:0}, 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:-9223372036854775808}, debug_level=0, default_params={193:0}, driver_name={8:0}, hdlcdev_ops={195:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, maxframe={192:0}, ops={197:0}, pci_driver={191:0}, pci_registered=1, pci_table={190:0}, serial_driver={255:0}, slgt_device_count=0, slgt_device_list={0:0}, slgt_port_ops={196:0}, synclink_gt_proc_fops={194:0}, 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: 146.4s, OverallIterations: 9, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.2s, AutomataDifference: 15.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 1 mSolverCounterUnknown, 24356 SdHoareTripleChecker+Valid, 7.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 24086 mSDsluCounter, 104739 SdHoareTripleChecker+Invalid, 7.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 63665 mSDsCounter, 910 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 181 IncrementalHoareTripleChecker+Invalid, 1092 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 910 mSolverCounterUnsat, 41074 mSDtfsCounter, 181 mSolverCounterSat, 0.3s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 473 GetRequests, 453 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 2.7s 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: 7.7s AutomataMinimizationTime, 8 MinimizatonAttempts, 2145 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.8s SsaConstructionTime, 80.9s SatisfiabilityAnalysisTime, 8.8s InterpolantComputationTime, 547 NumberOfCodeBlocks, 547 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 465 ConstructedInterpolants, 0 QuantifiedInterpolants, 969 SizeOfPredicates, 9 NumberOfNonLiveVariables, 15574 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 [2022-11-03 01:52:29,549 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0151bbe-fa57-4089-a63c-0e4900af3372/bin/utaipan-7li7fVZpFI/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